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b0ec0f27 | 1 | /* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks |
c93b1d6a | 2 | * |
a14bc59f BP |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
064af421 | 6 | * |
a14bc59f | 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
064af421 | 8 | * |
a14bc59f BP |
9 | * Unless required by applicable law or agreed to in writing, software |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
064af421 BP |
14 | */ |
15 | ||
16 | #include <config.h> | |
17 | #include "bridge.h" | |
10a24935 | 18 | #include "byte-order.h" |
064af421 BP |
19 | #include <assert.h> |
20 | #include <errno.h> | |
21 | #include <arpa/inet.h> | |
22 | #include <ctype.h> | |
23 | #include <inttypes.h> | |
9d82ec47 | 24 | #include <sys/socket.h> |
064af421 BP |
25 | #include <net/if.h> |
26 | #include <openflow/openflow.h> | |
27 | #include <signal.h> | |
28 | #include <stdlib.h> | |
29 | #include <strings.h> | |
30 | #include <sys/stat.h> | |
31 | #include <sys/socket.h> | |
7e40e21d | 32 | #include <sys/types.h> |
064af421 BP |
33 | #include <unistd.h> |
34 | #include "bitmap.h" | |
b31bcf60 | 35 | #include "cfm.h" |
cf3fad8a | 36 | #include "classifier.h" |
064af421 | 37 | #include "coverage.h" |
a7ff9bd7 | 38 | #include "daemon.h" |
064af421 BP |
39 | #include "dirs.h" |
40 | #include "dpif.h" | |
41 | #include "dynamic-string.h" | |
42 | #include "flow.h" | |
43 | #include "hash.h" | |
d9a8717a | 44 | #include "hmap.h" |
cd11000b | 45 | #include "jsonrpc.h" |
064af421 BP |
46 | #include "list.h" |
47 | #include "mac-learning.h" | |
48 | #include "netdev.h" | |
cdee00fd | 49 | #include "netlink.h" |
064af421 BP |
50 | #include "odp-util.h" |
51 | #include "ofp-print.h" | |
52 | #include "ofpbuf.h" | |
d65349ea | 53 | #include "ofproto/netflow.h" |
8cd4882f | 54 | #include "ofproto/ofproto.h" |
dd0d105c | 55 | #include "ovsdb-data.h" |
da285df4 | 56 | #include "packets.h" |
064af421 | 57 | #include "poll-loop.h" |
064af421 | 58 | #include "process.h" |
76343538 | 59 | #include "sha1.h" |
6c88d577 | 60 | #include "shash.h" |
064af421 | 61 | #include "socket-util.h" |
fe55ad15 | 62 | #include "stream-ssl.h" |
064af421 | 63 | #include "svec.h" |
ce887677 | 64 | #include "system-stats.h" |
064af421 BP |
65 | #include "timeval.h" |
66 | #include "util.h" | |
da285df4 | 67 | #include "unixctl.h" |
064af421 | 68 | #include "vconn.h" |
b36682d8 | 69 | #include "vswitchd/vswitch-idl.h" |
064af421 | 70 | #include "xenserver.h" |
5136ce49 | 71 | #include "vlog.h" |
72b06300 | 72 | #include "sflow_api.h" |
064af421 | 73 | |
d98e6007 | 74 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 75 | |
d76f09ea BP |
76 | COVERAGE_DEFINE(bridge_flush); |
77 | COVERAGE_DEFINE(bridge_process_flow); | |
ebe482fd EJ |
78 | COVERAGE_DEFINE(bridge_process_cfm); |
79 | COVERAGE_DEFINE(bridge_process_lacp); | |
d76f09ea | 80 | COVERAGE_DEFINE(bridge_reconfigure); |
750d79a5 | 81 | COVERAGE_DEFINE(bridge_lacp_update); |
d76f09ea | 82 | |
064af421 BP |
83 | struct dst { |
84 | uint16_t vlan; | |
85 | uint16_t dp_ifidx; | |
86 | }; | |
87 | ||
0c62a7ad BP |
88 | struct dst_set { |
89 | struct dst builtin[32]; | |
90 | struct dst *dsts; | |
91 | size_t n, allocated; | |
92 | }; | |
93 | ||
94 | static void dst_set_init(struct dst_set *); | |
95 | static void dst_set_add(struct dst_set *, const struct dst *); | |
96 | static void dst_set_free(struct dst_set *); | |
97 | ||
cd482758 EJ |
98 | enum lacp_status { |
99 | LACP_CURRENT = 0x01, /* Current State. */ | |
100 | LACP_EXPIRED = 0x02, /* Expired State. */ | |
101 | LACP_DEFAULTED = 0x04, /* Partner is defaulted. */ | |
102 | LACP_ATTACHED = 0x08, /* Attached. Interface may be choosen for flows. */ | |
103 | }; | |
104 | ||
064af421 | 105 | struct iface { |
0c6aea3f | 106 | /* These members are always valid. */ |
064af421 BP |
107 | struct port *port; /* Containing port. */ |
108 | size_t port_ifidx; /* Index within containing port. */ | |
064af421 | 109 | char *name; /* Host network device name. */ |
064af421 | 110 | tag_type tag; /* Tag associated with this interface. */ |
064af421 | 111 | long long delay_expires; /* Time after which 'enabled' may change. */ |
