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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" |
064af421 | 44 | #include "socket-util.h" |
5bd31620 | 45 | #include "stream.h" |
fe55ad15 | 46 | #include "stream-ssl.h" |
b3c01ed3 | 47 | #include "sset.h" |
ce887677 | 48 | #include "system-stats.h" |
064af421 BP |
49 | #include "timeval.h" |
50 | #include "util.h" | |
da285df4 | 51 | #include "unixctl.h" |
52a90c29 | 52 | #include "vlandev.h" |
eaa67ba8 | 53 | #include "lib/vswitch-idl.h" |
064af421 | 54 | #include "xenserver.h" |
5136ce49 | 55 | #include "vlog.h" |
72b06300 | 56 | #include "sflow_api.h" |
0fb7b915 | 57 | #include "vlan-bitmap.h" |
064af421 | 58 | |
d98e6007 | 59 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 60 | |
d76f09ea BP |
61 | COVERAGE_DEFINE(bridge_reconfigure); |
62 | ||
bae7208e EJ |
63 | /* Configuration of an uninstantiated iface. */ |
64 | struct if_cfg { | |
65 | struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */ | |
66 | const struct ovsrec_interface *cfg; /* Interface record. */ | |
67 | const struct ovsrec_port *parent; /* Parent port record. */ | |
68 | }; | |
69 | ||
70 | /* OpenFlow port slated for removal from ofproto. */ | |
71 | struct ofpp_garbage { | |
72 | struct list list_node; /* Node in bridge's ofpp_garbage. */ | |
73 | uint16_t ofp_port; /* Port to be deleted. */ | |
74 | }; | |
75 | ||
064af421 | 76 | struct iface { |
0c6aea3f | 77 | /* These members are always valid. */ |
83db7968 | 78 | struct list port_elem; /* Element in struct port's "ifaces" list. */ |
ebea37cc | 79 | struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */ |
064af421 | 80 | struct port *port; /* Containing port. */ |
064af421 | 81 | char *name; /* Host network device name. */ |
064af421 | 82 | |
0c6aea3f | 83 | /* These members are valid only after bridge_reconfigure() causes them to |
1e0b752d | 84 | * be initialized. */ |
892815f5 BP |
85 | struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */ |
86 | int ofp_port; /* OpenFlow port number, -1 if unknown. */ | |
0c6aea3f | 87 | struct netdev *netdev; /* Network device. */ |
6cefe1da | 88 | const char *type; /* Usually same as cfg->type. */ |
76343538 | 89 | const struct ovsrec_interface *cfg; |
064af421 BP |
90 | }; |
91 | ||
064af421 | 92 | struct mirror { |
fa066f01 BP |
93 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
94 | struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */ | |
064af421 | 95 | struct bridge *bridge; |
064af421 | 96 | char *name; |
9d24de3b | 97 | const struct ovsrec_mirror *cfg; |
064af421 BP |
98 | }; |
99 | ||
064af421 | 100 | struct port { |
8052fb14 | 101 | struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */ |
6e492d81 | 102 | struct bridge *bridge; |
8052fb14 BP |
103 | char *name; |
104 | ||
1e0b752d | 105 | const struct ovsrec_port *cfg; |
064af421 BP |
106 | |
107 | /* An ordinary bridge port has 1 interface. | |
108 | * A bridge port for bonding has at least 2 interfaces. */ | |
83db7968 | 109 | struct list ifaces; /* List of "struct iface"s. */ |
064af421 BP |
110 | }; |
111 | ||
064af421 | 112 | struct bridge { |
764072fd | 113 | struct hmap_node node; /* In 'all_bridges'. */ |
064af421 | 114 | char *name; /* User-specified arbitrary name. */ |
66da9bef | 115 | char *type; /* Datapath type. */ |
abe457eb | 116 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 117 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 118 | const struct ovsrec_bridge *cfg; |
064af421 | 119 | |
064af421 BP |
120 | /* OpenFlow switch processing. */ |
121 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
122 | ||
064af421 | 123 | /* Bridge ports. */ |
8052fb14 | 124 | struct hmap ports; /* "struct port"s indexed by name. */ |
892815f5 | 125 | struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */ |
ebea37cc | 126 | struct hmap iface_by_name; /* "struct iface"s indexed by name. */ |
064af421 | 127 | |
bae7208e EJ |
128 | struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */ |
129 | struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation. | |
130 | Indexed on 'cfg->name'. */ | |
131 | ||
064af421 | 132 | /* Port mirroring. */ |
fa066f01 | 133 | struct hmap mirrors; /* "struct mirror" indexed by UUID. */ |
cfea354b BP |
134 | |
135 | /* Synthetic local port if necessary. */ | |
136 | struct ovsrec_port synth_local_port; | |
137 | struct ovsrec_interface synth_local_iface; | |
138 | struct ovsrec_interface *synth_local_ifacep; | |
064af421 BP |
139 | }; |
140 | ||
764072fd BP |
141 | /* All bridges, indexed by name. */ |
142 | static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); | |
064af421 | 143 | |
c5187f17 BP |
144 | /* OVSDB IDL used to obtain configuration. */ |
145 | static struct ovsdb_idl *idl; | |
146 | ||
854a94d9 BP |
147 | /* Most recently processed IDL sequence number. */ |
148 | static unsigned int idl_seqno; | |
149 | ||
cd0cd65f BP |
150 | /* Each time this timer expires, the bridge fetches systems and interface |
151 | * statistics and pushes them into the database. */ | |
152 | #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */ | |
153 | static long long int stats_timer = LLONG_MIN; | |
018f1525 | 154 | |
815cd583 EJ |
155 | /* Stores the time after which rate limited statistics may be written to the |
156 | * database. Only updated when changes to the database require rate limiting. | |
157 | */ | |
158 | #define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */ | |
159 | static long long int db_limiter = LLONG_MIN; | |
6586adf5 | 160 | |
c7e7bb21 EJ |
161 | /* In some datapaths, creating and destroying OpenFlow ports can be extremely |
162 | * expensive. This can cause bridge_reconfigure() to take a long time during | |
163 | * which no other work can be done. To deal with this problem, we limit port | |
164 | * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per | |
165 | * call to bridge_reconfigure(). If there is more work to do after the limit | |
166 | * is reached, 'need_reconfigure', is flagged and it's done on the next loop. | |
167 | * This allows the rest of the code to catch up on important things like | |
168 | * forwarding packets. */ | |
169 | #define OFP_PORT_ACTION_WINDOW 10 | |
bae7208e | 170 | static bool reconfiguring = false; |
c7e7bb21 | 171 | |
66da9bef | 172 | static void add_del_bridges(const struct ovsrec_open_vswitch *); |
bae7208e | 173 | static void bridge_update_ofprotos(void); |
66da9bef | 174 | static void bridge_create(const struct ovsrec_bridge *); |
064af421 BP |
175 | static void bridge_destroy(struct bridge *); |
176 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 177 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 178 | static unixctl_cb_func bridge_unixctl_reconnect; |
1a048029 | 179 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 180 | struct ovsrec_controller ***controllersp); |
52a90c29 BP |
181 | static void bridge_add_del_ports(struct bridge *, |
182 | const unsigned long int *splinter_vlans); | |
892815f5 | 183 | static void bridge_refresh_ofp_port(struct bridge *); |
6f90b8f4 | 184 | static void bridge_configure_datapath_id(struct bridge *); |
084f5290 | 185 | static void bridge_configure_flow_eviction_threshold(struct bridge *); |
6f90b8f4 | 186 | static void bridge_configure_netflow(struct bridge *); |
8402c74b | 187 | static void bridge_configure_forward_bpdu(struct bridge *); |
e764773c | 188 | static void bridge_configure_mac_idle_time(struct bridge *); |
6f90b8f4 | 189 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); |
21f7563c | 190 | static void bridge_configure_stp(struct bridge *); |
254750ce | 191 | static void bridge_configure_tables(struct bridge *); |
fa066f01 BP |
192 | static void bridge_configure_remotes(struct bridge *, |
193 | const struct sockaddr_in *managers, | |
194 | size_t n_managers); | |
064af421 BP |
195 | static void bridge_pick_local_hw_addr(struct bridge *, |
196 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 197 | struct iface **hw_addr_iface); |
064af421 BP |
198 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
199 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 200 | struct iface *hw_addr_iface); |
bae7208e EJ |
201 | static void bridge_queue_if_cfg(struct bridge *, |
202 | const struct ovsrec_interface *, | |
203 | const struct ovsrec_port *); | |
064af421 | 204 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
205 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
206 | const char *name); | |
207 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 208 | |
e8fe3026 | 209 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 210 | |
66da9bef | 211 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
66da9bef | 212 | static void port_del_ifaces(struct port *); |
064af421 BP |
213 | static void port_destroy(struct port *); |
214 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
215 | static void port_configure(struct port *); |
216 | static struct lacp_settings *port_configure_lacp(struct port *, | |
217 | struct lacp_settings *); | |
76ed83fc BP |
218 | static void port_configure_bond(struct port *, struct bond_settings *, |
219 | uint32_t *bond_stable_ids); | |
06b592bc | 220 | static bool port_is_synthetic(const struct port *); |
fa066f01 BP |
221 | |
222 | static void bridge_configure_mirrors(struct bridge *); | |
223 | static struct mirror *mirror_create(struct bridge *, | |
224 | const struct ovsrec_mirror *); | |
064af421 | 225 | static void mirror_destroy(struct mirror *); |
9d24de3b JP |
226 | static bool mirror_configure(struct mirror *); |
227 | static void mirror_refresh_stats(struct mirror *); | |
064af421 | 228 | |
fa066f01 | 229 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
01546f5d | 230 | static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port); |
b54441b3 BP |
231 | static const char *iface_get_type(const struct ovsrec_interface *, |
232 | const struct ovsrec_bridge *); | |
064af421 BP |
233 | static void iface_destroy(struct iface *); |
234 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 235 | static struct iface *iface_find(const char *name); |
bae7208e | 236 | static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name); |
892815f5 BP |
237 | static struct iface *iface_from_ofp_port(const struct bridge *, |
238 | uint16_t ofp_port); | |
52df17e7 | 239 | static void iface_set_mac(struct iface *); |
bcd49a45 | 240 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
3fc5a86a | 241 | static void iface_clear_db_record(const struct ovsrec_interface *if_cfg); |
66da9bef BP |
242 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
243 | static void iface_configure_cfm(struct iface *); | |
8f3fe844 | 244 | static void iface_refresh_cfm_stats(struct iface *); |
1101a0b4 AE |
245 | static void iface_refresh_stats(struct iface *); |
246 | static void iface_refresh_status(struct iface *); | |
cfea354b | 247 | static bool iface_is_synthetic(const struct iface *); |
43776b8f BP |
248 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
249 | struct shash *); | |
ea763e0e EJ |
250 | static void shash_to_ovs_idl_map(struct shash *, |
251 | char ***keys, char ***values, size_t *n); | |
52a90c29 BP |
252 | |
253 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
254 | * | |
255 | * This is deprecated. It is only for compatibility with broken device drivers | |
256 | * in old versions of Linux that do not properly support VLANs when VLAN | |
257 | * devices are not used. When broken device drivers are no longer in | |
258 | * widespread use, we will delete these interfaces. */ | |
259 | ||
260 | /* True if VLAN splinters are enabled on any interface, false otherwise.*/ | |
261 | static bool vlan_splinters_enabled_anywhere; | |
262 | ||
263 | static bool vlan_splinters_is_enabled(const struct ovsrec_interface *); | |
264 | static unsigned long int *collect_splinter_vlans( | |
265 | const struct ovsrec_open_vswitch *); | |
266 | static void configure_splinter_port(struct port *); | |
267 | static void add_vlan_splinter_ports(struct bridge *, | |
268 | const unsigned long int *splinter_vlans, | |
269 | struct shash *ports); | |
064af421 BP |
270 | \f |
271 | /* Public functions. */ | |
272 | ||
c5187f17 BP |
273 | /* Initializes the bridge module, configuring it to obtain its configuration |
274 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
275 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 276 | void |
c5187f17 BP |
277 | bridge_init(const char *remote) |
278 | { | |
279 | /* Create connection to database. */ | |
ef73f86c | 280 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
854a94d9 | 281 | idl_seqno = ovsdb_idl_get_seqno(idl); |
06b6d651 | 282 | ovsdb_idl_set_lock(idl, "ovs_vswitchd"); |
c5187f17 | 283 | |
ef73f86c BP |
284 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
285 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 286 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
287 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
288 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
289 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
290 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 291 | |
62f3aaed | 292 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
21f7563c | 293 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status); |
e85bbd75 BP |
294 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
295 | ||
21f7563c | 296 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status); |
80740385 | 297 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics); |
e85bbd75 BP |
298 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); |
299 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
300 | ||
62f3aaed BP |
301 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
302 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
303 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
304 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
65c3058c | 305 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets); |
62f3aaed | 306 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); |
ef73f86c BP |
307 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
308 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 309 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
b4117094 | 310 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault); |
b9380396 | 311 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status); |
1de11730 | 312 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids); |
3967a833 | 313 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health); |
b4117094 | 314 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current); |
e85bbd75 BP |
315 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
316 | ||
62f3aaed BP |
317 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
318 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
319 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
320 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
321 | ||
62f3aaed BP |
322 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); |
323 | ||
324 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
325 | ||
326 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
9d24de3b | 327 | ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics); |
62f3aaed BP |
328 | |
329 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
330 | ||
331 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
332 | ||
333 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
334 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
335 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
336 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
337 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
338 | ||
339 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
340 | ||
c5187f17 | 341 | /* Register unixctl commands. */ |
0e15264f BP |
342 | unixctl_command_register("qos/show", "interface", 1, 1, |
343 | qos_unixctl_show, NULL); | |
344 | unixctl_command_register("bridge/dump-flows", "bridge", 1, 1, | |
7ff2009a | 345 | bridge_unixctl_dump_flows, NULL); |
0e15264f | 346 | unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1, |
7ff2009a | 347 | bridge_unixctl_reconnect, NULL); |
5827ce14 | 348 | lacp_init(); |
c5187f17 | 349 | bond_init(); |
9ac3fce4 | 350 | cfm_init(); |
fe4a02e4 | 351 | stp_init(); |
c5187f17 BP |
352 | } |
353 | ||
ee45ad81 BP |
354 | void |
355 | bridge_exit(void) | |
356 | { | |
357 | struct bridge *br, *next_br; | |
358 | ||
764072fd | 359 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
360 | bridge_destroy(br); |
361 | } | |
362 | ovsdb_idl_destroy(idl); | |
363 | } | |
364 | ||
cd11000b BP |
365 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
366 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
367 | * responsible for freeing '*managersp' (with free()). | |
368 | * | |
369 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
370 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
371 | * should not be and in fact is not directly involved in that. But | |
372 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
373 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 374 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
375 | */ |
376 | static void | |
94db5407 BP |
377 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
378 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
379 | { |
380 | struct sockaddr_in *managers = NULL; | |
381 | size_t n_managers = 0; | |
b3c01ed3 | 382 | struct sset targets; |
94db5407 BP |
383 | size_t i; |
384 | ||
289df16d AE |
385 | /* Collect all of the potential targets from the "targets" columns of the |
386 | * rows pointed to by "manager_options", excluding any that are | |
387 | * out-of-band. */ | |
b3c01ed3 | 388 | sset_init(&targets); |
94db5407 BP |
389 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
390 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
391 | ||
392 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 393 | sset_find_and_delete(&targets, m->target); |
94db5407 | 394 | } else { |
b3c01ed3 | 395 | sset_add(&targets, m->target); |
94db5407 BP |
396 | } |
397 | } | |
cd11000b | 398 | |
94db5407 | 399 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
400 | if (!sset_is_empty(&targets)) { |
401 | const char *target; | |
cd11000b | 402 | |
b3c01ed3 BP |
403 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
404 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 405 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 406 | |
ac4c900d AA |
407 | if (stream_parse_target_with_default_ports(target, |
408 | JSONRPC_TCP_PORT, | |
409 | JSONRPC_SSL_PORT, | |
410 | sin)) { | |
cd11000b BP |
411 | n_managers++; |
412 | } | |
413 | } | |
414 | } | |
b3c01ed3 | 415 | sset_destroy(&targets); |
cd11000b BP |
416 | |
417 | *managersp = managers; | |
418 | *n_managersp = n_managers; | |
419 | } | |
420 | ||
c5187f17 | 421 | static void |
76343538 | 422 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 423 | { |
