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e0edde6f | 1 | /* Copyright (c) 2008, 2009, 2010, 2011, 2012 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" | |
18 | #include <assert.h> | |
19 | #include <errno.h> | |
064af421 | 20 | #include <inttypes.h> |
064af421 | 21 | #include <stdlib.h> |
064af421 | 22 | #include "bitmap.h" |
f620b43a | 23 | #include "bond.h" |
b31bcf60 | 24 | #include "cfm.h" |
064af421 | 25 | #include "coverage.h" |
a7ff9bd7 | 26 | #include "daemon.h" |
064af421 | 27 | #include "dirs.h" |
064af421 | 28 | #include "dynamic-string.h" |
064af421 | 29 | #include "hash.h" |
d9a8717a | 30 | #include "hmap.h" |
f145afdc | 31 | #include "hmapx.h" |
cd11000b | 32 | #include "jsonrpc.h" |
6aa74308 | 33 | #include "lacp.h" |
064af421 | 34 | #include "list.h" |
e764773c | 35 | #include "mac-learning.h" |
254750ce | 36 | #include "meta-flow.h" |
064af421 | 37 | #include "netdev.h" |
064af421 BP |
38 | #include "ofp-print.h" |
39 | #include "ofpbuf.h" | |
8cd4882f | 40 | #include "ofproto/ofproto.h" |
064af421 | 41 | #include "poll-loop.h" |
76343538 | 42 | #include "sha1.h" |
6c88d577 | 43 | #include "shash.h" |
79f1cbe9 | 44 | #include "smap.h" |
064af421 | 45 | #include "socket-util.h" |
5bd31620 | 46 | #include "stream.h" |
fe55ad15 | 47 | #include "stream-ssl.h" |
b3c01ed3 | 48 | #include "sset.h" |
ce887677 | 49 | #include "system-stats.h" |
064af421 BP |
50 | #include "timeval.h" |
51 | #include "util.h" | |
da285df4 | 52 | #include "unixctl.h" |
52a90c29 | 53 | #include "vlandev.h" |
eaa67ba8 | 54 | #include "lib/vswitch-idl.h" |
064af421 | 55 | #include "xenserver.h" |
5136ce49 | 56 | #include "vlog.h" |
72b06300 | 57 | #include "sflow_api.h" |
0fb7b915 | 58 | #include "vlan-bitmap.h" |
064af421 | 59 | |
d98e6007 | 60 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 61 | |
d76f09ea BP |
62 | COVERAGE_DEFINE(bridge_reconfigure); |
63 | ||
bae7208e EJ |
64 | /* Configuration of an uninstantiated iface. */ |
65 | struct if_cfg { | |
66 | struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */ | |
67 | const struct ovsrec_interface *cfg; /* Interface record. */ | |
68 | const struct ovsrec_port *parent; /* Parent port record. */ | |
81816a5f | 69 | int64_t ofport; /* Requested OpenFlow port number. */ |
bae7208e EJ |
70 | }; |
71 | ||
72 | /* OpenFlow port slated for removal from ofproto. */ | |
73 | struct ofpp_garbage { | |
74 | struct list list_node; /* Node in bridge's ofpp_garbage. */ | |
75 | uint16_t ofp_port; /* Port to be deleted. */ | |
76 | }; | |
77 | ||
064af421 | 78 | struct iface { |
0c6aea3f | 79 | /* These members are always valid. */ |
83db7968 | 80 | struct list port_elem; /* Element in struct port's "ifaces" list. */ |
ebea37cc | 81 | struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */ |
064af421 | 82 | struct port *port; /* Containing port. */ |
064af421 | 83 | char *name; /* Host network device name. */ |
064af421 | 84 | |
0c6aea3f | 85 | /* These members are valid only after bridge_reconfigure() causes them to |
1e0b752d | 86 | * be initialized. */ |
892815f5 BP |
87 | struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */ |
88 | int ofp_port; /* OpenFlow port number, -1 if unknown. */ | |
0c6aea3f | 89 | struct netdev *netdev; /* Network device. */ |
6cefe1da | 90 | const char *type; /* Usually same as cfg->type. */ |
76343538 | 91 | const struct ovsrec_interface *cfg; |
064af421 BP |
92 | }; |
93 | ||
064af421 | 94 | struct mirror { |
fa066f01 BP |
95 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
96 | struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */ | |
064af421 | 97 | struct bridge *bridge; |
064af421 | 98 | char *name; |
9d24de3b | 99 | const struct ovsrec_mirror *cfg; |
064af421 BP |
100 | }; |
101 | ||
064af421 | 102 | struct port { |
8052fb14 | 103 | struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */ |
6e492d81 | 104 | struct bridge *bridge; |
8052fb14 BP |
105 | char *name; |
106 | ||
1e0b752d | 107 | const struct ovsrec_port *cfg; |
064af421 BP |
108 | |
109 | /* An ordinary bridge port has 1 interface. | |
110 | * A bridge port for bonding has at least 2 interfaces. */ | |
83db7968 | 111 | struct list ifaces; /* List of "struct iface"s. */ |
064af421 BP |
112 | }; |
113 | ||
064af421 | 114 | struct bridge { |
764072fd | 115 | struct hmap_node node; /* In 'all_bridges'. */ |
064af421 | 116 | char *name; /* User-specified arbitrary name. */ |
66da9bef | 117 | char *type; /* Datapath type. */ |
abe457eb | 118 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 119 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 120 | const struct ovsrec_bridge *cfg; |
064af421 | 121 | |
064af421 BP |
122 | /* OpenFlow switch processing. */ |
123 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
124 | ||
064af421 | 125 | /* Bridge ports. */ |
8052fb14 | 126 | struct hmap ports; /* "struct port"s indexed by name. */ |
892815f5 | 127 | struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */ |
ebea37cc | 128 | struct hmap iface_by_name; /* "struct iface"s indexed by name. */ |
064af421 | 129 | |
bae7208e EJ |
130 | struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */ |
131 | struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation. | |
132 | Indexed on 'cfg->name'. */ | |
133 | ||
064af421 | 134 | /* Port mirroring. */ |
fa066f01 | 135 | struct hmap mirrors; /* "struct mirror" indexed by UUID. */ |
cfea354b BP |
136 | |
137 | /* Synthetic local port if necessary. */ | |
138 | struct ovsrec_port synth_local_port; | |
139 | struct ovsrec_interface synth_local_iface; | |
140 | struct ovsrec_interface *synth_local_ifacep; | |
064af421 BP |
141 | }; |
142 | ||
764072fd BP |
143 | /* All bridges, indexed by name. */ |
144 | static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); | |
064af421 | 145 | |
c5187f17 BP |
146 | /* OVSDB IDL used to obtain configuration. */ |
147 | static struct ovsdb_idl *idl; | |
148 | ||
854a94d9 BP |
149 | /* Most recently processed IDL sequence number. */ |
150 | static unsigned int idl_seqno; | |
151 | ||
35a22d8c | 152 | /* Each time this timer expires, the bridge fetches interface and mirror |
cd0cd65f | 153 | * statistics and pushes them into the database. */ |
35a22d8c BP |
154 | #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */ |
155 | static long long int iface_stats_timer = LLONG_MIN; | |
018f1525 | 156 | |
c7e7bb21 EJ |
157 | /* In some datapaths, creating and destroying OpenFlow ports can be extremely |
158 | * expensive. This can cause bridge_reconfigure() to take a long time during | |
159 | * which no other work can be done. To deal with this problem, we limit port | |
160 | * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per | |
161 | * call to bridge_reconfigure(). If there is more work to do after the limit | |
162 | * is reached, 'need_reconfigure', is flagged and it's done on the next loop. | |
163 | * This allows the rest of the code to catch up on important things like | |
164 | * forwarding packets. */ | |
165 | #define OFP_PORT_ACTION_WINDOW 10 | |
bae7208e | 166 | static bool reconfiguring = false; |
c7e7bb21 | 167 | |
66da9bef | 168 | static void add_del_bridges(const struct ovsrec_open_vswitch *); |
bae7208e | 169 | static void bridge_update_ofprotos(void); |
66da9bef | 170 | static void bridge_create(const struct ovsrec_bridge *); |
064af421 BP |
171 | static void bridge_destroy(struct bridge *); |
172 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 173 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 174 | static unixctl_cb_func bridge_unixctl_reconnect; |
1a048029 | 175 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 176 | struct ovsrec_controller ***controllersp); |
52a90c29 BP |
177 | static void bridge_add_del_ports(struct bridge *, |
178 | const unsigned long int *splinter_vlans); | |
892815f5 | 179 | static void bridge_refresh_ofp_port(struct bridge *); |
6f90b8f4 | 180 | static void bridge_configure_datapath_id(struct bridge *); |
084f5290 | 181 | static void bridge_configure_flow_eviction_threshold(struct bridge *); |
6f90b8f4 | 182 | static void bridge_configure_netflow(struct bridge *); |
8402c74b | 183 | static void bridge_configure_forward_bpdu(struct bridge *); |
e764773c | 184 | static void bridge_configure_mac_idle_time(struct bridge *); |
6f90b8f4 | 185 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); |
21f7563c | 186 | static void bridge_configure_stp(struct bridge *); |
254750ce | 187 | static void bridge_configure_tables(struct bridge *); |
fa066f01 BP |
188 | static void bridge_configure_remotes(struct bridge *, |
189 | const struct sockaddr_in *managers, | |
190 | size_t n_managers); | |
064af421 BP |
191 | static void bridge_pick_local_hw_addr(struct bridge *, |
192 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 193 | struct iface **hw_addr_iface); |
064af421 BP |
194 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
195 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 196 | struct iface *hw_addr_iface); |
bae7208e EJ |
197 | static void bridge_queue_if_cfg(struct bridge *, |
198 | const struct ovsrec_interface *, | |
199 | const struct ovsrec_port *); | |
064af421 | 200 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
201 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
202 | const char *name); | |
203 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 204 | |
e8fe3026 | 205 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 206 | |
66da9bef | 207 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
66da9bef | 208 | static void port_del_ifaces(struct port *); |
064af421 BP |
209 | static void port_destroy(struct port *); |
210 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
211 | static void port_configure(struct port *); |
212 | static struct lacp_settings *port_configure_lacp(struct port *, | |
213 | struct lacp_settings *); | |
76ed83fc BP |
214 | static void port_configure_bond(struct port *, struct bond_settings *, |
215 | uint32_t *bond_stable_ids); | |
06b592bc | 216 | static bool port_is_synthetic(const struct port *); |
fa066f01 | 217 | |
35a22d8c BP |
218 | static void reconfigure_system_stats(const struct ovsrec_open_vswitch *); |
219 | static void run_system_stats(void); | |
220 | ||
fa066f01 BP |
221 | static void bridge_configure_mirrors(struct bridge *); |
222 | static struct mirror *mirror_create(struct bridge *, | |
223 | const struct ovsrec_mirror *); | |
064af421 | 224 | static void mirror_destroy(struct mirror *); |
9d24de3b JP |
225 | static bool mirror_configure(struct mirror *); |
226 | static void mirror_refresh_stats(struct mirror *); | |
064af421 | 227 | |
fa066f01 | 228 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
01546f5d | 229 | static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port); |
b54441b3 BP |
230 | static const char *iface_get_type(const struct ovsrec_interface *, |
231 | const struct ovsrec_bridge *); | |
064af421 BP |
232 | static void iface_destroy(struct iface *); |
233 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 234 | static struct iface *iface_find(const char *name); |
bae7208e | 235 | static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name); |
892815f5 BP |
236 | static struct iface *iface_from_ofp_port(const struct bridge *, |
237 | uint16_t ofp_port); | |
52df17e7 | 238 | static void iface_set_mac(struct iface *); |
bcd49a45 | 239 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
3fc5a86a | 240 | static void iface_clear_db_record(const struct ovsrec_interface *if_cfg); |
66da9bef BP |
241 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
242 | static void iface_configure_cfm(struct iface *); | |
8f3fe844 | 243 | static void iface_refresh_cfm_stats(struct iface *); |
1101a0b4 AE |
244 | static void iface_refresh_stats(struct iface *); |
245 | static void iface_refresh_status(struct iface *); | |
cfea354b | 246 | static bool iface_is_synthetic(const struct iface *); |
52a90c29 BP |
247 | |
248 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
249 | * | |
250 | * This is deprecated. It is only for compatibility with broken device drivers | |
251 | * in old versions of Linux that do not properly support VLANs when VLAN | |
252 | * devices are not used. When broken device drivers are no longer in | |
253 | * widespread use, we will delete these interfaces. */ | |
254 | ||
255 | /* True if VLAN splinters are enabled on any interface, false otherwise.*/ | |
256 | static bool vlan_splinters_enabled_anywhere; | |
257 | ||
258 | static bool vlan_splinters_is_enabled(const struct ovsrec_interface *); | |
259 | static unsigned long int *collect_splinter_vlans( | |
260 | const struct ovsrec_open_vswitch *); | |
261 | static void configure_splinter_port(struct port *); | |
262 | static void add_vlan_splinter_ports(struct bridge *, | |
263 | const unsigned long int *splinter_vlans, | |
264 | struct shash *ports); | |
b0408fca JP |
265 | |
266 | static void | |
267 | bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg) | |
268 | { | |
269 | struct shash iface_hints; | |
270 | static bool initialized = false; | |
271 | int i; | |
272 | ||
273 | if (initialized) { | |
274 | return; | |
275 | } | |
276 | ||
277 | shash_init(&iface_hints); | |
278 | ||
279 | for (i = 0; i < cfg->n_bridges; i++) { | |
280 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
281 | int j; | |
282 | ||
283 | for (j = 0; j < br_cfg->n_ports; j++) { | |
284 | struct ovsrec_port *port_cfg = br_cfg->ports[j]; | |
285 | int k; | |
286 | ||
287 | for (k = 0; k < port_cfg->n_interfaces; k++) { | |
288 | struct ovsrec_interface *if_cfg = port_cfg->interfaces[k]; | |
289 | struct iface_hint *iface_hint; | |
290 | ||
291 | iface_hint = xmalloc(sizeof *iface_hint); | |
292 | iface_hint->br_name = br_cfg->name; | |
293 | iface_hint->br_type = br_cfg->datapath_type; | |
294 | iface_hint->ofp_port = if_cfg->n_ofport_request ? | |
295 | *if_cfg->ofport_request : OFPP_NONE; | |
296 | ||
297 | shash_add(&iface_hints, if_cfg->name, iface_hint); | |
298 | } | |
299 | } | |
300 | } | |
301 | ||
302 | ofproto_init(&iface_hints); | |
303 | ||
304 | shash_destroy_free_data(&iface_hints); | |
305 | initialized = true; | |
306 | } | |
064af421 BP |
307 | \f |
308 | /* Public functions. */ | |
309 | ||
c5187f17 BP |
310 | /* Initializes the bridge module, configuring it to obtain its configuration |
311 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
312 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 313 | void |
c5187f17 BP |
314 | bridge_init(const char *remote) |
315 | { | |
316 | /* Create connection to database. */ | |
ef73f86c | 317 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
854a94d9 | 318 | idl_seqno = ovsdb_idl_get_seqno(idl); |
06b6d651 | 319 | ovsdb_idl_set_lock(idl, "ovs_vswitchd"); |
8cdec725 | 320 | ovsdb_idl_verify_write_only(idl); |
c5187f17 | 321 | |
ef73f86c BP |
322 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
323 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 324 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
325 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
326 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
327 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
328 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 329 | |
62f3aaed | 330 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
21f7563c | 331 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status); |
e85bbd75 BP |
332 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
333 | ||
21f7563c | 334 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status); |
80740385 | 335 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics); |
e85bbd75 BP |
336 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); |
337 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
338 | ||
62f3aaed BP |
339 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
340 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
341 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
342 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
65c3058c | 343 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets); |
62f3aaed | 344 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); |
ef73f86c BP |
345 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
346 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 347 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
b4117094 | 348 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault); |
b9380396 | 349 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status); |
1de11730 | 350 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids); |
3967a833 | 351 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health); |
4104aaf1 | 352 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate); |
b4117094 | 353 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current); |
e85bbd75 BP |
354 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
355 | ||
62f3aaed BP |
356 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
357 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
358 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
359 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
360 | ||
62f3aaed BP |
361 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); |
362 | ||
363 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
364 | ||
365 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
9d24de3b | 366 | ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics); |
62f3aaed BP |
367 | |
368 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
369 | ||
370 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
371 | ||
372 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
373 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
374 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
375 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
376 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
377 | ||
378 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
379 | ||
c5187f17 | 380 | /* Register unixctl commands. */ |
0e15264f BP |
381 | unixctl_command_register("qos/show", "interface", 1, 1, |
382 | qos_unixctl_show, NULL); | |
383 | unixctl_command_register("bridge/dump-flows", "bridge", 1, 1, | |
7ff2009a | 384 | bridge_unixctl_dump_flows, NULL); |
0e15264f | 385 | unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1, |
7ff2009a | 386 | bridge_unixctl_reconnect, NULL); |
5827ce14 | 387 | lacp_init(); |
c5187f17 | 388 | bond_init(); |
9ac3fce4 | 389 | cfm_init(); |
fe4a02e4 | 390 | stp_init(); |
c5187f17 BP |
391 | } |
392 | ||
ee45ad81 BP |
393 | void |
394 | bridge_exit(void) | |
395 | { | |
396 | struct bridge *br, *next_br; | |
397 | ||
764072fd | 398 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
399 | bridge_destroy(br); |
400 | } | |
401 | ovsdb_idl_destroy(idl); | |
402 | } | |
403 | ||
cd11000b BP |
404 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
405 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
406 | * responsible for freeing '*managersp' (with free()). | |
407 | * | |
408 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
409 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
410 | * should not be and in fact is not directly involved in that. But | |
411 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