064af421 | 112 | |
0c6aea3f | 113 | /* These members are valid only after bridge_reconfigure() causes them to |
1e0b752d | 114 | * be initialized. */ |
d9a8717a | 115 | struct hmap_node dp_ifidx_node; /* In struct bridge's "ifaces" hmap. */ |
0c6aea3f BP |
116 | int dp_ifidx; /* Index within kernel datapath. */ |
117 | struct netdev *netdev; /* Network device. */ | |
064af421 | 118 | bool enabled; /* May be chosen for flows? */ |
c835c3bf | 119 | bool up; /* Is the interface up? */ |
6cefe1da | 120 | const char *type; /* Usually same as cfg->type. */ |
b31bcf60 | 121 | struct cfm *cfm; /* Connectivity Fault Management */ |
76343538 | 122 | const struct ovsrec_interface *cfg; |
c25c91fd EJ |
123 | |
124 | /* LACP information. */ | |
cd482758 | 125 | enum lacp_status lacp_status; /* LACP status. */ |
c25c91fd EJ |
126 | uint16_t lacp_priority; /* LACP port priority. */ |
127 | struct lacp_info lacp_actor; /* LACP actor information. */ | |
128 | struct lacp_info lacp_partner; /* LACP partner information. */ | |
129 | long long int lacp_tx; /* Next LACP message transmission time. */ | |
130 | long long int lacp_rx; /* Next LACP message receive time. */ | |
064af421 BP |
131 | }; |
132 | ||
133 | #define BOND_MASK 0xff | |
134 | struct bond_entry { | |
135 | int iface_idx; /* Index of assigned iface, or -1 if none. */ | |
136 | uint64_t tx_bytes; /* Count of bytes recently transmitted. */ | |
137 | tag_type iface_tag; /* Tag associated with iface_idx. */ | |
138 | }; | |
139 | ||
27dcaa1a | 140 | enum bond_mode { |
9f5073d8 EJ |
141 | BM_TCP, /* Transport Layer Load Balance. */ |
142 | BM_SLB, /* Source Load Balance. */ | |
27dcaa1a | 143 | BM_AB /* Active Backup. */ |
be02e7c3 EJ |
144 | }; |
145 | ||
064af421 BP |
146 | #define MAX_MIRRORS 32 |
147 | typedef uint32_t mirror_mask_t; | |
148 | #define MIRROR_MASK_C(X) UINT32_C(X) | |
149 | BUILD_ASSERT_DECL(sizeof(mirror_mask_t) * CHAR_BIT >= MAX_MIRRORS); | |
150 | struct mirror { | |
151 | struct bridge *bridge; | |
152 | size_t idx; | |
153 | char *name; | |
dd0d105c | 154 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
064af421 BP |
155 | |
156 | /* Selection criteria. */ | |
37e7f427 BP |
157 | struct shash src_ports; /* Name is port name; data is always NULL. */ |
158 | struct shash dst_ports; /* Name is port name; data is always NULL. */ | |
064af421 BP |
159 | int *vlans; |
160 | size_t n_vlans; | |
161 | ||
162 | /* Output. */ | |
163 | struct port *out_port; | |
164 | int out_vlan; | |
165 | }; | |
166 | ||
c25c91fd EJ |
167 | /* Flags for a port's lacp member. */ |
168 | #define LACP_ACTIVE 0x01 /* LACP is in active mode. */ | |
169 | #define LACP_PASSIVE 0x02 /* LACP is in passive mode. */ | |
170 | #define LACP_NEGOTIATED 0x04 /* LACP has successfully negotiated. */ | |
171 | ||
064af421 BP |
172 | #define FLOOD_PORT ((struct port *) 1) /* The 'flood' output port. */ |
173 | struct port { | |
174 | struct bridge *bridge; | |
175 | size_t port_idx; | |
176 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
3e9c481c BP |
177 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. |
178 | * NULL if all VLANs are trunked. */ | |
1e0b752d | 179 | const struct ovsrec_port *cfg; |
064af421 BP |
180 | char *name; |
181 | ||
e5ed989d EJ |
182 | /* Monitoring. */ |
183 | struct netdev_monitor *monitor; /* Tracks carrier. NULL if miimon. */ | |
184 | long long int miimon_interval; /* Miimon status refresh interval. */ | |
185 | long long int miimon_next_update; /* Time of next miimon update. */ | |
186 | ||
064af421 BP |
187 | /* An ordinary bridge port has 1 interface. |
188 | * A bridge port for bonding has at least 2 interfaces. */ | |
189 | struct iface **ifaces; | |
190 | size_t n_ifaces, allocated_ifaces; | |
191 | ||
192 | /* Bonding info. */ | |
27dcaa1a | 193 | enum bond_mode bond_mode; /* Type of the bond. BM_SLB is the default. */ |
064af421 BP |
194 | int active_iface; /* Ifidx on which bcasts accepted, or -1. */ |
195 | tag_type active_iface_tag; /* Tag for bcast flows. */ | |
196 | tag_type no_ifaces_tag; /* Tag for flows when all ifaces disabled. */ | |
197 | int updelay, downdelay; /* Delay before iface goes up/down, in ms. */ | |