52a90c29 | 424 | unsigned long int *splinter_vlans; |
bae7208e | 425 | struct bridge *br; |
064af421 BP |
426 | |
427 | COVERAGE_INC(bridge_reconfigure); | |
428 | ||
bae7208e EJ |
429 | assert(!reconfiguring); |
430 | reconfiguring = true; | |
c7e7bb21 | 431 | |
bae7208e EJ |
432 | /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according |
433 | * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal | |
434 | * configuration otherwise. | |
66da9bef | 435 | * |
bae7208e EJ |
436 | * This is mostly an update to bridge data structures. Nothing is pushed |
437 | * down to ofproto or lower layers. */ | |
66da9bef | 438 | add_del_bridges(ovs_cfg); |
52a90c29 | 439 | splinter_vlans = collect_splinter_vlans(ovs_cfg); |
764072fd | 440 | HMAP_FOR_EACH (br, node, &all_bridges) { |
52a90c29 | 441 | bridge_add_del_ports(br, splinter_vlans); |
76343538 | 442 | } |
52a90c29 | 443 | free(splinter_vlans); |
064af421 | 444 | |
bae7208e EJ |
445 | /* Delete datapaths that are no longer configured, and create ones which |
446 | * don't exist but should. */ | |
447 | bridge_update_ofprotos(); | |
448 | ||
449 | /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */ | |
764072fd | 450 | HMAP_FOR_EACH (br, node, &all_bridges) { |
bae7208e EJ |
451 | bridge_refresh_ofp_port(br); |
452 | } | |
453 | ||
454 | /* Clear database records for "if_cfg"s which haven't been instantiated. */ | |
455 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
456 | struct if_cfg *if_cfg; | |
457 | ||
458 | HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) { | |
459 | iface_clear_db_record(if_cfg->cfg); | |
76343538 | 460 | } |
064af421 | 461 | } |
bae7208e | 462 | } |
064af421 | 463 | |
bae7208e EJ |
464 | static bool |
465 | bridge_reconfigure_ofp(void) | |
466 | { | |
467 | long long int deadline; | |
468 | struct bridge *br; | |
469 | ||
470 | time_refresh(); | |
471 | deadline = time_msec() + OFP_PORT_ACTION_WINDOW; | |
472 | ||
473 | /* The kernel will reject any attempt to add a given port to a datapath if | |
474 | * that port already belongs to a different datapath, so we must do all | |
475 | * port deletions before any port additions. */ | |
476 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
477 | struct ofpp_garbage *garbage, *next; | |
478 | ||
479 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) { | |
480 | ofproto_port_del(br->ofproto, garbage->ofp_port); | |
481 | list_remove(&garbage->list_node); | |
482 | free(garbage); | |
483 | ||
484 | time_refresh(); | |
485 | if (time_msec() >= deadline) { | |
486 | return false; | |
e56365a5 | 487 | } |
064af421 BP |
488 | } |
489 | } | |
bae7208e | 490 | |
e8192d80 | 491 | HMAP_FOR_EACH (br, node, &all_bridges) { |
bae7208e EJ |
492 | struct if_cfg *if_cfg, *next; |
493 | ||
494 | HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) { | |
495 | iface_create(br, if_cfg, -1); | |
496 | time_refresh(); | |
497 | if (time_msec() >= deadline) { | |
498 | return false; | |
499 | } | |
500 | } | |
064af421 | 501 | } |
064af421 | 502 | |
bae7208e EJ |
503 | return true; |
504 | } | |
505 | ||
506 | static bool | |
507 | bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg) | |
508 | { | |
509 | struct sockaddr_in *managers; | |
510 | int sflow_bridge_number; | |
511 | size_t n_managers; | |
512 | struct bridge *br; | |
513 | bool done; | |
514 | ||
515 | assert(reconfiguring); | |
516 | done = bridge_reconfigure_ofp(); | |
517 | ||
66da9bef BP |
518 | /* Complete the configuration. */ |
519 | sflow_bridge_number = 0; | |
520 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 521 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 522 | struct port *port; |
064af421 | 523 | |
f145afdc BP |
524 | /* We need the datapath ID early to allow LACP ports to use it as the |
525 | * default system ID. */ | |
526 | bridge_configure_datapath_id(br); | |
527 | ||
8052fb14 | 528 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 529 | struct iface *iface; |
52df17e7 | 530 | |
fa066f01 | 531 | port_configure(port); |
c1c9c9c4 | 532 | |
48e1b7fb | 533 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
66da9bef BP |
534 | iface_configure_cfm(iface); |
535 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 536 | iface_set_mac(iface); |
064af421 BP |
537 | } |
538 | } | |
fa066f01 | 539 | bridge_configure_mirrors(br); |
084f5290 | 540 | bridge_configure_flow_eviction_threshold(br); |
8402c74b | 541 | bridge_configure_forward_bpdu(br); |
e764773c | 542 | bridge_configure_mac_idle_time(br); |
fa066f01 | 543 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
544 | bridge_configure_netflow(br); |
545 | bridge_configure_sflow(br, &sflow_bridge_number); | |
21f7563c | 546 | bridge_configure_stp(br); |
254750ce | 547 | bridge_configure_tables(br); |
064af421 | 548 | } |
66da9bef | 549 | free(managers); |
064af421 | 550 | |
bae7208e | 551 | if (done) { |
c7e7bb21 EJ |
552 | /* ovs-vswitchd has completed initialization, so allow the process that |
553 | * forked us to exit successfully. */ | |
554 | daemonize_complete(); | |
bae7208e | 555 | reconfiguring = false; |
c7e7bb21 | 556 | } |
bae7208e EJ |
557 | |
558 | return done; | |
66da9bef | 559 | } |
064af421 | 560 | |
bae7208e EJ |
561 | /* Delete ofprotos which aren't configured or have the wrong type. Create |
562 | * ofprotos which don't exist but need to. */ | |
66da9bef | 563 | static void |
bae7208e | 564 | bridge_update_ofprotos(void) |
66da9bef | 565 | { |
bae7208e | 566 | struct bridge *br, *next; |
f79e673f BP |
567 | struct sset names; |
568 | struct sset types; | |
66da9bef | 569 | const char *type; |
6c88d577 | 570 | |
bae7208e | 571 | /* Delete ofprotos with no bridge or with the wrong type. */ |
f79e673f BP |
572 | sset_init(&names); |
573 | sset_init(&types); | |
574 | ofproto_enumerate_types(&types); | |
575 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 576 | const char *name; |
3a6ccc8c | 577 | |
f79e673f BP |
578 | ofproto_enumerate_names(type, &names); |
579 | SSET_FOR_EACH (name, &names) { | |
bae7208e | 580 | br = bridge_lookup(name); |
66da9bef | 581 | if (!br || strcmp(type, br->type)) { |
f79e673f | 582 | ofproto_delete(name, type); |
3a6ccc8c | 583 | } |
b31bcf60 EJ |
584 | } |
585 | } | |
f79e673f BP |
586 | sset_destroy(&names); |
587 | sset_destroy(&types); | |
76343538 | 588 | |
bae7208e EJ |
589 | /* Add ofprotos for bridges which don't have one yet. */ |
590 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
591 | struct bridge *br2; | |
592 | int error; | |
593 | ||
594 | if (br->ofproto) { | |
595 | continue; | |
596 | } | |
597 | ||
598 | /* Remove ports from any datapath with the same name as 'br'. If we | |
599 | * don't do this, creating 'br''s ofproto will fail because a port with | |
600 | * the same name as its local port already exists. */ | |
601 | HMAP_FOR_EACH (br2, node, &all_bridges) { | |
602 | struct ofproto_port ofproto_port; | |
603 | ||
604 | if (!br2->ofproto) { | |
605 | continue; | |
606 | } | |
607 | ||
608 | if (!ofproto_port_query_by_name(br2->ofproto, br->name, | |
609 | &ofproto_port)) { | |
610 | error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port); | |
611 | if (error) { | |
612 | VLOG_ERR("failed to delete port %s: %s", ofproto_port.name, | |
613 | strerror(error)); | |
614 | } | |
615 | ofproto_port_destroy(&ofproto_port); | |
616 | } | |
617 | } | |
618 | ||
619 | error = ofproto_create(br->name, br->type, &br->ofproto); | |
620 | if (error) { | |
621 | VLOG_ERR("failed to create bridge %s: %s", br->name, | |
622 | strerror(error)); | |
623 | bridge_destroy(br); | |
624 | } | |
66da9bef | 625 | } |
093e47f4 | 626 | } |
c3827f61 | 627 | |
fa066f01 BP |
628 | static void |
629 | port_configure(struct port *port) | |
630 | { | |
631 | const struct ovsrec_port *cfg = port->cfg; | |
632 | struct bond_settings bond_settings; | |
633 | struct lacp_settings lacp_settings; | |
634 | struct ofproto_bundle_settings s; | |
635 | struct iface *iface; | |
82057f51 | 636 | |
52a90c29 BP |
637 | if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) { |
638 | configure_splinter_port(port); | |
639 | return; | |
640 | } | |
641 | ||
fa066f01 BP |
642 | /* Get name. */ |
643 | s.name = port->name; | |
3a6ccc8c | 644 | |
fa066f01 BP |
645 | /* Get slaves. */ |
646 | s.n_slaves = 0; | |
647 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
648 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 649 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 650 | } |
c3827f61 | 651 | |
fa066f01 BP |
652 | /* Get VLAN tag. */ |
653 | s.vlan = -1; | |
acaf1486 BP |
654 | if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) { |
655 | s.vlan = *cfg->tag; | |
fa066f01 | 656 | } |
b0ec0f27 | 657 | |
fa066f01 BP |
658 | /* Get VLAN trunks. */ |
659 | s.trunks = NULL; | |
ecac4ebf | 660 | if (cfg->n_trunks) { |
fa066f01 | 661 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); |
ecac4ebf BP |
662 | } |
663 | ||
664 | /* Get VLAN mode. */ | |
665 | if (cfg->vlan_mode) { | |
666 | if (!strcmp(cfg->vlan_mode, "access")) { | |
667 | s.vlan_mode = PORT_VLAN_ACCESS; | |
668 | } else if (!strcmp(cfg->vlan_mode, "trunk")) { | |
669 | s.vlan_mode = PORT_VLAN_TRUNK; | |
670 | } else if (!strcmp(cfg->vlan_mode, "native-tagged")) { | |
671 | s.vlan_mode = PORT_VLAN_NATIVE_TAGGED; | |
672 | } else if (!strcmp(cfg->vlan_mode, "native-untagged")) { | |
673 | s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED; | |
674 | } else { | |
675 | /* This "can't happen" because ovsdb-server should prevent it. */ | |
676 | VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode); | |
677 | s.vlan_mode = PORT_VLAN_TRUNK; | |
678 | } | |
679 | } else { | |
680 | if (s.vlan >= 0) { | |
681 | s.vlan_mode = PORT_VLAN_ACCESS; | |
682 | if (cfg->n_trunks) { | |
683 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
684 | port->name); | |
685 | } | |
686 | } else { | |
687 | s.vlan_mode = PORT_VLAN_TRUNK; | |
688 | } | |
064af421 | 689 | } |
f67f1354 | 690 | s.use_priority_tags = !strcmp("true", ovsrec_port_get_other_config_value( |
5e9ceccd | 691 | cfg, "priority-tags", "")); |
064af421 | 692 | |
fa066f01 BP |
693 | /* Get LACP settings. */ |
694 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
695 | if (s.lacp) { | |
696 | size_t i = 0; | |
064af421 | 697 | |
fa066f01 BP |
698 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
699 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
700 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 701 | } |
fa066f01 BP |
702 | } else { |
703 | s.lacp_slaves = NULL; | |
704 | } | |
064af421 | 705 | |
fa066f01 BP |
706 | /* Get bond settings. */ |
707 | if (s.n_slaves > 1) { | |
fa066f01 | 708 | s.bond = &bond_settings; |
76ed83fc BP |
709 | s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids); |
710 | port_configure_bond(port, &bond_settings, s.bond_stable_ids); | |
fa066f01 BP |
711 | } else { |
712 | s.bond = NULL; | |
76ed83fc | 713 | s.bond_stable_ids = NULL; |
1670c579 EJ |
714 | |
715 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
716 | netdev_set_miimon_interval(iface->netdev, 0); | |
717 | } | |
fa066f01 | 718 | } |
093e47f4 | 719 | |
fa066f01 BP |
720 | /* Register. */ |
721 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 722 | |
fa066f01 | 723 | /* Clean up. */ |
4e51de4c | 724 | free(s.slaves); |
fa066f01 BP |
725 | free(s.trunks); |
726 | free(s.lacp_slaves); | |
76ed83fc | 727 | free(s.bond_stable_ids); |
fa066f01 | 728 | } |
76343538 | 729 | |
6f90b8f4 BP |
730 | /* Pick local port hardware address and datapath ID for 'br'. */ |
731 | static void | |
732 | bridge_configure_datapath_id(struct bridge *br) | |
733 | { | |
734 | uint8_t ea[ETH_ADDR_LEN]; | |
735 | uint64_t dpid; | |
736 | struct iface *local_iface; | |
737 | struct iface *hw_addr_iface; | |
738 | char *dpid_string; | |
76343538 | 739 | |
6f90b8f4 | 740 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 741 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
742 | if (local_iface) { |
743 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
744 | if (error) { | |
745 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
746 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
747 | "Ethernet address: %s", | |
748 | br->name, strerror(error)); | |
749 | } | |
750 | } | |
751 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 752 | |
6f90b8f4 BP |
753 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
754 | ofproto_set_datapath_id(br->ofproto, dpid); | |
76343538 | 755 | |
6f90b8f4 BP |
756 | dpid_string = xasprintf("%016"PRIx64, dpid); |
757 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
758 | free(dpid_string); | |
759 | } | |
064af421 | 760 | |
6f90b8f4 BP |
761 | /* Set NetFlow configuration on 'br'. */ |
762 | static void | |
763 | bridge_configure_netflow(struct bridge *br) | |
764 | { | |
765 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
766 | struct netflow_options opts; | |
72b06300 | 767 | |
6f90b8f4 BP |
768 | if (!cfg) { |
769 | ofproto_set_netflow(br->ofproto, NULL); | |
770 | return; | |
771 | } | |
a4af0040 | 772 | |
6f90b8f4 | 773 | memset(&opts, 0, sizeof opts); |
72b06300 | 774 | |
6f90b8f4 BP |
775 | /* Get default NetFlow configuration from datapath. |
776 | * Apply overrides from 'cfg'. */ | |
777 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
778 | if (cfg->engine_type) { | |
779 | opts.engine_type = *cfg->engine_type; | |
780 | } | |
781 | if (cfg->engine_id) { | |
782 | opts.engine_id = *cfg->engine_id; | |
783 | } | |
72b06300 | 784 | |
6f90b8f4 BP |
785 | /* Configure active timeout interval. */ |
786 | opts.active_timeout = cfg->active_timeout; | |
787 | if (!opts.active_timeout) { | |
788 | opts.active_timeout = -1; | |
789 | } else if (opts.active_timeout < 0) { | |
790 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
791 | "value, using default instead (%d seconds)", br->name, | |
792 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
793 | opts.active_timeout = -1; | |
794 | } | |
72b06300 | 795 | |
6f90b8f4 BP |
796 | /* Add engine ID to interface number to disambiguate bridgs? */ |
797 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
798 | if (opts.add_id_to_iface) { | |
799 | if (opts.engine_id > 0x7f) { | |
800 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
801 | "another vswitch, choose an engine id less than 128", | |
802 | br->name); | |
803 | } | |
804 | if (hmap_count(&br->ports) > 508) { | |
805 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
806 | "another port when more than 508 ports are used", | |
807 | br->name); | |
808 | } | |
809 | } | |
72b06300 | 810 | |
6f90b8f4 BP |
811 | /* Collectors. */ |
812 | sset_init(&opts.collectors); | |
813 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 814 | |
6f90b8f4 BP |
815 | /* Configure. */ |
816 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
817 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
818 | } | |
819 | sset_destroy(&opts.collectors); | |
820 | } | |
72b06300 | 821 | |
6f90b8f4 BP |
822 | /* Set sFlow configuration on 'br'. */ |
823 | static void | |
824 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
825 | { | |
826 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
827 | struct ovsrec_controller **controllers; | |
828 | struct ofproto_sflow_options oso; | |
829 | size_t n_controllers; | |
830 | size_t i; | |
72b06300 | 831 | |
6f90b8f4 BP |
832 | if (!cfg) { |
833 | ofproto_set_sflow(br->ofproto, NULL); | |
834 | return; | |
064af421 | 835 | } |
8052fb14 | 836 | |
6f90b8f4 | 837 | memset(&oso, 0, sizeof oso); |
52df17e7 | 838 | |
6f90b8f4 BP |
839 | sset_init(&oso.targets); |
840 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 841 | |
6f90b8f4 BP |
842 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
843 | if (cfg->sampling) { | |
844 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 845 | } |
6f90b8f4 BP |
846 | |
847 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
848 | if (cfg->polling) { | |
849 | oso.polling_interval = *cfg->polling; | |
064af421 | 850 | } |
093e47f4 | 851 | |
6f90b8f4 BP |
852 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
853 | if (cfg->header) { | |
854 | oso.header_len = *cfg->header; | |
855 | } | |
392730c4 | 856 | |
6f90b8f4 BP |
857 | oso.sub_id = (*sflow_bridge_number)++; |
858 | oso.agent_device = cfg->agent; | |
392730c4 | 859 | |
6f90b8f4 BP |
860 | oso.control_ip = NULL; |
861 | n_controllers = bridge_get_controllers(br, &controllers); | |
862 | for (i = 0; i < n_controllers; i++) { | |
863 | if (controllers[i]->local_ip) { | |
864 | oso.control_ip = controllers[i]->local_ip; | |
865 | break; | |
b31bcf60 EJ |
866 | } |
867 | } | |
6f90b8f4 | 868 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 869 | |
6f90b8f4 BP |
870 | sset_destroy(&oso.targets); |
871 | } | |
a7ff9bd7 | 872 | |
21f7563c JP |
873 | static void |
874 | port_configure_stp(const struct ofproto *ofproto, struct port *port, | |
875 | struct ofproto_port_stp_settings *port_s, | |
876 | int *port_num_counter, unsigned long *port_num_bitmap) | |
877 | { | |
878 | const char *config_str; | |
879 | struct iface *iface; | |
880 | ||
f67f1354 EJ |
881 | config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-enable", |
882 | NULL); | |
21f7563c JP |
883 | if (config_str && !strcmp(config_str, "false")) { |
884 | port_s->enable = false; | |
885 | return; | |
886 | } else { | |
887 | port_s->enable = true; | |
888 | } | |
889 | ||
890 | /* STP over bonds is not supported. */ | |
891 | if (!list_is_singleton(&port->ifaces)) { | |
892 | VLOG_ERR("port %s: cannot enable STP on bonds, disabling", | |
893 | port->name); | |
894 | port_s->enable = false; | |
895 | return; | |
896 | } | |
897 | ||
898 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
899 | ||
900 | /* Internal ports shouldn't participate in spanning tree, so | |
901 | * skip them. */ | |
902 | if (!strcmp(iface->type, "internal")) { | |
903 | VLOG_DBG("port %s: disable STP on internal ports", port->name); | |
904 | port_s->enable = false; | |
905 | return; | |
906 | } | |
907 | ||
908 | /* STP on mirror output ports is not supported. */ | |
909 | if (ofproto_is_mirror_output_bundle(ofproto, port)) { | |
910 | VLOG_DBG("port %s: disable STP on mirror ports", port->name); | |
911 | port_s->enable = false; | |
912 | return; | |
913 | } | |
914 | ||
f67f1354 EJ |
915 | config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-port-num", |
916 | NULL); | |
21f7563c JP |
917 | if (config_str) { |
918 | unsigned long int port_num = strtoul(config_str, NULL, 0); | |
919 | int port_idx = port_num - 1; | |
920 | ||
921 | if (port_num < 1 || port_num > STP_MAX_PORTS) { | |
922 | VLOG_ERR("port %s: invalid stp-port-num", port->name); | |
923 | port_s->enable = false; | |
924 | return; | |
925 | } | |
926 | ||
927 | if (bitmap_is_set(port_num_bitmap, port_idx)) { | |
928 | VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling", | |
929 | port->name, port_num); | |
930 | port_s->enable = false; | |
931 | return; | |