412 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 413 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
414 | */ |
415 | static void | |
94db5407 BP |
416 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
417 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
418 | { |
419 | struct sockaddr_in *managers = NULL; | |
420 | size_t n_managers = 0; | |
b3c01ed3 | 421 | struct sset targets; |
94db5407 BP |
422 | size_t i; |
423 | ||
289df16d AE |
424 | /* Collect all of the potential targets from the "targets" columns of the |
425 | * rows pointed to by "manager_options", excluding any that are | |
426 | * out-of-band. */ | |
b3c01ed3 | 427 | sset_init(&targets); |
94db5407 BP |
428 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
429 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
430 | ||
431 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 432 | sset_find_and_delete(&targets, m->target); |
94db5407 | 433 | } else { |
b3c01ed3 | 434 | sset_add(&targets, m->target); |
94db5407 BP |
435 | } |
436 | } | |
cd11000b | 437 | |
94db5407 | 438 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
439 | if (!sset_is_empty(&targets)) { |
440 | const char *target; | |
cd11000b | 441 | |
b3c01ed3 BP |
442 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
443 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 444 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 445 | |
ac4c900d AA |
446 | if (stream_parse_target_with_default_ports(target, |
447 | JSONRPC_TCP_PORT, | |
448 | JSONRPC_SSL_PORT, | |
449 | sin)) { | |
cd11000b BP |
450 | n_managers++; |
451 | } | |
452 | } | |
453 | } | |
b3c01ed3 | 454 | sset_destroy(&targets); |
cd11000b BP |
455 | |
456 | *managersp = managers; | |
457 | *n_managersp = n_managers; | |
458 | } | |
459 | ||
c5187f17 | 460 | static void |
76343538 | 461 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 462 | { |
52a90c29 | 463 | unsigned long int *splinter_vlans; |
bae7208e | 464 | struct bridge *br; |
064af421 BP |
465 | |
466 | COVERAGE_INC(bridge_reconfigure); | |
467 | ||
bae7208e EJ |
468 | assert(!reconfiguring); |
469 | reconfiguring = true; | |
c7e7bb21 | 470 | |
bae7208e EJ |
471 | /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according |
472 | * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal | |
473 | * configuration otherwise. | |
66da9bef | 474 | * |
bae7208e EJ |
475 | * This is mostly an update to bridge data structures. Nothing is pushed |
476 | * down to ofproto or lower layers. */ | |
66da9bef | 477 | add_del_bridges(ovs_cfg); |
52a90c29 | 478 | splinter_vlans = collect_splinter_vlans(ovs_cfg); |
764072fd | 479 | HMAP_FOR_EACH (br, node, &all_bridges) { |
52a90c29 | 480 | bridge_add_del_ports(br, splinter_vlans); |
76343538 | 481 | } |
52a90c29 | 482 | free(splinter_vlans); |
064af421 | 483 | |
bae7208e EJ |
484 | /* Delete datapaths that are no longer configured, and create ones which |
485 | * don't exist but should. */ | |
486 | bridge_update_ofprotos(); | |
487 | ||
488 | /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */ | |
764072fd | 489 | HMAP_FOR_EACH (br, node, &all_bridges) { |
bae7208e EJ |
490 | bridge_refresh_ofp_port(br); |
491 | } | |
492 | ||
493 | /* Clear database records for "if_cfg"s which haven't been instantiated. */ | |
494 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
495 | struct if_cfg *if_cfg; | |
496 | ||
497 | HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) { | |
498 | iface_clear_db_record(if_cfg->cfg); | |
76343538 | 499 | } |
064af421 | 500 | } |
35a22d8c BP |
501 | |
502 | reconfigure_system_stats(ovs_cfg); | |
bae7208e | 503 | } |
064af421 | 504 | |
bae7208e EJ |
505 | static bool |
506 | bridge_reconfigure_ofp(void) | |
507 | { | |
508 | long long int deadline; | |
509 | struct bridge *br; | |
510 | ||
511 | time_refresh(); | |
512 | deadline = time_msec() + OFP_PORT_ACTION_WINDOW; | |
513 | ||
514 | /* The kernel will reject any attempt to add a given port to a datapath if | |
515 | * that port already belongs to a different datapath, so we must do all | |
516 | * port deletions before any port additions. */ | |
517 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
518 | struct ofpp_garbage *garbage, *next; | |
519 | ||
520 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) { | |
6b803ddc EJ |
521 | /* It's a bit dangerous to call bridge_run_fast() here as ofproto's |
522 | * internal datastructures may not be consistent. Eventually, when | |
523 | * port additions and deletions are cheaper, these calls should be | |
524 | * removed. */ | |
525 | bridge_run_fast(); | |
bae7208e EJ |
526 | ofproto_port_del(br->ofproto, garbage->ofp_port); |
527 | list_remove(&garbage->list_node); | |
528 | free(garbage); | |
529 | ||
530 | time_refresh(); | |
531 | if (time_msec() >= deadline) { | |
532 | return false; | |
e56365a5 | 533 | } |
6b803ddc | 534 | bridge_run_fast(); |
064af421 BP |
535 | } |
536 | } | |
bae7208e | 537 | |
e8192d80 | 538 | HMAP_FOR_EACH (br, node, &all_bridges) { |
bae7208e EJ |
539 | struct if_cfg *if_cfg, *next; |
540 | ||
541 | HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) { | |
542 | iface_create(br, if_cfg, -1); | |
543 | time_refresh(); | |
544 | if (time_msec() >= deadline) { | |
545 | return false; | |
546 | } | |
547 | } | |
064af421 | 548 | } |
064af421 | 549 | |
bae7208e EJ |
550 | return true; |
551 | } | |
552 | ||
553 | static bool | |
554 | bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg) | |
555 | { | |
556 | struct sockaddr_in *managers; | |
557 | int sflow_bridge_number; | |
558 | size_t n_managers; | |
559 | struct bridge *br; | |
560 | bool done; | |
561 | ||
562 | assert(reconfiguring); | |
563 | done = bridge_reconfigure_ofp(); | |
564 | ||
66da9bef BP |
565 | /* Complete the configuration. */ |
566 | sflow_bridge_number = 0; | |
567 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 568 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 569 | struct port *port; |
064af421 | 570 | |
f145afdc BP |
571 | /* We need the datapath ID early to allow LACP ports to use it as the |
572 | * default system ID. */ | |
573 | bridge_configure_datapath_id(br); | |
574 | ||
8052fb14 | 575 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 576 | struct iface *iface; |
52df17e7 | 577 | |
fa066f01 | 578 | port_configure(port); |
c1c9c9c4 | 579 | |
48e1b7fb | 580 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
66da9bef BP |
581 | iface_configure_cfm(iface); |
582 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 583 | iface_set_mac(iface); |
064af421 BP |
584 | } |
585 | } | |
fa066f01 | 586 | bridge_configure_mirrors(br); |
084f5290 | 587 | bridge_configure_flow_eviction_threshold(br); |
8402c74b | 588 | bridge_configure_forward_bpdu(br); |
e764773c | 589 | bridge_configure_mac_idle_time(br); |
fa066f01 | 590 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
591 | bridge_configure_netflow(br); |
592 | bridge_configure_sflow(br, &sflow_bridge_number); | |
21f7563c | 593 | bridge_configure_stp(br); |
254750ce | 594 | bridge_configure_tables(br); |
064af421 | 595 | } |
66da9bef | 596 | free(managers); |
064af421 | 597 | |
bae7208e | 598 | if (done) { |
c7e7bb21 EJ |
599 | /* ovs-vswitchd has completed initialization, so allow the process that |
600 | * forked us to exit successfully. */ | |
601 | daemonize_complete(); | |
bae7208e | 602 | reconfiguring = false; |
9dbc190c EJ |
603 | |
604 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
c7e7bb21 | 605 | } |
bae7208e EJ |
606 | |
607 | return done; | |
66da9bef | 608 | } |
064af421 | 609 | |
bae7208e EJ |
610 | /* Delete ofprotos which aren't configured or have the wrong type. Create |
611 | * ofprotos which don't exist but need to. */ | |
66da9bef | 612 | static void |
bae7208e | 613 | bridge_update_ofprotos(void) |
66da9bef | 614 | { |
bae7208e | 615 | struct bridge *br, *next; |
f79e673f BP |
616 | struct sset names; |
617 | struct sset types; | |
66da9bef | 618 | const char *type; |
6c88d577 | 619 | |
bae7208e | 620 | /* Delete ofprotos with no bridge or with the wrong type. */ |
f79e673f BP |
621 | sset_init(&names); |
622 | sset_init(&types); | |
623 | ofproto_enumerate_types(&types); | |
624 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 625 | const char *name; |
3a6ccc8c | 626 | |
f79e673f BP |
627 | ofproto_enumerate_names(type, &names); |
628 | SSET_FOR_EACH (name, &names) { | |
bae7208e | 629 | br = bridge_lookup(name); |
66da9bef | 630 | if (!br || strcmp(type, br->type)) { |
f79e673f | 631 | ofproto_delete(name, type); |
3a6ccc8c | 632 | } |
b31bcf60 EJ |
633 | } |
634 | } | |
f79e673f BP |
635 | sset_destroy(&names); |
636 | sset_destroy(&types); | |
76343538 | 637 | |
bae7208e EJ |
638 | /* Add ofprotos for bridges which don't have one yet. */ |
639 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
640 | struct bridge *br2; | |
641 | int error; | |
642 | ||
643 | if (br->ofproto) { | |
644 | continue; | |
645 | } | |
646 | ||
647 | /* Remove ports from any datapath with the same name as 'br'. If we | |
648 | * don't do this, creating 'br''s ofproto will fail because a port with | |
649 | * the same name as its local port already exists. */ | |
650 | HMAP_FOR_EACH (br2, node, &all_bridges) { | |
651 | struct ofproto_port ofproto_port; | |
652 | ||
653 | if (!br2->ofproto) { | |
654 | continue; | |
655 | } | |
656 | ||
657 | if (!ofproto_port_query_by_name(br2->ofproto, br->name, | |
658 | &ofproto_port)) { | |
659 | error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port); | |
660 | if (error) { | |
661 | VLOG_ERR("failed to delete port %s: %s", ofproto_port.name, | |
662 | strerror(error)); | |
663 | } | |
664 | ofproto_port_destroy(&ofproto_port); | |
665 | } | |
666 | } | |
667 | ||
668 | error = ofproto_create(br->name, br->type, &br->ofproto); | |
669 | if (error) { | |
670 | VLOG_ERR("failed to create bridge %s: %s", br->name, | |
671 | strerror(error)); | |
672 | bridge_destroy(br); | |
673 | } | |
66da9bef | 674 | } |
093e47f4 | 675 | } |
c3827f61 | 676 | |
fa066f01 BP |
677 | static void |
678 | port_configure(struct port *port) | |
679 | { | |
680 | const struct ovsrec_port *cfg = port->cfg; | |
681 | struct bond_settings bond_settings; | |
682 | struct lacp_settings lacp_settings; | |
683 | struct ofproto_bundle_settings s; | |
684 | struct iface *iface; | |
82057f51 | 685 | |
52a90c29 BP |
686 | if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) { |
687 | configure_splinter_port(port); | |
688 | return; | |
689 | } | |
690 | ||
fa066f01 BP |
691 | /* Get name. */ |
692 | s.name = port->name; | |
3a6ccc8c | 693 | |
fa066f01 BP |
694 | /* Get slaves. */ |
695 | s.n_slaves = 0; | |
696 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
697 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 698 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 699 | } |
c3827f61 | 700 | |
fa066f01 BP |
701 | /* Get VLAN tag. */ |
702 | s.vlan = -1; | |
acaf1486 BP |
703 | if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) { |
704 | s.vlan = *cfg->tag; | |
fa066f01 | 705 | } |
b0ec0f27 | 706 | |
fa066f01 BP |
707 | /* Get VLAN trunks. */ |
708 | s.trunks = NULL; | |
ecac4ebf | 709 | if (cfg->n_trunks) { |
fa066f01 | 710 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); |
ecac4ebf BP |
711 | } |
712 | ||
713 | /* Get VLAN mode. */ | |
714 | if (cfg->vlan_mode) { | |
715 | if (!strcmp(cfg->vlan_mode, "access")) { | |
716 | s.vlan_mode = PORT_VLAN_ACCESS; | |
717 | } else if (!strcmp(cfg->vlan_mode, "trunk")) { | |
718 | s.vlan_mode = PORT_VLAN_TRUNK; | |
719 | } else if (!strcmp(cfg->vlan_mode, "native-tagged")) { | |
720 | s.vlan_mode = PORT_VLAN_NATIVE_TAGGED; | |
721 | } else if (!strcmp(cfg->vlan_mode, "native-untagged")) { | |
722 | s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED; | |
723 | } else { | |
724 | /* This "can't happen" because ovsdb-server should prevent it. */ | |
725 | VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode); | |
726 | s.vlan_mode = PORT_VLAN_TRUNK; | |
727 | } | |
728 | } else { | |
729 | if (s.vlan >= 0) { | |
730 | s.vlan_mode = PORT_VLAN_ACCESS; | |
731 | if (cfg->n_trunks) { | |
732 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
733 | port->name); | |
734 | } | |
735 | } else { | |
736 | s.vlan_mode = PORT_VLAN_TRUNK; | |
737 | } | |
064af421 | 738 | } |
a699f614 EJ |
739 | s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags", |
740 | false); | |
064af421 | 741 | |
fa066f01 BP |
742 | /* Get LACP settings. */ |
743 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
744 | if (s.lacp) { | |
745 | size_t i = 0; | |
064af421 | 746 | |
fa066f01 BP |
747 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
748 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
749 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 750 | } |
fa066f01 BP |
751 | } else { |
752 | s.lacp_slaves = NULL; | |
753 | } | |
064af421 | 754 | |
fa066f01 BP |
755 | /* Get bond settings. */ |
756 | if (s.n_slaves > 1) { | |
fa066f01 | 757 | s.bond = &bond_settings; |
76ed83fc BP |
758 | s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids); |
759 | port_configure_bond(port, &bond_settings, s.bond_stable_ids); | |
fa066f01 BP |
760 | } else { |
761 | s.bond = NULL; | |
76ed83fc | 762 | s.bond_stable_ids = NULL; |
1670c579 EJ |
763 | |
764 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
765 | netdev_set_miimon_interval(iface->netdev, 0); | |
766 | } | |
fa066f01 | 767 | } |
093e47f4 | 768 | |
fa066f01 BP |
769 | /* Register. */ |
770 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 771 | |
fa066f01 | 772 | /* Clean up. */ |
4e51de4c | 773 | free(s.slaves); |
fa066f01 BP |
774 | free(s.trunks); |
775 | free(s.lacp_slaves); | |
76ed83fc | 776 | free(s.bond_stable_ids); |
fa066f01 | 777 | } |
76343538 | 778 | |
6f90b8f4 BP |
779 | /* Pick local port hardware address and datapath ID for 'br'. */ |
780 | static void | |
781 | bridge_configure_datapath_id(struct bridge *br) | |
782 | { | |
783 | uint8_t ea[ETH_ADDR_LEN]; | |
784 | uint64_t dpid; | |
785 | struct iface *local_iface; | |
786 | struct iface *hw_addr_iface; | |
787 | char *dpid_string; | |
76343538 | 788 | |
6f90b8f4 | 789 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 790 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
791 | if (local_iface) { |
792 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
793 | if (error) { | |
794 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
795 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
796 | "Ethernet address: %s", | |
797 | br->name, strerror(error)); | |
798 | } | |
799 | } | |
800 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 801 | |
6f90b8f4 | 802 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
e825ace2 BP |
803 | if (dpid != ofproto_get_datapath_id(br->ofproto)) { |
804 | VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid); | |
805 | ofproto_set_datapath_id(br->ofproto, dpid); | |
806 | } | |
76343538 | 807 | |
6f90b8f4 BP |
808 | dpid_string = xasprintf("%016"PRIx64, dpid); |
809 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
810 | free(dpid_string); | |
811 | } | |
064af421 | 812 | |
6f90b8f4 BP |
813 | /* Set NetFlow configuration on 'br'. */ |
814 | static void | |
815 | bridge_configure_netflow(struct bridge *br) | |
816 | { | |
817 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
818 | struct netflow_options opts; | |
72b06300 | 819 | |
6f90b8f4 BP |
820 | if (!cfg) { |
821 | ofproto_set_netflow(br->ofproto, NULL); | |
822 | return; | |
823 | } | |
a4af0040 | 824 | |
6f90b8f4 | 825 | memset(&opts, 0, sizeof opts); |
72b06300 | 826 | |
6f90b8f4 BP |
827 | /* Get default NetFlow configuration from datapath. |
828 | * Apply overrides from 'cfg'. */ | |
829 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
830 | if (cfg->engine_type) { | |
831 | opts.engine_type = *cfg->engine_type; | |
832 | } | |
833 | if (cfg->engine_id) { | |
834 | opts.engine_id = *cfg->engine_id; | |
835 | } | |
72b06300 | 836 | |
6f90b8f4 BP |
837 | /* Configure active timeout interval. */ |
838 | opts.active_timeout = cfg->active_timeout; | |
839 | if (!opts.active_timeout) { | |
840 | opts.active_timeout = -1; | |
841 | } else if (opts.active_timeout < 0) { | |
842 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
843 | "value, using default instead (%d seconds)", br->name, | |
844 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
845 | opts.active_timeout = -1; | |
846 | } | |
72b06300 | 847 | |
6f90b8f4 BP |
848 | /* Add engine ID to interface number to disambiguate bridgs? */ |
849 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
850 | if (opts.add_id_to_iface) { | |
851 | if (opts.engine_id > 0x7f) { | |
852 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
853 | "another vswitch, choose an engine id less than 128", | |
854 | br->name); | |
855 | } | |
856 | if (hmap_count(&br->ports) > 508) { | |
857 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
858 | "another port when more than 508 ports are used", | |
859 | br->name); | |
860 | } | |
861 | } | |
72b06300 | 862 | |
6f90b8f4 BP |
863 | /* Collectors. */ |
864 | sset_init(&opts.collectors); | |
865 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 866 | |
6f90b8f4 BP |
867 | /* Configure. */ |
868 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
869 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
870 | } | |
871 | sset_destroy(&opts.collectors); | |
872 | } | |
72b06300 | 873 | |
6f90b8f4 BP |
874 | /* Set sFlow configuration on 'br'. */ |
875 | static void | |
876 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
877 | { | |
878 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
879 | struct ovsrec_controller **controllers; | |
880 | struct ofproto_sflow_options oso; | |
881 | size_t n_controllers; | |
882 | size_t i; | |
72b06300 | 883 | |
6f90b8f4 BP |
884 | if (!cfg) { |
885 | ofproto_set_sflow(br->ofproto, NULL); | |
886 | return; | |
064af421 | 887 | } |
8052fb14 | 888 | |
6f90b8f4 | 889 | memset(&oso, 0, sizeof oso); |
52df17e7 | 890 | |
6f90b8f4 BP |
891 | sset_init(&oso.targets); |
892 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 893 | |
6f90b8f4 BP |
894 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
895 | if (cfg->sampling) { | |
896 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 897 | } |
6f90b8f4 BP |
898 | |
899 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
900 | if (cfg->polling) { | |
901 | oso.polling_interval = *cfg->polling; | |
064af421 | 902 | } |
093e47f4 | 903 | |
6f90b8f4 BP |
904 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
905 | if (cfg->header) { | |
906 | oso.header_len = *cfg->header; | |
907 | } | |
392730c4 | 908 | |
6f90b8f4 BP |
909 | oso.sub_id = (*sflow_bridge_number)++; |
910 | oso.agent_device = cfg->agent; | |
392730c4 | 911 | |
6f90b8f4 BP |
912 | oso.control_ip = NULL; |
913 | n_controllers = bridge_get_controllers(br, &controllers); | |
914 | for (i = 0; i < n_controllers; i++) { | |
915 | if (controllers[i]->local_ip) { | |
916 | oso.control_ip = controllers[i]->local_ip; | |
917 | break; | |
b31bcf60 EJ |
918 | } |
919 | } | |
6f90b8f4 | 920 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 921 | |
6f90b8f4 BP |
922 | sset_destroy(&oso.targets); |