76343538 | 198 | bool bond_fake_iface; /* Fake a bond interface for legacy compat? */ |
e5ae7df8 | 199 | long long int bond_next_fake_iface_update; /* Time of next update. */ |
be02e7c3 | 200 | |
c25c91fd EJ |
201 | /* LACP information. */ |
202 | int lacp; /* LACP status flags. 0 if LACP is off. */ | |
203 | uint16_t lacp_key; /* LACP aggregation key. */ | |
204 | uint16_t lacp_priority; /* LACP system priority. */ | |
205 | bool lacp_need_update; /* Need to update attached interfaces? */ | |
206 | ||
be02e7c3 EJ |
207 | /* SLB specific bonding info. */ |
208 | struct bond_entry *bond_hash; /* An array of (BOND_MASK + 1) elements. */ | |
c8143c88 BP |
209 | int bond_rebalance_interval; /* Interval between rebalances, in ms. */ |
210 | long long int bond_next_rebalance; /* Next rebalancing time. */ | |
064af421 BP |
211 | |
212 | /* Port mirroring info. */ | |
213 | mirror_mask_t src_mirrors; /* Mirrors triggered when packet received. */ | |
214 | mirror_mask_t dst_mirrors; /* Mirrors triggered when packet sent. */ | |
215 | bool is_mirror_output_port; /* Does port mirroring send frames here? */ | |
064af421 BP |
216 | }; |
217 | ||
064af421 BP |
218 | struct bridge { |
219 | struct list node; /* Node in global list of bridges. */ | |
220 | char *name; /* User-specified arbitrary name. */ | |
93dfc067 | 221 | struct mac_learning *ml; /* MAC learning table. */ |
abe457eb | 222 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 223 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 224 | const struct ovsrec_bridge *cfg; |
064af421 | 225 | |
064af421 BP |
226 | /* OpenFlow switch processing. */ |
227 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
228 | ||
229 | /* Kernel datapath information. */ | |
c228a364 | 230 | struct dpif *dpif; /* Datapath. */ |
d9a8717a | 231 | struct hmap ifaces; /* Contains "struct iface"s. */ |
064af421 BP |
232 | |
233 | /* Bridge ports. */ | |
234 | struct port **ports; | |
235 | size_t n_ports, allocated_ports; | |
4a1ee6ae | 236 | struct shash iface_by_name; /* "struct iface"s indexed by name. */ |
836fad5e | 237 | struct shash port_by_name; /* "struct port"s indexed by name. */ |
064af421 BP |
238 | |
239 | /* Bonding. */ | |
240 | bool has_bonded_ports; | |
064af421 BP |
241 | |
242 | /* Flow tracking. */ | |
243 | bool flush; | |
244 | ||
064af421 BP |
245 | /* Port mirroring. */ |
246 | struct mirror *mirrors[MAX_MIRRORS]; | |
064af421 BP |
247 | }; |
248 | ||
249 | /* List of all bridges. */ | |
250 | static struct list all_bridges = LIST_INITIALIZER(&all_bridges); | |
251 | ||
c5187f17 BP |
252 | /* OVSDB IDL used to obtain configuration. */ |
253 | static struct ovsdb_idl *idl; | |
254 | ||
cd0cd65f BP |
255 | /* Each time this timer expires, the bridge fetches systems and interface |
256 | * statistics and pushes them into the database. */ | |
257 | #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */ | |
258 | static long long int stats_timer = LLONG_MIN; | |
018f1525 | 259 | |
1a6f1e2a | 260 | static struct bridge *bridge_create(const struct ovsrec_bridge *br_cfg); |
064af421 BP |
261 | static void bridge_destroy(struct bridge *); |
262 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 263 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 264 | static unixctl_cb_func bridge_unixctl_reconnect; |
064af421 | 265 | static int bridge_run_one(struct bridge *); |
1a048029 | 266 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 267 | struct ovsrec_controller ***controllersp); |
1a048029 JP |
268 | static void bridge_reconfigure_one(struct bridge *); |
269 | static void bridge_reconfigure_remotes(struct bridge *, | |
11bbff1b BP |
270 | const struct sockaddr_in *managers, |
271 | size_t n_managers); | |
76343538 | 272 | static void bridge_get_all_ifaces(const struct bridge *, struct shash *ifaces); |
064af421 BP |
273 | static void bridge_fetch_dp_ifaces(struct bridge *); |
274 | static void bridge_flush(struct bridge *); | |
275 | static void bridge_pick_local_hw_addr(struct bridge *, | |
276 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 277 | struct iface **hw_addr_iface); |
064af421 BP |