932 | } | |
933 | bitmap_set1(port_num_bitmap, port_idx); | |
934 | port_s->port_num = port_idx; | |
935 | } else { | |
936 | if (*port_num_counter > STP_MAX_PORTS) { | |
937 | VLOG_ERR("port %s: too many STP ports, disabling", port->name); | |
938 | port_s->enable = false; | |
939 | return; | |
940 | } | |
941 | ||
942 | port_s->port_num = (*port_num_counter)++; | |
943 | } | |
944 | ||
f67f1354 EJ |
945 | config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-path-cost", |
946 | NULL); | |
21f7563c JP |
947 | if (config_str) { |
948 | port_s->path_cost = strtoul(config_str, NULL, 10); | |
949 | } else { | |
6c038611 | 950 | enum netdev_features current; |
21f7563c JP |
951 | |
952 | if (netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL)) { | |
953 | /* Couldn't get speed, so assume 100Mb/s. */ | |
954 | port_s->path_cost = 19; | |
955 | } else { | |
956 | unsigned int mbps; | |
957 | ||
958 | mbps = netdev_features_to_bps(current) / 1000000; | |
959 | port_s->path_cost = stp_convert_speed_to_cost(mbps); | |
960 | } | |
961 | } | |
962 | ||
f67f1354 EJ |
963 | config_str = ovsrec_port_get_other_config_value(port->cfg, |
964 | "stp-port-priority", | |
965 | NULL); | |
21f7563c JP |
966 | if (config_str) { |
967 | port_s->priority = strtoul(config_str, NULL, 0); | |
968 | } else { | |
969 | port_s->priority = STP_DEFAULT_PORT_PRIORITY; | |
970 | } | |
971 | } | |
972 | ||
973 | /* Set spanning tree configuration on 'br'. */ | |
974 | static void | |
975 | bridge_configure_stp(struct bridge *br) | |
976 | { | |
977 | if (!br->cfg->stp_enable) { | |
978 | ofproto_set_stp(br->ofproto, NULL); | |
979 | } else { | |
980 | struct ofproto_stp_settings br_s; | |
981 | const char *config_str; | |
982 | struct port *port; | |
983 | int port_num_counter; | |
984 | unsigned long *port_num_bitmap; | |
985 | ||
f67f1354 EJ |
986 | config_str = ovsrec_bridge_get_other_config_value(br->cfg, |
987 | "stp-system-id", | |
988 | NULL); | |
21f7563c JP |
989 | if (config_str) { |
990 | uint8_t ea[ETH_ADDR_LEN]; | |
991 | ||
992 | if (eth_addr_from_string(config_str, ea)) { | |
993 | br_s.system_id = eth_addr_to_uint64(ea); | |
994 | } else { | |
995 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
996 | VLOG_ERR("bridge %s: invalid stp-system-id, defaulting " | |
997 | "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea)); | |
998 | } | |
999 | } else { | |
1000 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
1001 | } | |
1002 | ||
f67f1354 EJ |
1003 | config_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1004 | "stp-priority", | |
1005 | NULL); | |
21f7563c JP |
1006 | if (config_str) { |
1007 | br_s.priority = strtoul(config_str, NULL, 0); | |
1008 | } else { | |
1009 | br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY; | |
1010 | } | |
1011 | ||
f67f1354 EJ |
1012 | config_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1013 | "stp-hello-time", | |
1014 | NULL); | |
21f7563c JP |
1015 | if (config_str) { |
1016 | br_s.hello_time = strtoul(config_str, NULL, 10) * 1000; | |
1017 | } else { | |
1018 | br_s.hello_time = STP_DEFAULT_HELLO_TIME; | |
1019 | } | |
1020 | ||
f67f1354 EJ |
1021 | config_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1022 | "stp-max-age", | |
1023 | NULL); | |
21f7563c JP |
1024 | if (config_str) { |
1025 | br_s.max_age = strtoul(config_str, NULL, 10) * 1000; | |
1026 | } else { | |
1027 | br_s.max_age = STP_DEFAULT_MAX_AGE; | |
1028 | } | |
1029 | ||
f67f1354 EJ |
1030 | config_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1031 | "stp-forward-delay", | |
1032 | NULL); | |
21f7563c JP |
1033 | if (config_str) { |
1034 | br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000; | |
1035 | } else { | |
1036 | br_s.fwd_delay = STP_DEFAULT_FWD_DELAY; | |
1037 | } | |
1038 | ||
1039 | /* Configure STP on the bridge. */ | |
1040 | if (ofproto_set_stp(br->ofproto, &br_s)) { | |
1041 | VLOG_ERR("bridge %s: could not enable STP", br->name); | |
1042 | return; | |
1043 | } | |
1044 | ||
1045 | /* Users must either set the port number with the "stp-port-num" | |
1046 | * configuration on all ports or none. If manual configuration | |
1047 | * is not done, then we allocate them sequentially. */ | |
1048 | port_num_counter = 0; | |
1049 | port_num_bitmap = bitmap_allocate(STP_MAX_PORTS); | |
1050 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1051 | struct ofproto_port_stp_settings port_s; | |
1052 | struct iface *iface; | |
1053 | ||
1054 | port_configure_stp(br->ofproto, port, &port_s, | |
1055 | &port_num_counter, port_num_bitmap); | |
1056 | ||
1057 | /* As bonds are not supported, just apply configuration to | |
1058 | * all interfaces. */ | |
1059 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1060 | if (ofproto_port_set_stp(br->ofproto, iface->ofp_port, | |
1061 | &port_s)) { | |
1062 | VLOG_ERR("port %s: could not enable STP", port->name); | |
1063 | continue; | |
1064 | } | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS | |
1069 | && port_num_counter) { | |
1070 | VLOG_ERR("bridge %s: must manually configure all STP port " | |
1071 | "IDs or none, disabling", br->name); | |
1072 | ofproto_set_stp(br->ofproto, NULL); | |
1073 | } | |
1074 | bitmap_free(port_num_bitmap); | |
1075 | } | |
1076 | } | |
1077 | ||
e8192d80 BP |
1078 | static bool |
1079 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
1080 | { | |
1081 | const struct port *port = port_lookup(br, name); | |
1082 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
1083 | } |
1084 | ||
e8192d80 BP |
1085 | static bool |
1086 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 1087 | { |
e8192d80 BP |
1088 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
1089 | } | |
093e47f4 | 1090 | |
66da9bef BP |
1091 | static void |
1092 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
1093 | { | |
1094 | struct bridge *br, *next; | |
1095 | struct shash new_br; | |
1096 | size_t i; | |
1097 | ||
1098 | /* Collect new bridges' names and types. */ | |
1099 | shash_init(&new_br); | |
1100 | for (i = 0; i < cfg->n_bridges; i++) { | |
5af5b532 | 1101 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
66da9bef | 1102 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; |
5af5b532 BP |
1103 | |
1104 | if (strchr(br_cfg->name, '/')) { | |
1105 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
1106 | * directories, e.g. consider a bridge named "../../../etc/". */ | |
1107 | VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"", | |
1108 | br_cfg->name); | |
1109 | } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
1110 | VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name); | |
66da9bef BP |
1111 | } |
1112 | } | |
1113 | ||
1114 | /* Get rid of deleted bridges or those whose types have changed. | |
1115 | * Update 'cfg' of bridges that still exist. */ | |
1116 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
1117 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
1118 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
1119 | br->cfg->datapath_type))) { | |
66da9bef BP |
1120 | bridge_destroy(br); |
1121 | } | |
1122 | } | |
1123 | ||
1124 | /* Add new bridges. */ | |
1125 | for (i = 0; i < cfg->n_bridges; i++) { | |
1126 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
1127 | struct bridge *br = bridge_lookup(br_cfg->name); | |
1128 | if (!br) { | |
1129 | bridge_create(br_cfg); | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | shash_destroy(&new_br); | |
1134 | } | |
1135 | ||
66da9bef | 1136 | static void |
892815f5 | 1137 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
1138 | { |
1139 | struct bridge *br = iface->port->bridge; | |
1140 | ||
892815f5 BP |
1141 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
1142 | iface->ofp_port = ofp_port; | |
1143 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 1144 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
1145 | } |
1146 | ||
2a485ee8 BP |
1147 | /* Configures 'netdev' based on the "options" column in 'iface_cfg'. |
1148 | * Returns 0 if successful, otherwise a positive errno value. */ | |
1149 | static int | |
1150 | iface_set_netdev_config(const struct ovsrec_interface *iface_cfg, | |
1151 | struct netdev *netdev) | |
1152 | { | |
1153 | struct shash args; | |
1154 | int error; | |
1155 | ||
1156 | shash_init(&args); | |
1157 | shash_from_ovs_idl_map(iface_cfg->key_options, | |
1158 | iface_cfg->value_options, | |
1159 | iface_cfg->n_options, &args); | |
1160 | error = netdev_set_config(netdev, &args); | |
1161 | shash_destroy(&args); | |
1162 | ||
1163 | if (error) { | |
1164 | VLOG_WARN("could not configure network device %s (%s)", | |
1165 | iface_cfg->name, strerror(error)); | |
1166 | } | |
1167 | return error; | |
1168 | } | |
1169 | ||
5344c1ac BP |
1170 | /* This function determines whether 'ofproto_port', which is attached to |
1171 | * br->ofproto's datapath, is one that we want in 'br'. | |
1172 | * | |
1173 | * If it is, it returns true, after creating an iface (if necessary), | |
1174 | * configuring the iface's netdev according to the iface's options, and setting | |
1175 | * iface's ofp_port member to 'ofproto_port->ofp_port'. | |
1176 | * | |
1177 | * If, on the other hand, 'port' should be removed, it returns false. The | |
1178 | * caller should later detach the port from br->ofproto. */ | |
1179 | static bool | |
1180 | bridge_refresh_one_ofp_port(struct bridge *br, | |
1181 | const struct ofproto_port *ofproto_port) | |
1182 | { | |
1183 | const char *name = ofproto_port->name; | |
1184 | const char *type = ofproto_port->type; | |
1185 | uint16_t ofp_port = ofproto_port->ofp_port; | |
1186 | ||
1187 | struct iface *iface = iface_lookup(br, name); | |
1188 | if (iface) { | |
1189 | /* Check that the name-to-number mapping is one-to-one. */ | |
1190 | if (iface->ofp_port >= 0) { | |
1191 | VLOG_WARN("bridge %s: interface %s reported twice", | |
1192 | br->name, name); | |
1193 | return false; | |
1194 | } else if (iface_from_ofp_port(br, ofp_port)) { | |
1195 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", | |
1196 | br->name, ofp_port); | |
1197 | return false; | |
1198 | } | |
1199 | ||
1200 | /* There's a configured interface named 'name'. */ | |
1201 | if (strcmp(type, iface->type) | |
1202 | || iface_set_netdev_config(iface->cfg, iface->netdev)) { | |
1203 | /* It's the wrong type, or it's the right type but can't be | |
1204 | * configured as the user requested, so we must destroy it. */ | |
1205 | return false; | |
1206 | } else { | |
1207 | /* It's the right type and configured correctly. keep it. */ | |
1208 | iface_set_ofp_port(iface, ofp_port); | |
1209 | return true; | |
1210 | } | |
1211 | } else if (bridge_has_bond_fake_iface(br, name) | |
1212 | && !strcmp(type, "internal")) { | |
1213 | /* It's a bond fake iface. Keep it. */ | |
1214 | return true; | |
1215 | } else { | |
1216 | /* There's no configured interface named 'name', but there might be an | |
1217 | * interface of that name queued to be created. | |
1218 | * | |
1219 | * If there is, and it has the correct type, then try to configure it | |
1220 | * and add it. If that's successful, we'll keep it. Otherwise, we'll | |
1221 | * delete it and later try to re-add it. */ | |
1222 | struct if_cfg *if_cfg = if_cfg_lookup(br, name); | |
1223 | return (if_cfg | |
1224 | && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg)) | |
1225 | && iface_create(br, if_cfg, ofp_port)); | |
1226 | } | |
1227 | } | |
1228 | ||
bae7208e EJ |
1229 | /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be |
1230 | * consistent with the ofp_ports in "br->ofproto". */ | |
66da9bef | 1231 | static void |
892815f5 | 1232 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
1233 | { |
1234 | struct ofproto_port_dump dump; | |
1235 | struct ofproto_port ofproto_port; | |
bae7208e | 1236 | struct port *port, *port_next; |
66da9bef | 1237 | |
bae7208e | 1238 | /* Clear each "struct iface"s ofp_port so we can get its correct value. */ |
66da9bef BP |
1239 | hmap_clear(&br->ifaces); |
1240 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1241 | struct iface *iface; | |
1242 | ||
1243 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 1244 | iface->ofp_port = -1; |
66da9bef BP |
1245 | } |
1246 | } | |
1247 | ||
bae7208e EJ |
1248 | /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which |
1249 | * already exist in the datapath and promote them to full fledged "struct | |
1250 | * iface"s. Mark ports in the datapath which don't belong as garbage. */ | |
66da9bef | 1251 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
5344c1ac BP |
1252 | if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) { |
1253 | struct ofpp_garbage *garbage = xmalloc(sizeof *garbage); | |
1254 | garbage->ofp_port = ofproto_port.ofp_port; | |
1255 | list_push_front(&br->ofpp_garbage, &garbage->list_node); | |
bae7208e EJ |
1256 | } |
1257 | } | |
1258 | ||
1259 | /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't | |
1260 | * deserve to have "struct iface"s. Demote these to "if_cfg"s so that | |
1261 | * later they can be added to ofproto. */ | |
1262 | HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) { | |
1263 | struct iface *iface, *iface_next; | |
1264 | ||
1265 | LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) { | |
1266 | if (iface->ofp_port < 0) { | |
1267 | bridge_queue_if_cfg(br, iface->cfg, port->cfg); | |
1268 | iface_destroy(iface); | |
66da9bef BP |
1269 | } |
1270 | } | |
bae7208e EJ |
1271 | |
1272 | if (list_is_empty(&port->ifaces)) { | |
1273 | port_destroy(port); | |
1274 | } | |
66da9bef BP |
1275 | } |
1276 | } | |
1277 | ||
cc086465 BP |
1278 | /* Opens a network device for 'iface_cfg' and configures it. If '*ofp_portp' |
1279 | * is negative, adds the network device to br->ofproto and stores the OpenFlow | |
1280 | * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp' | |
1281 | * untouched. | |
1282 | * | |
1283 | * If successful, returns 0 and stores the network device in '*netdevp'. On | |
1284 | * failure, returns a positive errno value and stores NULL in '*netdevp'. */ | |
1285 | static int | |
1286 | iface_do_create(const struct bridge *br, | |
1287 | const struct ovsrec_interface *iface_cfg, | |
1288 | const struct ovsrec_port *port_cfg, | |
1289 | int *ofp_portp, struct netdev **netdevp) | |
1290 | { | |
1291 | struct netdev *netdev; | |
1292 | int error; | |
1293 | ||
1294 | error = netdev_open(iface_cfg->name, | |
1295 | iface_get_type(iface_cfg, br->cfg), &netdev); | |
1296 | if (error) { | |
1297 | VLOG_WARN("could not open network device %s (%s)", | |
1298 | iface_cfg->name, strerror(error)); | |
1299 | goto error; | |
1300 | } | |
1301 | ||
1302 | error = iface_set_netdev_config(iface_cfg, netdev); | |
1303 | if (error) { | |
1304 | goto error; | |
1305 | } | |
1306 | ||
1307 | if (*ofp_portp < 0) { | |
1308 | uint16_t ofp_port; | |
1309 | ||
1310 | error = ofproto_port_add(br->ofproto, netdev, &ofp_port); | |
1311 | if (error) { | |
1312 | goto error; | |
1313 | } | |
1314 | *ofp_portp = ofp_port; | |
1315 | ||
1316 | VLOG_INFO("bridge %s: added interface %s on port %d", | |
1317 | br->name, iface_cfg->name, *ofp_portp); | |
1318 | } else { | |
1319 | VLOG_DBG("bridge %s: interface %s is on port %d", | |
1320 | br->name, iface_cfg->name, *ofp_portp); | |
1321 | } | |
1322 | ||
1323 | if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) { | |
1324 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1325 | } | |
1326 | ||
1327 | *netdevp = netdev; | |
1328 | return 0; | |
1329 | ||
1330 | error: | |
1331 | *netdevp = NULL; | |
1332 | netdev_close(netdev); | |
1333 | return error; | |
1334 | } | |
1335 | ||
bae7208e EJ |
1336 | /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow |
1337 | * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is | |
1338 | * automatically allocated for the iface. Takes ownership of and | |
01546f5d BP |
1339 | * deallocates 'if_cfg'. |
1340 | * | |
1341 | * Return true if an iface is successfully created, false otherwise. */ | |
1342 | static bool | |
bae7208e | 1343 | iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port) |
66da9bef | 1344 | { |
cc086465 BP |
1345 | const struct ovsrec_interface *iface_cfg = if_cfg->cfg; |
1346 | const struct ovsrec_port *port_cfg = if_cfg->parent; | |
1347 | ||
1348 | struct netdev *netdev; | |
bae7208e EJ |
1349 | struct iface *iface; |
1350 | struct port *port; | |
1351 | int error; | |
c7e7bb21 | 1352 | |
cc086465 BP |
1353 | /* Get rid of 'if_cfg' itself. We already copied out the interesting |
1354 | * bits. */ | |
bae7208e EJ |
1355 | hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node); |
1356 | free(if_cfg); | |
52a90c29 | 1357 | |
cc086465 BP |
1358 | /* Do the bits that can fail up front. */ |
1359 | assert(!iface_lookup(br, iface_cfg->name)); | |
1360 | error = iface_do_create(br, iface_cfg, port_cfg, &ofp_port, &netdev); | |
bae7208e | 1361 | if (error) { |
cc086465 BP |
1362 | iface_clear_db_record(iface_cfg); |
1363 | return false; | |
bae7208e | 1364 | } |
c7e7bb21 | 1365 | |
cc086465 BP |
1366 | /* Get or create the port structure. */ |
1367 | port = port_lookup(br, port_cfg->name); | |
1368 | if (!port) { | |
1369 | port = port_create(br, port_cfg); | |
bae7208e EJ |
1370 | } |
1371 | ||
cc086465 BP |
1372 | /* Create the iface structure. */ |
1373 | iface = xzalloc(sizeof *iface); | |
1374 | list_push_back(&port->ifaces, &iface->port_elem); | |
1375 | hmap_insert(&br->iface_by_name, &iface->name_node, | |
1376 | hash_string(iface_cfg->name, 0)); | |
1377 | iface->port = port; | |
1378 | iface->name = xstrdup(iface_cfg->name); | |
1379 | iface->ofp_port = -1; | |
1380 | iface->netdev = netdev; | |
1381 | iface->type = iface_get_type(iface_cfg, br->cfg); | |
1382 | iface->cfg = iface_cfg; | |
8b5da7a6 | 1383 | |
cc086465 | 1384 | iface_set_ofp_port(iface, ofp_port); |
66da9bef | 1385 | |
cc086465 BP |
1386 | /* Populate initial status in database. */ |
1387 | iface_refresh_stats(iface); | |
1388 | iface_refresh_status(iface); | |
bae7208e EJ |
1389 | |
1390 | /* Add bond fake iface if necessary. */ | |
1391 | if (port_is_bond_fake_iface(port)) { | |
8b5da7a6 BP |
1392 | struct ofproto_port ofproto_port; |
1393 | ||
bae7208e EJ |
1394 | if (ofproto_port_query_by_name(br->ofproto, port->name, |
1395 | &ofproto_port)) { | |
1396 | struct netdev *netdev; | |
1397 | int error; | |
1398 | ||
1399 | error = netdev_open(port->name, "internal", &netdev); | |
1400 | if (!error) { | |
1401 | ofproto_port_add(br->ofproto, netdev, NULL); | |
1402 | netdev_close(netdev); | |
66da9bef | 1403 | } else { |
bae7208e EJ |
1404 | VLOG_WARN("could not open network device %s (%s)", |
1405 | port->name, strerror(error)); | |
66da9bef | 1406 | } |
bae7208e EJ |
1407 | } else { |
1408 | /* Already exists, nothing to do. */ | |
1409 | ofproto_port_destroy(&ofproto_port); | |
66da9bef BP |
1410 | } |
1411 | } | |
01546f5d BP |
1412 | |
1413 | return true; | |
66da9bef BP |
1414 | } |
1415 | ||
084f5290 SH |