923 | } | |
a7ff9bd7 | 924 | |
21f7563c JP |
925 | static void |
926 | port_configure_stp(const struct ofproto *ofproto, struct port *port, | |
927 | struct ofproto_port_stp_settings *port_s, | |
928 | int *port_num_counter, unsigned long *port_num_bitmap) | |
929 | { | |
930 | const char *config_str; | |
931 | struct iface *iface; | |
932 | ||
079b5942 | 933 | if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) { |
21f7563c JP |
934 | port_s->enable = false; |
935 | return; | |
936 | } else { | |
937 | port_s->enable = true; | |
938 | } | |
939 | ||
940 | /* STP over bonds is not supported. */ | |
941 | if (!list_is_singleton(&port->ifaces)) { | |
942 | VLOG_ERR("port %s: cannot enable STP on bonds, disabling", | |
943 | port->name); | |
944 | port_s->enable = false; | |
945 | return; | |
946 | } | |
947 | ||
948 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
949 | ||
950 | /* Internal ports shouldn't participate in spanning tree, so | |
951 | * skip them. */ | |
952 | if (!strcmp(iface->type, "internal")) { | |
953 | VLOG_DBG("port %s: disable STP on internal ports", port->name); | |
954 | port_s->enable = false; | |
955 | return; | |
956 | } | |
957 | ||
958 | /* STP on mirror output ports is not supported. */ | |
959 | if (ofproto_is_mirror_output_bundle(ofproto, port)) { | |
960 | VLOG_DBG("port %s: disable STP on mirror ports", port->name); | |
961 | port_s->enable = false; | |
962 | return; | |
963 | } | |
964 | ||
a699f614 | 965 | config_str = smap_get(&port->cfg->other_config, "stp-port-num"); |
21f7563c JP |
966 | if (config_str) { |
967 | unsigned long int port_num = strtoul(config_str, NULL, 0); | |
968 | int port_idx = port_num - 1; | |
969 | ||
970 | if (port_num < 1 || port_num > STP_MAX_PORTS) { | |
971 | VLOG_ERR("port %s: invalid stp-port-num", port->name); | |
972 | port_s->enable = false; | |
973 | return; | |
974 | } | |
975 | ||
976 | if (bitmap_is_set(port_num_bitmap, port_idx)) { | |
977 | VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling", | |
978 | port->name, port_num); | |
979 | port_s->enable = false; | |
980 | return; | |
981 | } | |
982 | bitmap_set1(port_num_bitmap, port_idx); | |
983 | port_s->port_num = port_idx; | |
984 | } else { | |
6019f124 | 985 | if (*port_num_counter >= STP_MAX_PORTS) { |
21f7563c JP |
986 | VLOG_ERR("port %s: too many STP ports, disabling", port->name); |
987 | port_s->enable = false; | |
988 | return; | |
989 | } | |
990 | ||
991 | port_s->port_num = (*port_num_counter)++; | |
992 | } | |
993 | ||
a699f614 | 994 | config_str = smap_get(&port->cfg->other_config, "stp-path-cost"); |
21f7563c JP |
995 | if (config_str) { |
996 | port_s->path_cost = strtoul(config_str, NULL, 10); | |
997 | } else { | |
6c038611 | 998 | enum netdev_features current; |
d02a5f8e | 999 | unsigned int mbps; |
21f7563c | 1000 | |
d02a5f8e BP |
1001 | netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); |
1002 | mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000; | |
1003 | port_s->path_cost = stp_convert_speed_to_cost(mbps); | |
21f7563c JP |
1004 | } |
1005 | ||
a699f614 | 1006 | config_str = smap_get(&port->cfg->other_config, "stp-port-priority"); |
21f7563c JP |
1007 | if (config_str) { |
1008 | port_s->priority = strtoul(config_str, NULL, 0); | |
1009 | } else { | |
1010 | port_s->priority = STP_DEFAULT_PORT_PRIORITY; | |
1011 | } | |
1012 | } | |
1013 | ||
1014 | /* Set spanning tree configuration on 'br'. */ | |
1015 | static void | |
1016 | bridge_configure_stp(struct bridge *br) | |
1017 | { | |
1018 | if (!br->cfg->stp_enable) { | |
1019 | ofproto_set_stp(br->ofproto, NULL); | |
1020 | } else { | |
1021 | struct ofproto_stp_settings br_s; | |
1022 | const char *config_str; | |
1023 | struct port *port; | |
1024 | int port_num_counter; | |
1025 | unsigned long *port_num_bitmap; | |
1026 | ||
a699f614 | 1027 | config_str = smap_get(&br->cfg->other_config, "stp-system-id"); |
21f7563c JP |
1028 | if (config_str) { |
1029 | uint8_t ea[ETH_ADDR_LEN]; | |
1030 | ||
1031 | if (eth_addr_from_string(config_str, ea)) { | |
1032 | br_s.system_id = eth_addr_to_uint64(ea); | |
1033 | } else { | |
1034 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
1035 | VLOG_ERR("bridge %s: invalid stp-system-id, defaulting " | |
1036 | "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea)); | |
1037 | } | |
1038 | } else { | |
1039 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
1040 | } | |
1041 | ||
a699f614 | 1042 | config_str = smap_get(&br->cfg->other_config, "stp-priority"); |
21f7563c JP |
1043 | if (config_str) { |
1044 | br_s.priority = strtoul(config_str, NULL, 0); | |
1045 | } else { | |
1046 | br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY; | |
1047 | } | |
1048 | ||
a699f614 | 1049 | config_str = smap_get(&br->cfg->other_config, "stp-hello-time"); |
21f7563c JP |
1050 | if (config_str) { |
1051 | br_s.hello_time = strtoul(config_str, NULL, 10) * 1000; | |
1052 | } else { | |
1053 | br_s.hello_time = STP_DEFAULT_HELLO_TIME; | |
1054 | } | |
1055 | ||
a699f614 | 1056 | config_str = smap_get(&br->cfg->other_config, "stp-max-age"); |
21f7563c JP |
1057 | if (config_str) { |
1058 | br_s.max_age = strtoul(config_str, NULL, 10) * 1000; | |
1059 | } else { | |
1060 | br_s.max_age = STP_DEFAULT_MAX_AGE; | |
1061 | } | |
1062 | ||
a699f614 | 1063 | config_str = smap_get(&br->cfg->other_config, "stp-forward-delay"); |
21f7563c JP |
1064 | if (config_str) { |
1065 | br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000; | |
1066 | } else { | |
1067 | br_s.fwd_delay = STP_DEFAULT_FWD_DELAY; | |
1068 | } | |
1069 | ||
1070 | /* Configure STP on the bridge. */ | |
1071 | if (ofproto_set_stp(br->ofproto, &br_s)) { | |
1072 | VLOG_ERR("bridge %s: could not enable STP", br->name); | |
1073 | return; | |
1074 | } | |
1075 | ||
1076 | /* Users must either set the port number with the "stp-port-num" | |
1077 | * configuration on all ports or none. If manual configuration | |
1078 | * is not done, then we allocate them sequentially. */ | |
1079 | port_num_counter = 0; | |
1080 | port_num_bitmap = bitmap_allocate(STP_MAX_PORTS); | |
1081 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1082 | struct ofproto_port_stp_settings port_s; | |
1083 | struct iface *iface; | |
1084 | ||
1085 | port_configure_stp(br->ofproto, port, &port_s, | |
1086 | &port_num_counter, port_num_bitmap); | |
1087 | ||
1088 | /* As bonds are not supported, just apply configuration to | |
1089 | * all interfaces. */ | |
1090 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1091 | if (ofproto_port_set_stp(br->ofproto, iface->ofp_port, | |
1092 | &port_s)) { | |
1093 | VLOG_ERR("port %s: could not enable STP", port->name); | |
1094 | continue; | |
1095 | } | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS | |
1100 | && port_num_counter) { | |
1101 | VLOG_ERR("bridge %s: must manually configure all STP port " | |
1102 | "IDs or none, disabling", br->name); | |
1103 | ofproto_set_stp(br->ofproto, NULL); | |
1104 | } | |
1105 | bitmap_free(port_num_bitmap); | |
1106 | } | |
1107 | } | |
1108 | ||
e8192d80 BP |
1109 | static bool |
1110 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
1111 | { | |
1112 | const struct port *port = port_lookup(br, name); | |
1113 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
1114 | } |
1115 | ||
e8192d80 BP |
1116 | static bool |
1117 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 1118 | { |
e8192d80 BP |
1119 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
1120 | } | |
093e47f4 | 1121 | |
66da9bef BP |
1122 | static void |
1123 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
1124 | { | |
1125 | struct bridge *br, *next; | |
1126 | struct shash new_br; | |
1127 | size_t i; | |
1128 | ||
1129 | /* Collect new bridges' names and types. */ | |
1130 | shash_init(&new_br); | |
1131 | for (i = 0; i < cfg->n_bridges; i++) { | |
5af5b532 | 1132 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
66da9bef | 1133 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; |
5af5b532 BP |
1134 | |
1135 | if (strchr(br_cfg->name, '/')) { | |
1136 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
1137 | * directories, e.g. consider a bridge named "../../../etc/". */ | |
1138 | VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"", | |
1139 | br_cfg->name); | |
1140 | } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
1141 | VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name); | |
66da9bef BP |
1142 | } |
1143 | } | |
1144 | ||
1145 | /* Get rid of deleted bridges or those whose types have changed. | |
1146 | * Update 'cfg' of bridges that still exist. */ | |
1147 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
1148 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
1149 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
1150 | br->cfg->datapath_type))) { | |
66da9bef BP |
1151 | bridge_destroy(br); |
1152 | } | |
1153 | } | |
1154 | ||
1155 | /* Add new bridges. */ | |
1156 | for (i = 0; i < cfg->n_bridges; i++) { | |
1157 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
1158 | struct bridge *br = bridge_lookup(br_cfg->name); | |
1159 | if (!br) { | |
1160 | bridge_create(br_cfg); | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | shash_destroy(&new_br); | |
1165 | } | |
1166 | ||
66da9bef | 1167 | static void |
892815f5 | 1168 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
1169 | { |
1170 | struct bridge *br = iface->port->bridge; | |
1171 | ||
892815f5 BP |
1172 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
1173 | iface->ofp_port = ofp_port; | |
1174 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 1175 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
1176 | } |
1177 | ||
2a485ee8 BP |
1178 | /* Configures 'netdev' based on the "options" column in 'iface_cfg'. |
1179 | * Returns 0 if successful, otherwise a positive errno value. */ | |
1180 | static int | |
1181 | iface_set_netdev_config(const struct ovsrec_interface *iface_cfg, | |
1182 | struct netdev *netdev) | |
1183 | { | |
2a485ee8 BP |
1184 | int error; |
1185 | ||
a699f614 | 1186 | error = netdev_set_config(netdev, &iface_cfg->options); |
2a485ee8 BP |
1187 | if (error) { |
1188 | VLOG_WARN("could not configure network device %s (%s)", | |
1189 | iface_cfg->name, strerror(error)); | |
1190 | } | |
1191 | return error; | |
1192 | } | |
1193 | ||
5344c1ac BP |
1194 | /* This function determines whether 'ofproto_port', which is attached to |
1195 | * br->ofproto's datapath, is one that we want in 'br'. | |
1196 | * | |
1197 | * If it is, it returns true, after creating an iface (if necessary), | |
1198 | * configuring the iface's netdev according to the iface's options, and setting | |
1199 | * iface's ofp_port member to 'ofproto_port->ofp_port'. | |
1200 | * | |
1201 | * If, on the other hand, 'port' should be removed, it returns false. The | |
1202 | * caller should later detach the port from br->ofproto. */ | |
1203 | static bool | |
1204 | bridge_refresh_one_ofp_port(struct bridge *br, | |
1205 | const struct ofproto_port *ofproto_port) | |
1206 | { | |
1207 | const char *name = ofproto_port->name; | |
1208 | const char *type = ofproto_port->type; | |
1209 | uint16_t ofp_port = ofproto_port->ofp_port; | |
1210 | ||
1211 | struct iface *iface = iface_lookup(br, name); | |
1212 | if (iface) { | |
1213 | /* Check that the name-to-number mapping is one-to-one. */ | |
1214 | if (iface->ofp_port >= 0) { | |
1215 | VLOG_WARN("bridge %s: interface %s reported twice", | |
1216 | br->name, name); | |
1217 | return false; | |
1218 | } else if (iface_from_ofp_port(br, ofp_port)) { | |
1219 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", | |
1220 | br->name, ofp_port); | |
1221 | return false; | |
1222 | } | |
1223 | ||
1224 | /* There's a configured interface named 'name'. */ | |
1225 | if (strcmp(type, iface->type) | |
1226 | || iface_set_netdev_config(iface->cfg, iface->netdev)) { | |
1227 | /* It's the wrong type, or it's the right type but can't be | |
1228 | * configured as the user requested, so we must destroy it. */ | |
1229 | return false; | |
1230 | } else { | |
1231 | /* It's the right type and configured correctly. keep it. */ | |
1232 | iface_set_ofp_port(iface, ofp_port); | |
1233 | return true; | |
1234 | } | |
1235 | } else if (bridge_has_bond_fake_iface(br, name) | |
1236 | && !strcmp(type, "internal")) { | |
1237 | /* It's a bond fake iface. Keep it. */ | |
1238 | return true; | |
1239 | } else { | |
1240 | /* There's no configured interface named 'name', but there might be an | |
1241 | * interface of that name queued to be created. | |
1242 | * | |
1243 | * If there is, and it has the correct type, then try to configure it | |
1244 | * and add it. If that's successful, we'll keep it. Otherwise, we'll | |
1245 | * delete it and later try to re-add it. */ | |
1246 | struct if_cfg *if_cfg = if_cfg_lookup(br, name); | |
1247 | return (if_cfg | |
1248 | && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg)) | |
1249 | && iface_create(br, if_cfg, ofp_port)); | |
1250 | } | |
1251 | } | |
1252 | ||
bae7208e EJ |
1253 | /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be |
1254 | * consistent with the ofp_ports in "br->ofproto". */ | |
66da9bef | 1255 | static void |
892815f5 | 1256 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
1257 | { |
1258 | struct ofproto_port_dump dump; | |
1259 | struct ofproto_port ofproto_port; | |
bae7208e | 1260 | struct port *port, *port_next; |
66da9bef | 1261 | |
bae7208e | 1262 | /* Clear each "struct iface"s ofp_port so we can get its correct value. */ |
66da9bef BP |
1263 | hmap_clear(&br->ifaces); |
1264 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1265 | struct iface *iface; | |
1266 | ||
1267 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 1268 | iface->ofp_port = -1; |
66da9bef BP |
1269 | } |
1270 | } | |
1271 | ||
bae7208e EJ |
1272 | /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which |
1273 | * already exist in the datapath and promote them to full fledged "struct | |
1274 | * iface"s. Mark ports in the datapath which don't belong as garbage. */ | |
66da9bef | 1275 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
5344c1ac BP |
1276 | if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) { |
1277 | struct ofpp_garbage *garbage = xmalloc(sizeof *garbage); | |
1278 | garbage->ofp_port = ofproto_port.ofp_port; | |
1279 | list_push_front(&br->ofpp_garbage, &garbage->list_node); | |
bae7208e EJ |
1280 | } |
1281 | } | |
1282 | ||
1283 | /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't | |
1284 | * deserve to have "struct iface"s. Demote these to "if_cfg"s so that | |
1285 | * later they can be added to ofproto. */ | |
1286 | HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) { | |
1287 | struct iface *iface, *iface_next; | |
1288 | ||
1289 | LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) { | |
1290 | if (iface->ofp_port < 0) { | |
1291 | bridge_queue_if_cfg(br, iface->cfg, port->cfg); | |
1292 | iface_destroy(iface); | |
66da9bef BP |
1293 | } |
1294 | } | |
bae7208e EJ |
1295 | |
1296 | if (list_is_empty(&port->ifaces)) { | |
1297 | port_destroy(port); | |
1298 | } | |
66da9bef BP |
1299 | } |
1300 | } | |
1301 | ||
81816a5f | 1302 | /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp' |
cc086465 BP |
1303 | * is negative, adds the network device to br->ofproto and stores the OpenFlow |
1304 | * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp' | |
1305 | * untouched. | |
1306 | * | |
1307 | * If successful, returns 0 and stores the network device in '*netdevp'. On | |
1308 | * failure, returns a positive errno value and stores NULL in '*netdevp'. */ | |
1309 | static int | |
1310 | iface_do_create(const struct bridge *br, | |
81816a5f | 1311 | const struct if_cfg *if_cfg, |
cc086465 BP |
1312 | int *ofp_portp, struct netdev **netdevp) |
1313 | { | |
81816a5f JP |
1314 | const struct ovsrec_interface *iface_cfg = if_cfg->cfg; |
1315 | const struct ovsrec_port *port_cfg = if_cfg->parent; | |
cc086465 BP |
1316 | struct netdev *netdev; |
1317 | int error; | |
1318 | ||
1319 | error = netdev_open(iface_cfg->name, | |
1320 | iface_get_type(iface_cfg, br->cfg), &netdev); | |
1321 | if (error) { | |
1322 | VLOG_WARN("could not open network device %s (%s)", | |
1323 | iface_cfg->name, strerror(error)); | |
1324 | goto error; | |
1325 | } | |
1326 | ||
1327 | error = iface_set_netdev_config(iface_cfg, netdev); | |
1328 | if (error) { | |
1329 | goto error; | |
1330 | } | |
1331 | ||
1332 | if (*ofp_portp < 0) { | |
81816a5f | 1333 | uint16_t ofp_port = if_cfg->ofport; |
cc086465 BP |
1334 | |
1335 | error = ofproto_port_add(br->ofproto, netdev, &ofp_port); | |
1336 | if (error) { | |
1337 | goto error; | |
1338 | } | |
1339 | *ofp_portp = ofp_port; | |
1340 | ||
1341 | VLOG_INFO("bridge %s: added interface %s on port %d", | |
1342 | br->name, iface_cfg->name, *ofp_portp); | |
1343 | } else { | |
1344 | VLOG_DBG("bridge %s: interface %s is on port %d", | |
1345 | br->name, iface_cfg->name, *ofp_portp); | |
1346 | } | |
1347 | ||
1348 | if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) { | |
1349 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1350 | } | |
1351 | ||
1352 | *netdevp = netdev; | |
1353 | return 0; | |
1354 | ||
1355 | error: | |
1356 | *netdevp = NULL; | |
1357 | netdev_close(netdev); | |
1358 | return error; | |
1359 | } | |
1360 | ||
bae7208e EJ |
1361 | /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow |
1362 | * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is | |
1363 | * automatically allocated for the iface. Takes ownership of and | |
01546f5d BP |
1364 | * deallocates 'if_cfg'. |
1365 | * | |
1366 | * Return true if an iface is successfully created, false otherwise. */ | |
1367 | static bool | |
bae7208e | 1368 | iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port) |
66da9bef | 1369 | { |
cc086465 BP |
1370 | const struct ovsrec_interface *iface_cfg = if_cfg->cfg; |
1371 | const struct ovsrec_port *port_cfg = if_cfg->parent; | |
1372 | ||
1373 | struct netdev *netdev; | |
bae7208e EJ |
1374 | struct iface *iface; |
1375 | struct port *port; | |
1376 | int error; | |
81816a5f | 1377 | bool ok = true; |
52a90c29 | 1378 | |
6b803ddc EJ |
1379 | /* Do the bits that can fail up front. |
1380 | * | |
1381 | * It's a bit dangerous to call bridge_run_fast() here as ofproto's | |
1382 | * internal datastructures may not be consistent. Eventually, when port | |
1383 | * additions and deletions are cheaper, these calls should be removed. */ | |
1384 | bridge_run_fast(); | |
cc086465 | 1385 | assert(!iface_lookup(br, iface_cfg->name)); |
81816a5f | 1386 | error = iface_do_create(br, if_cfg, &ofp_port, &netdev); |
6b803ddc | 1387 | bridge_run_fast(); |
bae7208e | 1388 | if (error) { |
cc086465 | 1389 | iface_clear_db_record(iface_cfg); |
81816a5f JP |
1390 | ok = false; |
1391 | goto done; | |
bae7208e | 1392 | } |
c7e7bb21 | 1393 | |
cc086465 BP |
1394 | /* Get or create the port structure. */ |
1395 | port = port_lookup(br, port_cfg->name); | |
1396 | if (!port) { | |
1397 | port = port_create(br, port_cfg); | |
bae7208e EJ |
1398 | } |
1399 | ||
cc086465 BP |
1400 | /* Create the iface structure. */ |
1401 | iface = xzalloc(sizeof *iface); | |