278 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
279 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 BP |
280 | struct iface *hw_addr_iface); |
281 | static struct iface *bridge_get_local_iface(struct bridge *); | |
064af421 BP |
282 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
283 | ||
8ca79daa | 284 | static unixctl_cb_func bridge_unixctl_fdb_show; |
e8fe3026 | 285 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 286 | |
21dcb94f EJ |
287 | static void lacp_run(struct port *); |
288 | static void lacp_wait(struct port *); | |
c25c91fd EJ |
289 | static void lacp_process_packet(const struct ofpbuf *, struct iface *); |
290 | ||
da285df4 | 291 | static void bond_init(void); |
21dcb94f EJ |
292 | static void bond_run(struct port *); |
293 | static void bond_wait(struct port *); | |
064af421 | 294 | static void bond_rebalance_port(struct port *); |
2303f3b2 | 295 | static void bond_send_learning_packets(struct port *); |
8b2a2f4a | 296 | static void bond_enable_slave(struct iface *iface, bool enable); |
064af421 | 297 | |
21dcb94f EJ |
298 | static void port_run(struct port *); |
299 | static void port_wait(struct port *); | |
76343538 BP |
300 | static struct port *port_create(struct bridge *, const char *name); |
301 | static void port_reconfigure(struct port *, const struct ovsrec_port *); | |
4a1ee6ae | 302 | static void port_del_ifaces(struct port *, const struct ovsrec_port *); |
064af421 BP |
303 | static void port_destroy(struct port *); |
304 | static struct port *port_lookup(const struct bridge *, const char *name); | |
da285df4 | 305 | static struct iface *port_lookup_iface(const struct port *, const char *name); |
064af421 BP |
306 | static struct port *port_from_dp_ifidx(const struct bridge *, |
307 | uint16_t dp_ifidx); | |
0c6aea3f | 308 | static void port_update_bonding(struct port *); |
c25c91fd | 309 | static void port_update_lacp(struct port *); |
064af421 | 310 | |
dd0d105c | 311 | static void mirror_create(struct bridge *, struct ovsrec_mirror *); |
064af421 BP |
312 | static void mirror_destroy(struct mirror *); |
313 | static void mirror_reconfigure(struct bridge *); | |
37e7f427 | 314 | static void mirror_reconfigure_one(struct mirror *, struct ovsrec_mirror *); |
064af421 BP |
315 | static bool vlan_is_mirrored(const struct mirror *, int vlan); |
316 | ||
d295e8e9 | 317 | static struct iface *iface_create(struct port *port, |
a740f0de | 318 | const struct ovsrec_interface *if_cfg); |
064af421 BP |
319 | static void iface_destroy(struct iface *); |
320 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 321 | static struct iface *iface_find(const char *name); |
064af421 BP |
322 | static struct iface *iface_from_dp_ifidx(const struct bridge *, |
323 | uint16_t dp_ifidx); | |
52df17e7 | 324 | static void iface_set_mac(struct iface *); |
bcd49a45 | 325 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
c1c9c9c4 | 326 | static void iface_update_qos(struct iface *, const struct ovsrec_qos *); |
b31bcf60 EJ |
327 | static void iface_update_cfm(struct iface *); |
328 | static void iface_refresh_cfm_stats(struct iface *iface); | |
329 | static void iface_send_packet(struct iface *, struct ofpbuf *packet); | |
c25c91fd EJ |
330 | static uint8_t iface_get_lacp_state(const struct iface *); |
331 | static void iface_get_lacp_priority(struct iface *, struct lacp_info *); | |
332 | static void iface_set_lacp_defaulted(struct iface *); | |
333 | static void iface_set_lacp_expired(struct iface *); | |
e5ed989d | 334 | static void iface_update_carrier(struct iface *, bool carrier); |
064af421 | 335 | |
43776b8f BP |
336 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
337 | struct shash *); | |
ea763e0e EJ |
338 | static void shash_to_ovs_idl_map(struct shash *, |
339 | char ***keys, char ***values, size_t *n); | |
340 | ||
43776b8f | 341 | |
064af421 BP |
342 | /* Hooks into ofproto processing. */ |
343 | static struct ofhooks bridge_ofhooks; | |
344 | \f | |
345 | /* Public functions. */ | |
346 | ||
c5187f17 BP |
347 | /* Initializes the bridge module, configuring it to obtain its configuration |
348 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