1416 | /* Set Flow eviction threshold */ |
1417 | static void | |
1418 | bridge_configure_flow_eviction_threshold(struct bridge *br) | |
1419 | { | |
1420 | const char *threshold_str; | |
1421 | unsigned threshold; | |
1422 | ||
f67f1354 EJ |
1423 | threshold_str = |
1424 | ovsrec_bridge_get_other_config_value(br->cfg, | |
1425 | "flow-eviction-threshold", | |
1426 | NULL); | |
084f5290 SH |
1427 | if (threshold_str) { |
1428 | threshold = strtoul(threshold_str, NULL, 10); | |
1429 | } else { | |
1430 | threshold = OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT; | |
1431 | } | |
1432 | ofproto_set_flow_eviction_threshold(br->ofproto, threshold); | |
1433 | } | |
1434 | ||
8402c74b SS |
1435 | /* Set forward BPDU option. */ |
1436 | static void | |
1437 | bridge_configure_forward_bpdu(struct bridge *br) | |
1438 | { | |
1439 | const char *forward_bpdu_str; | |
1440 | bool forward_bpdu = false; | |
1441 | ||
f67f1354 EJ |
1442 | forward_bpdu_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1443 | "forward-bpdu", | |
1444 | NULL); | |
8402c74b SS |
1445 | if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) { |
1446 | forward_bpdu = true; | |
1447 | } | |
1448 | ofproto_set_forward_bpdu(br->ofproto, forward_bpdu); | |
1449 | } | |
1450 | ||
e764773c BP |
1451 | /* Set MAC aging time for 'br'. */ |
1452 | static void | |
1453 | bridge_configure_mac_idle_time(struct bridge *br) | |
1454 | { | |
1455 | const char *idle_time_str; | |
1456 | int idle_time; | |
1457 | ||
f67f1354 EJ |
1458 | idle_time_str = ovsrec_bridge_get_other_config_value(br->cfg, |
1459 | "mac-aging-time", | |
1460 | NULL); | |
e764773c BP |
1461 | idle_time = (idle_time_str && atoi(idle_time_str) |
1462 | ? atoi(idle_time_str) | |
1463 | : MAC_ENTRY_DEFAULT_IDLE_TIME); | |
1464 | ofproto_set_mac_idle_time(br->ofproto, idle_time); | |
1465 | } | |
1466 | ||
064af421 BP |
1467 | static void |
1468 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 1469 | struct iface **hw_addr_iface) |
064af421 | 1470 | { |
f145afdc | 1471 | struct hmapx mirror_output_ports; |
093e47f4 | 1472 | const char *hwaddr; |
8052fb14 | 1473 | struct port *port; |
3a48ace3 | 1474 | bool found_addr = false; |
064af421 | 1475 | int error; |
f145afdc | 1476 | int i; |
064af421 | 1477 | |
07c318f4 | 1478 | *hw_addr_iface = NULL; |
064af421 BP |
1479 | |
1480 | /* Did the user request a particular MAC? */ | |
f67f1354 | 1481 | hwaddr = ovsrec_bridge_get_other_config_value(br->cfg, "hwaddr", NULL); |
093e47f4 | 1482 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { |
064af421 BP |
1483 | if (eth_addr_is_multicast(ea)) { |
1484 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
1485 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1486 | } else if (eth_addr_is_zero(ea)) { | |
1487 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
1488 | } else { | |
1489 | return; | |
1490 | } | |
1491 | } | |
1492 | ||
f145afdc BP |
1493 | /* Mirror output ports don't participate in picking the local hardware |
1494 | * address. ofproto can't help us find out whether a given port is a | |
1495 | * mirror output because we haven't configured mirrors yet, so we need to | |
1496 | * accumulate them ourselves. */ | |
1497 | hmapx_init(&mirror_output_ports); | |
1498 | for (i = 0; i < br->cfg->n_mirrors; i++) { | |
1499 | struct ovsrec_mirror *m = br->cfg->mirrors[i]; | |
1500 | if (m->output_port) { | |
1501 | hmapx_add(&mirror_output_ports, m->output_port); | |
1502 | } | |
1503 | } | |
1504 | ||
141f4942 BP |
1505 | /* Otherwise choose the minimum non-local MAC address among all of the |
1506 | * interfaces. */ | |
8052fb14 | 1507 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 1508 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 1509 | struct iface *candidate; |
58b7527e BP |
1510 | struct iface *iface; |
1511 | ||
1512 | /* Mirror output ports don't participate. */ | |
f145afdc | 1513 | if (hmapx_contains(&mirror_output_ports, port->cfg)) { |
064af421 BP |
1514 | continue; |
1515 | } | |
58b7527e BP |
1516 | |
1517 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 1518 | iface = NULL; |
76343538 | 1519 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1520 | /* Find the interface with this Ethernet address (if any) so that |
1521 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1522 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1523 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1524 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1525 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1526 | iface = candidate; | |
1527 | } | |
1528 | } | |
58b7527e BP |
1529 | } else { |
1530 | /* Choose the interface whose MAC address will represent the port. | |
1531 | * The Linux kernel bonding code always chooses the MAC address of | |
1532 | * the first slave added to a bond, and the Fedora networking | |
1533 | * scripts always add slaves to a bond in alphabetical order, so | |
1534 | * for compatibility we choose the interface with the name that is | |
1535 | * first in alphabetical order. */ | |
83db7968 BP |
1536 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1537 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1538 | iface = candidate; |
1539 | } | |
1540 | } | |
1541 | ||
1542 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1543 | * MAC address anyway). */ |
892815f5 | 1544 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1545 | continue; |
1546 | } | |
58b7527e BP |
1547 | |
1548 | /* Grab MAC. */ | |
07c318f4 | 1549 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1550 | if (error) { |
58b7527e | 1551 | continue; |
064af421 BP |
1552 | } |
1553 | } | |
58b7527e BP |
1554 | |
1555 | /* Compare against our current choice. */ | |
1556 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1557 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1558 | !eth_addr_is_reserved(iface_ea) && |
1559 | !eth_addr_is_zero(iface_ea) && | |
0d1fe4a3 | 1560 | (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) |
58b7527e | 1561 | { |
0babc06f | 1562 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1563 | *hw_addr_iface = iface; |
3a48ace3 | 1564 | found_addr = true; |
58b7527e | 1565 | } |
064af421 | 1566 | } |
3a48ace3 JP |
1567 | if (found_addr) { |
1568 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1569 | br->name, ETH_ADDR_ARGS(ea)); | |
1570 | } else { | |
7e041ba5 | 1571 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); |
064af421 | 1572 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1573 | *hw_addr_iface = NULL; |
7e041ba5 EJ |
1574 | VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet " |
1575 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
064af421 | 1576 | } |
f145afdc BP |
1577 | |
1578 | hmapx_destroy(&mirror_output_ports); | |
064af421 BP |
1579 | } |
1580 | ||
1581 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1582 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1583 | * an interface on 'br', then that interface must be passed in as |
1584 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1585 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1586 | static uint64_t |
1587 | bridge_pick_datapath_id(struct bridge *br, | |
1588 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1589 | struct iface *hw_addr_iface) |
064af421 BP |
1590 | { |
1591 | /* | |
1592 | * The procedure for choosing a bridge MAC address will, in the most | |
1593 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1594 | * ID. In some special cases, though, multiple bridges will end up with | |
1595 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1596 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1597 | * ID. | |
1598 | * | |
1599 | * Datapath IDs must be unique. It is also very desirable that they be | |
1600 | * stable from one run to the next, so that policy set on a datapath | |
1601 | * "sticks". | |
1602 | */ | |
093e47f4 | 1603 | const char *datapath_id; |
064af421 BP |
1604 | uint64_t dpid; |
1605 | ||
f67f1354 EJ |
1606 | datapath_id = ovsrec_bridge_get_other_config_value(br->cfg, "datapath-id", |
1607 | NULL); | |
093e47f4 | 1608 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { |
064af421 BP |
1609 | return dpid; |
1610 | } | |
1611 | ||
03eae5f8 | 1612 | if (!hw_addr_iface) { |
064af421 BP |
1613 | /* |
1614 | * A purely internal bridge, that is, one that has no non-virtual | |
03eae5f8 | 1615 | * network devices on it at all, is difficult because it has no |
064af421 BP |
1616 | * natural unique identifier at all. |
1617 | * | |
1618 | * When the host is a XenServer, we handle this case by hashing the | |
1619 | * host's UUID with the name of the bridge. Names of bridges are | |
1620 | * persistent across XenServer reboots, although they can be reused if | |
1621 | * an internal network is destroyed and then a new one is later | |
1622 | * created, so this is fairly effective. | |
1623 | * | |
1624 | * When the host is not a XenServer, we punt by using a random MAC | |
1625 | * address on each run. | |
1626 | */ | |
1627 | const char *host_uuid = xenserver_get_host_uuid(); | |
1628 | if (host_uuid) { | |
1629 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1630 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1631 | free(combined); | |
1632 | return dpid; | |
1633 | } | |
1634 | } | |
1635 | ||
1636 | return eth_addr_to_uint64(bridge_ea); | |
1637 | } | |
1638 | ||
1639 | static uint64_t | |
1640 | dpid_from_hash(const void *data, size_t n) | |
1641 | { | |
5eccf359 | 1642 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1643 | |
1644 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1645 | sha1_bytes(data, n, hash); |
064af421 BP |
1646 | eth_addr_mark_random(hash); |
1647 | return eth_addr_to_uint64(hash); | |
1648 | } | |
1649 | ||
ea83a2fc | 1650 | static void |
ea763e0e | 1651 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1652 | { |
ea763e0e EJ |
1653 | struct shash sh; |
1654 | ||
6c038611 | 1655 | enum netdev_features current; |
e210037e | 1656 | enum netdev_flags flags; |
e210037e AE |
1657 | int64_t bps; |
1658 | int mtu; | |
1659 | int64_t mtu_64; | |
1660 | int error; | |
1661 | ||
cfea354b BP |
1662 | if (iface_is_synthetic(iface)) { |
1663 | return; | |
1664 | } | |
1665 | ||
ea763e0e EJ |
1666 | shash_init(&sh); |
1667 | ||
2c2ea5a8 | 1668 | if (!netdev_get_drv_info(iface->netdev, &sh)) { |
ea763e0e EJ |
1669 | size_t n; |
1670 | char **keys, **values; | |
ea83a2fc | 1671 | |
ea763e0e EJ |
1672 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1673 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1674 | ||
1675 | free(keys); | |
1676 | free(values); | |
1677 | } else { | |
1678 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1679 | } | |
1680 | ||
1681 | shash_destroy_free_data(&sh); | |
e210037e AE |
1682 | |
1683 | error = netdev_get_flags(iface->netdev, &flags); | |
1684 | if (!error) { | |
0acaddd0 EJ |
1685 | ovsrec_interface_set_admin_state(iface->cfg, |
1686 | flags & NETDEV_UP ? "up" : "down"); | |
e210037e AE |
1687 | } |
1688 | else { | |
1689 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1690 | } | |
1691 | ||
1692 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1693 | if (!error) { | |
1694 | ovsrec_interface_set_duplex(iface->cfg, | |
1695 | netdev_features_is_full_duplex(current) | |
1696 | ? "full" : "half"); | |
1697 | /* warning: uint64_t -> int64_t conversion */ | |
1698 | bps = netdev_features_to_bps(current); | |
1699 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1700 | } | |
1701 | else { | |
1702 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1703 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1704 | } | |
1705 | ||
e210037e | 1706 | error = netdev_get_mtu(iface->netdev, &mtu); |
9b020780 | 1707 | if (!error) { |
e210037e AE |
1708 | mtu_64 = mtu; |
1709 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1710 | } | |
1711 | else { | |
1712 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1713 | } | |
ea83a2fc EJ |
1714 | } |
1715 | ||
0dfd1cb4 | 1716 | /* Writes 'iface''s CFM statistics to the database. */ |
8f3fe844 | 1717 | static void |
b31bcf60 EJ |
1718 | iface_refresh_cfm_stats(struct iface *iface) |
1719 | { | |
93b8df38 | 1720 | const struct ovsrec_interface *cfg = iface->cfg; |
1de11730 EJ |
1721 | int fault, error; |
1722 | const uint64_t *rmps; | |
1723 | size_t n_rmps; | |
3967a833 | 1724 | int health; |
b31bcf60 | 1725 | |
21d48660 EJ |
1726 | if (iface_is_synthetic(iface)) { |
1727 | return; | |
1728 | } | |
1729 | ||
a5610457 EJ |
1730 | fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, |
1731 | iface->ofp_port); | |
8f3fe844 | 1732 | if (fault >= 0) { |
b9380396 | 1733 | const char *reasons[CFM_FAULT_N_REASONS]; |
a5610457 | 1734 | bool fault_bool = fault; |
b9380396 EJ |
1735 | size_t i, j; |
1736 | ||
1737 | j = 0; | |
1738 | for (i = 0; i < CFM_FAULT_N_REASONS; i++) { | |
1739 | int reason = 1 << i; | |
1740 | if (fault & reason) { | |
1741 | reasons[j++] = cfm_fault_reason_to_str(reason); | |
1742 | } | |
1743 | } | |
1744 | ||
a5610457 | 1745 | ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); |
b9380396 | 1746 | ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j); |
0f0d2ae5 EJ |
1747 | } else { |
1748 | ovsrec_interface_set_cfm_fault(cfg, NULL, 0); | |
b9380396 | 1749 | ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0); |
6586adf5 | 1750 | } |
1de11730 EJ |
1751 | |
1752 | error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto, | |
1753 | iface->ofp_port, &rmps, &n_rmps); | |
1754 | if (error >= 0) { | |
1755 | ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps, | |
1756 | n_rmps); | |
1757 | } else { | |
1758 | ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); | |
1759 | } | |
3967a833 MM |
1760 | |
1761 | health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto, | |
1762 | iface->ofp_port); | |
1763 | if (health >= 0) { | |
1764 | int64_t cfm_health = health; | |
1765 | ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1); | |
1766 | } else { | |
1767 | ovsrec_interface_set_cfm_health(cfg, NULL, 0); | |
1768 | } | |
b31bcf60 EJ |
1769 | } |
1770 | ||
018f1525 BP |
1771 | static void |
1772 | iface_refresh_stats(struct iface *iface) | |
1773 | { | |
98dbe2dd BP |
1774 | #define IFACE_STATS \ |
1775 | IFACE_STAT(rx_packets, "rx_packets") \ | |
1776 | IFACE_STAT(tx_packets, "tx_packets") \ | |
1777 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
1778 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
1779 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
1780 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
1781 | IFACE_STAT(rx_errors, "rx_errors") \ | |
1782 | IFACE_STAT(tx_errors, "tx_errors") \ | |
1783 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
1784 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
1785 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
1786 | IFACE_STAT(collisions, "collisions") | |
1787 | ||
1788 | #define IFACE_STAT(MEMBER, NAME) NAME, | |
1789 | static char *keys[] = { IFACE_STATS }; | |
1790 | #undef IFACE_STAT | |
1791 | int64_t values[ARRAY_SIZE(keys)]; | |
1792 | int i; | |
018f1525 BP |
1793 | |
1794 | struct netdev_stats stats; | |
1795 | ||
cfea354b BP |
1796 | if (iface_is_synthetic(iface)) { |
1797 | return; | |
1798 | } | |
1799 | ||
018f1525 BP |
1800 | /* Intentionally ignore return value, since errors will set 'stats' to |
1801 | * all-1s, and we will deal with that correctly below. */ | |
1802 | netdev_get_stats(iface->netdev, &stats); | |
1803 | ||
98dbe2dd BP |
1804 | /* Copy statistics into values[] array. */ |
1805 | i = 0; | |
1806 | #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; | |
1807 | IFACE_STATS; | |
1808 | #undef IFACE_STAT | |
1809 | assert(i == ARRAY_SIZE(keys)); | |
018f1525 | 1810 | |
0acaddd0 EJ |
1811 | ovsrec_interface_set_statistics(iface->cfg, keys, values, |
1812 | ARRAY_SIZE(keys)); | |
98dbe2dd | 1813 | #undef IFACE_STATS |
018f1525 BP |
1814 | } |
1815 | ||
21f7563c JP |
1816 | static void |
1817 | br_refresh_stp_status(struct bridge *br) | |
1818 | { | |
1819 | struct ofproto *ofproto = br->ofproto; | |
1820 | struct ofproto_stp_status status; | |
1821 | char *keys[3], *values[3]; | |
1822 | size_t i; | |
1823 | ||
1824 | if (ofproto_get_stp_status(ofproto, &status)) { | |
1825 | return; | |
1826 | } | |
1827 | ||
1828 | if (!status.enabled) { | |
1829 | ovsrec_bridge_set_status(br->cfg, NULL, NULL, 0); | |
1830 | return; | |
1831 | } | |
1832 | ||
1833 | keys[0] = "stp_bridge_id", | |
1834 | values[0] = xasprintf(STP_ID_FMT, STP_ID_ARGS(status.bridge_id)); | |
1835 | keys[1] = "stp_designated_root", | |
1836 | values[1] = xasprintf(STP_ID_FMT, STP_ID_ARGS(status.designated_root)); | |
1837 | keys[2] = "stp_root_path_cost", | |
1838 | values[2] = xasprintf("%d", status.root_path_cost); | |
1839 | ||
1840 | ovsrec_bridge_set_status(br->cfg, keys, values, ARRAY_SIZE(values)); | |
1841 | ||
1842 | for (i = 0; i < ARRAY_SIZE(values); i++) { | |
1843 | free(values[i]); | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | static void | |
1848 | port_refresh_stp_status(struct port *port) | |
1849 | { | |
1850 | struct ofproto *ofproto = port->bridge->ofproto; | |
1851 | struct iface *iface; | |
1852 | struct ofproto_port_stp_status status; | |
80740385 JP |
1853 | char *keys[4]; |
1854 | char *str_values[4]; | |
1855 | int64_t int_values[3]; | |
21f7563c JP |
1856 | size_t i; |
1857 | ||
06b592bc EJ |
1858 | if (port_is_synthetic(port)) { |
1859 | return; | |
1860 | } | |
1861 | ||
21f7563c JP |
1862 | /* STP doesn't currently support bonds. */ |
1863 | if (!list_is_singleton(&port->ifaces)) { | |
1864 | ovsrec_port_set_status(port->cfg, NULL, NULL, 0); | |
1865 | return; | |
1866 | } | |
1867 | ||
1868 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
1869 | ||
1870 | if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) { | |
1871 | return; | |
1872 | } | |
1873 | ||
1874 | if (!status.enabled) { | |
1875 | ovsrec_port_set_status(port->cfg, NULL, NULL, 0); | |
80740385 | 1876 | ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0); |
21f7563c JP |
1877 | return; |
1878 | } | |
1879 | ||
80740385 JP |
1880 | /* Set Status column. */ |
1881 | keys[0] = "stp_port_id"; | |
1882 | str_values[0] = xasprintf(STP_PORT_ID_FMT, status.port_id); | |
21f7563c | 1883 | keys[1] = "stp_state"; |
80740385 | 1884 | str_values[1] = xstrdup(stp_state_name(status.state)); |
21f7563c | 1885 | keys[2] = "stp_sec_in_state"; |
80740385 | 1886 | str_values[2] = xasprintf("%u", status.sec_in_state); |
21f7563c | 1887 | keys[3] = "stp_role"; |
80740385 | 1888 | str_values[3] = xstrdup(stp_role_name(status.role)); |
21f7563c | 1889 | |
80740385 JP |
1890 | ovsrec_port_set_status(port->cfg, keys, str_values, |
1891 | ARRAY_SIZE(str_values)); | |
21f7563c | 1892 | |
80740385 JP |
1893 | for (i = 0; i < ARRAY_SIZE(str_values); i++) { |
1894 | free(str_values[i]); | |
21f7563c | 1895 | } |
80740385 JP |
1896 | |
1897 | /* Set Statistics column. */ | |