1402 | list_push_back(&port->ifaces, &iface->port_elem); | |
1403 | hmap_insert(&br->iface_by_name, &iface->name_node, | |
1404 | hash_string(iface_cfg->name, 0)); | |
1405 | iface->port = port; | |
1406 | iface->name = xstrdup(iface_cfg->name); | |
1407 | iface->ofp_port = -1; | |
1408 | iface->netdev = netdev; | |
1409 | iface->type = iface_get_type(iface_cfg, br->cfg); | |
1410 | iface->cfg = iface_cfg; | |
8b5da7a6 | 1411 | |
cc086465 | 1412 | iface_set_ofp_port(iface, ofp_port); |
66da9bef | 1413 | |
cc086465 BP |
1414 | /* Populate initial status in database. */ |
1415 | iface_refresh_stats(iface); | |
1416 | iface_refresh_status(iface); | |
bae7208e EJ |
1417 | |
1418 | /* Add bond fake iface if necessary. */ | |
1419 | if (port_is_bond_fake_iface(port)) { | |
8b5da7a6 BP |
1420 | struct ofproto_port ofproto_port; |
1421 | ||
bae7208e EJ |
1422 | if (ofproto_port_query_by_name(br->ofproto, port->name, |
1423 | &ofproto_port)) { | |
1424 | struct netdev *netdev; | |
1425 | int error; | |
1426 | ||
1427 | error = netdev_open(port->name, "internal", &netdev); | |
1428 | if (!error) { | |
81816a5f JP |
1429 | uint16_t ofp_port = if_cfg->ofport; |
1430 | ||
1431 | ofproto_port_add(br->ofproto, netdev, &ofp_port); | |
bae7208e | 1432 | netdev_close(netdev); |
66da9bef | 1433 | } else { |
bae7208e EJ |
1434 | VLOG_WARN("could not open network device %s (%s)", |
1435 | port->name, strerror(error)); | |
66da9bef | 1436 | } |
bae7208e EJ |
1437 | } else { |
1438 | /* Already exists, nothing to do. */ | |
1439 | ofproto_port_destroy(&ofproto_port); | |
66da9bef BP |
1440 | } |
1441 | } | |
01546f5d | 1442 | |
81816a5f JP |
1443 | done: |
1444 | hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node); | |
1445 | free(if_cfg); | |
1446 | ||
1447 | return ok; | |
66da9bef BP |
1448 | } |
1449 | ||
084f5290 SH |
1450 | /* Set Flow eviction threshold */ |
1451 | static void | |
1452 | bridge_configure_flow_eviction_threshold(struct bridge *br) | |
1453 | { | |
1454 | const char *threshold_str; | |
1455 | unsigned threshold; | |
1456 | ||
a699f614 EJ |
1457 | threshold_str = smap_get(&br->cfg->other_config, |
1458 | "flow-eviction-threshold"); | |
084f5290 SH |
1459 | if (threshold_str) { |
1460 | threshold = strtoul(threshold_str, NULL, 10); | |
1461 | } else { | |
9cac5195 | 1462 | threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT; |
084f5290 SH |
1463 | } |
1464 | ofproto_set_flow_eviction_threshold(br->ofproto, threshold); | |
1465 | } | |
1466 | ||
8402c74b SS |
1467 | /* Set forward BPDU option. */ |
1468 | static void | |
1469 | bridge_configure_forward_bpdu(struct bridge *br) | |
1470 | { | |
a699f614 EJ |
1471 | ofproto_set_forward_bpdu(br->ofproto, |
1472 | smap_get_bool(&br->cfg->other_config, | |
1473 | "forward-bpdu", | |
1474 | false)); | |
8402c74b SS |
1475 | } |
1476 | ||
e764773c BP |
1477 | /* Set MAC aging time for 'br'. */ |
1478 | static void | |
1479 | bridge_configure_mac_idle_time(struct bridge *br) | |
1480 | { | |
1481 | const char *idle_time_str; | |
1482 | int idle_time; | |
1483 | ||
a699f614 | 1484 | idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time"); |
e764773c BP |
1485 | idle_time = (idle_time_str && atoi(idle_time_str) |
1486 | ? atoi(idle_time_str) | |
1487 | : MAC_ENTRY_DEFAULT_IDLE_TIME); | |
1488 | ofproto_set_mac_idle_time(br->ofproto, idle_time); | |
1489 | } | |
1490 | ||
064af421 BP |
1491 | static void |
1492 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 1493 | struct iface **hw_addr_iface) |
064af421 | 1494 | { |
f145afdc | 1495 | struct hmapx mirror_output_ports; |
093e47f4 | 1496 | const char *hwaddr; |
8052fb14 | 1497 | struct port *port; |
3a48ace3 | 1498 | bool found_addr = false; |
064af421 | 1499 | int error; |
f145afdc | 1500 | int i; |
064af421 | 1501 | |
07c318f4 | 1502 | *hw_addr_iface = NULL; |
064af421 BP |
1503 | |
1504 | /* Did the user request a particular MAC? */ | |
a699f614 | 1505 | hwaddr = smap_get(&br->cfg->other_config, "hwaddr"); |
093e47f4 | 1506 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { |
064af421 BP |
1507 | if (eth_addr_is_multicast(ea)) { |
1508 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
1509 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1510 | } else if (eth_addr_is_zero(ea)) { | |
1511 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
1512 | } else { | |
1513 | return; | |
1514 | } | |
1515 | } | |
1516 | ||
f145afdc BP |
1517 | /* Mirror output ports don't participate in picking the local hardware |
1518 | * address. ofproto can't help us find out whether a given port is a | |
1519 | * mirror output because we haven't configured mirrors yet, so we need to | |
1520 | * accumulate them ourselves. */ | |
1521 | hmapx_init(&mirror_output_ports); | |
1522 | for (i = 0; i < br->cfg->n_mirrors; i++) { | |
1523 | struct ovsrec_mirror *m = br->cfg->mirrors[i]; | |
1524 | if (m->output_port) { | |
1525 | hmapx_add(&mirror_output_ports, m->output_port); | |
1526 | } | |
1527 | } | |
1528 | ||
141f4942 BP |
1529 | /* Otherwise choose the minimum non-local MAC address among all of the |
1530 | * interfaces. */ | |
8052fb14 | 1531 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 1532 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 1533 | struct iface *candidate; |
58b7527e BP |
1534 | struct iface *iface; |
1535 | ||
1536 | /* Mirror output ports don't participate. */ | |
f145afdc | 1537 | if (hmapx_contains(&mirror_output_ports, port->cfg)) { |
064af421 BP |
1538 | continue; |
1539 | } | |
58b7527e BP |
1540 | |
1541 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 1542 | iface = NULL; |
76343538 | 1543 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1544 | /* Find the interface with this Ethernet address (if any) so that |
1545 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1546 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1547 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1548 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1549 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1550 | iface = candidate; | |
1551 | } | |
1552 | } | |
58b7527e BP |
1553 | } else { |
1554 | /* Choose the interface whose MAC address will represent the port. | |
1555 | * The Linux kernel bonding code always chooses the MAC address of | |
1556 | * the first slave added to a bond, and the Fedora networking | |
1557 | * scripts always add slaves to a bond in alphabetical order, so | |
1558 | * for compatibility we choose the interface with the name that is | |
1559 | * first in alphabetical order. */ | |
83db7968 BP |
1560 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1561 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1562 | iface = candidate; |
1563 | } | |
1564 | } | |
1565 | ||
1566 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1567 | * MAC address anyway). */ |
892815f5 | 1568 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1569 | continue; |
1570 | } | |
58b7527e BP |
1571 | |
1572 | /* Grab MAC. */ | |
07c318f4 | 1573 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1574 | if (error) { |
58b7527e | 1575 | continue; |
064af421 BP |
1576 | } |
1577 | } | |
58b7527e BP |
1578 | |
1579 | /* Compare against our current choice. */ | |
1580 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1581 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1582 | !eth_addr_is_reserved(iface_ea) && |
1583 | !eth_addr_is_zero(iface_ea) && | |
0d1fe4a3 | 1584 | (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) |
58b7527e | 1585 | { |
0babc06f | 1586 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1587 | *hw_addr_iface = iface; |
3a48ace3 | 1588 | found_addr = true; |
58b7527e | 1589 | } |
064af421 | 1590 | } |
3a48ace3 JP |
1591 | if (found_addr) { |
1592 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1593 | br->name, ETH_ADDR_ARGS(ea)); | |
1594 | } else { | |
7e041ba5 | 1595 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); |
064af421 | 1596 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1597 | *hw_addr_iface = NULL; |
7e041ba5 EJ |
1598 | VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet " |
1599 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
064af421 | 1600 | } |
f145afdc BP |
1601 | |
1602 | hmapx_destroy(&mirror_output_ports); | |
064af421 BP |
1603 | } |
1604 | ||
1605 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1606 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1607 | * an interface on 'br', then that interface must be passed in as |
1608 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1609 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1610 | static uint64_t |
1611 | bridge_pick_datapath_id(struct bridge *br, | |
1612 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1613 | struct iface *hw_addr_iface) |
064af421 BP |
1614 | { |
1615 | /* | |
1616 | * The procedure for choosing a bridge MAC address will, in the most | |
1617 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1618 | * ID. In some special cases, though, multiple bridges will end up with | |
1619 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1620 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1621 | * ID. | |
1622 | * | |
1623 | * Datapath IDs must be unique. It is also very desirable that they be | |
1624 | * stable from one run to the next, so that policy set on a datapath | |
1625 | * "sticks". | |
1626 | */ | |
093e47f4 | 1627 | const char *datapath_id; |
064af421 BP |
1628 | uint64_t dpid; |
1629 | ||
a699f614 | 1630 | datapath_id = smap_get(&br->cfg->other_config, "datapath-id"); |
093e47f4 | 1631 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { |
064af421 BP |
1632 | return dpid; |
1633 | } | |
1634 | ||
03eae5f8 | 1635 | if (!hw_addr_iface) { |
064af421 BP |
1636 | /* |
1637 | * A purely internal bridge, that is, one that has no non-virtual | |
03eae5f8 | 1638 | * network devices on it at all, is difficult because it has no |
064af421 BP |
1639 | * natural unique identifier at all. |
1640 | * | |
1641 | * When the host is a XenServer, we handle this case by hashing the | |
1642 | * host's UUID with the name of the bridge. Names of bridges are | |
1643 | * persistent across XenServer reboots, although they can be reused if | |
1644 | * an internal network is destroyed and then a new one is later | |
1645 | * created, so this is fairly effective. | |
1646 | * | |
1647 | * When the host is not a XenServer, we punt by using a random MAC | |
1648 | * address on each run. | |
1649 | */ | |
1650 | const char *host_uuid = xenserver_get_host_uuid(); | |
1651 | if (host_uuid) { | |
1652 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1653 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1654 | free(combined); | |
1655 | return dpid; | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | return eth_addr_to_uint64(bridge_ea); | |
1660 | } | |
1661 | ||
1662 | static uint64_t | |
1663 | dpid_from_hash(const void *data, size_t n) | |
1664 | { | |
5eccf359 | 1665 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1666 | |
1667 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1668 | sha1_bytes(data, n, hash); |
064af421 BP |
1669 | eth_addr_mark_random(hash); |
1670 | return eth_addr_to_uint64(hash); | |
1671 | } | |
1672 | ||
ea83a2fc | 1673 | static void |
ea763e0e | 1674 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1675 | { |
79f1cbe9 | 1676 | struct smap smap; |
ea763e0e | 1677 | |
6c038611 | 1678 | enum netdev_features current; |
e210037e AE |
1679 | int64_t bps; |
1680 | int mtu; | |
1681 | int64_t mtu_64; | |
1682 | int error; | |
1683 | ||
cfea354b BP |
1684 | if (iface_is_synthetic(iface)) { |
1685 | return; | |
1686 | } | |
1687 | ||
79f1cbe9 | 1688 | smap_init(&smap); |
ea763e0e | 1689 | |
79f1cbe9 | 1690 | if (!netdev_get_drv_info(iface->netdev, &smap)) { |
a699f614 | 1691 | ovsrec_interface_set_status(iface->cfg, &smap); |
ea763e0e | 1692 | } else { |
a699f614 | 1693 | ovsrec_interface_set_status(iface->cfg, NULL); |
ea763e0e EJ |
1694 | } |
1695 | ||
79f1cbe9 | 1696 | smap_destroy(&smap); |
e210037e | 1697 | |
e210037e | 1698 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); |
d02a5f8e BP |
1699 | bps = !error ? netdev_features_to_bps(current, 0) : 0; |
1700 | if (bps) { | |
e210037e AE |
1701 | ovsrec_interface_set_duplex(iface->cfg, |
1702 | netdev_features_is_full_duplex(current) | |
1703 | ? "full" : "half"); | |
e210037e AE |
1704 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); |
1705 | } | |
1706 | else { | |
1707 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1708 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1709 | } | |
1710 | ||
e210037e | 1711 | error = netdev_get_mtu(iface->netdev, &mtu); |
9b020780 | 1712 | if (!error) { |
e210037e AE |
1713 | mtu_64 = mtu; |
1714 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1715 | } | |
1716 | else { | |
1717 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1718 | } | |
ea83a2fc EJ |
1719 | } |
1720 | ||
353079d0 EJ |
1721 | /* Writes 'iface''s CFM statistics to the database. 'iface' must not be |
1722 | * synthetic. */ | |
8f3fe844 | 1723 | static void |
b31bcf60 EJ |
1724 | iface_refresh_cfm_stats(struct iface *iface) |
1725 | { | |
93b8df38 | 1726 | const struct ovsrec_interface *cfg = iface->cfg; |
1c0333b6 | 1727 | int fault, opup, error; |
1de11730 EJ |
1728 | const uint64_t *rmps; |
1729 | size_t n_rmps; | |
3967a833 | 1730 | int health; |
b31bcf60 | 1731 | |
a5610457 EJ |
1732 | fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, |
1733 | iface->ofp_port); | |
8f3fe844 | 1734 | if (fault >= 0) { |
b9380396 | 1735 | const char *reasons[CFM_FAULT_N_REASONS]; |
a5610457 | 1736 | bool fault_bool = fault; |
b9380396 EJ |
1737 | size_t i, j; |
1738 | ||
1739 | j = 0; | |
1740 | for (i = 0; i < CFM_FAULT_N_REASONS; i++) { | |
1741 | int reason = 1 << i; | |
1742 | if (fault & reason) { | |
1743 | reasons[j++] = cfm_fault_reason_to_str(reason); | |
1744 | } | |
1745 | } | |
1746 | ||
a5610457 | 1747 | ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); |
b9380396 | 1748 | ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j); |
0f0d2ae5 EJ |
1749 | } else { |
1750 | ovsrec_interface_set_cfm_fault(cfg, NULL, 0); | |
b9380396 | 1751 | ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0); |
6586adf5 | 1752 | } |
1de11730 | 1753 | |
1c0333b6 EJ |
1754 | opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto, |
1755 | iface->ofp_port); | |
1756 | if (opup >= 0) { | |
1757 | ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down"); | |
1758 | } else { | |
1759 | ovsrec_interface_set_cfm_remote_opstate(cfg, NULL); | |
1760 | } | |
1761 | ||
1de11730 EJ |
1762 | error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto, |
1763 | iface->ofp_port, &rmps, &n_rmps); | |
1764 | if (error >= 0) { | |
1765 | ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps, | |
1766 | n_rmps); | |
1767 | } else { | |
1768 | ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); | |
1769 | } | |
3967a833 MM |
1770 | |
1771 | health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto, | |
1772 | iface->ofp_port); | |
1773 | if (health >= 0) { | |
1774 | int64_t cfm_health = health; | |
1775 | ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1); | |
1776 | } else { | |
1777 | ovsrec_interface_set_cfm_health(cfg, NULL, 0); | |
1778 | } | |
b31bcf60 EJ |
1779 | } |
1780 | ||
018f1525 BP |
1781 | static void |
1782 | iface_refresh_stats(struct iface *iface) | |
1783 | { | |
98dbe2dd BP |
1784 | #define IFACE_STATS \ |
1785 | IFACE_STAT(rx_packets, "rx_packets") \ | |
1786 | IFACE_STAT(tx_packets, "tx_packets") \ | |
1787 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
1788 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
1789 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
1790 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
1791 | IFACE_STAT(rx_errors, "rx_errors") \ | |
1792 | IFACE_STAT(tx_errors, "tx_errors") \ | |
1793 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
1794 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
1795 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
1796 | IFACE_STAT(collisions, "collisions") | |
1797 | ||
1798 | #define IFACE_STAT(MEMBER, NAME) NAME, | |
1799 | static char *keys[] = { IFACE_STATS }; | |
1800 | #undef IFACE_STAT | |
1801 | int64_t values[ARRAY_SIZE(keys)]; | |
1802 | int i; | |
018f1525 BP |
1803 | |
1804 | struct netdev_stats stats; | |
1805 | ||
cfea354b BP |
1806 | if (iface_is_synthetic(iface)) { |
1807 | return; | |
1808 | } | |
1809 | ||
018f1525 BP |
1810 | /* Intentionally ignore return value, since errors will set 'stats' to |
1811 | * all-1s, and we will deal with that correctly below. */ | |
1812 | netdev_get_stats(iface->netdev, &stats); | |
1813 | ||
98dbe2dd BP |
1814 | /* Copy statistics into values[] array. */ |
1815 | i = 0; | |
1816 | #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; | |
1817 | IFACE_STATS; | |
1818 | #undef IFACE_STAT | |
1819 | assert(i == ARRAY_SIZE(keys)); | |
018f1525 | 1820 | |
0acaddd0 EJ |
1821 | ovsrec_interface_set_statistics(iface->cfg, keys, values, |
1822 | ARRAY_SIZE(keys)); | |
98dbe2dd | 1823 | #undef IFACE_STATS |
018f1525 BP |
1824 | } |
1825 | ||
21f7563c JP |
1826 | static void |
1827 | br_refresh_stp_status(struct bridge *br) | |
1828 | { | |
a699f614 | 1829 | struct smap smap = SMAP_INITIALIZER(&smap); |
21f7563c JP |
1830 | struct ofproto *ofproto = br->ofproto; |
1831 | struct ofproto_stp_status status; | |
21f7563c JP |
1832 | |
1833 | if (ofproto_get_stp_status(ofproto, &status)) { | |
1834 | return; | |
1835 | } | |
1836 | ||
1837 | if (!status.enabled) { | |
a699f614 | 1838 | ovsrec_bridge_set_status(br->cfg, NULL); |
21f7563c JP |
1839 | return; |
1840 | } | |
1841 | ||
a699f614 EJ |
1842 | smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT, |
1843 | STP_ID_ARGS(status.bridge_id)); | |
1844 | smap_add_format(&smap, "stp_designated_root", STP_ID_FMT, | |
1845 | STP_ID_ARGS(status.designated_root)); | |
1846 | smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost); | |
21f7563c | 1847 | |
a699f614 EJ |
1848 | ovsrec_bridge_set_status(br->cfg, &smap); |
1849 | smap_destroy(&smap); | |
21f7563c JP |
1850 | } |
1851 | ||
1852 | static void | |
1853 | port_refresh_stp_status(struct port *port) | |
1854 | { | |
1855 | struct ofproto *ofproto = port->bridge->ofproto; | |
1856 | struct iface *iface; | |
1857 | struct ofproto_port_stp_status status; | |
a699f614 | 1858 | char *keys[3]; |
80740385 | 1859 | int64_t int_values[3]; |
a699f614 | 1860 | struct smap smap; |
21f7563c | 1861 | |
06b592bc EJ |
1862 | if (port_is_synthetic(port)) { |
1863 | return; | |
1864 | } | |
1865 | ||
21f7563c JP |
1866 | /* STP doesn't currently support bonds. */ |
1867 | if (!list_is_singleton(&port->ifaces)) { | |
a699f614 | 1868 | ovsrec_port_set_status(port->cfg, NULL); |
21f7563c JP |
1869 | return; |
1870 | } | |
1871 | ||
1872 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
1873 | ||
1874 | if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) { | |
1875 | return; | |
1876 | } | |
1877 | ||
1878 | if (!status.enabled) { | |
a699f614 | 1879 | ovsrec_port_set_status(port->cfg, NULL); |
80740385 | 1880 | ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0); |
21f7563c JP |