349 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 350 | void |
c5187f17 BP |
351 | bridge_init(const char *remote) |
352 | { | |
353 | /* Create connection to database. */ | |
ef73f86c | 354 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
c5187f17 | 355 | |
ef73f86c BP |
356 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
357 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 BP |
358 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
359 | ||
360 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); | |
361 | ||
362 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); | |
363 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
364 | ||
ef73f86c BP |
365 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
366 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
e85bbd75 BP |
367 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
368 | ||
c5187f17 BP |
369 | /* Register unixctl commands. */ |
370 | unixctl_command_register("fdb/show", bridge_unixctl_fdb_show, NULL); | |
e8fe3026 | 371 | unixctl_command_register("qos/show", qos_unixctl_show, NULL); |
c5187f17 BP |
372 | unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows, |
373 | NULL); | |
fa05809b BP |
374 | unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect, |
375 | NULL); | |
c5187f17 BP |
376 | bond_init(); |
377 | } | |
378 | ||
ee45ad81 BP |
379 | void |
380 | bridge_exit(void) | |
381 | { | |
382 | struct bridge *br, *next_br; | |
383 | ||
384 | LIST_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { | |
385 | bridge_destroy(br); | |
386 | } | |
387 | ovsdb_idl_destroy(idl); | |
388 | } | |
389 | ||
c5187f17 BP |
390 | /* Performs configuration that is only necessary once at ovs-vswitchd startup, |
391 | * but for which the ovs-vswitchd configuration 'cfg' is required. */ | |
392 | static void | |
393 | bridge_configure_once(const struct ovsrec_open_vswitch *cfg) | |
064af421 | 394 | { |
c5187f17 | 395 | static bool already_configured_once; |
76343538 | 396 | struct svec bridge_names; |
1a6f1e2a | 397 | struct svec dpif_names, dpif_types; |
d3d22744 | 398 | size_t i; |
da285df4 | 399 | |
c5187f17 BP |
400 | /* Only do this once per ovs-vswitchd run. */ |
401 | if (already_configured_once) { | |
402 | return; | |
403 | } | |
404 | already_configured_once = true; | |
8c4c1387 | 405 | |
cd0cd65f | 406 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 407 | |
c5187f17 | 408 | /* Get all the configured bridges' names from 'cfg' into 'bridge_names'. */ |
76343538 BP |
409 | svec_init(&bridge_names); |
410 | for (i = 0; i < cfg->n_bridges; i++) { | |
411 | svec_add(&bridge_names, cfg->bridges[i]->name); | |
412 | } | |
413 | svec_sort(&bridge_names); | |
414 | ||
c5187f17 BP |
415 | /* Iterate over all system dpifs and delete any of them that do not appear |
416 | * in 'cfg'. */ | |
d2a34569 | 417 | svec_init(&dpif_names); |
1a6f1e2a JG |
418 | svec_init(&dpif_types); |
419 | dp_enumerate_types(&dpif_types); | |
420 | for (i = 0; i < dpif_types.n; i++) { | |
1a6f1e2a | 421 | size_t j; |
064af421 | 422 | |
1a6f1e2a | 423 | dp_enumerate_names(dpif_types.names[i], &dpif_names); |
d3d22744 | 424 | |
3d8c9535 | 425 | /* Delete each dpif whose name is not in 'bridge_names'. */ |
1a6f1e2a | 426 | for (j = 0; j < dpif_names.n; j++) { |
3d8c9535 BP |
427 | if (!svec_contains(&bridge_names, dpif_names.names[j])) { |
428 | struct dpif *dpif; | |
429 | int retval; | |
430 | ||
431 | retval = dpif_open(dpif_names.names[j], dpif_types.names[i], | |
432 | &dpif); | |
433 | if (!retval) { | |
434 | dpif_delete(dpif); | |
435 | dpif_close(dpif); | |
d3d22744 | 436 | } |
064af421 | 437 | } |
064af421 BP |
438 | } |
439 | } | |
7128cd6b | 440 | svec_destroy(&bridge_names); |
d0c9d304 | 441 | svec_destroy(&dpif_names); |
1a6f1e2a | 442 | svec_destroy(&dpif_types); |
064af421 BP |
443 | } |
444 | ||
64d64dd7 | 445 | /* Callback for iterate_and_prune_ifaces(). */ |
0c6aea3f | 446 | static bool |
64d64dd7 | 447 | check_iface(struct bridge *br, struct iface *iface, void *aux OVS_UNUSED) |
0c6aea3f | 448 | { |
149f577a | 449 | if (!iface->netdev) { |
64d64dd7 BP |
450 | /* We already reported a related error, don't bother duplicating it. */ |