1898 | keys[0] = "stp_tx_count"; | |
1899 | int_values[0] = status.tx_count; | |
1900 | keys[1] = "stp_rx_count"; | |
1901 | int_values[1] = status.rx_count; | |
1902 | keys[2] = "stp_error_count"; | |
1903 | int_values[2] = status.error_count; | |
1904 | ||
1905 | ovsrec_port_set_statistics(port->cfg, keys, int_values, | |
1906 | ARRAY_SIZE(int_values)); | |
21f7563c JP |
1907 | } |
1908 | ||
3fe80505 BP |
1909 | static bool |
1910 | enable_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1911 | { | |
1912 | const char *enable; | |
1913 | ||
1914 | /* Use other-config:enable-system-stats by preference. */ | |
f67f1354 EJ |
1915 | enable = ovsrec_open_vswitch_get_other_config_value(cfg, |
1916 | "enable-statistics", | |
1917 | NULL); | |
3fe80505 BP |
1918 | if (enable) { |
1919 | return !strcmp(enable, "true"); | |
1920 | } | |
1921 | ||
1922 | /* Disable by default. */ | |
1923 | return false; | |
1924 | } | |
1925 | ||
ce887677 BP |
1926 | static void |
1927 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1928 | { | |
1929 | struct ovsdb_datum datum; | |
1930 | struct shash stats; | |
1931 | ||
1932 | shash_init(&stats); | |
3fe80505 BP |
1933 | if (enable_system_stats(cfg)) { |
1934 | get_system_stats(&stats); | |
1935 | } | |
ce887677 BP |
1936 | |
1937 | ovsdb_datum_from_shash(&datum, &stats); | |
1938 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1939 | &datum); | |
1940 | } | |
1941 | ||
bffc0589 AE |
1942 | static inline const char * |
1943 | nx_role_to_str(enum nx_role role) | |
1944 | { | |
1945 | switch (role) { | |
1946 | case NX_ROLE_OTHER: | |
1947 | return "other"; | |
1948 | case NX_ROLE_MASTER: | |
1949 | return "master"; | |
1950 | case NX_ROLE_SLAVE: | |
1951 | return "slave"; | |
1952 | default: | |
1953 | return "*** INVALID ROLE ***"; | |
1954 | } | |
1955 | } | |
1956 | ||
1957 | static void | |
5d279086 | 1958 | refresh_controller_status(void) |
bffc0589 | 1959 | { |
5d279086 | 1960 | struct bridge *br; |
bffc0589 AE |
1961 | struct shash info; |
1962 | const struct ovsrec_controller *cfg; | |
1963 | ||
5d279086 AE |
1964 | shash_init(&info); |
1965 | ||
1966 | /* Accumulate status for controllers on all bridges. */ | |
1967 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1968 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1969 | } | |
bffc0589 | 1970 | |
5d279086 | 1971 | /* Update each controller in the database with current status. */ |
bffc0589 | 1972 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { |
eb9b8307 AE |
1973 | struct ofproto_controller_info *cinfo = |
1974 | shash_find_data(&info, cfg->target); | |
1975 | ||
1976 | if (cinfo) { | |
1977 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1978 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1979 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1980 | (char **) cinfo->pairs.values, | |
1981 | cinfo->pairs.n); | |
1982 | } else { | |
1983 | ovsrec_controller_set_is_connected(cfg, false); | |
1984 | ovsrec_controller_set_role(cfg, NULL); | |
1985 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1986 | } | |
bffc0589 AE |
1987 | } |
1988 | ||
1989 | ofproto_free_ofproto_controller_info(&info); | |
1990 | } | |
1991 | ||
8f3fe844 EJ |
1992 | static void |
1993 | refresh_cfm_stats(void) | |
1994 | { | |
1995 | static struct ovsdb_idl_txn *txn = NULL; | |
1996 | ||
1997 | if (!txn) { | |
1998 | struct bridge *br; | |
1999 | ||
2000 | txn = ovsdb_idl_txn_create(idl); | |
2001 | ||
2002 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2003 | struct iface *iface; | |
2004 | ||
2005 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
2006 | iface_refresh_cfm_stats(iface); | |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) { | |
2012 | ovsdb_idl_txn_destroy(txn); | |
2013 | txn = NULL; | |
2014 | } | |
2015 | } | |
2016 | ||
5fcc0d00 BP |
2017 | /* Performs periodic activity required by bridges that needs to be done with |
2018 | * the least possible latency. | |
2019 | * | |
2020 | * It makes sense to call this function a couple of times per poll loop, to | |
2021 | * provide a significant performance boost on some benchmarks with ofprotos | |
2022 | * that use the ofproto-dpif implementation. */ | |
2023 | void | |
2024 | bridge_run_fast(void) | |
2025 | { | |
2026 | struct bridge *br; | |
2027 | ||
2028 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2029 | ofproto_run_fast(br->ofproto); | |
2030 | } | |
2031 | } | |
2032 | ||
c5187f17 | 2033 | void |
064af421 BP |
2034 | bridge_run(void) |
2035 | { | |
bae7208e | 2036 | static const struct ovsrec_open_vswitch null_cfg; |
d54ff998 | 2037 | const struct ovsrec_open_vswitch *cfg; |
bae7208e | 2038 | struct ovsdb_idl_txn *reconf_txn = NULL; |
d54ff998 | 2039 | |
52a90c29 | 2040 | bool vlan_splinters_changed; |
c5187f17 | 2041 | struct bridge *br; |
064af421 | 2042 | |
06b6d651 | 2043 | /* (Re)configure if necessary. */ |
bae7208e EJ |
2044 | if (!reconfiguring) { |
2045 | ovsdb_idl_run(idl); | |
06b6d651 | 2046 | |
bae7208e EJ |
2047 | if (ovsdb_idl_is_lock_contended(idl)) { |
2048 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
2049 | struct bridge *br, *next_br; | |
06b6d651 | 2050 | |
bae7208e EJ |
2051 | VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, " |
2052 | "disabling this process until it goes away"); | |
2053 | ||
2054 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { | |
2055 | bridge_destroy(br); | |
2056 | } | |
2057 | return; | |
2058 | } else if (!ovsdb_idl_has_lock(idl)) { | |
2059 | return; | |
06b6d651 | 2060 | } |
06b6d651 BP |
2061 | } |
2062 | cfg = ovsrec_open_vswitch_first(idl); | |
2063 | ||
c5187f17 | 2064 | /* Let each bridge do the work that it needs to do. */ |
764072fd | 2065 | HMAP_FOR_EACH (br, node, &all_bridges) { |
5fcc0d00 | 2066 | ofproto_run(br->ofproto); |
c5187f17 BP |
2067 | } |
2068 | ||
d6da96ce BP |
2069 | /* Re-configure SSL. We do this on every trip through the main loop, |
2070 | * instead of just when the database changes, because the contents of the | |
2071 | * key and certificate files can change without the database changing. | |
2072 | * | |
2073 | * We do this before bridge_reconfigure() because that function might | |
2074 | * initiate SSL connections and thus requires SSL to be configured. */ | |
2075 | if (cfg && cfg->ssl) { | |
2076 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
2077 | ||
2078 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
2079 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
2080 | } | |
bf8f2167 | 2081 | |
bae7208e EJ |
2082 | if (!reconfiguring) { |
2083 | /* If VLAN splinters are in use, then we need to reconfigure if VLAN | |
2084 | * usage has changed. */ | |
2085 | vlan_splinters_changed = false; | |
2086 | if (vlan_splinters_enabled_anywhere) { | |
2087 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2088 | if (ofproto_has_vlan_usage_changed(br->ofproto)) { | |
2089 | vlan_splinters_changed = true; | |
2090 | break; | |
2091 | } | |
2092 | } | |
2093 | } | |
2094 | ||
2095 | if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) { | |
2096 | idl_seqno = ovsdb_idl_get_seqno(idl); | |
2097 | if (cfg) { | |
2098 | reconf_txn = ovsdb_idl_txn_create(idl); | |
2099 | bridge_reconfigure(cfg); | |
2100 | } else { | |
2101 | /* We still need to reconfigure to avoid dangling pointers to | |
2102 | * now-destroyed ovsrec structures inside bridge data. */ | |
2103 | bridge_reconfigure(&null_cfg); | |
52a90c29 BP |
2104 | } |
2105 | } | |
2106 | } | |
2107 | ||
bae7208e | 2108 | if (reconfiguring) { |
c5187f17 | 2109 | if (cfg) { |
bae7208e EJ |
2110 | if (!reconf_txn) { |
2111 | reconf_txn = ovsdb_idl_txn_create(idl); | |
2112 | } | |
2113 | if (bridge_reconfigure_continue(cfg)) { | |
2114 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
2115 | } | |
1e0b752d | 2116 | } else { |
bae7208e | 2117 | bridge_reconfigure_continue(&null_cfg); |
064af421 BP |
2118 | } |
2119 | } | |
018f1525 | 2120 | |
bae7208e EJ |
2121 | if (reconf_txn) { |
2122 | ovsdb_idl_txn_commit(reconf_txn); | |
2123 | ovsdb_idl_txn_destroy(reconf_txn); | |
2124 | reconf_txn = NULL; | |
2125 | } | |
2126 | ||
cd0cd65f BP |
2127 | /* Refresh system and interface stats if necessary. */ |
2128 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
2129 | if (cfg) { |
2130 | struct ovsdb_idl_txn *txn; | |
018f1525 | 2131 | |
ce887677 | 2132 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 2133 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 2134 | struct port *port; |
9d24de3b | 2135 | struct mirror *m; |
018f1525 | 2136 | |
8052fb14 | 2137 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 2138 | struct iface *iface; |
018f1525 | 2139 | |
83db7968 | 2140 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 2141 | iface_refresh_stats(iface); |
ea763e0e | 2142 | iface_refresh_status(iface); |
ce887677 | 2143 | } |
018f1525 | 2144 | } |
9d24de3b JP |
2145 | |
2146 | HMAP_FOR_EACH (m, hmap_node, &br->mirrors) { | |
2147 | mirror_refresh_stats(m); | |
2148 | } | |
2149 | ||
018f1525 | 2150 | } |
ce887677 | 2151 | refresh_system_stats(cfg); |
5d279086 | 2152 | refresh_controller_status(); |
ce887677 BP |
2153 | ovsdb_idl_txn_commit(txn); |
2154 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 2155 | } |
018f1525 | 2156 | |
cd0cd65f | 2157 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 2158 | } |
6586adf5 | 2159 | |
815cd583 | 2160 | if (time_msec() >= db_limiter) { |
6586adf5 | 2161 | struct ovsdb_idl_txn *txn; |
6586adf5 EJ |
2162 | |
2163 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 2164 | HMAP_FOR_EACH (br, node, &all_bridges) { |
15236eb4 | 2165 | struct iface *iface; |
21f7563c JP |
2166 | struct port *port; |
2167 | ||
2168 | br_refresh_stp_status(br); | |
2169 | ||
2170 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
2171 | port_refresh_stp_status(port); | |
2172 | } | |
15236eb4 EJ |
2173 | |
2174 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
70aa337d | 2175 | const char *link_state; |
65c3058c | 2176 | int64_t link_resets; |
15236eb4 | 2177 | int current; |
6586adf5 | 2178 | |
15236eb4 EJ |
2179 | if (iface_is_synthetic(iface)) { |
2180 | continue; | |
2181 | } | |
6586adf5 | 2182 | |
15236eb4 EJ |
2183 | current = ofproto_port_is_lacp_current(br->ofproto, |
2184 | iface->ofp_port); | |
2185 | if (current >= 0) { | |
2186 | bool bl = current; | |
2187 | ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1); | |
2188 | } else { | |
2189 | ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0); | |
6586adf5 | 2190 | } |
70aa337d EJ |
2191 | |
2192 | link_state = netdev_get_carrier(iface->netdev) ? "up" : "down"; | |
2193 | ovsrec_interface_set_link_state(iface->cfg, link_state); | |
65c3058c EJ |
2194 | |
2195 | link_resets = netdev_get_carrier_resets(iface->netdev); | |
2196 | ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1); | |
6586adf5 EJ |
2197 | } |
2198 | } | |
2199 | ||
15236eb4 | 2200 | if (ovsdb_idl_txn_commit(txn) != TXN_UNCHANGED) { |
815cd583 | 2201 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 | 2202 | } |
6586adf5 EJ |
2203 | ovsdb_idl_txn_destroy(txn); |
2204 | } | |
8f3fe844 EJ |
2205 | |
2206 | refresh_cfm_stats(); | |
064af421 BP |
2207 | } |
2208 | ||
2209 | void | |
2210 | bridge_wait(void) | |
2211 | { | |
c5187f17 | 2212 | ovsdb_idl_wait(idl); |
c7e7bb21 | 2213 | |
bae7208e | 2214 | if (reconfiguring) { |
c7e7bb21 EJ |
2215 | poll_immediate_wake(); |
2216 | } | |
2217 | ||
06b6d651 BP |
2218 | if (!hmap_is_empty(&all_bridges)) { |
2219 | struct bridge *br; | |
6586adf5 | 2220 | |
06b6d651 BP |
2221 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2222 | ofproto_wait(br->ofproto); | |
2223 | } | |
2224 | poll_timer_wait_until(stats_timer); | |
2225 | ||
2226 | if (db_limiter > time_msec()) { | |
2227 | poll_timer_wait_until(db_limiter); | |
2228 | } | |
6586adf5 | 2229 | } |
064af421 | 2230 | } |
8c4c1387 | 2231 | \f |
e8fe3026 EJ |
2232 | /* QoS unixctl user interface functions. */ |
2233 | ||
2234 | struct qos_unixctl_show_cbdata { | |
2235 | struct ds *ds; | |
2236 | struct iface *iface; | |
2237 | }; | |
2238 | ||
2239 | static void | |
2240 | qos_unixctl_show_cb(unsigned int queue_id, | |
2241 | const struct shash *details, | |
2242 | void *aux) | |
2243 | { | |
2244 | struct qos_unixctl_show_cbdata *data = aux; | |
2245 | struct ds *ds = data->ds; | |
2246 | struct iface *iface = data->iface; | |
2247 | struct netdev_queue_stats stats; | |
2248 | struct shash_node *node; | |
2249 | int error; | |
2250 | ||
2251 | ds_put_cstr(ds, "\n"); | |
2252 | if (queue_id) { | |
2253 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
2254 | } else { | |
2255 | ds_put_cstr(ds, "Default:\n"); | |
2256 | } | |
2257 | ||
2258 | SHASH_FOR_EACH (node, details) { | |
2259 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
2260 | } | |
2261 | ||
2262 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
2263 | if (!error) { | |
2264 | if (stats.tx_packets != UINT64_MAX) { | |
2265 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
2266 | } | |
2267 | ||
2268 | if (stats.tx_bytes != UINT64_MAX) { | |
2269 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
2270 | } | |
2271 | ||
2272 | if (stats.tx_errors != UINT64_MAX) { | |
2273 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
2274 | } | |
2275 | } else { | |
2276 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
2277 | queue_id, strerror(error)); | |
2278 | } | |
2279 | } | |
2280 | ||
2281 | static void | |
0e15264f BP |
2282 | qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2283 | const char *argv[], void *aux OVS_UNUSED) | |
e8fe3026 EJ |
2284 | { |
2285 | struct ds ds = DS_EMPTY_INITIALIZER; | |
2286 | struct shash sh = SHASH_INITIALIZER(&sh); | |
2287 | struct iface *iface; | |
2288 | const char *type; | |
2289 | struct shash_node *node; | |
2290 | struct qos_unixctl_show_cbdata data; | |
2291 | int error; | |
2292 | ||
0e15264f | 2293 | iface = iface_find(argv[1]); |
e8fe3026 | 2294 | if (!iface) { |
bde9f75d | 2295 | unixctl_command_reply_error(conn, "no such interface"); |
e8fe3026 EJ |
2296 | return; |
2297 | } | |
2298 | ||
2299 | netdev_get_qos(iface->netdev, &type, &sh); | |
2300 | ||
2301 | if (*type != '\0') { | |
2302 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
2303 | ||
2304 | SHASH_FOR_EACH (node, &sh) { | |
2305 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
2306 | } | |
2307 | ||
2308 | data.ds = &ds; | |
2309 | data.iface = iface; | |
2310 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
2311 | ||
2312 | if (error) { | |
2313 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
2314 | } | |
bde9f75d | 2315 | unixctl_command_reply(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2316 | } else { |
2317 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
bde9f75d | 2318 | unixctl_command_reply_error(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2319 | } |
2320 | ||
2321 | shash_destroy_free_data(&sh); | |
2322 | ds_destroy(&ds); | |
2323 | } | |
2324 | \f | |
064af421 | 2325 | /* Bridge reconfiguration functions. */ |
66da9bef | 2326 | static void |
1a6f1e2a | 2327 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
2328 | { |
2329 | struct bridge *br; | |
064af421 | 2330 | |
1a6f1e2a | 2331 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 2332 | br = xzalloc(sizeof *br); |
064af421 | 2333 | |
1a6f1e2a | 2334 | br->name = xstrdup(br_cfg->name); |
f79e673f | 2335 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 2336 | br->cfg = br_cfg; |
e3f55cb8 BP |
2337 | |
2338 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
2339 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
2340 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
2341 | eth_addr_mark_random(br->default_ea); | |
064af421 | 2342 | |
8052fb14 | 2343 | hmap_init(&br->ports); |
d9a8717a | 2344 | hmap_init(&br->ifaces); |
ebea37cc | 2345 | hmap_init(&br->iface_by_name); |
fa066f01 | 2346 | hmap_init(&br->mirrors); |
4a1ee6ae | 2347 | |
bae7208e EJ |
2348 | hmap_init(&br->if_cfg_todo); |
2349 | list_init(&br->ofpp_garbage); | |
2350 | ||
764072fd | 2351 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
2352 | } |
2353 | ||
2354 | static void | |
2355 | bridge_destroy(struct bridge *br) | |
2356 | { | |
2357 | if (br) { | |
fa066f01 BP |
2358 | struct mirror *mirror, *next_mirror; |
2359 | struct port *port, *next_port; | |
bae7208e EJ |
2360 | struct if_cfg *if_cfg, *next_if_cfg; |
2361 | struct ofpp_garbage *garbage, *next_garbage; | |
064af421 | 2362 | |
fa066f01 | 2363 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 2364 | port_destroy(port); |
064af421 | 2365 | } |
fa066f01 BP |
2366 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
2367 | mirror_destroy(mirror); | |
f76e2dfc | 2368 | } |
bae7208e EJ |
2369 | HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) { |
2370 | hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node); | |
2371 | free(if_cfg); | |
2372 | } | |
2373 | LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node, | |
2374 | &br->ofpp_garbage) { | |
2375 | list_remove(&garbage->list_node); | |
2376 | free(garbage); | |
2377 | } | |
2378 | ||
764072fd | 2379 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 2380 | ofproto_destroy(br->ofproto); |
d9a8717a | 2381 | hmap_destroy(&br->ifaces); |
8052fb14 | 2382 | hmap_destroy(&br->ports); |
ebea37cc | 2383 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 2384 | hmap_destroy(&br->mirrors); |
bae7208e | 2385 | hmap_destroy(&br->if_cfg_todo); |
064af421 | 2386 | free(br->name); |
66da9bef | 2387 | free(br->type); |
064af421 BP |
2388 | free(br); |
2389 | } | |
2390 | } | |
2391 | ||
2392 | static struct bridge * | |
2393 | bridge_lookup(const char *name) | |
2394 | { | |
2395 | struct bridge *br; | |
2396 | ||
764072fd | 2397 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
2398 | if (!strcmp(br->name, name)) { |
2399 | return br; | |
2400 | } | |
2401 | } | |
2402 | return NULL; | |
2403 | } | |
2404 | ||
4f2cad2c JP |
2405 | /* Handle requests for a listing of all flows known by the OpenFlow |
2406 | * stack, including those normally hidden. */ | |
2407 | static void | |
0e15264f BP |
2408 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2409 | const char *argv[], void *aux OVS_UNUSED) | |
4f2cad2c JP |
2410 | { |
2411 | struct bridge *br; | |
2412 | struct ds results; | |
d295e8e9 | 2413 | |
0e15264f | 2414 | br = bridge_lookup(argv[1]); |
4f2cad2c | 2415 | if (!br) { |
bde9f75d | 2416 | unixctl_command_reply_error(conn, "Unknown bridge"); |
4f2cad2c JP |
2417 | return; |
2418 | } | |
2419 | ||
2420 | ds_init(&results); | |
2421 | ofproto_get_all_flows(br->ofproto, &results); | |
2422 | ||
bde9f75d | 2423 | unixctl_command_reply(conn, ds_cstr(&results)); |
4f2cad2c JP |
2424 | ds_destroy(&results); |
2425 | } | |
2426 | ||
fa05809b BP |
2427 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
2428 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