1881 | return; |
1882 | } | |
1883 | ||
80740385 | 1884 | /* Set Status column. */ |
a699f614 EJ |
1885 | smap_init(&smap); |
1886 | smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id); | |
1887 | smap_add(&smap, "stp_state", stp_state_name(status.state)); | |
1888 | smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state); | |
1889 | smap_add(&smap, "stp_role", stp_role_name(status.role)); | |
1890 | ovsrec_port_set_status(port->cfg, &smap); | |
1891 | smap_destroy(&smap); | |
80740385 JP |
1892 | |
1893 | /* Set Statistics column. */ | |
1894 | keys[0] = "stp_tx_count"; | |
1895 | int_values[0] = status.tx_count; | |
1896 | keys[1] = "stp_rx_count"; | |
1897 | int_values[1] = status.rx_count; | |
1898 | keys[2] = "stp_error_count"; | |
1899 | int_values[2] = status.error_count; | |
1900 | ||
1901 | ovsrec_port_set_statistics(port->cfg, keys, int_values, | |
1902 | ARRAY_SIZE(int_values)); | |
21f7563c JP |
1903 | } |
1904 | ||
3fe80505 BP |
1905 | static bool |
1906 | enable_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1907 | { | |
a699f614 | 1908 | return smap_get_bool(&cfg->other_config, "enable-statistics", false); |
3fe80505 BP |
1909 | } |
1910 | ||
ce887677 | 1911 | static void |
35a22d8c | 1912 | reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg) |
ce887677 | 1913 | { |
35a22d8c | 1914 | bool enable = enable_system_stats(cfg); |
ce887677 | 1915 | |
35a22d8c BP |
1916 | system_stats_enable(enable); |
1917 | if (!enable) { | |
1918 | ovsrec_open_vswitch_set_statistics(cfg, NULL); | |
3fe80505 | 1919 | } |
35a22d8c BP |
1920 | } |
1921 | ||
1922 | static void | |
1923 | run_system_stats(void) | |
1924 | { | |
1925 | const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl); | |
1926 | struct smap *stats; | |
1927 | ||
1928 | stats = system_stats_run(); | |
1929 | if (stats && cfg) { | |
1930 | struct ovsdb_idl_txn *txn; | |
1931 | struct ovsdb_datum datum; | |
1932 | ||
1933 | txn = ovsdb_idl_txn_create(idl); | |
1934 | ovsdb_datum_from_smap(&datum, stats); | |
1935 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1936 | &datum); | |
1937 | ovsdb_idl_txn_commit(txn); | |
1938 | ovsdb_idl_txn_destroy(txn); | |
ce887677 | 1939 | |
35a22d8c BP |
1940 | free(stats); |
1941 | } | |
ce887677 BP |
1942 | } |
1943 | ||
bffc0589 AE |
1944 | static inline const char * |
1945 | nx_role_to_str(enum nx_role role) | |
1946 | { | |
1947 | switch (role) { | |
1948 | case NX_ROLE_OTHER: | |
1949 | return "other"; | |
1950 | case NX_ROLE_MASTER: | |
1951 | return "master"; | |
1952 | case NX_ROLE_SLAVE: | |
1953 | return "slave"; | |
1954 | default: | |
1955 | return "*** INVALID ROLE ***"; | |
1956 | } | |
1957 | } | |
1958 | ||
1959 | static void | |
5d279086 | 1960 | refresh_controller_status(void) |
bffc0589 | 1961 | { |
5d279086 | 1962 | struct bridge *br; |
bffc0589 AE |
1963 | struct shash info; |
1964 | const struct ovsrec_controller *cfg; | |
1965 | ||
5d279086 AE |
1966 | shash_init(&info); |
1967 | ||
1968 | /* Accumulate status for controllers on all bridges. */ | |
1969 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1970 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1971 | } | |
bffc0589 | 1972 | |
5d279086 | 1973 | /* Update each controller in the database with current status. */ |
bffc0589 | 1974 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { |
eb9b8307 AE |
1975 | struct ofproto_controller_info *cinfo = |
1976 | shash_find_data(&info, cfg->target); | |
1977 | ||
1978 | if (cinfo) { | |
a699f614 EJ |
1979 | struct smap smap = SMAP_INITIALIZER(&smap); |
1980 | const char **values = cinfo->pairs.values; | |
1981 | const char **keys = cinfo->pairs.keys; | |
1982 | size_t i; | |
1983 | ||
1984 | for (i = 0; i < cinfo->pairs.n; i++) { | |
1985 | smap_add(&smap, keys[i], values[i]); | |
1986 | } | |
1987 | ||
eb9b8307 AE |
1988 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); |
1989 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
a699f614 EJ |
1990 | ovsrec_controller_set_status(cfg, &smap); |
1991 | smap_destroy(&smap); | |
eb9b8307 AE |
1992 | } else { |
1993 | ovsrec_controller_set_is_connected(cfg, false); | |
1994 | ovsrec_controller_set_role(cfg, NULL); | |
a699f614 | 1995 | ovsrec_controller_set_status(cfg, NULL); |
eb9b8307 | 1996 | } |
bffc0589 AE |
1997 | } |
1998 | ||
1999 | ofproto_free_ofproto_controller_info(&info); | |
2000 | } | |
2001 | ||
8f3fe844 | 2002 | static void |
353079d0 | 2003 | refresh_instant_stats(void) |
8f3fe844 EJ |
2004 | { |
2005 | static struct ovsdb_idl_txn *txn = NULL; | |
2006 | ||
2007 | if (!txn) { | |
2008 | struct bridge *br; | |
2009 | ||
2010 | txn = ovsdb_idl_txn_create(idl); | |
2011 | ||
2012 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2013 | struct iface *iface; | |
353079d0 EJ |
2014 | struct port *port; |
2015 | ||
2016 | br_refresh_stp_status(br); | |
2017 | ||
2018 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
2019 | port_refresh_stp_status(port); | |
2020 | } | |
8f3fe844 EJ |
2021 | |
2022 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
353079d0 EJ |
2023 | enum netdev_flags flags; |
2024 | const char *link_state; | |
2025 | int64_t link_resets; | |
2026 | int current, error; | |
2027 | ||
2028 | if (iface_is_synthetic(iface)) { | |
2029 | continue; | |
2030 | } | |
2031 | ||
2032 | current = ofproto_port_is_lacp_current(br->ofproto, | |
2033 | iface->ofp_port); | |
2034 | if (current >= 0) { | |
2035 | bool bl = current; | |
2036 | ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1); | |
2037 | } else { | |
2038 | ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0); | |
2039 | } | |
2040 | ||
2041 | error = netdev_get_flags(iface->netdev, &flags); | |
2042 | if (!error) { | |
2043 | const char *state = flags & NETDEV_UP ? "up" : "down"; | |
2044 | ovsrec_interface_set_admin_state(iface->cfg, state); | |
2045 | } else { | |
2046 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
2047 | } | |
2048 | ||
2049 | link_state = netdev_get_carrier(iface->netdev) ? "up" : "down"; | |
2050 | ovsrec_interface_set_link_state(iface->cfg, link_state); | |
2051 | ||
2052 | link_resets = netdev_get_carrier_resets(iface->netdev); | |
2053 | ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1); | |
2054 | ||
8f3fe844 EJ |
2055 | iface_refresh_cfm_stats(iface); |
2056 | } | |
2057 | } | |
2058 | } | |
2059 | ||
2060 | if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) { | |
2061 | ovsdb_idl_txn_destroy(txn); | |
2062 | txn = NULL; | |
2063 | } | |
2064 | } | |
2065 | ||
5fcc0d00 BP |
2066 | /* Performs periodic activity required by bridges that needs to be done with |
2067 | * the least possible latency. | |
2068 | * | |
2069 | * It makes sense to call this function a couple of times per poll loop, to | |
2070 | * provide a significant performance boost on some benchmarks with ofprotos | |
2071 | * that use the ofproto-dpif implementation. */ | |
2072 | void | |
2073 | bridge_run_fast(void) | |
2074 | { | |
11a574a7 JP |
2075 | struct sset types; |
2076 | const char *type; | |
5fcc0d00 BP |
2077 | struct bridge *br; |
2078 | ||
11a574a7 JP |
2079 | sset_init(&types); |
2080 | ofproto_enumerate_types(&types); | |
2081 | SSET_FOR_EACH (type, &types) { | |
2082 | ofproto_type_run_fast(type); | |
2083 | } | |
2084 | sset_destroy(&types); | |
2085 | ||
5fcc0d00 BP |
2086 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2087 | ofproto_run_fast(br->ofproto); | |
2088 | } | |
2089 | } | |
2090 | ||
c5187f17 | 2091 | void |
064af421 BP |
2092 | bridge_run(void) |
2093 | { | |
bae7208e | 2094 | static const struct ovsrec_open_vswitch null_cfg; |
d54ff998 | 2095 | const struct ovsrec_open_vswitch *cfg; |
bae7208e | 2096 | struct ovsdb_idl_txn *reconf_txn = NULL; |
11a574a7 JP |
2097 | struct sset types; |
2098 | const char *type; | |
d54ff998 | 2099 | |
52a90c29 | 2100 | bool vlan_splinters_changed; |
c5187f17 | 2101 | struct bridge *br; |
064af421 | 2102 | |
edce886c EJ |
2103 | ovsrec_open_vswitch_init((struct ovsrec_open_vswitch *) &null_cfg); |
2104 | ||
06b6d651 | 2105 | /* (Re)configure if necessary. */ |
bae7208e EJ |
2106 | if (!reconfiguring) { |
2107 | ovsdb_idl_run(idl); | |
06b6d651 | 2108 | |
bae7208e EJ |
2109 | if (ovsdb_idl_is_lock_contended(idl)) { |
2110 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
2111 | struct bridge *br, *next_br; | |
06b6d651 | 2112 | |
bae7208e EJ |
2113 | VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, " |
2114 | "disabling this process until it goes away"); | |
2115 | ||
2116 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { | |
2117 | bridge_destroy(br); | |
2118 | } | |
2119 | return; | |
2120 | } else if (!ovsdb_idl_has_lock(idl)) { | |
2121 | return; | |
06b6d651 | 2122 | } |
06b6d651 BP |
2123 | } |
2124 | cfg = ovsrec_open_vswitch_first(idl); | |
2125 | ||
b0408fca JP |
2126 | /* Initialize the ofproto library. This only needs to run once, but |
2127 | * it must be done after the configuration is set. If the | |
2128 | * initialization has already occurred, bridge_init_ofproto() | |
2129 | * returns immediately. */ | |
2130 | bridge_init_ofproto(cfg); | |
2131 | ||
11a574a7 JP |
2132 | /* Let each datapath type do the work that it needs to do. */ |
2133 | sset_init(&types); | |
2134 | ofproto_enumerate_types(&types); | |
2135 | SSET_FOR_EACH (type, &types) { | |
2136 | ofproto_type_run(type); | |
2137 | } | |
2138 | sset_destroy(&types); | |
2139 | ||
c5187f17 | 2140 | /* Let each bridge do the work that it needs to do. */ |
764072fd | 2141 | HMAP_FOR_EACH (br, node, &all_bridges) { |
5fcc0d00 | 2142 | ofproto_run(br->ofproto); |
c5187f17 BP |
2143 | } |
2144 | ||
d6da96ce BP |
2145 | /* Re-configure SSL. We do this on every trip through the main loop, |
2146 | * instead of just when the database changes, because the contents of the | |
2147 | * key and certificate files can change without the database changing. | |
2148 | * | |
2149 | * We do this before bridge_reconfigure() because that function might | |
2150 | * initiate SSL connections and thus requires SSL to be configured. */ | |
2151 | if (cfg && cfg->ssl) { | |
2152 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
2153 | ||
2154 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
2155 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
2156 | } | |
bf8f2167 | 2157 | |
bae7208e EJ |
2158 | if (!reconfiguring) { |
2159 | /* If VLAN splinters are in use, then we need to reconfigure if VLAN | |
2160 | * usage has changed. */ | |
2161 | vlan_splinters_changed = false; | |
2162 | if (vlan_splinters_enabled_anywhere) { | |
2163 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2164 | if (ofproto_has_vlan_usage_changed(br->ofproto)) { | |
2165 | vlan_splinters_changed = true; | |
2166 | break; | |
2167 | } | |
2168 | } | |
2169 | } | |
2170 | ||
2171 | if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) { | |
2172 | idl_seqno = ovsdb_idl_get_seqno(idl); | |
2173 | if (cfg) { | |
2174 | reconf_txn = ovsdb_idl_txn_create(idl); | |
2175 | bridge_reconfigure(cfg); | |
2176 | } else { | |
2177 | /* We still need to reconfigure to avoid dangling pointers to | |
2178 | * now-destroyed ovsrec structures inside bridge data. */ | |
2179 | bridge_reconfigure(&null_cfg); | |
52a90c29 BP |
2180 | } |
2181 | } | |
2182 | } | |
2183 | ||
bae7208e | 2184 | if (reconfiguring) { |
c5187f17 | 2185 | if (cfg) { |
bae7208e EJ |
2186 | if (!reconf_txn) { |
2187 | reconf_txn = ovsdb_idl_txn_create(idl); | |
2188 | } | |
2189 | if (bridge_reconfigure_continue(cfg)) { | |
2190 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
2191 | } | |
1e0b752d | 2192 | } else { |
bae7208e | 2193 | bridge_reconfigure_continue(&null_cfg); |
064af421 BP |
2194 | } |
2195 | } | |
018f1525 | 2196 | |
bae7208e EJ |
2197 | if (reconf_txn) { |
2198 | ovsdb_idl_txn_commit(reconf_txn); | |
2199 | ovsdb_idl_txn_destroy(reconf_txn); | |
2200 | reconf_txn = NULL; | |
2201 | } | |
2202 | ||
35a22d8c BP |
2203 | /* Refresh interface and mirror stats if necessary. */ |
2204 | if (time_msec() >= iface_stats_timer) { | |
ce887677 BP |
2205 | if (cfg) { |
2206 | struct ovsdb_idl_txn *txn; | |
018f1525 | 2207 | |
ce887677 | 2208 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 2209 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 2210 | struct port *port; |
9d24de3b | 2211 | struct mirror *m; |
018f1525 | 2212 | |
8052fb14 | 2213 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 2214 | struct iface *iface; |
018f1525 | 2215 | |
83db7968 | 2216 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 2217 | iface_refresh_stats(iface); |
ea763e0e | 2218 | iface_refresh_status(iface); |
ce887677 | 2219 | } |
018f1525 | 2220 | } |
9d24de3b JP |
2221 | |
2222 | HMAP_FOR_EACH (m, hmap_node, &br->mirrors) { | |
2223 | mirror_refresh_stats(m); | |
2224 | } | |
2225 | ||
018f1525 | 2226 | } |
5d279086 | 2227 | refresh_controller_status(); |
ce887677 BP |
2228 | ovsdb_idl_txn_commit(txn); |
2229 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 2230 | } |
018f1525 | 2231 | |
35a22d8c | 2232 | iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL; |
018f1525 | 2233 | } |
6586adf5 | 2234 | |
35a22d8c | 2235 | run_system_stats(); |
353079d0 | 2236 | refresh_instant_stats(); |
064af421 BP |
2237 | } |
2238 | ||
2239 | void | |
2240 | bridge_wait(void) | |
2241 | { | |
11a574a7 JP |
2242 | struct sset types; |
2243 | const char *type; | |
2244 | ||
c5187f17 | 2245 | ovsdb_idl_wait(idl); |
c7e7bb21 | 2246 | |
bae7208e | 2247 | if (reconfiguring) { |
c7e7bb21 EJ |
2248 | poll_immediate_wake(); |
2249 | } | |
2250 | ||
11a574a7 JP |
2251 | sset_init(&types); |
2252 | ofproto_enumerate_types(&types); | |
2253 | SSET_FOR_EACH (type, &types) { | |
2254 | ofproto_type_wait(type); | |
2255 | } | |
2256 | sset_destroy(&types); | |
2257 | ||
06b6d651 BP |
2258 | if (!hmap_is_empty(&all_bridges)) { |
2259 | struct bridge *br; | |
6586adf5 | 2260 | |
06b6d651 BP |
2261 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2262 | ofproto_wait(br->ofproto); | |
2263 | } | |
35a22d8c | 2264 | poll_timer_wait_until(iface_stats_timer); |
6586adf5 | 2265 | } |
35a22d8c BP |
2266 | |
2267 | system_stats_wait(); | |
064af421 | 2268 | } |
0d085684 BP |
2269 | |
2270 | /* Adds some memory usage statistics for bridges into 'usage', for use with | |
2271 | * memory_report(). */ | |
2272 | void | |
2273 | bridge_get_memory_usage(struct simap *usage) | |
2274 | { | |
2275 | struct bridge *br; | |
2276 | ||
2277 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2278 | ofproto_get_memory_usage(br->ofproto, usage); | |
2279 | } | |
2280 | } | |
8c4c1387 | 2281 | \f |
e8fe3026 EJ |
2282 | /* QoS unixctl user interface functions. */ |
2283 | ||
2284 | struct qos_unixctl_show_cbdata { | |
2285 | struct ds *ds; | |
2286 | struct iface *iface; | |
2287 | }; | |
2288 | ||
2289 | static void | |
2290 | qos_unixctl_show_cb(unsigned int queue_id, | |
79f1cbe9 | 2291 | const struct smap *details, |
e8fe3026 EJ |
2292 | void *aux) |
2293 | { | |
2294 | struct qos_unixctl_show_cbdata *data = aux; | |
2295 | struct ds *ds = data->ds; | |
2296 | struct iface *iface = data->iface; | |
2297 | struct netdev_queue_stats stats; | |
79f1cbe9 | 2298 | struct smap_node *node; |
e8fe3026 EJ |
2299 | int error; |
2300 | ||
2301 | ds_put_cstr(ds, "\n"); | |
2302 | if (queue_id) { | |
2303 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
2304 | } else { | |
2305 | ds_put_cstr(ds, "Default:\n"); | |
2306 | } | |
2307 | ||
79f1cbe9 EJ |
2308 | SMAP_FOR_EACH (node, details) { |
2309 | ds_put_format(ds, "\t%s: %s\n", node->key, node->value); | |
e8fe3026 EJ |
2310 | } |
2311 | ||
2312 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
2313 | if (!error) { | |
2314 | if (stats.tx_packets != UINT64_MAX) { | |
2315 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
2316 | } | |
2317 | ||
2318 | if (stats.tx_bytes != UINT64_MAX) { | |
2319 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
2320 | } | |
2321 | ||
2322 | if (stats.tx_errors != UINT64_MAX) { | |
2323 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
2324 | } | |
2325 | } else { | |
2326 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
2327 | queue_id, strerror(error)); | |
2328 | } | |
2329 | } | |
2330 | ||
2331 | static void | |
0e15264f BP |
2332 | qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2333 | const char *argv[], void *aux OVS_UNUSED) | |
e8fe3026 EJ |
2334 | { |
2335 | struct ds ds = DS_EMPTY_INITIALIZER; | |
79f1cbe9 | 2336 | struct smap smap = SMAP_INITIALIZER(&smap); |
e8fe3026 EJ |
2337 | struct iface *iface; |
2338 | const char *type; | |
79f1cbe9 | 2339 | struct smap_node *node; |
e8fe3026 EJ |
2340 | struct qos_unixctl_show_cbdata data; |
2341 | int error; | |
2342 | ||
0e15264f | 2343 | iface = iface_find(argv[1]); |
e8fe3026 | 2344 | if (!iface) { |
bde9f75d | 2345 | unixctl_command_reply_error(conn, "no such interface"); |
e8fe3026 EJ |
2346 | return; |
2347 | } | |
2348 | ||
79f1cbe9 | 2349 | netdev_get_qos(iface->netdev, &type, &smap); |
e8fe3026 EJ |
2350 | |
2351 | if (*type != '\0') { | |
2352 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
2353 | ||
79f1cbe9 EJ |
2354 | SMAP_FOR_EACH (node, &smap) { |
2355 | ds_put_format(&ds, "%s: %s\n", node->key, node->value); | |
e8fe3026 EJ |
2356 | } |
2357 | ||
2358 | data.ds = &ds; | |
2359 | data.iface = iface; | |
2360 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
2361 | ||
2362 | if (error) { | |
2363 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
2364 | } | |
bde9f75d | 2365 | unixctl_command_reply(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2366 | } else { |
2367 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
bde9f75d | 2368 | unixctl_command_reply_error(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2369 | } |
2370 | ||
79f1cbe9 | 2371 | smap_destroy(&smap); |
e8fe3026 EJ |
2372 | ds_destroy(&ds); |
2373 | } | |
2374 | \f | |
064af421 | 2375 | /* Bridge reconfiguration functions. */ |
66da9bef | 2376 | static void |
1a6f1e2a | 2377 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
2378 | { |
2379 | struct bridge *br; | |
064af421 | 2380 | |
1a6f1e2a | 2381 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 2382 | br = xzalloc(sizeof *br); |
064af421 | 2383 | |
1a6f1e2a | 2384 | br->name = xstrdup(br_cfg->name); |
f79e673f | 2385 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 2386 | br->cfg = br_cfg; |
e3f55cb8 BP |
2387 | |
2388 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
2389 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
2390 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
2391 | eth_addr_mark_random(br->default_ea); | |
064af421 | 2392 | |
8052fb14 | 2393 | hmap_init(&br->ports); |
d9a8717a | 2394 | hmap_init(&br->ifaces); |
ebea37cc | 2395 | hmap_init(&br->iface_by_name); |
fa066f01 | 2396 | hmap_init(&br->mirrors); |
4a1ee6ae | 2397 | |
bae7208e EJ |
2398 | hmap_init(&br->if_cfg_todo); |
2399 | list_init(&br->ofpp_garbage); | |
2400 | ||
764072fd | 2401 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
2402 | } |
2403 | ||
2404 | static void | |
2405 | bridge_destroy(struct bridge *br) | |
2406 | { | |
2407 | if (br) { | |
fa066f01 BP |
2408 | struct mirror *mirror, *next_mirror; |
2409 | struct port *port, *next_port; | |
bae7208e EJ |