451 | return false; | |
0c6aea3f | 452 | } |
149f577a | 453 | |
64d64dd7 | 454 | if (iface->dp_ifidx < 0) { |
6ae39834 BP |
455 | VLOG_ERR("%s interface not in %s, dropping", |
456 | iface->name, dpif_name(br->dpif)); | |
457 | return false; | |
458 | } | |
64d64dd7 BP |
459 | |
460 | VLOG_DBG("%s has interface %s on port %d", dpif_name(br->dpif), | |
461 | iface->name, iface->dp_ifidx); | |
462 | return true; | |
6ae39834 BP |
463 | } |
464 | ||
64d64dd7 | 465 | /* Callback for iterate_and_prune_ifaces(). */ |
795fe1fb | 466 | static bool |
67a4917b BP |
467 | set_iface_properties(struct bridge *br OVS_UNUSED, struct iface *iface, |
468 | void *aux OVS_UNUSED) | |
795fe1fb | 469 | { |
4d678233 | 470 | /* Set policing attributes. */ |
76343538 BP |
471 | netdev_set_policing(iface->netdev, |
472 | iface->cfg->ingress_policing_rate, | |
473 | iface->cfg->ingress_policing_burst); | |
4d678233 BP |
474 | |
475 | /* Set MAC address of internal interfaces other than the local | |
476 | * interface. */ | |
6cefe1da | 477 | if (iface->dp_ifidx != ODPP_LOCAL && !strcmp(iface->type, "internal")) { |
4d678233 BP |
478 | iface_set_mac(iface); |
479 | } | |
480 | ||
795fe1fb BP |
481 | return true; |
482 | } | |
483 | ||
6ae39834 BP |
484 | /* Calls 'cb' for each interfaces in 'br', passing along the 'aux' argument. |
485 | * Deletes from 'br' all the interfaces for which 'cb' returns false, and then | |
486 | * deletes from 'br' any ports that no longer have any interfaces. */ | |
487 | static void | |
488 | iterate_and_prune_ifaces(struct bridge *br, | |
489 | bool (*cb)(struct bridge *, struct iface *, | |
490 | void *aux), | |
491 | void *aux) | |
492 | { | |
493 | size_t i, j; | |
494 | ||
495 | for (i = 0; i < br->n_ports; ) { | |
496 | struct port *port = br->ports[i]; | |
497 | for (j = 0; j < port->n_ifaces; ) { | |
498 | struct iface *iface = port->ifaces[j]; | |
499 | if (cb(br, iface, aux)) { | |
500 | j++; | |
501 | } else { | |
bcd49a45 | 502 | iface_set_ofport(iface->cfg, -1); |
6ae39834 BP |
503 | iface_destroy(iface); |
504 | } | |
505 | } | |
506 | ||
507 | if (port->n_ifaces) { | |
508 | i++; | |
509 | } else { | |
cca46d33 | 510 | VLOG_WARN("%s port has no interfaces, dropping", port->name); |
6ae39834 BP |
511 | port_destroy(port); |
512 | } | |
513 | } | |
514 | } | |
515 | ||
cd11000b BP |
516 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
517 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
518 | * responsible for freeing '*managersp' (with free()). | |
519 | * | |
520 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
521 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
522 | * should not be and in fact is not directly involved in that. But | |
523 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
524 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 525 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
526 | */ |
527 | static void | |
94db5407 BP |
528 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
529 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
530 | { |
531 | struct sockaddr_in *managers = NULL; | |
532 | size_t n_managers = 0; | |
94db5407 BP |
533 | struct shash targets; |
534 | size_t i; | |
535 | ||
289df16d AE |
536 | /* Collect all of the potential targets from the "targets" columns of the |
537 | * rows pointed to by "manager_options", excluding any that are | |
538 | * out-of-band. */ | |
94db5407 | 539 | shash_init(&targets); |
94db5407 BP |
540 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
541 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
542 | ||
543 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
544 | shash_find_and_delete(&targets, m->target); | |
545 | } else { | |
546 | shash_add_once(&targets, m->target, NULL); | |
547 | } | |
548 | } | |
cd11000b | 549 | |
94db5407 BP |
550 | /* Now extract the targets' IP addresses. */ |
551 | if (!shash_is_empty(&targets)) { | |
552 | struct shash_node *node; | |
cd11000b | 553 | |
94db5407 BP |
554 | managers = xmalloc(shash_count(&targets) * sizeof *managers); |
555 | SHASH_FOR_EACH (node, &targets) { | |