2429 | * drop their controller connections and reconnect. */ | |
2430 | static void | |
0e15264f BP |
2431 | bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc, |
2432 | const char *argv[], void *aux OVS_UNUSED) | |
fa05809b BP |
2433 | { |
2434 | struct bridge *br; | |
0e15264f BP |
2435 | if (argc > 1) { |
2436 | br = bridge_lookup(argv[1]); | |
fa05809b | 2437 | if (!br) { |
bde9f75d | 2438 | unixctl_command_reply_error(conn, "Unknown bridge"); |
fa05809b BP |
2439 | return; |
2440 | } | |
2441 | ofproto_reconnect_controllers(br->ofproto); | |
2442 | } else { | |
764072fd | 2443 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
2444 | ofproto_reconnect_controllers(br->ofproto); |
2445 | } | |
2446 | } | |
bde9f75d | 2447 | unixctl_command_reply(conn, NULL); |
fa05809b BP |
2448 | } |
2449 | ||
76ce9432 | 2450 | static size_t |
1a048029 | 2451 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 2452 | struct ovsrec_controller ***controllersp) |
064af421 | 2453 | { |
76ce9432 BP |
2454 | struct ovsrec_controller **controllers; |
2455 | size_t n_controllers; | |
064af421 | 2456 | |
1a048029 JP |
2457 | controllers = br->cfg->controller; |
2458 | n_controllers = br->cfg->n_controller; | |
76343538 | 2459 | |
76ce9432 BP |
2460 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
2461 | controllers = NULL; | |
2462 | n_controllers = 0; | |
064af421 | 2463 | } |
76343538 | 2464 | |
76ce9432 BP |
2465 | if (controllersp) { |
2466 | *controllersp = controllers; | |
2467 | } | |
2468 | return n_controllers; | |
064af421 BP |
2469 | } |
2470 | ||
bae7208e EJ |
2471 | static void |
2472 | bridge_queue_if_cfg(struct bridge *br, | |
2473 | const struct ovsrec_interface *cfg, | |
2474 | const struct ovsrec_port *parent) | |
2475 | { | |
2476 | struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg); | |
2477 | ||
2478 | if_cfg->cfg = cfg; | |
2479 | if_cfg->parent = parent; | |
2480 | hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node, | |
2481 | hash_string(if_cfg->cfg->name, 0)); | |
2482 | } | |
2483 | ||
2484 | /* Deletes "struct port"s and "struct iface"s under 'br' which aren't | |
2485 | * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which | |
2486 | * 'br' needs to complete its configuration. */ | |
064af421 | 2487 | static void |
52a90c29 BP |
2488 | bridge_add_del_ports(struct bridge *br, |
2489 | const unsigned long int *splinter_vlans) | |
064af421 | 2490 | { |
bae7208e | 2491 | struct shash_node *port_node; |
8052fb14 | 2492 | struct port *port, *next; |
8052fb14 | 2493 | struct shash new_ports; |
6ae39834 | 2494 | size_t i; |
064af421 | 2495 | |
bae7208e EJ |
2496 | assert(hmap_is_empty(&br->if_cfg_todo)); |
2497 | ||
064af421 | 2498 | /* Collect new ports. */ |
76343538 BP |
2499 | shash_init(&new_ports); |
2500 | for (i = 0; i < br->cfg->n_ports; i++) { | |
2501 | const char *name = br->cfg->ports[i]->name; | |
2502 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
2503 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
2504 | br->name, name); | |
2505 | } | |
2506 | } | |
b5827b24 BP |
2507 | if (bridge_get_controllers(br, NULL) |
2508 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
2509 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
2510 | br->name, br->name); | |
72865317 | 2511 | |
cfea354b BP |
2512 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
2513 | br->synth_local_port.n_interfaces = 1; | |
2514 | br->synth_local_port.name = br->name; | |
2515 | ||
2516 | br->synth_local_iface.name = br->name; | |
66da9bef | 2517 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
2518 | |
2519 | br->synth_local_ifacep = &br->synth_local_iface; | |
2520 | ||
2521 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 2522 | } |
064af421 | 2523 | |
52a90c29 BP |
2524 | if (splinter_vlans) { |
2525 | add_vlan_splinter_ports(br, splinter_vlans, &new_ports); | |
2526 | } | |
2527 | ||
4a1ee6ae | 2528 | /* Get rid of deleted ports. |
a70e4b2a | 2529 | * Get rid of deleted interfaces on ports that still exist. */ |
8052fb14 | 2530 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
2531 | port->cfg = shash_find_data(&new_ports, port->name); |
2532 | if (!port->cfg) { | |
4a1ee6ae BP |
2533 | port_destroy(port); |
2534 | } else { | |
66da9bef | 2535 | port_del_ifaces(port); |
064af421 BP |
2536 | } |
2537 | } | |
4a1ee6ae | 2538 | |
b54441b3 BP |
2539 | /* Update iface->cfg and iface->type in interfaces that still exist. |
2540 | * Add new interfaces to creation queue. */ | |
bae7208e EJ |
2541 | SHASH_FOR_EACH (port_node, &new_ports) { |
2542 | const struct ovsrec_port *port = port_node->data; | |
2543 | size_t i; | |
2544 | ||
2545 | for (i = 0; i < port->n_interfaces; i++) { | |
2546 | const struct ovsrec_interface *cfg = port->interfaces[i]; | |
2547 | struct iface *iface = iface_lookup(br, cfg->name); | |
046f1f89 | 2548 | const char *type = iface_get_type(cfg, br->cfg); |
bae7208e EJ |
2549 | |
2550 | if (iface) { | |
2551 | iface->cfg = cfg; | |
046f1f89 EJ |
2552 | iface->type = type; |
2553 | } else if (strcmp(type, "null")) { | |
bae7208e EJ |
2554 | bridge_queue_if_cfg(br, cfg, port); |
2555 | } | |
ceb4559f | 2556 | } |
064af421 | 2557 | } |
bae7208e | 2558 | |
76343538 | 2559 | shash_destroy(&new_ports); |
064af421 BP |
2560 | } |
2561 | ||
7d674866 BP |
2562 | /* Initializes 'oc' appropriately as a management service controller for |
2563 | * 'br'. | |
2564 | * | |
2565 | * The caller must free oc->target when it is no longer needed. */ | |
2566 | static void | |
2567 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
2568 | struct ofproto_controller *oc) | |
2569 | { | |
b43c6fe2 | 2570 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
2571 | oc->max_backoff = 0; |
2572 | oc->probe_interval = 60; | |
2573 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
2574 | oc->rate_limit = 0; |
2575 | oc->burst_limit = 0; | |
9886b662 | 2576 | oc->enable_async_msgs = true; |
7d674866 BP |
2577 | } |
2578 | ||
2579 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
2580 | static void | |
2581 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
2582 | struct ofproto_controller *oc) | |
2583 | { | |
f125905c MM |
2584 | const char *config_str; |
2585 | ||
7d674866 BP |
2586 | oc->target = c->target; |
2587 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
2588 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
2589 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
2590 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
2591 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
2592 | oc->burst_limit = (c->controller_burst_limit | |
2593 | ? *c->controller_burst_limit : 0); | |
9886b662 BP |
2594 | oc->enable_async_msgs = (!c->enable_async_messages |
2595 | || *c->enable_async_messages); | |
f125905c | 2596 | config_str = ovsrec_controller_get_other_config_value(c, "dscp", NULL); |
cea15768 EJ |
2597 | |
2598 | oc->dscp = DSCP_DEFAULT; | |
f125905c | 2599 | if (config_str) { |
cea15768 EJ |
2600 | int dscp = atoi(config_str); |
2601 | ||
2602 | if (dscp >= 0 && dscp <= 63) { | |
2603 | oc->dscp = dscp; | |
2604 | } | |
f125905c | 2605 | } |
7d674866 BP |
2606 | } |
2607 | ||
2608 | /* Configures the IP stack for 'br''s local interface properly according to the | |
2609 | * configuration in 'c'. */ | |
2610 | static void | |
2611 | bridge_configure_local_iface_netdev(struct bridge *br, | |
2612 | struct ovsrec_controller *c) | |
2613 | { | |
2614 | struct netdev *netdev; | |
2615 | struct in_addr mask, gateway; | |
2616 | ||
2617 | struct iface *local_iface; | |
2618 | struct in_addr ip; | |
2619 | ||
7d674866 | 2620 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 2621 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
2622 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
2623 | return; | |
2624 | } | |
2625 | ||
2626 | /* Bring up the local interface. */ | |
2627 | netdev = local_iface->netdev; | |
2628 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
2629 | ||
2630 | /* Configure the IP address and netmask. */ | |
2631 | if (!c->local_netmask | |
2632 | || !inet_aton(c->local_netmask, &mask) | |
2633 | || !mask.s_addr) { | |
2634 | mask.s_addr = guess_netmask(ip.s_addr); | |
2635 | } | |
2636 | if (!netdev_set_in4(netdev, ip, mask)) { | |
2637 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
2638 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
2639 | } | |
2640 | ||
2641 | /* Configure the default gateway. */ | |
2642 | if (c->local_gateway | |
2643 | && inet_aton(c->local_gateway, &gateway) | |
2644 | && gateway.s_addr) { | |
2645 | if (!netdev_add_router(netdev, gateway)) { | |
2646 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
2647 | br->name, IP_ARGS(&gateway.s_addr)); | |
2648 | } | |
2649 | } | |
2650 | } | |
2651 | ||
cb4ef1ea BP |
2652 | /* Returns true if 'a' and 'b' are the same except that any number of slashes |
2653 | * in either string are treated as equal to any number of slashes in the other, | |
2654 | * e.g. "x///y" is equal to "x/y". */ | |
2655 | static bool | |
2656 | equal_pathnames(const char *a, const char *b) | |
2657 | { | |
2658 | while (*a == *b) { | |
2659 | if (*a == '/') { | |
2660 | a += strspn(a, "/"); | |
2661 | b += strspn(b, "/"); | |
2662 | } else if (*a == '\0') { | |
2663 | return true; | |
2664 | } else { | |
2665 | a++; | |
2666 | b++; | |
2667 | } | |
2668 | } | |
2669 | return false; | |
2670 | } | |
2671 | ||
064af421 | 2672 | static void |
fa066f01 BP |
2673 | bridge_configure_remotes(struct bridge *br, |
2674 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 2675 | { |
b1da6250 BP |
2676 | const char *disable_ib_str, *queue_id_str; |
2677 | bool disable_in_band = false; | |
2678 | int queue_id; | |
2679 | ||
76ce9432 BP |
2680 | struct ovsrec_controller **controllers; |
2681 | size_t n_controllers; | |
7d674866 | 2682 | |
66da9bef | 2683 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
2684 | |
2685 | struct ofproto_controller *ocs; | |
2686 | size_t n_ocs; | |
2687 | size_t i; | |
064af421 | 2688 | |
8731b2b6 | 2689 | /* Check if we should disable in-band control on this bridge. */ |
f67f1354 EJ |
2690 | disable_ib_str = ovsrec_bridge_get_other_config_value(br->cfg, |
2691 | "disable-in-band", | |
2692 | NULL); | |
8731b2b6 JP |
2693 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { |
2694 | disable_in_band = true; | |
2695 | } | |
2696 | ||
b1da6250 | 2697 | /* Set OpenFlow queue ID for in-band control. */ |
f67f1354 EJ |
2698 | queue_id_str = ovsrec_bridge_get_other_config_value(br->cfg, |
2699 | "in-band-queue", | |
2700 | NULL); | |
b1da6250 BP |
2701 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; |
2702 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
2703 | ||
8731b2b6 JP |
2704 | if (disable_in_band) { |
2705 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
2706 | } else { | |
2707 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
2708 | } | |
cd11000b | 2709 | |
1a048029 | 2710 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 2711 | |
7d674866 BP |
2712 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
2713 | n_ocs = 0; | |
064af421 | 2714 | |
7d674866 BP |
2715 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
2716 | for (i = 0; i < n_controllers; i++) { | |
2717 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 2718 | |
7d674866 BP |
2719 | if (!strncmp(c->target, "punix:", 6) |
2720 | || !strncmp(c->target, "unix:", 5)) { | |
2721 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
cb4ef1ea BP |
2722 | char *whitelist; |
2723 | ||
2724 | whitelist = xasprintf("unix:%s/%s.controller", | |
2725 | ovs_rundir(), br->name); | |
2726 | if (!equal_pathnames(c->target, whitelist)) { | |
2727 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
2728 | * Unix domain sockets and overwriting arbitrary local | |
2729 | * files. */ | |
2730 | VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket " | |
2731 | "controller \"%s\" due to possibility for remote " | |
2732 | "exploit. Instead, specify whitelisted \"%s\" or " | |
2733 | "connect to \"unix:%s/%s.mgmt\" (which is always " | |
2734 | "available without special configuration).", | |
2735 | br->name, c->target, whitelist, | |
2736 | ovs_rundir(), br->name); | |
2737 | free(whitelist); | |
2738 | continue; | |
2739 | } | |
4d6fb5eb | 2740 | |
cb4ef1ea | 2741 | free(whitelist); |
4d6fb5eb EJ |
2742 | } |
2743 | ||
7d674866 | 2744 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
2745 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
2746 | if (disable_in_band) { | |
2747 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 2748 | } |
8731b2b6 | 2749 | n_ocs++; |
be02e7c3 | 2750 | } |
be02e7c3 | 2751 | |
7d674866 BP |
2752 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
2753 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
2754 | free(ocs); | |
66da9bef BP |
2755 | |
2756 | /* Set the fail-mode. */ | |
2757 | fail_mode = !br->cfg->fail_mode | |
2758 | || !strcmp(br->cfg->fail_mode, "standalone") | |
2759 | ? OFPROTO_FAIL_STANDALONE | |
2760 | : OFPROTO_FAIL_SECURE; | |
2761 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
2762 | ||
2763 | /* Configure OpenFlow controller connection snooping. */ | |
2764 | if (!ofproto_has_snoops(br->ofproto)) { | |
2765 | struct sset snoops; | |
5827ce14 | 2766 | |
66da9bef BP |
2767 | sset_init(&snoops); |
2768 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
2769 | ovs_rundir(), br->name)); | |
2770 | ofproto_set_snoops(br->ofproto, &snoops); | |
2771 | sset_destroy(&snoops); | |
064af421 BP |
2772 | } |
2773 | } | |
254750ce BP |
2774 | |
2775 | static void | |
2776 | bridge_configure_tables(struct bridge *br) | |
2777 | { | |
2778 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2779 | int n_tables; | |
2780 | int i, j; | |
2781 | ||
2782 | n_tables = ofproto_get_n_tables(br->ofproto); | |
2783 | j = 0; | |
2784 | for (i = 0; i < n_tables; i++) { | |
2785 | struct ofproto_table_settings s; | |
2786 | ||
2787 | s.name = NULL; | |
2788 | s.max_flows = UINT_MAX; | |
2789 | s.groups = NULL; | |
2790 | s.n_groups = 0; | |
2791 | ||
2792 | if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) { | |
2793 | struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++]; | |
2794 | ||
2795 | s.name = cfg->name; | |
2796 | if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) { | |
2797 | s.max_flows = *cfg->flow_limit; | |
2798 | } | |
2799 | if (cfg->overflow_policy | |
2800 | && !strcmp(cfg->overflow_policy, "evict")) { | |
2801 | size_t k; | |
2802 | ||
2803 | s.groups = xmalloc(cfg->n_groups * sizeof *s.groups); | |
2804 | for (k = 0; k < cfg->n_groups; k++) { | |
2805 | const char *string = cfg->groups[k]; | |
2806 | char *msg; | |
2807 | ||
2808 | msg = mf_parse_subfield__(&s.groups[k], &string); | |
2809 | if (msg) { | |
2810 | VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing " | |
2811 | "'groups' (%s)", br->name, i, msg); | |
2812 | free(msg); | |
2813 | } else if (*string) { | |
2814 | VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' " | |
2815 | "element '%s' contains trailing garbage", | |
2816 | br->name, i, cfg->groups[k]); | |
2817 | } else { | |
2818 | s.n_groups++; | |
2819 | } | |
2820 | } | |
2821 | } | |
2822 | } | |
2823 | ||
2824 | ofproto_configure_table(br->ofproto, i, &s); | |
2825 | ||
2826 | free(s.groups); | |
2827 | } | |
2828 | for (; j < br->cfg->n_flow_tables; j++) { | |
2829 | VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table " | |
2830 | "%"PRId64" not supported by this datapath", br->name, | |
2831 | br->cfg->key_flow_tables[j]); | |
2832 | } | |
2833 | } | |
064af421 | 2834 | \f |
fa066f01 | 2835 | /* Port functions. */ |
064af421 | 2836 | |
f620b43a | 2837 | static struct port * |
fa066f01 | 2838 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 2839 | { |
f620b43a BP |
2840 | struct port *port; |
2841 | ||
2842 | port = xzalloc(sizeof *port); | |
2843 | port->bridge = br; | |
fa066f01 BP |
2844 | port->name = xstrdup(cfg->name); |
2845 | port->cfg = cfg; | |
f620b43a BP |
2846 | list_init(&port->ifaces); |
2847 | ||
2848 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
f620b43a | 2849 | return port; |
064af421 BP |
2850 | } |
2851 | ||
fa066f01 | 2852 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 2853 | static void |
fa066f01 | 2854 | port_del_ifaces(struct port *port) |
064af421 | 2855 | { |
f620b43a BP |
2856 | struct iface *iface, *next; |
2857 | struct sset new_ifaces; | |
2858 | size_t i; | |
064af421 | 2859 | |
f620b43a BP |
2860 | /* Collect list of new interfaces. */ |
2861 | sset_init(&new_ifaces); | |
fa066f01 BP |
2862 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
2863 | const char *name = port->cfg->interfaces[i]->name; | |
93f331d3 | 2864 | const char *type = port->cfg->interfaces[i]->type; |
00794817 BP |
2865 | if (strcmp(type, "null")) { |
2866 | sset_add(&new_ifaces, name); | |
2867 | } | |
f620b43a | 2868 | } |
064af421 | 2869 | |
f620b43a BP |
2870 | /* Get rid of deleted interfaces. */ |
2871 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2872 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2873 | iface_destroy(iface); | |
064af421 | 2874 | } |
064af421 | 2875 | } |
f620b43a BP |
2876 | |
2877 | sset_destroy(&new_ifaces); | |
064af421 BP |
2878 | } |
2879 | ||
064af421 BP |
2880 | static void |
2881 | port_destroy(struct port *port) | |
2882 | { | |
2883 | if (port) { | |
2884 | struct bridge *br = port->bridge; | |
83db7968 | 2885 | struct iface *iface, *next; |
064af421 | 2886 | |
fa066f01 BP |
2887 | if (br->ofproto) { |
2888 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2889 | } |
2890 | ||
83db7968 BP |
2891 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2892 | iface_destroy(iface); | |
064af421 BP |
2893 | } |
2894 | ||
8052fb14 | 2895 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 BP |
2896 | free(port->name); |
2897 | free(port); | |
064af421 BP |
2898 | } |
2899 | } | |
2900 | ||
064af421 BP |
2901 | static struct port * |
2902 | port_lookup(const struct bridge *br, const char *name) | |
2903 | { | |
8052fb14 BP |
2904 | struct port *port; |
2905 | ||
2906 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2907 | &br->ports) { | |
2908 | if (!strcmp(port->name, name)) { | |
2909 | return port; | |
2910 | } | |
2911 | } | |
2912 | return NULL; | |
064af421 BP |
2913 | } |
2914 | ||
7a673515 BP |
2915 | static bool |
2916 | enable_lacp(struct port *port, bool *activep) | |
2917 | { | |
2918 | if (!port->cfg->lacp) { | |
2919 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2920 | * default and make active on bonded ports. */ | |
2921 | return false; | |
2922 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2923 | return false; | |
2924 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2925 | *activep = true; | |
2926 | return true; | |
2927 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2928 | *activep = false; | |
2929 | return true; | |
2930 | } else { | |