2410 | struct if_cfg *if_cfg, *next_if_cfg; |
2411 | struct ofpp_garbage *garbage, *next_garbage; | |
064af421 | 2412 | |
fa066f01 | 2413 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 2414 | port_destroy(port); |
064af421 | 2415 | } |
fa066f01 BP |
2416 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
2417 | mirror_destroy(mirror); | |
f76e2dfc | 2418 | } |
bae7208e EJ |
2419 | HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) { |
2420 | hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node); | |
2421 | free(if_cfg); | |
2422 | } | |
2423 | LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node, | |
2424 | &br->ofpp_garbage) { | |
2425 | list_remove(&garbage->list_node); | |
2426 | free(garbage); | |
2427 | } | |
2428 | ||
764072fd | 2429 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 2430 | ofproto_destroy(br->ofproto); |
d9a8717a | 2431 | hmap_destroy(&br->ifaces); |
8052fb14 | 2432 | hmap_destroy(&br->ports); |
ebea37cc | 2433 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 2434 | hmap_destroy(&br->mirrors); |
bae7208e | 2435 | hmap_destroy(&br->if_cfg_todo); |
064af421 | 2436 | free(br->name); |
66da9bef | 2437 | free(br->type); |
064af421 BP |
2438 | free(br); |
2439 | } | |
2440 | } | |
2441 | ||
2442 | static struct bridge * | |
2443 | bridge_lookup(const char *name) | |
2444 | { | |
2445 | struct bridge *br; | |
2446 | ||
764072fd | 2447 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
2448 | if (!strcmp(br->name, name)) { |
2449 | return br; | |
2450 | } | |
2451 | } | |
2452 | return NULL; | |
2453 | } | |
2454 | ||
4f2cad2c JP |
2455 | /* Handle requests for a listing of all flows known by the OpenFlow |
2456 | * stack, including those normally hidden. */ | |
2457 | static void | |
0e15264f BP |
2458 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2459 | const char *argv[], void *aux OVS_UNUSED) | |
4f2cad2c JP |
2460 | { |
2461 | struct bridge *br; | |
2462 | struct ds results; | |
d295e8e9 | 2463 | |
0e15264f | 2464 | br = bridge_lookup(argv[1]); |
4f2cad2c | 2465 | if (!br) { |
bde9f75d | 2466 | unixctl_command_reply_error(conn, "Unknown bridge"); |
4f2cad2c JP |
2467 | return; |
2468 | } | |
2469 | ||
2470 | ds_init(&results); | |
2471 | ofproto_get_all_flows(br->ofproto, &results); | |
2472 | ||
bde9f75d | 2473 | unixctl_command_reply(conn, ds_cstr(&results)); |
4f2cad2c JP |
2474 | ds_destroy(&results); |
2475 | } | |
2476 | ||
fa05809b BP |
2477 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
2478 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
2479 | * drop their controller connections and reconnect. */ | |
2480 | static void | |
0e15264f BP |
2481 | bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc, |
2482 | const char *argv[], void *aux OVS_UNUSED) | |
fa05809b BP |
2483 | { |
2484 | struct bridge *br; | |
0e15264f BP |
2485 | if (argc > 1) { |
2486 | br = bridge_lookup(argv[1]); | |
fa05809b | 2487 | if (!br) { |
bde9f75d | 2488 | unixctl_command_reply_error(conn, "Unknown bridge"); |
fa05809b BP |
2489 | return; |
2490 | } | |
2491 | ofproto_reconnect_controllers(br->ofproto); | |
2492 | } else { | |
764072fd | 2493 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
2494 | ofproto_reconnect_controllers(br->ofproto); |
2495 | } | |
2496 | } | |
bde9f75d | 2497 | unixctl_command_reply(conn, NULL); |
fa05809b BP |
2498 | } |
2499 | ||
76ce9432 | 2500 | static size_t |
1a048029 | 2501 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 2502 | struct ovsrec_controller ***controllersp) |
064af421 | 2503 | { |
76ce9432 BP |
2504 | struct ovsrec_controller **controllers; |
2505 | size_t n_controllers; | |
064af421 | 2506 | |
1a048029 JP |
2507 | controllers = br->cfg->controller; |
2508 | n_controllers = br->cfg->n_controller; | |
76343538 | 2509 | |
76ce9432 BP |
2510 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
2511 | controllers = NULL; | |
2512 | n_controllers = 0; | |
064af421 | 2513 | } |
76343538 | 2514 | |
76ce9432 BP |
2515 | if (controllersp) { |
2516 | *controllersp = controllers; | |
2517 | } | |
2518 | return n_controllers; | |
064af421 BP |
2519 | } |
2520 | ||
bae7208e EJ |
2521 | static void |
2522 | bridge_queue_if_cfg(struct bridge *br, | |
2523 | const struct ovsrec_interface *cfg, | |
2524 | const struct ovsrec_port *parent) | |
2525 | { | |
2526 | struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg); | |
2527 | ||
2528 | if_cfg->cfg = cfg; | |
2529 | if_cfg->parent = parent; | |
81816a5f | 2530 | if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE; |
bae7208e EJ |
2531 | hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node, |
2532 | hash_string(if_cfg->cfg->name, 0)); | |
2533 | } | |
2534 | ||
2535 | /* Deletes "struct port"s and "struct iface"s under 'br' which aren't | |
2536 | * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which | |
2537 | * 'br' needs to complete its configuration. */ | |
064af421 | 2538 | static void |
52a90c29 BP |
2539 | bridge_add_del_ports(struct bridge *br, |
2540 | const unsigned long int *splinter_vlans) | |
064af421 | 2541 | { |
bae7208e | 2542 | struct shash_node *port_node; |
8052fb14 | 2543 | struct port *port, *next; |
8052fb14 | 2544 | struct shash new_ports; |
6ae39834 | 2545 | size_t i; |
064af421 | 2546 | |
bae7208e EJ |
2547 | assert(hmap_is_empty(&br->if_cfg_todo)); |
2548 | ||
064af421 | 2549 | /* Collect new ports. */ |
76343538 BP |
2550 | shash_init(&new_ports); |
2551 | for (i = 0; i < br->cfg->n_ports; i++) { | |
2552 | const char *name = br->cfg->ports[i]->name; | |
2553 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
2554 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
2555 | br->name, name); | |
2556 | } | |
2557 | } | |
b5827b24 BP |
2558 | if (bridge_get_controllers(br, NULL) |
2559 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
2560 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
2561 | br->name, br->name); | |
72865317 | 2562 | |
a699f614 EJ |
2563 | ovsrec_interface_init(&br->synth_local_iface); |
2564 | ovsrec_port_init(&br->synth_local_port); | |
2565 | ||
cfea354b BP |
2566 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
2567 | br->synth_local_port.n_interfaces = 1; | |
2568 | br->synth_local_port.name = br->name; | |
2569 | ||
2570 | br->synth_local_iface.name = br->name; | |
66da9bef | 2571 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
2572 | |
2573 | br->synth_local_ifacep = &br->synth_local_iface; | |
2574 | ||
2575 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 2576 | } |
064af421 | 2577 | |
52a90c29 BP |
2578 | if (splinter_vlans) { |
2579 | add_vlan_splinter_ports(br, splinter_vlans, &new_ports); | |
2580 | } | |
2581 | ||
4a1ee6ae | 2582 | /* Get rid of deleted ports. |
a70e4b2a | 2583 | * Get rid of deleted interfaces on ports that still exist. */ |
8052fb14 | 2584 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
2585 | port->cfg = shash_find_data(&new_ports, port->name); |
2586 | if (!port->cfg) { | |
4a1ee6ae BP |
2587 | port_destroy(port); |
2588 | } else { | |
66da9bef | 2589 | port_del_ifaces(port); |
064af421 BP |
2590 | } |
2591 | } | |
4a1ee6ae | 2592 | |
b54441b3 BP |
2593 | /* Update iface->cfg and iface->type in interfaces that still exist. |
2594 | * Add new interfaces to creation queue. */ | |
bae7208e EJ |
2595 | SHASH_FOR_EACH (port_node, &new_ports) { |
2596 | const struct ovsrec_port *port = port_node->data; | |
2597 | size_t i; | |
2598 | ||
2599 | for (i = 0; i < port->n_interfaces; i++) { | |
2600 | const struct ovsrec_interface *cfg = port->interfaces[i]; | |
2601 | struct iface *iface = iface_lookup(br, cfg->name); | |
046f1f89 | 2602 | const char *type = iface_get_type(cfg, br->cfg); |
bae7208e EJ |
2603 | |
2604 | if (iface) { | |
2605 | iface->cfg = cfg; | |
046f1f89 | 2606 | iface->type = type; |
0faed346 EJ |
2607 | } else if (!strcmp(type, "null")) { |
2608 | VLOG_WARN_ONCE("%s: The null interface type is deprecated and" | |
2609 | " may be removed in February 2013. Please email" | |
2610 | " dev@openvswitch.org with concerns.", | |
2611 | cfg->name); | |
2612 | } else { | |
bae7208e EJ |
2613 | bridge_queue_if_cfg(br, cfg, port); |
2614 | } | |
ceb4559f | 2615 | } |
064af421 | 2616 | } |
bae7208e | 2617 | |
76343538 | 2618 | shash_destroy(&new_ports); |
064af421 BP |
2619 | } |
2620 | ||
7d674866 BP |
2621 | /* Initializes 'oc' appropriately as a management service controller for |
2622 | * 'br'. | |
2623 | * | |
2624 | * The caller must free oc->target when it is no longer needed. */ | |
2625 | static void | |
2626 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
2627 | struct ofproto_controller *oc) | |
2628 | { | |
b43c6fe2 | 2629 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
2630 | oc->max_backoff = 0; |
2631 | oc->probe_interval = 60; | |
2632 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
2633 | oc->rate_limit = 0; |
2634 | oc->burst_limit = 0; | |
9886b662 | 2635 | oc->enable_async_msgs = true; |
7d674866 BP |
2636 | } |
2637 | ||
2638 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
2639 | static void | |
2640 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
2641 | struct ofproto_controller *oc) | |
2642 | { | |
a699f614 | 2643 | int dscp; |
f125905c | 2644 | |
7d674866 BP |
2645 | oc->target = c->target; |
2646 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
2647 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
2648 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
2649 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
2650 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
2651 | oc->burst_limit = (c->controller_burst_limit | |
2652 | ? *c->controller_burst_limit : 0); | |
9886b662 BP |
2653 | oc->enable_async_msgs = (!c->enable_async_messages |
2654 | || *c->enable_async_messages); | |
a699f614 EJ |
2655 | dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT); |
2656 | if (dscp < 0 || dscp > 63) { | |
2657 | dscp = DSCP_DEFAULT; | |
f125905c | 2658 | } |
a699f614 | 2659 | oc->dscp = dscp; |
7d674866 BP |
2660 | } |
2661 | ||
2662 | /* Configures the IP stack for 'br''s local interface properly according to the | |
2663 | * configuration in 'c'. */ | |
2664 | static void | |
2665 | bridge_configure_local_iface_netdev(struct bridge *br, | |
2666 | struct ovsrec_controller *c) | |
2667 | { | |
2668 | struct netdev *netdev; | |
2669 | struct in_addr mask, gateway; | |
2670 | ||
2671 | struct iface *local_iface; | |
2672 | struct in_addr ip; | |
2673 | ||
7d674866 | 2674 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 2675 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
2676 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
2677 | return; | |
2678 | } | |
2679 | ||
2680 | /* Bring up the local interface. */ | |
2681 | netdev = local_iface->netdev; | |
2682 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
2683 | ||
2684 | /* Configure the IP address and netmask. */ | |
2685 | if (!c->local_netmask | |
2686 | || !inet_aton(c->local_netmask, &mask) | |
2687 | || !mask.s_addr) { | |
2688 | mask.s_addr = guess_netmask(ip.s_addr); | |
2689 | } | |
2690 | if (!netdev_set_in4(netdev, ip, mask)) { | |
2691 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
2692 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
2693 | } | |
2694 | ||
2695 | /* Configure the default gateway. */ | |
2696 | if (c->local_gateway | |
2697 | && inet_aton(c->local_gateway, &gateway) | |
2698 | && gateway.s_addr) { | |
2699 | if (!netdev_add_router(netdev, gateway)) { | |
2700 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
2701 | br->name, IP_ARGS(&gateway.s_addr)); | |
2702 | } | |
2703 | } | |
2704 | } | |
2705 | ||
cb4ef1ea BP |
2706 | /* Returns true if 'a' and 'b' are the same except that any number of slashes |
2707 | * in either string are treated as equal to any number of slashes in the other, | |
2708 | * e.g. "x///y" is equal to "x/y". */ | |
2709 | static bool | |
2710 | equal_pathnames(const char *a, const char *b) | |
2711 | { | |
2712 | while (*a == *b) { | |
2713 | if (*a == '/') { | |
2714 | a += strspn(a, "/"); | |
2715 | b += strspn(b, "/"); | |
2716 | } else if (*a == '\0') { | |
2717 | return true; | |
2718 | } else { | |
2719 | a++; | |
2720 | b++; | |
2721 | } | |
2722 | } | |
2723 | return false; | |
2724 | } | |
2725 | ||
064af421 | 2726 | static void |
fa066f01 BP |
2727 | bridge_configure_remotes(struct bridge *br, |
2728 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 2729 | { |
a699f614 | 2730 | bool disable_in_band; |
b1da6250 | 2731 | |
76ce9432 BP |
2732 | struct ovsrec_controller **controllers; |
2733 | size_t n_controllers; | |
7d674866 | 2734 | |
66da9bef | 2735 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
2736 | |
2737 | struct ofproto_controller *ocs; | |
2738 | size_t n_ocs; | |
2739 | size_t i; | |
064af421 | 2740 | |
8731b2b6 | 2741 | /* Check if we should disable in-band control on this bridge. */ |
a699f614 EJ |
2742 | disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band", |
2743 | false); | |
8731b2b6 | 2744 | |
b1da6250 | 2745 | /* Set OpenFlow queue ID for in-band control. */ |
a699f614 EJ |
2746 | ofproto_set_in_band_queue(br->ofproto, |
2747 | smap_get_int(&br->cfg->other_config, | |
2748 | "in-band-queue", -1)); | |
b1da6250 | 2749 | |
8731b2b6 JP |
2750 | if (disable_in_band) { |
2751 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
2752 | } else { | |
2753 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
2754 | } | |
cd11000b | 2755 | |
1a048029 | 2756 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 2757 | |
7d674866 BP |
2758 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
2759 | n_ocs = 0; | |
064af421 | 2760 | |
7d674866 BP |
2761 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
2762 | for (i = 0; i < n_controllers; i++) { | |
2763 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 2764 | |
7d674866 BP |
2765 | if (!strncmp(c->target, "punix:", 6) |
2766 | || !strncmp(c->target, "unix:", 5)) { | |
2767 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
cb4ef1ea BP |
2768 | char *whitelist; |
2769 | ||
2770 | whitelist = xasprintf("unix:%s/%s.controller", | |
2771 | ovs_rundir(), br->name); | |
2772 | if (!equal_pathnames(c->target, whitelist)) { | |
2773 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
2774 | * Unix domain sockets and overwriting arbitrary local | |
2775 | * files. */ | |
2776 | VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket " | |
2777 | "controller \"%s\" due to possibility for remote " | |
2778 | "exploit. Instead, specify whitelisted \"%s\" or " | |
2779 | "connect to \"unix:%s/%s.mgmt\" (which is always " | |
2780 | "available without special configuration).", | |
2781 | br->name, c->target, whitelist, | |
2782 | ovs_rundir(), br->name); | |
2783 | free(whitelist); | |
2784 | continue; | |
2785 | } | |
4d6fb5eb | 2786 | |
cb4ef1ea | 2787 | free(whitelist); |
4d6fb5eb EJ |
2788 | } |
2789 | ||
7d674866 | 2790 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
2791 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
2792 | if (disable_in_band) { | |
2793 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 2794 | } |
8731b2b6 | 2795 | n_ocs++; |
be02e7c3 | 2796 | } |
be02e7c3 | 2797 | |
7d674866 BP |
2798 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
2799 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
2800 | free(ocs); | |
66da9bef BP |
2801 | |
2802 | /* Set the fail-mode. */ | |
2803 | fail_mode = !br->cfg->fail_mode | |
2804 | || !strcmp(br->cfg->fail_mode, "standalone") | |
2805 | ? OFPROTO_FAIL_STANDALONE | |
2806 | : OFPROTO_FAIL_SECURE; | |
2807 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
2808 | ||
2809 | /* Configure OpenFlow controller connection snooping. */ | |
2810 | if (!ofproto_has_snoops(br->ofproto)) { | |
2811 | struct sset snoops; | |
5827ce14 | 2812 | |
66da9bef BP |
2813 | sset_init(&snoops); |
2814 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
2815 | ovs_rundir(), br->name)); | |
2816 | ofproto_set_snoops(br->ofproto, &snoops); | |
2817 | sset_destroy(&snoops); | |
064af421 BP |
2818 | } |
2819 | } | |
254750ce BP |
2820 | |
2821 | static void | |
2822 | bridge_configure_tables(struct bridge *br) | |
2823 | { | |
2824 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2825 | int n_tables; | |
2826 | int i, j; | |
2827 | ||
2828 | n_tables = ofproto_get_n_tables(br->ofproto); | |
2829 | j = 0; | |
2830 | for (i = 0; i < n_tables; i++) { | |
2831 | struct ofproto_table_settings s; | |
2832 | ||
2833 | s.name = NULL; | |
2834 | s.max_flows = UINT_MAX; | |
2835 | s.groups = NULL; | |
2836 | s.n_groups = 0; | |
2837 | ||
2838 | if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) { | |
2839 | struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++]; | |
2840 | ||
2841 | s.name = cfg->name; | |
2842 | if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) { | |
2843 | s.max_flows = *cfg->flow_limit; | |
2844 | } | |
2845 | if (cfg->overflow_policy | |
2846 | && !strcmp(cfg->overflow_policy, "evict")) { | |
2847 | size_t k; | |
2848 | ||
2849 | s.groups = xmalloc(cfg->n_groups * sizeof *s.groups); | |
2850 | for (k = 0; k < cfg->n_groups; k++) { | |
2851 | const char *string = cfg->groups[k]; | |
2852 | char *msg; | |
2853 | ||
2854 | msg = mf_parse_subfield__(&s.groups[k], &string); | |
2855 | if (msg) { | |
2856 | VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing " | |
2857 | "'groups' (%s)", br->name, i, msg); | |
2858 | free(msg); | |
2859 | } else if (*string) { | |
2860 | VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' " | |
2861 | "element '%s' contains trailing garbage", | |
2862 | br->name, i, cfg->groups[k]); | |
2863 | } else { | |
2864 | s.n_groups++; | |
2865 | } | |
2866 | } | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | ofproto_configure_table(br->ofproto, i, &s); | |
2871 | ||
2872 | free(s.groups); | |
2873 | } | |
2874 | for (; j < br->cfg->n_flow_tables; j++) { | |
2875 | VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table " | |
2876 | "%"PRId64" not supported by this datapath", br->name, | |
2877 | br->cfg->key_flow_tables[j]); | |
2878 | } | |
2879 | } | |
064af421 | 2880 | \f |
fa066f01 | 2881 | /* Port functions. */ |
064af421 | 2882 | |
f620b43a | 2883 | static struct port * |
fa066f01 | 2884 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 2885 | { |
f620b43a BP |
2886 | struct port *port; |
2887 | ||
2888 | port = xzalloc(sizeof *port); | |
2889 | port->bridge = br; | |
fa066f01 BP |
2890 | port->name = xstrdup(cfg->name); |
2891 | port->cfg = cfg; | |
f620b43a BP |
2892 | list_init(&port->ifaces); |
2893 | ||
2894 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
f620b43a | 2895 | return port; |
064af421 BP |
2896 | } |
2897 | ||
fa066f01 | 2898 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 2899 | static void |
fa066f01 | 2900 | port_del_ifaces(struct port *port) |
064af421 | 2901 | { |
f620b43a BP |
2902 | struct iface *iface, *next; |
2903 | struct sset new_ifaces; | |
2904 | size_t i; | |
064af421 | 2905 | |
f620b43a BP |
2906 | /* Collect list of new interfaces. */ |
2907 | sset_init(&new_ifaces); | |
fa066f01 BP |
2908 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
2909 | const char *name = port->cfg->interfaces[i]->name; | |