556 | const char *target = node->name; | |
557 | struct sockaddr_in *sin = &managers[n_managers]; | |
cd11000b | 558 | |
94db5407 BP |
559 | if ((!strncmp(target, "tcp:", 4) |
560 | && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) || | |
561 | (!strncmp(target, "ssl:", 4) | |
562 | && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) { | |
cd11000b BP |
563 | n_managers++; |
564 | } | |
565 | } | |
566 | } | |
94db5407 | 567 | shash_destroy(&targets); |
cd11000b BP |
568 | |
569 | *managersp = managers; | |
570 | *n_managersp = n_managers; | |
571 | } | |
572 | ||
c5187f17 | 573 | static void |
76343538 | 574 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 575 | { |
76343538 BP |
576 | struct shash old_br, new_br; |
577 | struct shash_node *node; | |
064af421 | 578 | struct bridge *br, *next; |
cd11000b BP |
579 | struct sockaddr_in *managers; |
580 | size_t n_managers; | |
6ae39834 | 581 | size_t i; |
72b06300 | 582 | int sflow_bridge_number; |
064af421 BP |
583 | |
584 | COVERAGE_INC(bridge_reconfigure); | |
585 | ||
94db5407 | 586 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); |
cd11000b | 587 | |
632d136c | 588 | /* Collect old and new bridges. */ |
76343538 BP |
589 | shash_init(&old_br); |
590 | shash_init(&new_br); | |
4e8e4213 | 591 | LIST_FOR_EACH (br, node, &all_bridges) { |
76343538 BP |
592 | shash_add(&old_br, br->name, br); |
593 | } | |
594 | for (i = 0; i < ovs_cfg->n_bridges; i++) { | |
595 | const struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i]; | |
596 | if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
597 | VLOG_WARN("more than one bridge named %s", br_cfg->name); | |
598 | } | |
064af421 | 599 | } |
064af421 BP |
600 | |
601 | /* Get rid of deleted bridges and add new bridges. */ | |
4e8e4213 | 602 | LIST_FOR_EACH_SAFE (br, next, node, &all_bridges) { |
76343538 BP |
603 | struct ovsrec_bridge *br_cfg = shash_find_data(&new_br, br->name); |
604 | if (br_cfg) { | |
605 | br->cfg = br_cfg; | |
606 | } else { | |
064af421 BP |
607 | bridge_destroy(br); |
608 | } | |
609 | } | |
76343538 BP |
610 | SHASH_FOR_EACH (node, &new_br) { |
611 | const char *br_name = node->name; | |
612 | const struct ovsrec_bridge *br_cfg = node->data; | |
1a6f1e2a JG |
613 | br = shash_find_data(&old_br, br_name); |
614 | if (br) { | |
615 | /* If the bridge datapath type has changed, we need to tear it | |
616 | * down and recreate. */ | |
617 | if (strcmp(br->cfg->datapath_type, br_cfg->datapath_type)) { | |
618 | bridge_destroy(br); | |
619 | bridge_create(br_cfg); | |
fa33d64a | 620 | } |
1a6f1e2a JG |
621 | } else { |
622 | bridge_create(br_cfg); | |
064af421 BP |
623 | } |
624 | } | |
76343538 BP |
625 | shash_destroy(&old_br); |
626 | shash_destroy(&new_br); | |
064af421 | 627 | |
064af421 | 628 | /* Reconfigure all bridges. */ |
4e8e4213 | 629 | LIST_FOR_EACH (br, node, &all_bridges) { |
1a048029 | 630 | bridge_reconfigure_one(br); |
064af421 BP |
631 | } |
632 | ||
633 | /* Add and delete ports on all datapaths. | |
634 | * | |
635 | * The kernel will reject any attempt to add a given port to a datapath if | |
636 | * that port already belongs to a different datapath, so we must do all | |
637 | * port deletions before any port additions. */ | |
4e8e4213 | 638 | LIST_FOR_EACH (br, node, &all_bridges) { |
b0ec0f27 | 639 | struct dpif_port_dump dump; |
76343538 | 640 | struct shash want_ifaces; |
4c738a8d | 641 | struct dpif_port dpif_port; |
064af421 | 642 | |
064af421 | 643 | bridge_get_all_ifaces(br, &want_ifaces); |
4c738a8d BP |
644 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) { |
645 | if (!shash_find(&want_ifaces, dpif_port.name) | |
646 | && strcmp(dpif_port.name, br->name)) { | |
647 | int retval = dpif_port_del(br->dpif, dpif_port.port_no); | |
064af421 | 648 | if (retval) { |
cca46d33 BP |
649 | VLOG_WARN("failed to remove %s interface from %s: %s", |
650 | dpif_port.name, dpif_name(br->dpif), | |
651 | strerror(retval)); | |
064af421 BP |
652 | } |
653 | } | |
654 | } | |
76343538 | 655 | shash_destroy(&want_ifaces); |
064af421 | 656 | } |
4e8e4213 | 657 | LIST_FOR_EACH (br, node, &all_bridges) { |
76343538 | 658 | struct shash cur_ifaces, want_ifaces; |