2931 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2932 | port->name, port->cfg->lacp); | |
2933 | return false; | |
2934 | } | |
2935 | } | |
2936 | ||
fa066f01 BP |
2937 | static struct lacp_settings * |
2938 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2939 | { |
e567943d | 2940 | const char *lacp_time, *system_id; |
b5a25389 | 2941 | int priority; |
5827ce14 | 2942 | |
fa066f01 BP |
2943 | if (!enable_lacp(port, &s->active)) { |
2944 | return NULL; | |
abd4a95d EJ |
2945 | } |
2946 | ||
fa066f01 | 2947 | s->name = port->name; |
e567943d | 2948 | |
f67f1354 EJ |
2949 | system_id = ovsrec_port_get_other_config_value(port->cfg, "lacp-system-id", |
2950 | NULL); | |
a9bf011b EJ |
2951 | if (system_id) { |
2952 | if (sscanf(system_id, ETH_ADDR_SCAN_FMT, | |
2953 | ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) { | |
2954 | VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet" | |
2955 | " address.", port->name, system_id); | |
2956 | return NULL; | |
2957 | } | |
2958 | } else { | |
e567943d EJ |
2959 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); |
2960 | } | |
b5a25389 | 2961 | |
69fdadb1 EJ |
2962 | if (eth_addr_is_zero(s->id)) { |
2963 | VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name); | |
2964 | return NULL; | |
2965 | } | |
2966 | ||
b5a25389 | 2967 | /* Prefer bondable links if unspecified. */ |
f67f1354 EJ |
2968 | priority = atoi(ovsrec_port_get_other_config_value(port->cfg, |
2969 | "lacp-system-priority", | |
2970 | "0")); | |
fa066f01 BP |
2971 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2972 | ? priority | |
2973 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2974 | |
f67f1354 EJ |
2975 | lacp_time = ovsrec_port_get_other_config_value(port->cfg, "lacp-time", |
2976 | "slow"); | |
bf83f7c8 | 2977 | s->fast = !strcasecmp(lacp_time, "fast"); |
fa066f01 BP |
2978 | return s; |
2979 | } | |
5827ce14 | 2980 | |
fa066f01 BP |
2981 | static void |
2982 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2983 | { | |
00794817 | 2984 | int priority, portid, key; |
5827ce14 | 2985 | |
f67f1354 EJ |
2986 | portid = atoi(ovsrec_interface_get_other_config_value(iface->cfg, |
2987 | "lacp-port-id", | |
2988 | "0")); | |
2989 | priority = | |
2990 | atoi(ovsrec_interface_get_other_config_value(iface->cfg, | |
2991 | "lacp-port-priority", | |
2992 | "0")); | |
2993 | key = atoi(ovsrec_interface_get_other_config_value(iface->cfg, | |
2994 | "lacp-aggregation-key", | |
2995 | "0")); | |
fa066f01 BP |
2996 | |
2997 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2998 | portid = iface->ofp_port; |
5827ce14 EJ |
2999 | } |
3000 | ||
fa066f01 BP |
3001 | if (priority <= 0 || priority > UINT16_MAX) { |
3002 | priority = UINT16_MAX; | |
3003 | } | |
5827ce14 | 3004 | |
00794817 BP |
3005 | if (key < 0 || key > UINT16_MAX) { |
3006 | key = 0; | |
5827ce14 | 3007 | } |
00794817 | 3008 | |
fa066f01 | 3009 | s->name = iface->name; |
fa066f01 BP |
3010 | s->id = portid; |
3011 | s->priority = priority; | |
00794817 | 3012 | s->key = key; |
bb5bc6c0 BP |
3013 | } |
3014 | ||
c25c91fd | 3015 | static void |
76ed83fc BP |
3016 | port_configure_bond(struct port *port, struct bond_settings *s, |
3017 | uint32_t *bond_stable_ids) | |
c25c91fd | 3018 | { |
f620b43a | 3019 | const char *detect_s; |
7a673515 | 3020 | struct iface *iface; |
1670c579 | 3021 | int miimon_interval; |
76ed83fc | 3022 | size_t i; |
c25c91fd | 3023 | |
fa066f01 | 3024 | s->name = port->name; |
4df08875 | 3025 | s->balance = BM_AB; |
4c57c3bc EJ |
3026 | if (port->cfg->bond_mode) { |
3027 | if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { | |
3028 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", | |
3029 | port->name, port->cfg->bond_mode, | |
3030 | bond_mode_to_string(s->balance)); | |
3031 | } | |
3032 | } else { | |
3033 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
3034 | ||
4df08875 EJ |
3035 | /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to |
3036 | * active-backup. At some point we should remove this warning. */ | |
4c57c3bc | 3037 | VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that" |
4df08875 EJ |
3038 | " in previous versions, the default bond_mode was" |
3039 | " balance-slb", port->name, | |
4c57c3bc | 3040 | bond_mode_to_string(s->balance)); |
f620b43a | 3041 | } |
6c2d2a9f BP |
3042 | if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { |
3043 | VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " | |
3044 | "please use another bond type or disable flood_vlans", | |
3045 | port->name); | |
3046 | } | |
bb5bc6c0 | 3047 | |
f67f1354 EJ |
3048 | miimon_interval = |
3049 | atoi(ovsrec_port_get_other_config_value(port->cfg, | |
3050 | "bond-miimon-interval", "0")); | |
1670c579 EJ |
3051 | if (miimon_interval <= 0) { |
3052 | miimon_interval = 200; | |
f620b43a BP |
3053 | } |
3054 | ||
f67f1354 EJ |
3055 | detect_s = ovsrec_port_get_other_config_value(port->cfg, |
3056 | "bond-detect-mode", | |
3057 | "carrier"); | |
1670c579 EJ |
3058 | if (!strcmp(detect_s, "carrier")) { |
3059 | miimon_interval = 0; | |
3060 | } else if (strcmp(detect_s, "miimon")) { | |
3061 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
3062 | "defaulting to carrier", port->name, detect_s); | |
3063 | miimon_interval = 0; | |
f620b43a BP |
3064 | } |
3065 | ||
fa066f01 BP |
3066 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
3067 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
f67f1354 EJ |
3068 | s->basis = atoi(ovsrec_port_get_other_config_value(port->cfg, |
3069 | "bond-hash-basis", | |
3070 | "0")); | |
fa066f01 | 3071 | s->rebalance_interval = atoi( |
f67f1354 EJ |
3072 | ovsrec_port_get_other_config_value(port->cfg, |
3073 | "bond-rebalance-interval", | |
3074 | "10000")); | |
bc1b010c | 3075 | if (s->rebalance_interval && s->rebalance_interval < 1000) { |
fa066f01 | 3076 | s->rebalance_interval = 1000; |
f620b43a BP |
3077 | } |
3078 | ||
fa066f01 | 3079 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 3080 | |
76ed83fc | 3081 | i = 0; |
7a673515 | 3082 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
3083 | long long stable_id; |
3084 | ||
f67f1354 EJ |
3085 | stable_id = |
3086 | atoll(ovsrec_interface_get_other_config_value(iface->cfg, | |
3087 | "bond-stable-id", | |
3088 | "0")); | |
632e2b95 | 3089 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 3090 | stable_id = iface->ofp_port; |
632e2b95 | 3091 | } |
76ed83fc | 3092 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
3093 | |
3094 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
3095 | } |
3096 | } | |
06b592bc EJ |
3097 | |
3098 | /* Returns true if 'port' is synthetic, that is, if we constructed it locally | |
3099 | * instead of obtaining it from the database. */ | |
3100 | static bool | |
3101 | port_is_synthetic(const struct port *port) | |
3102 | { | |
3103 | return ovsdb_idl_row_is_synthetic(&port->cfg->header_); | |
3104 | } | |
064af421 BP |
3105 | \f |
3106 | /* Interface functions. */ | |
3107 | ||
b54441b3 BP |
3108 | /* Returns the correct network device type for interface 'iface' in bridge |
3109 | * 'br'. */ | |
3110 | static const char * | |
3111 | iface_get_type(const struct ovsrec_interface *iface, | |
3112 | const struct ovsrec_bridge *br) | |
3113 | { | |
3114 | /* The local port always has type "internal". Other ports take their type | |
3115 | * from the database and default to "system" if none is specified. */ | |
3116 | return (!strcmp(iface->name, br->name) ? "internal" | |
3117 | : iface->type[0] ? iface->type | |
3118 | : "system"); | |
064af421 BP |
3119 | } |
3120 | ||
3121 | static void | |
3122 | iface_destroy(struct iface *iface) | |
3123 | { | |
3124 | if (iface) { | |
3125 | struct port *port = iface->port; | |
3126 | struct bridge *br = port->bridge; | |
c17f0d5e | 3127 | |
892815f5 BP |
3128 | if (br->ofproto && iface->ofp_port >= 0) { |
3129 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
3130 | } |
3131 | ||
892815f5 BP |
3132 | if (iface->ofp_port >= 0) { |
3133 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
3134 | } |
3135 | ||
83db7968 | 3136 | list_remove(&iface->port_elem); |
ebea37cc | 3137 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 3138 | |
0c6aea3f | 3139 | netdev_close(iface->netdev); |
064af421 | 3140 | |
a740f0de JG |
3141 | free(iface->name); |
3142 | free(iface); | |
064af421 BP |
3143 | } |
3144 | } | |
3145 | ||
3146 | static struct iface * | |
3147 | iface_lookup(const struct bridge *br, const char *name) | |
3148 | { | |
ebea37cc BP |
3149 | struct iface *iface; |
3150 | ||
3151 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
3152 | &br->iface_by_name) { | |
3153 | if (!strcmp(iface->name, name)) { | |
3154 | return iface; | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | return NULL; | |
064af421 BP |
3159 | } |
3160 | ||
e8fe3026 EJ |
3161 | static struct iface * |
3162 | iface_find(const char *name) | |
3163 | { | |
3164 | const struct bridge *br; | |
3165 | ||
764072fd | 3166 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
3167 | struct iface *iface = iface_lookup(br, name); |
3168 | ||
3169 | if (iface) { | |
3170 | return iface; | |
3171 | } | |
3172 | } | |
3173 | return NULL; | |
3174 | } | |
3175 | ||
bae7208e EJ |
3176 | static struct if_cfg * |
3177 | if_cfg_lookup(const struct bridge *br, const char *name) | |
3178 | { | |
3179 | struct if_cfg *if_cfg; | |
3180 | ||
3181 | HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0), | |
3182 | &br->if_cfg_todo) { | |
3183 | if (!strcmp(if_cfg->cfg->name, name)) { | |
3184 | return if_cfg; | |
3185 | } | |
3186 | } | |
3187 | ||
3188 | return NULL; | |
3189 | } | |
3190 | ||
064af421 | 3191 | static struct iface * |
892815f5 | 3192 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 3193 | { |
d9a8717a BP |
3194 | struct iface *iface; |
3195 | ||
892815f5 BP |
3196 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
3197 | hash_int(ofp_port, 0), &br->ifaces) { | |
3198 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
3199 | return iface; |
3200 | } | |
3201 | } | |
3202 | return NULL; | |
064af421 | 3203 | } |
557d8e6c | 3204 | |
52df17e7 BP |
3205 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
3206 | * file. */ | |
3207 | static void | |
3208 | iface_set_mac(struct iface *iface) | |
3209 | { | |
76343538 | 3210 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 3211 | |
ede2fd6d BP |
3212 | if (!strcmp(iface->type, "internal") |
3213 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 3214 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
3215 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
3216 | "(use Bridge record to set local port's mac)", | |
3217 | iface->name); | |
3218 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
3219 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
3220 | iface->name); | |
52df17e7 | 3221 | } else { |
4d678233 | 3222 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
3223 | if (error) { |
3224 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
3225 | iface->name, strerror(error)); | |
3226 | } | |
3227 | } | |
3228 | } | |
3229 | } | |
c1c9c9c4 | 3230 | |
bcd49a45 BP |
3231 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
3232 | static void | |
3233 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
3234 | { | |
cfea354b | 3235 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
3236 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
3237 | } | |
3238 | } | |
3239 | ||
3fc5a86a BP |
3240 | /* Clears all of the fields in 'if_cfg' that indicate interface status, and |
3241 | * sets the "ofport" field to -1. | |
3242 | * | |
3243 | * This is appropriate when 'if_cfg''s interface cannot be created or is | |
3244 | * otherwise invalid. */ | |
3245 | static void | |
3246 | iface_clear_db_record(const struct ovsrec_interface *if_cfg) | |
3247 | { | |
3248 | if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { | |
3249 | iface_set_ofport(if_cfg, -1); | |
3250 | ovsrec_interface_set_status(if_cfg, NULL, NULL, 0); | |
3251 | ovsrec_interface_set_admin_state(if_cfg, NULL); | |
3252 | ovsrec_interface_set_duplex(if_cfg, NULL); | |
3253 | ovsrec_interface_set_link_speed(if_cfg, NULL, 0); | |
3254 | ovsrec_interface_set_link_state(if_cfg, NULL); | |
3255 | ovsrec_interface_set_mtu(if_cfg, NULL, 0); | |
3256 | ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0); | |
b9380396 | 3257 | ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0); |
3fc5a86a BP |
3258 | ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0); |
3259 | ovsrec_interface_set_lacp_current(if_cfg, NULL, 0); | |
3260 | ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0); | |
3261 | } | |
3262 | } | |
3263 | ||
43776b8f BP |
3264 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
3265 | * | |
3266 | * The value strings in '*shash' are taken directly from values[], not copied, | |
3267 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
3268 | static void |
3269 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
3270 | struct shash *shash) | |
3271 | { | |
3272 | size_t i; | |
3273 | ||
3274 | shash_init(shash); | |
3275 | for (i = 0; i < n; i++) { | |
3276 | shash_add(shash, keys[i], values[i]); | |
3277 | } | |
3278 | } | |
3279 | ||
ea763e0e EJ |
3280 | /* Creates 'keys' and 'values' arrays from 'shash'. |
3281 | * | |
3282 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
3283 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
3284 | * are populated with with strings taken directly from 'shash' and thus have | |
3285 | * the same ownership of the key-value pairs in shash. | |
3286 | */ | |
3287 | static void | |
3288 | shash_to_ovs_idl_map(struct shash *shash, | |
3289 | char ***keys, char ***values, size_t *n) | |
3290 | { | |
3291 | size_t i, count; | |
3292 | char **k, **v; | |
3293 | struct shash_node *sn; | |
3294 | ||
3295 | count = shash_count(shash); | |
3296 | ||
3297 | k = xmalloc(count * sizeof *k); | |
3298 | v = xmalloc(count * sizeof *v); | |
3299 | ||
3300 | i = 0; | |
3301 | SHASH_FOR_EACH(sn, shash) { | |
3302 | k[i] = sn->name; | |
3303 | v[i] = sn->data; | |
3304 | i++; | |
3305 | } | |
3306 | ||
3307 | *n = count; | |
3308 | *keys = k; | |
3309 | *values = v; | |
3310 | } | |
3311 | ||
c1c9c9c4 BP |
3312 | struct iface_delete_queues_cbdata { |
3313 | struct netdev *netdev; | |
44fca7f9 | 3314 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
3315 | }; |
3316 | ||
3317 | static bool | |
44fca7f9 | 3318 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 3319 | { |
44fca7f9 | 3320 | union ovsdb_atom atom; |
c1c9c9c4 | 3321 | |
44fca7f9 BP |
3322 | atom.integer = target; |
3323 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
3324 | } |
3325 | ||
3326 | static void | |
3327 | iface_delete_queues(unsigned int queue_id, | |
3328 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
3329 | { | |
3330 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
3331 | ||
44fca7f9 | 3332 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
3333 | netdev_delete_queue(cbdata->netdev, queue_id); |
3334 | } | |
3335 | } | |
3336 | ||
3337 | static void | |
66da9bef | 3338 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 3339 | { |
8b36f51e EJ |
3340 | struct ofpbuf queues_buf; |
3341 | ||
3342 | ofpbuf_init(&queues_buf, 0); | |
3343 | ||
daa8bd2b | 3344 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
3345 | netdev_set_qos(iface->netdev, NULL, NULL); |
3346 | } else { | |
3347 | struct iface_delete_queues_cbdata cbdata; | |
3348 | struct shash details; | |
6a6e60bd | 3349 | bool queue_zero; |
c1c9c9c4 BP |
3350 | size_t i; |
3351 | ||
3352 | /* Configure top-level Qos for 'iface'. */ | |
3353 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
3354 | qos->n_other_config, &details); | |
3355 | netdev_set_qos(iface->netdev, qos->type, &details); | |
3356 | shash_destroy(&details); | |
3357 | ||
3358 | /* Deconfigure queues that were deleted. */ | |
3359 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
3360 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
3361 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
3362 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
3363 | ||
3364 | /* Configure queues for 'iface'. */ | |
6a6e60bd | 3365 | queue_zero = false; |
c1c9c9c4 BP |
3366 | for (i = 0; i < qos->n_queues; i++) { |
3367 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
3368 | unsigned int queue_id = qos->key_queues[i]; | |
3369 | ||
6a6e60bd BP |
3370 | if (queue_id == 0) { |
3371 | queue_zero = true; | |
3372 | } | |
3373 | ||
8b36f51e EJ |
3374 | if (queue->n_dscp == 1) { |
3375 | struct ofproto_port_queue *port_queue; | |
3376 | ||
3377 | port_queue = ofpbuf_put_uninit(&queues_buf, | |
3378 | sizeof *port_queue); | |
3379 | port_queue->queue = queue_id; | |
3380 | port_queue->dscp = queue->dscp[0]; | |
3381 | } | |
3382 | ||
c1c9c9c4 BP |
3383 | shash_from_ovs_idl_map(queue->key_other_config, |
3384 | queue->value_other_config, | |
3385 | queue->n_other_config, &details); | |
3386 | netdev_set_queue(iface->netdev, queue_id, &details); | |
3387 | shash_destroy(&details); | |
3388 | } | |
6a6e60bd | 3389 | if (!queue_zero) { |
2c999774 BP |
3390 | shash_init(&details); |
3391 | netdev_set_queue(iface->netdev, 0, &details); | |
3392 | shash_destroy(&details); | |
6a6e60bd | 3393 | } |
c1c9c9c4 | 3394 | } |
fa066f01 | 3395 | |
8b36f51e EJ |
3396 | if (iface->ofp_port >= 0) { |
3397 | const struct ofproto_port_queue *port_queues = queues_buf.data; | |
3398 | size_t n_queues = queues_buf.size / sizeof *port_queues; | |
3399 | ||
3400 | ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port, | |
3401 | port_queues, n_queues); | |
3402 | } | |
3403 | ||
fa066f01 BP |
3404 | netdev_set_policing(iface->netdev, |
3405 | iface->cfg->ingress_policing_rate, | |
3406 | iface->cfg->ingress_policing_burst); | |
8b36f51e EJ |
3407 | |
3408 | ofpbuf_uninit(&queues_buf); | |
c1c9c9c4 | 3409 | } |
b31bcf60 EJ |
3410 | |
3411 | static void | |
66da9bef | 3412 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 3413 | { |
93b8df38 | 3414 | const struct ovsrec_interface *cfg = iface->cfg; |
86dc6501 | 3415 | const char *extended_str, *opstate_str; |
189cb9e4 | 3416 | const char *cfm_ccm_vlan; |
a5610457 | 3417 | struct cfm_settings s; |
b31bcf60 | 3418 | |
144216a3 | 3419 | if (!cfg->n_cfm_mpid) { |
892815f5 | 3420 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
3421 | return; |
3422 | } | |
3423 | ||
a5610457 | 3424 | s.mpid = *cfg->cfm_mpid; |
f67f1354 EJ |
3425 | s.interval = atoi(ovsrec_interface_get_other_config_value(iface->cfg, |
3426 | "cfm_interval", | |
3427 | "0")); | |
3428 | cfm_ccm_vlan = ovsrec_interface_get_other_config_value(iface->cfg, | |
3429 | "cfm_ccm_vlan", | |
3430 | "0"); | |
3431 | s.ccm_pcp = atoi(ovsrec_interface_get_other_config_value(iface->cfg, | |
3432 | "cfm_ccm_pcp", | |
3433 | "0")); | |
a5610457 EJ |
3434 | if (s.interval <= 0) { |
3435 | s.interval = 1000; | |
b31bcf60 | 3436 | } |
b31bcf60 | 3437 | |
189cb9e4 EJ |
3438 | if (!strcasecmp("random", cfm_ccm_vlan)) { |