93f331d3 | 2910 | const char *type = port->cfg->interfaces[i]->type; |
00794817 BP |
2911 | if (strcmp(type, "null")) { |
2912 | sset_add(&new_ifaces, name); | |
2913 | } | |
f620b43a | 2914 | } |
064af421 | 2915 | |
f620b43a BP |
2916 | /* Get rid of deleted interfaces. */ |
2917 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2918 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2919 | iface_destroy(iface); | |
064af421 | 2920 | } |
064af421 | 2921 | } |
f620b43a BP |
2922 | |
2923 | sset_destroy(&new_ifaces); | |
064af421 BP |
2924 | } |
2925 | ||
064af421 BP |
2926 | static void |
2927 | port_destroy(struct port *port) | |
2928 | { | |
2929 | if (port) { | |
2930 | struct bridge *br = port->bridge; | |
83db7968 | 2931 | struct iface *iface, *next; |
064af421 | 2932 | |
fa066f01 BP |
2933 | if (br->ofproto) { |
2934 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2935 | } |
2936 | ||
83db7968 BP |
2937 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2938 | iface_destroy(iface); | |
064af421 BP |
2939 | } |
2940 | ||
8052fb14 | 2941 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 BP |
2942 | free(port->name); |
2943 | free(port); | |
064af421 BP |
2944 | } |
2945 | } | |
2946 | ||
064af421 BP |
2947 | static struct port * |
2948 | port_lookup(const struct bridge *br, const char *name) | |
2949 | { | |
8052fb14 BP |
2950 | struct port *port; |
2951 | ||
2952 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2953 | &br->ports) { | |
2954 | if (!strcmp(port->name, name)) { | |
2955 | return port; | |
2956 | } | |
2957 | } | |
2958 | return NULL; | |
064af421 BP |
2959 | } |
2960 | ||
7a673515 BP |
2961 | static bool |
2962 | enable_lacp(struct port *port, bool *activep) | |
2963 | { | |
2964 | if (!port->cfg->lacp) { | |
2965 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2966 | * default and make active on bonded ports. */ | |
2967 | return false; | |
2968 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2969 | return false; | |
2970 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2971 | *activep = true; | |
2972 | return true; | |
2973 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2974 | *activep = false; | |
2975 | return true; | |
2976 | } else { | |
2977 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2978 | port->name, port->cfg->lacp); | |
2979 | return false; | |
2980 | } | |
2981 | } | |
2982 | ||
fa066f01 BP |
2983 | static struct lacp_settings * |
2984 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2985 | { |
e567943d | 2986 | const char *lacp_time, *system_id; |
b5a25389 | 2987 | int priority; |
5827ce14 | 2988 | |
fa066f01 BP |
2989 | if (!enable_lacp(port, &s->active)) { |
2990 | return NULL; | |
abd4a95d EJ |
2991 | } |
2992 | ||
fa066f01 | 2993 | s->name = port->name; |
e567943d | 2994 | |
a699f614 | 2995 | system_id = smap_get(&port->cfg->other_config, "lacp-system-id"); |
a9bf011b EJ |
2996 | if (system_id) { |
2997 | if (sscanf(system_id, ETH_ADDR_SCAN_FMT, | |
2998 | ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) { | |
2999 | VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet" | |
3000 | " address.", port->name, system_id); | |
3001 | return NULL; | |
3002 | } | |
3003 | } else { | |
e567943d EJ |
3004 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); |
3005 | } | |
b5a25389 | 3006 | |
69fdadb1 EJ |
3007 | if (eth_addr_is_zero(s->id)) { |
3008 | VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name); | |
3009 | return NULL; | |
3010 | } | |
3011 | ||
b5a25389 | 3012 | /* Prefer bondable links if unspecified. */ |
a699f614 EJ |
3013 | priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority", |
3014 | 0); | |
fa066f01 BP |
3015 | s->priority = (priority > 0 && priority <= UINT16_MAX |
3016 | ? priority | |
3017 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 3018 | |
a699f614 EJ |
3019 | lacp_time = smap_get(&port->cfg->other_config, "lacp-time"); |
3020 | s->fast = lacp_time && !strcasecmp(lacp_time, "fast"); | |
fa066f01 BP |
3021 | return s; |
3022 | } | |
5827ce14 | 3023 | |
fa066f01 BP |
3024 | static void |
3025 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
3026 | { | |
00794817 | 3027 | int priority, portid, key; |
5827ce14 | 3028 | |
a699f614 EJ |
3029 | portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0); |
3030 | priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority", | |
3031 | 0); | |
3032 | key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0); | |
fa066f01 BP |
3033 | |
3034 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 3035 | portid = iface->ofp_port; |
5827ce14 EJ |
3036 | } |
3037 | ||
fa066f01 BP |
3038 | if (priority <= 0 || priority > UINT16_MAX) { |
3039 | priority = UINT16_MAX; | |
3040 | } | |
5827ce14 | 3041 | |
00794817 BP |
3042 | if (key < 0 || key > UINT16_MAX) { |
3043 | key = 0; | |
5827ce14 | 3044 | } |
00794817 | 3045 | |
fa066f01 | 3046 | s->name = iface->name; |
fa066f01 BP |
3047 | s->id = portid; |
3048 | s->priority = priority; | |
00794817 | 3049 | s->key = key; |
bb5bc6c0 BP |
3050 | } |
3051 | ||
c25c91fd | 3052 | static void |
76ed83fc BP |
3053 | port_configure_bond(struct port *port, struct bond_settings *s, |
3054 | uint32_t *bond_stable_ids) | |
c25c91fd | 3055 | { |
f620b43a | 3056 | const char *detect_s; |
7a673515 | 3057 | struct iface *iface; |
1670c579 | 3058 | int miimon_interval; |
76ed83fc | 3059 | size_t i; |
c25c91fd | 3060 | |
fa066f01 | 3061 | s->name = port->name; |
4df08875 | 3062 | s->balance = BM_AB; |
4c57c3bc EJ |
3063 | if (port->cfg->bond_mode) { |
3064 | if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { | |
3065 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", | |
3066 | port->name, port->cfg->bond_mode, | |
3067 | bond_mode_to_string(s->balance)); | |
3068 | } | |
3069 | } else { | |
3070 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
3071 | ||
4df08875 EJ |
3072 | /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to |
3073 | * active-backup. At some point we should remove this warning. */ | |
4c57c3bc | 3074 | VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that" |
4df08875 EJ |
3075 | " in previous versions, the default bond_mode was" |
3076 | " balance-slb", port->name, | |
4c57c3bc | 3077 | bond_mode_to_string(s->balance)); |
f620b43a | 3078 | } |
6c2d2a9f BP |
3079 | if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { |
3080 | VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " | |
3081 | "please use another bond type or disable flood_vlans", | |
3082 | port->name); | |
3083 | } | |
bb5bc6c0 | 3084 | |
a699f614 EJ |
3085 | miimon_interval = smap_get_int(&port->cfg->other_config, |
3086 | "bond-miimon-interval", 0); | |
1670c579 EJ |
3087 | if (miimon_interval <= 0) { |
3088 | miimon_interval = 200; | |
f620b43a BP |
3089 | } |
3090 | ||
a699f614 EJ |
3091 | detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode"); |
3092 | if (!detect_s || !strcmp(detect_s, "carrier")) { | |
1670c579 EJ |
3093 | miimon_interval = 0; |
3094 | } else if (strcmp(detect_s, "miimon")) { | |
3095 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
3096 | "defaulting to carrier", port->name, detect_s); | |
3097 | miimon_interval = 0; | |
f620b43a BP |
3098 | } |
3099 | ||
fa066f01 BP |
3100 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
3101 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
a699f614 EJ |
3102 | s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0); |
3103 | s->rebalance_interval = smap_get_int(&port->cfg->other_config, | |
3104 | "bond-rebalance-interval", 10000); | |
bc1b010c | 3105 | if (s->rebalance_interval && s->rebalance_interval < 1000) { |
fa066f01 | 3106 | s->rebalance_interval = 1000; |
f620b43a BP |
3107 | } |
3108 | ||
fa066f01 | 3109 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 3110 | |
76ed83fc | 3111 | i = 0; |
7a673515 | 3112 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
3113 | long long stable_id; |
3114 | ||
a699f614 EJ |
3115 | stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id", |
3116 | 0); | |
632e2b95 | 3117 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 3118 | stable_id = iface->ofp_port; |
632e2b95 | 3119 | } |
76ed83fc | 3120 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
3121 | |
3122 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
3123 | } |
3124 | } | |
06b592bc EJ |
3125 | |
3126 | /* Returns true if 'port' is synthetic, that is, if we constructed it locally | |
3127 | * instead of obtaining it from the database. */ | |
3128 | static bool | |
3129 | port_is_synthetic(const struct port *port) | |
3130 | { | |
3131 | return ovsdb_idl_row_is_synthetic(&port->cfg->header_); | |
3132 | } | |
064af421 BP |
3133 | \f |
3134 | /* Interface functions. */ | |
3135 | ||
b54441b3 BP |
3136 | /* Returns the correct network device type for interface 'iface' in bridge |
3137 | * 'br'. */ | |
3138 | static const char * | |
3139 | iface_get_type(const struct ovsrec_interface *iface, | |
3140 | const struct ovsrec_bridge *br) | |
3141 | { | |
acf60855 JP |
3142 | /* The local port always has type "internal" unless the bridge is of |
3143 | * type "dummy". Other ports take their type from the database and | |
3144 | * default to "system" if none is specified. */ | |
3145 | if (!strcmp(iface->name, br->name)) { | |
3146 | return !strcmp(br->datapath_type, "dummy") ? "dummy" : "internal"; | |
3147 | } else { | |
3148 | return iface->type[0] ? iface->type : "system"; | |
3149 | } | |
064af421 BP |
3150 | } |
3151 | ||
3152 | static void | |
3153 | iface_destroy(struct iface *iface) | |
3154 | { | |
3155 | if (iface) { | |
3156 | struct port *port = iface->port; | |
3157 | struct bridge *br = port->bridge; | |
c17f0d5e | 3158 | |
892815f5 BP |
3159 | if (br->ofproto && iface->ofp_port >= 0) { |
3160 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
3161 | } |
3162 | ||
892815f5 BP |
3163 | if (iface->ofp_port >= 0) { |
3164 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
3165 | } |
3166 | ||
83db7968 | 3167 | list_remove(&iface->port_elem); |
ebea37cc | 3168 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 3169 | |
0c6aea3f | 3170 | netdev_close(iface->netdev); |
064af421 | 3171 | |
a740f0de JG |
3172 | free(iface->name); |
3173 | free(iface); | |
064af421 BP |
3174 | } |
3175 | } | |
3176 | ||
3177 | static struct iface * | |
3178 | iface_lookup(const struct bridge *br, const char *name) | |
3179 | { | |
ebea37cc BP |
3180 | struct iface *iface; |
3181 | ||
3182 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
3183 | &br->iface_by_name) { | |
3184 | if (!strcmp(iface->name, name)) { | |
3185 | return iface; | |
3186 | } | |
3187 | } | |
3188 | ||
3189 | return NULL; | |
064af421 BP |
3190 | } |
3191 | ||
e8fe3026 EJ |
3192 | static struct iface * |
3193 | iface_find(const char *name) | |
3194 | { | |
3195 | const struct bridge *br; | |
3196 | ||
764072fd | 3197 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
3198 | struct iface *iface = iface_lookup(br, name); |
3199 | ||
3200 | if (iface) { | |
3201 | return iface; | |
3202 | } | |
3203 | } | |
3204 | return NULL; | |
3205 | } | |
3206 | ||
bae7208e EJ |
3207 | static struct if_cfg * |
3208 | if_cfg_lookup(const struct bridge *br, const char *name) | |
3209 | { | |
3210 | struct if_cfg *if_cfg; | |
3211 | ||
3212 | HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0), | |
3213 | &br->if_cfg_todo) { | |
3214 | if (!strcmp(if_cfg->cfg->name, name)) { | |
3215 | return if_cfg; | |
3216 | } | |
3217 | } | |
3218 | ||
3219 | return NULL; | |
3220 | } | |
3221 | ||
064af421 | 3222 | static struct iface * |
892815f5 | 3223 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 3224 | { |
d9a8717a BP |
3225 | struct iface *iface; |
3226 | ||
892815f5 BP |
3227 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
3228 | hash_int(ofp_port, 0), &br->ifaces) { | |
3229 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
3230 | return iface; |
3231 | } | |
3232 | } | |
3233 | return NULL; | |
064af421 | 3234 | } |
557d8e6c | 3235 | |
52df17e7 BP |
3236 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
3237 | * file. */ | |
3238 | static void | |
3239 | iface_set_mac(struct iface *iface) | |
3240 | { | |
76343538 | 3241 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 3242 | |
ede2fd6d BP |
3243 | if (!strcmp(iface->type, "internal") |
3244 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 3245 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
3246 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
3247 | "(use Bridge record to set local port's mac)", | |
3248 | iface->name); | |
3249 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
3250 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
3251 | iface->name); | |
52df17e7 | 3252 | } else { |
4d678233 | 3253 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
3254 | if (error) { |
3255 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
3256 | iface->name, strerror(error)); | |
3257 | } | |
3258 | } | |
3259 | } | |
3260 | } | |
c1c9c9c4 | 3261 | |
bcd49a45 BP |
3262 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
3263 | static void | |
3264 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
3265 | { | |
cfea354b | 3266 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
3267 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
3268 | } | |
3269 | } | |
3270 | ||
3fc5a86a BP |
3271 | /* Clears all of the fields in 'if_cfg' that indicate interface status, and |
3272 | * sets the "ofport" field to -1. | |
3273 | * | |
3274 | * This is appropriate when 'if_cfg''s interface cannot be created or is | |
3275 | * otherwise invalid. */ | |
3276 | static void | |
3277 | iface_clear_db_record(const struct ovsrec_interface *if_cfg) | |
3278 | { | |
3279 | if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { | |
3280 | iface_set_ofport(if_cfg, -1); | |
a699f614 | 3281 | ovsrec_interface_set_status(if_cfg, NULL); |
3fc5a86a BP |
3282 | ovsrec_interface_set_admin_state(if_cfg, NULL); |
3283 | ovsrec_interface_set_duplex(if_cfg, NULL); | |
3284 | ovsrec_interface_set_link_speed(if_cfg, NULL, 0); | |
3285 | ovsrec_interface_set_link_state(if_cfg, NULL); | |
3286 | ovsrec_interface_set_mtu(if_cfg, NULL, 0); | |
3287 | ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0); | |
b9380396 | 3288 | ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0); |
3fc5a86a BP |
3289 | ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0); |
3290 | ovsrec_interface_set_lacp_current(if_cfg, NULL, 0); | |
3291 | ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0); | |
3292 | } | |
3293 | } | |
3294 | ||
c1c9c9c4 BP |
3295 | struct iface_delete_queues_cbdata { |
3296 | struct netdev *netdev; | |
44fca7f9 | 3297 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
3298 | }; |
3299 | ||
3300 | static bool | |
44fca7f9 | 3301 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 3302 | { |
44fca7f9 | 3303 | union ovsdb_atom atom; |
c1c9c9c4 | 3304 | |
44fca7f9 BP |
3305 | atom.integer = target; |
3306 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
3307 | } |
3308 | ||
3309 | static void | |
3310 | iface_delete_queues(unsigned int queue_id, | |
79f1cbe9 | 3311 | const struct smap *details OVS_UNUSED, void *cbdata_) |
c1c9c9c4 BP |
3312 | { |
3313 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
3314 | ||
44fca7f9 | 3315 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
3316 | netdev_delete_queue(cbdata->netdev, queue_id); |
3317 | } | |
3318 | } | |
3319 | ||
3320 | static void | |
66da9bef | 3321 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 3322 | { |
8b36f51e EJ |
3323 | struct ofpbuf queues_buf; |
3324 | ||
3325 | ofpbuf_init(&queues_buf, 0); | |
3326 | ||
daa8bd2b | 3327 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
3328 | netdev_set_qos(iface->netdev, NULL, NULL); |
3329 | } else { | |
3330 | struct iface_delete_queues_cbdata cbdata; | |
6a6e60bd | 3331 | bool queue_zero; |
c1c9c9c4 BP |
3332 | size_t i; |
3333 | ||
3334 | /* Configure top-level Qos for 'iface'. */ | |
a699f614 | 3335 | netdev_set_qos(iface->netdev, qos->type, &qos->other_config); |
c1c9c9c4 BP |
3336 | |
3337 | /* Deconfigure queues that were deleted. */ | |
3338 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
3339 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
3340 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
3341 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
3342 | ||
3343 | /* Configure queues for 'iface'. */ | |
6a6e60bd | 3344 | queue_zero = false; |
c1c9c9c4 BP |
3345 | for (i = 0; i < qos->n_queues; i++) { |
3346 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
3347 | unsigned int queue_id = qos->key_queues[i]; | |
3348 | ||
6a6e60bd BP |
3349 | if (queue_id == 0) { |
3350 | queue_zero = true; | |
3351 | } | |
3352 | ||
8b36f51e EJ |
3353 | if (queue->n_dscp == 1) { |
3354 | struct ofproto_port_queue *port_queue; | |
3355 | ||
3356 | port_queue = ofpbuf_put_uninit(&queues_buf, | |
3357 | sizeof *port_queue); | |
3358 | port_queue->queue = queue_id; | |
3359 | port_queue->dscp = queue->dscp[0]; | |
3360 | } | |
3361 | ||
a699f614 | 3362 | netdev_set_queue(iface->netdev, queue_id, &queue->other_config); |
c1c9c9c4 | 3363 | } |
6a6e60bd | 3364 | if (!queue_zero) { |
a699f614 EJ |
3365 | struct smap details; |
3366 | ||
79f1cbe9 | 3367 | smap_init(&details); |
2c999774 | 3368 | netdev_set_queue(iface->netdev, 0, &details); |
79f1cbe9 | 3369 | smap_destroy(&details); |
6a6e60bd | 3370 | } |
c1c9c9c4 | 3371 | } |
fa066f01 | 3372 | |
8b36f51e EJ |
3373 | if (iface->ofp_port >= 0) { |
3374 | const struct ofproto_port_queue *port_queues = queues_buf.data; | |
3375 | size_t n_queues = queues_buf.size / sizeof *port_queues; | |
3376 | ||
3377 | ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port, | |
3378 | port_queues, n_queues); | |
3379 | } | |
3380 | ||
fa066f01 BP |
3381 | netdev_set_policing(iface->netdev, |
3382 | iface->cfg->ingress_policing_rate, | |
3383 | iface->cfg->ingress_policing_burst); | |
8b36f51e EJ |
3384 | |
3385 | ofpbuf_uninit(&queues_buf); | |
c1c9c9c4 | 3386 | } |
b31bcf60 EJ |
3387 | |
3388 | static void | |
66da9bef | 3389 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 3390 | { |
93b8df38 | 3391 | const struct ovsrec_interface *cfg = iface->cfg; |
a699f614 | 3392 | const char *opstate_str; |
189cb9e4 | 3393 | const char *cfm_ccm_vlan; |
a5610457 | 3394 | struct cfm_settings s; |
b363bae4 | 3395 | struct smap netdev_args; |
b31bcf60 | 3396 | |
144216a3 | 3397 | if (!cfg->n_cfm_mpid) { |
892815f5 | 3398 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
3399 | return; |
3400 | } | |
3401 | ||
b363bae4 EJ |
3402 | s.check_tnl_key = false; |
3403 | smap_init(&netdev_args); | |
3404 | if (!netdev_get_config(iface->netdev, &netdev_args)) { | |
3405 | const char *key = smap_get(&netdev_args, "key"); | |
3406 | const char *in_key = smap_get(&netdev_args, "in_key"); | |
3407 | ||
3408 | s.check_tnl_key = (key && !strcmp(key, "flow")) | |
3409 | || (in_key && !strcmp(in_key, "flow")); | |
3410 | } | |
3411 | smap_destroy(&netdev_args); | |
3412 | ||
a5610457 | 3413 | s.mpid = *cfg->cfm_mpid; |
a699f614 EJ |
3414 | s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0); |
3415 | cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan"); | |
3416 | s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0); | |
3417 | ||
a5610457 EJ |
3418 | if (s.interval <= 0) { |
3419 | s.interval = 1000; | |
b31bcf60 | 3420 | } |
b31bcf60 | 3421 | |
a699f614 EJ |
3422 | if (!cfm_ccm_vlan) { |
3423 | s.ccm_vlan = 0; | |
3424 | } else if (!strcasecmp("random", cfm_ccm_vlan)) { | |
189cb9e4 EJ |
3425 | s.ccm_vlan = CFM_RANDOM_VLAN; |
3426 | } else { | |
3427 | s.ccm_vlan = atoi(cfm_ccm_vlan); | |
3428 | if (s.ccm_vlan == CFM_RANDOM_VLAN) { | |
3429 | s.ccm_vlan = 0; | |
3430 | } | |
3431 | } | |
3432 | ||
a699f614 EJ |
3433 | s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended", |
3434 | false); | |
ef9819b5 | 3435 | |
a699f614 EJ |
3436 | opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate"); |
3437 | s.opup = !opstate_str || !strcasecmp("up", opstate_str); | |
86dc6501 | 3438 | |
a5610457 | 3439 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 3440 | } |
0b8024eb | 3441 | |
cfea354b BP |
3442 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally |
3443 | * instead of obtaining it from the database. */ | |
3444 | static bool | |
3445 | iface_is_synthetic(const struct iface *iface) | |
3446 | { | |
3447 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
3448 | } | |
f125905c | 3449 | |
064af421 BP |
3450 | \f |
3451 | /* Port mirroring. */ | |
3452 | ||
dd0d105c BP |
3453 | static struct mirror * |
3454 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
3455 | { | |
fa066f01 | 3456 | struct mirror *m; |
dd0d105c | 3457 | |
fa066f01 BP |
3458 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
3459 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
3460 | return m; |
3461 | } | |
3462 | } | |
3463 | return NULL; | |
3464 | } | |
3465 | ||
064af421 | 3466 | static void |
fa066f01 | 3467 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 3468 | { |
fa066f01 BP |
3469 | const struct ovsdb_datum *mc; |
3470 | unsigned long *flood_vlans; | |
3471 | struct mirror *m, *next; | |
3472 | size_t i; | |
064af421 | 3473 | |
dd0d105c | 3474 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
3475 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
3476 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
3477 | union ovsdb_atom atom; | |
3478 | ||
3479 | atom.uuid = m->uuid; | |
3480 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
3481 | mirror_destroy(m); | |
064af421 BP |
3482 | } |
3483 | } | |
3484 | ||
dd0d105c | 3485 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 3486 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 3487 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 3488 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
3489 | if (!m) { |
3490 | m = mirror_create(br, cfg); | |
064af421 | 3491 | } |
9d24de3b JP |
3492 | m->cfg = cfg; |
3493 | if (!mirror_configure(m)) { | |
fa066f01 | 3494 | mirror_destroy(m); |
064af421 BP |
3495 | } |
3496 | } | |
f2d7fd66 | 3497 | |
8f30d09a | 3498 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
3499 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
3500 | br->cfg->n_flood_vlans); | |
3501 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
3502 | bitmap_free(flood_vlans); | |
064af421 BP |
3503 | } |
3504 | ||
fa066f01 BP |
3505 | static struct mirror * |
3506 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
3507 | { |
3508 | struct mirror *m; | |
064af421 | 3509 | |
fa066f01 | 3510 | m = xzalloc(sizeof *m); |
8bbc128e | 3511 | m->uuid = cfg->header_.uuid; |
fa066f01 | 3512 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 3513 | m->bridge = br; |
dd0d105c | 3514 | m->name = xstrdup(cfg->name); |
37e7f427 | 3515 | |
fa066f01 | 3516 | return m; |
064af421 BP |
3517 | } |
3518 | ||
3519 | static void | |
3520 | mirror_destroy(struct mirror *m) | |
3521 | { | |
3522 | if (m) { | |
3523 | struct bridge *br = m->bridge; | |
064af421 | 3524 | |
fa066f01 BP |
3525 | if (br->ofproto) { |
3526 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
3527 | } |
3528 | ||
fa066f01 | 3529 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 3530 | free(m->name); |
064af421 | 3531 | free(m); |
064af421 BP |
3532 | } |
3533 | } | |
3534 | ||
3535 | static void | |
fa066f01 BP |
3536 | mirror_collect_ports(struct mirror *m, |
3537 | struct ovsrec_port **in_ports, int n_in_ports, | |
3538 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 3539 | { |
fa066f01 BP |
3540 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
3541 | size_t n_out_ports = 0; | |
064af421 BP |
3542 | size_t i; |
3543 | ||
fa066f01 BP |
3544 | for (i = 0; i < n_in_ports; i++) { |
3545 | const char *name = in_ports[i]->name; | |
3546 | struct port *port = port_lookup(m->bridge, name); | |
3547 | if (port) { | |
3548 | out_ports[n_out_ports++] = port; | |
064af421 | 3549 | } else { |
37e7f427 BP |
3550 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
3551 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
3552 | } |
3553 | } | |
fa066f01 BP |
3554 | *out_portsp = out_ports; |
3555 | *n_out_portsp = n_out_ports; | |
064af421 BP |
3556 | } |
3557 | ||
3558 | static bool | |
9d24de3b | 3559 | mirror_configure(struct mirror *m) |
064af421 | 3560 | { |
9d24de3b | 3561 | const struct ovsrec_mirror *cfg = m->cfg; |
fa066f01 | 3562 | struct ofproto_mirror_settings s; |
064af421 | 3563 | |
dd0d105c BP |
3564 | /* Set name. */ |
3565 | if (strcmp(cfg->name, m->name)) { | |
3566 | free(m->name); | |
3567 | m->name = xstrdup(cfg->name); | |
3568 | } | |
fa066f01 | 3569 | s.name = m->name; |
dd0d105c | 3570 | |
fa066f01 | 3571 | /* Get output port or VLAN. */ |
37e7f427 | 3572 | if (cfg->output_port) { |
fa066f01 | 3573 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 3574 | if (!s.out_bundle) { |
37e7f427 BP |
3575 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
3576 | m->bridge->name, m->name); | |
fa066f01 | 3577 | return false; |
064af421 | 3578 | } |
fa066f01 | 3579 | s.out_vlan = UINT16_MAX; |
064af421 | 3580 | |
37e7f427 BP |
3581 | if (cfg->output_vlan) { |
3582 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
3583 | "output vlan; ignoring output vlan", | |
3584 | m->bridge->name, m->name); | |
064af421 | 3585 | } |
37e7f427 | 3586 | } else if (cfg->output_vlan) { |
fa066f01 BP |
3587 | /* The database should prevent invalid VLAN values. */ |
3588 | s.out_bundle = NULL; | |
3589 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 3590 | } else { |
37e7f427 BP |
3591 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
3592 | m->bridge->name, m->name); | |
fa066f01 | 3593 | return false; |
064af421 BP |
3594 | } |
3595 | ||
fa066f01 | 3596 | /* Get port selection. */ |
939ff267 | 3597 | if (cfg->select_all) { |
fa066f01 BP |
3598 | size_t n_ports = hmap_count(&m->bridge->ports); |
3599 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 3600 | struct port *port; |
fa066f01 BP |
3601 | size_t i; |
3602 | ||
3603 | i = 0; | |
8052fb14 | 3604 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 3605 | ports[i++] = port; |
939ff267 | 3606 | } |
fa066f01 BP |
3607 | |
3608 | s.srcs = ports; | |
3609 | s.n_srcs = n_ports; | |
3610 | ||
3611 | s.dsts = ports; | |
3612 | s.n_dsts = n_ports; | |
939ff267 | 3613 | } else { |
fa066f01 BP |
3614 | /* Get ports, dropping ports that don't exist. |
3615 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 3616 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 3617 | &s.srcs, &s.n_srcs); |
939ff267 | 3618 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 3619 | &s.dsts, &s.n_dsts); |
064af421 BP |
3620 | } |
3621 | ||
fa066f01 BP |
3622 | /* Get VLAN selection. */ |
3623 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
3624 | ||
3625 | /* Configure. */ | |
3626 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
3627 | ||
064af421 | 3628 | /* Clean up. */ |
fa066f01 BP |
3629 | if (s.srcs != s.dsts) { |
3630 | free(s.dsts); | |
3631 | } | |
3632 | free(s.srcs); | |
3633 | free(s.src_vlans); | |
3634 | ||
3635 | return true; | |
064af421 | 3636 | } |
52a90c29 BP |
3637 | \f |
3638 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
3639 | * | |
3640 | * This is deprecated. It is only for compatibility with broken device drivers | |
3641 | * in old versions of Linux that do not properly support VLANs when VLAN | |
3642 | * devices are not used. When broken device drivers are no longer in | |
3643 | * widespread use, we will delete these interfaces. */ | |
3644 | ||
37344ffa EJ |
3645 | static struct ovsrec_port **recs; |
3646 | static size_t n_recs, allocated_recs; | |
52a90c29 | 3647 | |
37344ffa EJ |
3648 | /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN |
3649 | * splinters are reconfigured. */ | |
52a90c29 | 3650 | static void |
37344ffa | 3651 | register_rec(struct ovsrec_port *rec) |
52a90c29 | 3652 | { |
37344ffa EJ |
3653 | if (n_recs >= allocated_recs) { |
3654 | recs = x2nrealloc(recs, &allocated_recs, sizeof *recs); | |
52a90c29 | 3655 | } |
37344ffa | 3656 | recs[n_recs++] = rec; |
52a90c29 BP |
3657 | } |
3658 | ||
37344ffa | 3659 | /* Frees all of the ports registered with register_reg(). */ |
52a90c29 | 3660 | static void |
37344ffa | 3661 | free_registered_recs(void) |
52a90c29 BP |
3662 | { |
3663 | size_t i; | |
3664 | ||
37344ffa EJ |
3665 | for (i = 0; i < n_recs; i++) { |
3666 | struct ovsrec_port *port = recs[i]; | |
3667 | size_t j; | |
3668 | ||
3669 | for (j = 0; j < port->n_interfaces; j++) { | |
3670 | struct ovsrec_interface *iface = port->interfaces[j]; | |
3671 | free(iface->name); | |
3672 | free(iface); | |
3673 | } | |
3674 | ||
a699f614 | 3675 | smap_destroy(&port->other_config); |
37344ffa EJ |
3676 | free(port->interfaces); |
3677 | free(port->name); | |
3678 | free(port->tag); | |
37344ffa | 3679 | free(port); |
52a90c29 | 3680 | } |
37344ffa | 3681 | n_recs = 0; |
52a90c29 BP |
3682 | } |
3683 | ||
3684 | /* Returns true if VLAN splinters are enabled on 'iface_cfg', false | |
3685 | * otherwise. */ | |
3686 | static bool | |
3687 | vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg) | |
3688 | { | |
a699f614 EJ |
3689 | return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters", |
3690 | false); | |
52a90c29 BP |
3691 | } |
3692 | ||
3693 | /* Figures out the set of VLANs that are in use for the purpose of VLAN | |
3694 | * splinters. | |
3695 | * | |
3696 | * If VLAN splinters are enabled on at least one interface and any VLANs are in | |
3697 | * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and | |
3698 | * 4095 will not be set). The caller is responsible for freeing the bitmap, | |
3699 | * with free(). | |
3700 | * | |
3701 | * If VLANs splinters are not enabled on any interface or if no VLANs are in | |
3702 | * use, returns NULL. | |
3703 | * | |
3704 | * Updates 'vlan_splinters_enabled_anywhere'. */ | |
3705 | static unsigned long int * | |
3706 | collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg) | |
3707 | { | |
3708 | unsigned long int *splinter_vlans; | |
3709 | struct sset splinter_ifaces; | |
3710 | const char *real_dev_name; | |
3711 | struct shash *real_devs; | |
3712 | struct shash_node *node; | |
3713 | struct bridge *br; | |
3714 | size_t i; | |
3715 | ||
7c70698f BP |
3716 | /* Free space allocated for synthesized ports and interfaces, since we're |
3717 | * in the process of reconstructing all of them. */ | |
37344ffa | 3718 | free_registered_recs(); |
7c70698f | 3719 | |
45c580a3 | 3720 | splinter_vlans = bitmap_allocate(4096); |
52a90c29 | 3721 | sset_init(&splinter_ifaces); |
45c580a3 | 3722 | vlan_splinters_enabled_anywhere = false; |
52a90c29 BP |
3723 | for (i = 0; i < ovs_cfg->n_bridges; i++) { |
3724 | struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i]; | |
3725 | size_t j; | |
3726 | ||
3727 | for (j = 0; j < br_cfg->n_ports; j++) { | |
3728 | struct ovsrec_port *port_cfg = br_cfg->ports[j]; | |
3729 | int k; | |
3730 | ||
3731 | for (k = 0; k < port_cfg->n_interfaces; k++) { | |
3732 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k]; | |
3733 | ||
3734 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
45c580a3 | 3735 | vlan_splinters_enabled_anywhere = true; |
52a90c29 | 3736 | sset_add(&splinter_ifaces, iface_cfg->name); |
52a90c29 BP |
3737 | vlan_bitmap_from_array__(port_cfg->trunks, |
3738 | port_cfg->n_trunks, | |
3739 | splinter_vlans); | |
3740 | } | |
3741 | } | |
45c580a3 BP |
3742 | |
3743 | if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) { | |
3744 | bitmap_set1(splinter_vlans, *port_cfg->tag); | |
3745 | } | |
52a90c29 BP |
3746 | } |
3747 | } | |
3748 | ||
45c580a3 BP |
3749 | if (!vlan_splinters_enabled_anywhere) { |
3750 | free(splinter_vlans); | |
52a90c29 BP |
3751 | sset_destroy(&splinter_ifaces); |
3752 | return NULL; | |
3753 | } | |
3754 | ||
3755 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
3756 | if (br->ofproto) { | |
3757 | ofproto_get_vlan_usage(br->ofproto, splinter_vlans); | |
3758 | } | |
3759 | } | |
3760 | ||
3761 | /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on | |
3762 | * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN | |
3763 | * device to be created for it. */ | |
3764 | bitmap_set0(splinter_vlans, 0); | |
3765 | bitmap_set0(splinter_vlans, 4095); | |
3766 | ||
3767 | /* Delete all VLAN devices that we don't need. */ | |
3768 | vlandev_refresh(); | |
3769 | real_devs = vlandev_get_real_devs(); | |
3770 | SHASH_FOR_EACH (node, real_devs) { | |
3771 | const struct vlan_real_dev *real_dev = node->data; | |
3772 | const struct vlan_dev *vlan_dev; | |
3773 | bool real_dev_has_splinters; | |
3774 | ||
3775 | real_dev_has_splinters = sset_contains(&splinter_ifaces, | |
3776 | real_dev->name); | |
3777 | HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) { | |
3778 | if (!real_dev_has_splinters | |
3779 | || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) { | |
3780 | struct netdev *netdev; | |
3781 | ||
3782 | if (!netdev_open(vlan_dev->name, "system", &netdev)) { | |
3783 | if (!netdev_get_in4(netdev, NULL, NULL) || | |
3784 | !netdev_get_in6(netdev, NULL)) { | |
3785 | vlandev_del(vlan_dev->name); | |
3786 | } else { | |
3787 | /* It has an IP address configured, so we don't own | |
3788 | * it. Don't delete it. */ | |
3789 | } | |
3790 | netdev_close(netdev); | |
3791 | } | |
3792 | } | |
3793 | ||
3794 | } | |
3795 | } | |
3796 | ||
3797 | /* Add all VLAN devices that we need. */ | |
3798 | SSET_FOR_EACH (real_dev_name, &splinter_ifaces) { | |
3799 | int vid; | |
3800 | ||
3801 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
3802 | if (!vlandev_get_name(real_dev_name, vid)) { | |
3803 | vlandev_add(real_dev_name, vid); | |
3804 | } | |
3805 | } | |
3806 | } | |
3807 | ||
3808 | vlandev_refresh(); | |
3809 | ||
3810 | sset_destroy(&splinter_ifaces); | |
3811 | ||
3812 | if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) { | |
3813 | free(splinter_vlans); | |
3814 | return NULL; | |
3815 | } | |
3816 | return splinter_vlans; | |
3817 | } | |
3818 | ||
3819 | /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to | |
3820 | * ofproto. */ | |
3821 | static void | |
3822 | configure_splinter_port(struct port *port) | |
3823 | { | |
3824 | struct ofproto *ofproto = port->bridge->ofproto; | |
3825 | uint16_t realdev_ofp_port; | |
3826 | const char *realdev_name; | |
3827 | struct iface *vlandev, *realdev; | |
3828 | ||
3829 | ofproto_bundle_unregister(port->bridge->ofproto, port); | |
3830 | ||
3831 | vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface, | |
3832 | port_elem); | |
3833 | ||
a699f614 | 3834 | realdev_name = smap_get(&port->cfg->other_config, "realdev"); |
52a90c29 BP |
3835 | realdev = iface_lookup(port->bridge, realdev_name); |
3836 | realdev_ofp_port = realdev ? realdev->ofp_port : 0; | |
3837 | ||
3838 | ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port, | |
3839 | *port->cfg->tag); | |
3840 | } | |
3841 | ||
3842 | static struct ovsrec_port * | |
3843 | synthesize_splinter_port(const char *real_dev_name, | |
3844 | const char *vlan_dev_name, int vid) | |
3845 | { | |
3846 | struct ovsrec_interface *iface; | |
3847 | struct ovsrec_port *port; | |
3848 | ||
a699f614 EJ |
3849 | iface = xmalloc(sizeof *iface); |
3850 | ovsrec_interface_init(iface); | |
52a90c29 BP |
3851 | iface->name = xstrdup(vlan_dev_name); |
3852 | iface->type = "system"; | |
3853 | ||
a699f614 EJ |
3854 | port = xmalloc(sizeof *port); |
3855 | ovsrec_port_init(port); | |
52a90c29 BP |
3856 | port->interfaces = xmemdup(&iface, sizeof iface); |
3857 | port->n_interfaces = 1; | |
3858 | port->name = xstrdup(vlan_dev_name); | |
3859 | port->vlan_mode = "splinter"; | |
3860 | port->tag = xmalloc(sizeof *port->tag); | |
3861 | *port->tag = vid; | |
a699f614 EJ |
3862 | |
3863 | smap_add(&port->other_config, "realdev", real_dev_name); | |
52a90c29 | 3864 | |
37344ffa | 3865 | register_rec(port); |
52a90c29 BP |
3866 | return port; |
3867 | } | |
3868 | ||
3869 | /* For each interface with 'br' that has VLAN splinters enabled, adds a | |
3870 | * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a | |
3871 | * 1-bit in the 'splinter_vlans' bitmap. */ | |
3872 | static void | |
3873 | add_vlan_splinter_ports(struct bridge *br, | |
3874 | const unsigned long int *splinter_vlans, | |
3875 | struct shash *ports) | |
3876 | { | |
3877 | size_t i; | |
3878 | ||
52a90c29 BP |
3879 | /* We iterate through 'br->cfg->ports' instead of 'ports' here because |
3880 | * we're modifying 'ports'. */ | |
3881 | for (i = 0; i < br->cfg->n_ports; i++) { | |
3882 | const char *name = br->cfg->ports[i]->name; | |
3883 | struct ovsrec_port *port_cfg = shash_find_data(ports, name); | |
3884 | size_t j; | |
3885 | ||
3886 | for (j = 0; j < port_cfg->n_interfaces; j++) { | |
3887 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j]; | |
3888 | ||
3889 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
3890 | const char *real_dev_name; | |
3891 | uint16_t vid; | |
3892 | ||
3893 | real_dev_name = iface_cfg->name; | |
3894 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
3895 | const char *vlan_dev_name; | |
3896 | ||
3897 | vlan_dev_name = vlandev_get_name(real_dev_name, vid); | |
3898 | if (vlan_dev_name | |
3899 | && !shash_find(ports, vlan_dev_name)) { | |
3900 | shash_add(ports, vlan_dev_name, | |
3901 | synthesize_splinter_port( | |
3902 | real_dev_name, vlan_dev_name, vid)); | |
3903 | } | |
3904 | } | |
3905 | } | |
3906 | } | |
3907 | } | |
3908 | } | |
9d24de3b JP |
3909 | |
3910 | static void | |
3911 | mirror_refresh_stats(struct mirror *m) | |
3912 | { | |
3913 | struct ofproto *ofproto = m->bridge->ofproto; | |
3914 | uint64_t tx_packets, tx_bytes; | |
3915 | char *keys[2]; | |
3916 | int64_t values[2]; | |
3917 | size_t stat_cnt = 0; | |
3918 | ||
3919 | if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) { | |
3920 | ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0); | |
3921 | return; | |
3922 | } | |
3923 | ||
3924 | if (tx_packets != UINT64_MAX) { | |
3925 | keys[stat_cnt] = "tx_packets"; | |
3926 | values[stat_cnt] = tx_packets; | |
3927 | stat_cnt++; | |
3928 | } | |
3929 | if (tx_bytes != UINT64_MAX) { | |
3930 | keys[stat_cnt] = "tx_bytes"; | |
3931 | values[stat_cnt] = tx_bytes; | |
3932 | stat_cnt++; | |
3933 | } | |
3934 | ||
3935 | ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt); | |
3936 | } |