3439 | s.ccm_vlan = CFM_RANDOM_VLAN; | |
3440 | } else { | |
3441 | s.ccm_vlan = atoi(cfm_ccm_vlan); | |
3442 | if (s.ccm_vlan == CFM_RANDOM_VLAN) { | |
3443 | s.ccm_vlan = 0; | |
3444 | } | |
3445 | } | |
3446 | ||
f67f1354 EJ |
3447 | extended_str = ovsrec_interface_get_other_config_value(iface->cfg, |
3448 | "cfm_extended", | |
3449 | "false"); | |
ef9819b5 EJ |
3450 | s.extended = !strcasecmp("true", extended_str); |
3451 | ||
f67f1354 EJ |
3452 | opstate_str = ovsrec_interface_get_other_config_value(iface->cfg, |
3453 | "cfm_opstate", | |
3454 | "up"); | |
86dc6501 EJ |
3455 | s.opup = !strcasecmp("up", opstate_str); |
3456 | ||
a5610457 | 3457 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 3458 | } |
0b8024eb | 3459 | |
cfea354b BP |
3460 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally |
3461 | * instead of obtaining it from the database. */ | |
3462 | static bool | |
3463 | iface_is_synthetic(const struct iface *iface) | |
3464 | { | |
3465 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
3466 | } | |
f125905c | 3467 | |
064af421 BP |
3468 | \f |
3469 | /* Port mirroring. */ | |
3470 | ||
dd0d105c BP |
3471 | static struct mirror * |
3472 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
3473 | { | |
fa066f01 | 3474 | struct mirror *m; |
dd0d105c | 3475 | |
fa066f01 BP |
3476 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
3477 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
3478 | return m; |
3479 | } | |
3480 | } | |
3481 | return NULL; | |
3482 | } | |
3483 | ||
064af421 | 3484 | static void |
fa066f01 | 3485 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 3486 | { |
fa066f01 BP |
3487 | const struct ovsdb_datum *mc; |
3488 | unsigned long *flood_vlans; | |
3489 | struct mirror *m, *next; | |
3490 | size_t i; | |
064af421 | 3491 | |
dd0d105c | 3492 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
3493 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
3494 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
3495 | union ovsdb_atom atom; | |
3496 | ||
3497 | atom.uuid = m->uuid; | |
3498 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
3499 | mirror_destroy(m); | |
064af421 BP |
3500 | } |
3501 | } | |
3502 | ||
dd0d105c | 3503 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 3504 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 3505 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 3506 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
3507 | if (!m) { |
3508 | m = mirror_create(br, cfg); | |
064af421 | 3509 | } |
9d24de3b JP |
3510 | m->cfg = cfg; |
3511 | if (!mirror_configure(m)) { | |
fa066f01 | 3512 | mirror_destroy(m); |
064af421 BP |
3513 | } |
3514 | } | |
f2d7fd66 | 3515 | |
8f30d09a | 3516 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
3517 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
3518 | br->cfg->n_flood_vlans); | |
3519 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
3520 | bitmap_free(flood_vlans); | |
064af421 BP |
3521 | } |
3522 | ||
fa066f01 BP |
3523 | static struct mirror * |
3524 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
3525 | { |
3526 | struct mirror *m; | |
064af421 | 3527 | |
fa066f01 | 3528 | m = xzalloc(sizeof *m); |
8bbc128e | 3529 | m->uuid = cfg->header_.uuid; |
fa066f01 | 3530 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 3531 | m->bridge = br; |
dd0d105c | 3532 | m->name = xstrdup(cfg->name); |
37e7f427 | 3533 | |
fa066f01 | 3534 | return m; |
064af421 BP |
3535 | } |
3536 | ||
3537 | static void | |
3538 | mirror_destroy(struct mirror *m) | |
3539 | { | |
3540 | if (m) { | |
3541 | struct bridge *br = m->bridge; | |
064af421 | 3542 | |
fa066f01 BP |
3543 | if (br->ofproto) { |
3544 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
3545 | } |
3546 | ||
fa066f01 | 3547 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 3548 | free(m->name); |
064af421 | 3549 | free(m); |
064af421 BP |
3550 | } |
3551 | } | |
3552 | ||
3553 | static void | |
fa066f01 BP |
3554 | mirror_collect_ports(struct mirror *m, |
3555 | struct ovsrec_port **in_ports, int n_in_ports, | |
3556 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 3557 | { |
fa066f01 BP |
3558 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
3559 | size_t n_out_ports = 0; | |
064af421 BP |
3560 | size_t i; |
3561 | ||
fa066f01 BP |
3562 | for (i = 0; i < n_in_ports; i++) { |
3563 | const char *name = in_ports[i]->name; | |
3564 | struct port *port = port_lookup(m->bridge, name); | |
3565 | if (port) { | |
3566 | out_ports[n_out_ports++] = port; | |
064af421 | 3567 | } else { |
37e7f427 BP |
3568 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
3569 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
3570 | } |
3571 | } | |
fa066f01 BP |
3572 | *out_portsp = out_ports; |
3573 | *n_out_portsp = n_out_ports; | |
064af421 BP |
3574 | } |
3575 | ||
3576 | static bool | |
9d24de3b | 3577 | mirror_configure(struct mirror *m) |
064af421 | 3578 | { |
9d24de3b | 3579 | const struct ovsrec_mirror *cfg = m->cfg; |
fa066f01 | 3580 | struct ofproto_mirror_settings s; |
064af421 | 3581 | |
dd0d105c BP |
3582 | /* Set name. */ |
3583 | if (strcmp(cfg->name, m->name)) { | |
3584 | free(m->name); | |
3585 | m->name = xstrdup(cfg->name); | |
3586 | } | |
fa066f01 | 3587 | s.name = m->name; |
dd0d105c | 3588 | |
fa066f01 | 3589 | /* Get output port or VLAN. */ |
37e7f427 | 3590 | if (cfg->output_port) { |
fa066f01 | 3591 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 3592 | if (!s.out_bundle) { |
37e7f427 BP |
3593 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
3594 | m->bridge->name, m->name); | |
fa066f01 | 3595 | return false; |
064af421 | 3596 | } |
fa066f01 | 3597 | s.out_vlan = UINT16_MAX; |
064af421 | 3598 | |
37e7f427 BP |
3599 | if (cfg->output_vlan) { |
3600 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
3601 | "output vlan; ignoring output vlan", | |
3602 | m->bridge->name, m->name); | |
064af421 | 3603 | } |
37e7f427 | 3604 | } else if (cfg->output_vlan) { |
fa066f01 BP |
3605 | /* The database should prevent invalid VLAN values. */ |
3606 | s.out_bundle = NULL; | |
3607 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 3608 | } else { |
37e7f427 BP |
3609 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
3610 | m->bridge->name, m->name); | |
fa066f01 | 3611 | return false; |
064af421 BP |
3612 | } |
3613 | ||
fa066f01 | 3614 | /* Get port selection. */ |
939ff267 | 3615 | if (cfg->select_all) { |
fa066f01 BP |
3616 | size_t n_ports = hmap_count(&m->bridge->ports); |
3617 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 3618 | struct port *port; |
fa066f01 BP |
3619 | size_t i; |
3620 | ||
3621 | i = 0; | |
8052fb14 | 3622 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 3623 | ports[i++] = port; |
939ff267 | 3624 | } |
fa066f01 BP |
3625 | |
3626 | s.srcs = ports; | |
3627 | s.n_srcs = n_ports; | |
3628 | ||
3629 | s.dsts = ports; | |
3630 | s.n_dsts = n_ports; | |
939ff267 | 3631 | } else { |
fa066f01 BP |
3632 | /* Get ports, dropping ports that don't exist. |
3633 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 3634 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 3635 | &s.srcs, &s.n_srcs); |
939ff267 | 3636 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 3637 | &s.dsts, &s.n_dsts); |
064af421 BP |
3638 | } |
3639 | ||
fa066f01 BP |
3640 | /* Get VLAN selection. */ |
3641 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
3642 | ||
3643 | /* Configure. */ | |
3644 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
3645 | ||
064af421 | 3646 | /* Clean up. */ |
fa066f01 BP |
3647 | if (s.srcs != s.dsts) { |
3648 | free(s.dsts); | |
3649 | } | |
3650 | free(s.srcs); | |
3651 | free(s.src_vlans); | |
3652 | ||
3653 | return true; | |
064af421 | 3654 | } |
52a90c29 BP |
3655 | \f |
3656 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
3657 | * | |
3658 | * This is deprecated. It is only for compatibility with broken device drivers | |
3659 | * in old versions of Linux that do not properly support VLANs when VLAN | |
3660 | * devices are not used. When broken device drivers are no longer in | |
3661 | * widespread use, we will delete these interfaces. */ | |
3662 | ||
3663 | static void **blocks; | |
3664 | static size_t n_blocks, allocated_blocks; | |
3665 | ||
3666 | /* Adds 'block' to a list of blocks that have to be freed with free() when the | |
3667 | * VLAN splinters are reconfigured. */ | |
3668 | static void | |
3669 | register_block(void *block) | |
3670 | { | |
3671 | if (n_blocks >= allocated_blocks) { | |
3672 | blocks = x2nrealloc(blocks, &allocated_blocks, sizeof *blocks); | |
3673 | } | |
3674 | blocks[n_blocks++] = block; | |
3675 | } | |
3676 | ||
3677 | /* Frees all of the blocks registered with register_block(). */ | |
3678 | static void | |
3679 | free_registered_blocks(void) | |
3680 | { | |
3681 | size_t i; | |
3682 | ||
3683 | for (i = 0; i < n_blocks; i++) { | |
3684 | free(blocks[i]); | |
3685 | } | |
3686 | n_blocks = 0; | |
3687 | } | |
3688 | ||
3689 | /* Returns true if VLAN splinters are enabled on 'iface_cfg', false | |
3690 | * otherwise. */ | |
3691 | static bool | |
3692 | vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg) | |
3693 | { | |
3694 | const char *value; | |
3695 | ||
f67f1354 EJ |
3696 | value = ovsrec_interface_get_other_config_value(iface_cfg, |
3697 | "enable-vlan-splinters", | |
3698 | ""); | |
52a90c29 BP |
3699 | return !strcmp(value, "true"); |
3700 | } | |
3701 | ||
3702 | /* Figures out the set of VLANs that are in use for the purpose of VLAN | |
3703 | * splinters. | |
3704 | * | |
3705 | * If VLAN splinters are enabled on at least one interface and any VLANs are in | |
3706 | * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and | |
3707 | * 4095 will not be set). The caller is responsible for freeing the bitmap, | |
3708 | * with free(). | |
3709 | * | |
3710 | * If VLANs splinters are not enabled on any interface or if no VLANs are in | |
3711 | * use, returns NULL. | |
3712 | * | |
3713 | * Updates 'vlan_splinters_enabled_anywhere'. */ | |
3714 | static unsigned long int * | |
3715 | collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg) | |
3716 | { | |
3717 | unsigned long int *splinter_vlans; | |
3718 | struct sset splinter_ifaces; | |
3719 | const char *real_dev_name; | |
3720 | struct shash *real_devs; | |
3721 | struct shash_node *node; | |
3722 | struct bridge *br; | |
3723 | size_t i; | |
3724 | ||
7c70698f BP |
3725 | /* Free space allocated for synthesized ports and interfaces, since we're |
3726 | * in the process of reconstructing all of them. */ | |
3727 | free_registered_blocks(); | |
3728 | ||
45c580a3 | 3729 | splinter_vlans = bitmap_allocate(4096); |
52a90c29 | 3730 | sset_init(&splinter_ifaces); |
45c580a3 | 3731 | vlan_splinters_enabled_anywhere = false; |
52a90c29 BP |
3732 | for (i = 0; i < ovs_cfg->n_bridges; i++) { |
3733 | struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i]; | |
3734 | size_t j; | |
3735 | ||
3736 | for (j = 0; j < br_cfg->n_ports; j++) { | |
3737 | struct ovsrec_port *port_cfg = br_cfg->ports[j]; | |
3738 | int k; | |
3739 | ||
3740 | for (k = 0; k < port_cfg->n_interfaces; k++) { | |
3741 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k]; | |
3742 | ||
3743 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
45c580a3 | 3744 | vlan_splinters_enabled_anywhere = true; |
52a90c29 | 3745 | sset_add(&splinter_ifaces, iface_cfg->name); |
52a90c29 BP |
3746 | vlan_bitmap_from_array__(port_cfg->trunks, |
3747 | port_cfg->n_trunks, | |
3748 | splinter_vlans); | |
3749 | } | |
3750 | } | |
45c580a3 BP |
3751 | |
3752 | if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) { | |
3753 | bitmap_set1(splinter_vlans, *port_cfg->tag); | |
3754 | } | |
52a90c29 BP |
3755 | } |
3756 | } | |
3757 | ||
45c580a3 BP |
3758 | if (!vlan_splinters_enabled_anywhere) { |
3759 | free(splinter_vlans); | |
52a90c29 BP |
3760 | sset_destroy(&splinter_ifaces); |
3761 | return NULL; | |
3762 | } | |
3763 | ||
3764 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
3765 | if (br->ofproto) { | |
3766 | ofproto_get_vlan_usage(br->ofproto, splinter_vlans); | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on | |
3771 | * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN | |
3772 | * device to be created for it. */ | |
3773 | bitmap_set0(splinter_vlans, 0); | |
3774 | bitmap_set0(splinter_vlans, 4095); | |
3775 | ||
3776 | /* Delete all VLAN devices that we don't need. */ | |
3777 | vlandev_refresh(); | |
3778 | real_devs = vlandev_get_real_devs(); | |
3779 | SHASH_FOR_EACH (node, real_devs) { | |
3780 | const struct vlan_real_dev *real_dev = node->data; | |
3781 | const struct vlan_dev *vlan_dev; | |
3782 | bool real_dev_has_splinters; | |
3783 | ||
3784 | real_dev_has_splinters = sset_contains(&splinter_ifaces, | |
3785 | real_dev->name); | |
3786 | HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) { | |
3787 | if (!real_dev_has_splinters | |
3788 | || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) { | |
3789 | struct netdev *netdev; | |
3790 | ||
3791 | if (!netdev_open(vlan_dev->name, "system", &netdev)) { | |
3792 | if (!netdev_get_in4(netdev, NULL, NULL) || | |
3793 | !netdev_get_in6(netdev, NULL)) { | |
3794 | vlandev_del(vlan_dev->name); | |
3795 | } else { | |
3796 | /* It has an IP address configured, so we don't own | |
3797 | * it. Don't delete it. */ | |
3798 | } | |
3799 | netdev_close(netdev); | |
3800 | } | |
3801 | } | |
3802 | ||
3803 | } | |
3804 | } | |
3805 | ||
3806 | /* Add all VLAN devices that we need. */ | |
3807 | SSET_FOR_EACH (real_dev_name, &splinter_ifaces) { | |
3808 | int vid; | |
3809 | ||
3810 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
3811 | if (!vlandev_get_name(real_dev_name, vid)) { | |
3812 | vlandev_add(real_dev_name, vid); | |
3813 | } | |
3814 | } | |
3815 | } | |
3816 | ||
3817 | vlandev_refresh(); | |
3818 | ||
3819 | sset_destroy(&splinter_ifaces); | |
3820 | ||
3821 | if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) { | |
3822 | free(splinter_vlans); | |
3823 | return NULL; | |
3824 | } | |
3825 | return splinter_vlans; | |
3826 | } | |
3827 | ||
3828 | /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to | |
3829 | * ofproto. */ | |
3830 | static void | |
3831 | configure_splinter_port(struct port *port) | |
3832 | { | |
3833 | struct ofproto *ofproto = port->bridge->ofproto; | |
3834 | uint16_t realdev_ofp_port; | |
3835 | const char *realdev_name; | |
3836 | struct iface *vlandev, *realdev; | |
3837 | ||
3838 | ofproto_bundle_unregister(port->bridge->ofproto, port); | |
3839 | ||
3840 | vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface, | |
3841 | port_elem); | |
3842 | ||
f67f1354 EJ |
3843 | realdev_name = ovsrec_port_get_other_config_value(port->cfg, |
3844 | "realdev", NULL); | |
52a90c29 BP |
3845 | realdev = iface_lookup(port->bridge, realdev_name); |
3846 | realdev_ofp_port = realdev ? realdev->ofp_port : 0; | |
3847 | ||
3848 | ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port, | |
3849 | *port->cfg->tag); | |
3850 | } | |
3851 | ||
3852 | static struct ovsrec_port * | |
3853 | synthesize_splinter_port(const char *real_dev_name, | |
3854 | const char *vlan_dev_name, int vid) | |
3855 | { | |
3856 | struct ovsrec_interface *iface; | |
3857 | struct ovsrec_port *port; | |
3858 | ||
3859 | iface = xzalloc(sizeof *iface); | |
3860 | iface->name = xstrdup(vlan_dev_name); | |
3861 | iface->type = "system"; | |
3862 | ||
3863 | port = xzalloc(sizeof *port); | |
3864 | port->interfaces = xmemdup(&iface, sizeof iface); | |
3865 | port->n_interfaces = 1; | |
3866 | port->name = xstrdup(vlan_dev_name); | |
3867 | port->vlan_mode = "splinter"; | |
3868 | port->tag = xmalloc(sizeof *port->tag); | |
3869 | *port->tag = vid; | |
3870 | port->key_other_config = xmalloc(sizeof *port->key_other_config); | |
3871 | port->key_other_config[0] = "realdev"; | |
3872 | port->value_other_config = xmalloc(sizeof *port->value_other_config); | |
3873 | port->value_other_config[0] = xstrdup(real_dev_name); | |
3874 | port->n_other_config = 1; | |
3875 | ||
3876 | register_block(iface); | |
3877 | register_block(iface->name); | |
3878 | register_block(port); | |
3879 | register_block(port->interfaces); | |
3880 | register_block(port->name); | |
3881 | register_block(port->tag); | |
3882 | register_block(port->key_other_config); | |
3883 | register_block(port->value_other_config); | |
3884 | register_block(port->value_other_config[0]); | |
3885 | ||
3886 | return port; | |
3887 | } | |
3888 | ||
3889 | /* For each interface with 'br' that has VLAN splinters enabled, adds a | |
3890 | * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a | |
3891 | * 1-bit in the 'splinter_vlans' bitmap. */ | |
3892 | static void | |
3893 | add_vlan_splinter_ports(struct bridge *br, | |
3894 | const unsigned long int *splinter_vlans, | |
3895 | struct shash *ports) | |
3896 | { | |
3897 | size_t i; | |
3898 | ||
52a90c29 BP |
3899 | /* We iterate through 'br->cfg->ports' instead of 'ports' here because |
3900 | * we're modifying 'ports'. */ | |
3901 | for (i = 0; i < br->cfg->n_ports; i++) { | |
3902 | const char *name = br->cfg->ports[i]->name; | |
3903 | struct ovsrec_port *port_cfg = shash_find_data(ports, name); | |
3904 | size_t j; | |
3905 | ||
3906 | for (j = 0; j < port_cfg->n_interfaces; j++) { | |
3907 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j]; | |
3908 | ||
3909 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
3910 | const char *real_dev_name; | |
3911 | uint16_t vid; | |
3912 | ||
3913 | real_dev_name = iface_cfg->name; | |
3914 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
3915 | const char *vlan_dev_name; | |
3916 | ||
3917 | vlan_dev_name = vlandev_get_name(real_dev_name, vid); | |
3918 | if (vlan_dev_name | |
3919 | && !shash_find(ports, vlan_dev_name)) { | |
3920 | shash_add(ports, vlan_dev_name, | |
3921 | synthesize_splinter_port( | |
3922 | real_dev_name, vlan_dev_name, vid)); | |
3923 | } | |
3924 | } | |
3925 | } | |
3926 | } | |
3927 | } | |
3928 | } | |
9d24de3b JP |
3929 | |
3930 | static void | |
3931 | mirror_refresh_stats(struct mirror *m) | |
3932 | { | |
3933 | struct ofproto *ofproto = m->bridge->ofproto; | |
3934 | uint64_t tx_packets, tx_bytes; | |
3935 | char *keys[2]; | |
3936 | int64_t values[2]; | |
3937 | size_t stat_cnt = 0; | |
3938 | ||
3939 | if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) { | |
3940 | ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0); | |
3941 | return; | |
3942 | } | |
3943 | ||
3944 | if (tx_packets != UINT64_MAX) { | |
3945 | keys[stat_cnt] = "tx_packets"; | |
3946 | values[stat_cnt] = tx_packets; | |
3947 | stat_cnt++; | |
3948 | } | |
3949 | if (tx_bytes != UINT64_MAX) { | |
3950 | keys[stat_cnt] = "tx_bytes"; | |
3951 | values[stat_cnt] = tx_bytes; | |
3952 | stat_cnt++; | |
3953 | } | |
3954 | ||
3955 | ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt); | |
3956 | } |