b0ec0f27 | 659 | struct dpif_port_dump dump; |
4c738a8d | 660 | struct dpif_port dpif_port; |
064af421 | 661 | |
76343538 | 662 | /* Get the set of interfaces currently in this datapath. */ |
76343538 | 663 | shash_init(&cur_ifaces); |
4c738a8d | 664 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) { |
b0ec0f27 | 665 | struct dpif_port *port_info = xmalloc(sizeof *port_info); |
4c738a8d BP |
666 | dpif_port_clone(port_info, &dpif_port); |
667 | shash_add(&cur_ifaces, dpif_port.name, port_info); | |
064af421 | 668 | } |
064af421 | 669 | |
76343538 BP |
670 | /* Get the set of interfaces we want on this datapath. */ |
671 | bridge_get_all_ifaces(br, &want_ifaces); | |
6c88d577 | 672 | |
3a6ccc8c | 673 | hmap_clear(&br->ifaces); |
76343538 BP |
674 | SHASH_FOR_EACH (node, &want_ifaces) { |
675 | const char *if_name = node->name; | |
676 | struct iface *iface = node->data; | |
b0ec0f27 BP |
677 | struct dpif_port *dpif_port; |
678 | const char *type; | |
3a6ccc8c BP |
679 | int error; |
680 | ||
b0ec0f27 BP |
681 | type = iface ? iface->type : "internal"; |
682 | dpif_port = shash_find_data(&cur_ifaces, if_name); | |
683 | ||
3a6ccc8c BP |
684 | /* If we have a port or a netdev already, and it's not the type we |
685 | * want, then delete the port (if any) and close the netdev (if | |
686 | * any). */ | |
c3827f61 BP |
687 | if ((dpif_port && strcmp(dpif_port->type, type)) |
688 | || (iface && iface->netdev | |
689 | && strcmp(type, netdev_get_type(iface->netdev)))) { | |
3a6ccc8c | 690 | if (dpif_port) { |
b0ec0f27 | 691 | error = ofproto_port_del(br->ofproto, dpif_port->port_no); |
3a6ccc8c BP |
692 | if (error) { |
693 | continue; | |
694 | } | |
695 | dpif_port = NULL; | |
76343538 | 696 | } |
3a6ccc8c BP |
697 | if (iface) { |
698 | netdev_close(iface->netdev); | |
699 | iface->netdev = NULL; | |
700 | } | |
701 | } | |
76343538 | 702 | |
c3827f61 BP |
703 | /* If the port doesn't exist or we don't have the netdev open, |
704 | * we need to do more work. */ | |
705 | if (!dpif_port || (iface && !iface->netdev)) { | |
706 | struct netdev_options options; | |
707 | struct netdev *netdev; | |
708 | struct shash args; | |
709 | ||
710 | /* First open the network device. */ | |
711 | options.name = if_name; | |
712 | options.type = type; | |
713 | options.args = &args; | |
714 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
715 | ||
716 | shash_init(&args); | |
717 | if (iface) { | |
6b4186af | 718 | shash_from_ovs_idl_map(iface->cfg->key_options, |
fe4838bc JP |
719 | iface->cfg->value_options, |
720 | iface->cfg->n_options, &args); | |
82057f51 | 721 | } |
c3827f61 BP |
722 | error = netdev_open(&options, &netdev); |
723 | shash_destroy(&args); | |
82057f51 | 724 | |
c3827f61 BP |
725 | if (error) { |
726 | VLOG_WARN("could not open network device %s (%s)", | |
727 | if_name, strerror(error)); | |
3a6ccc8c | 728 | continue; |
76343538 | 729 | } |
3a6ccc8c | 730 | |
c3827f61 BP |
731 | /* Then add the port if we haven't already. */ |
732 | if (!dpif_port) { | |
733 | error = dpif_port_add(br->dpif, netdev, NULL); | |
3a6ccc8c | 734 | if (error) { |
c3827f61 BP |
735 | netdev_close(netdev); |
736 | if (error == EFBIG) { | |
737 | VLOG_ERR("ran out of valid port numbers on %s", | |
738 | dpif_name(br->dpif)); | |
739 | break; | |
740 | } else { | |
cca46d33 BP |
741 | VLOG_WARN("failed to add %s interface to %s: %s", |
742 | if_name, dpif_name(br->dpif), | |
743 | strerror(error)); | |
c3827f61 BP |
744 | continue; |
745 | } | |
3a6ccc8c BP |
746 | } |
747 | } | |
c3827f61 BP |
748 | |
749 | /* Update 'iface'. */ | |
750 | if (iface) { | |
751 | iface->netdev = netdev; | |
752 | iface->enabled = netdev_get_carrier(iface->netdev); | |
c835c3bf | 753 | iface->up = iface->enabled; |
c3827f61 BP |
754 | } |
755 | } else if (iface && iface->netdev) { | |
756 | struct shash args; | |
757 | ||
758 | shash_init(&args); | |
6b4186af | 759 | shash_from_ovs_idl_map(iface->cfg->key_options, |
fe4838bc JP |
760 | iface->cfg->value_options, |
761 | iface->cfg->n_options, &args); | |
6d9e6eb4 | 762 | netdev_set_config(iface->netdev, &args); |
c3827f61 | 763 | shash_destroy(&args); |
3a6ccc8c | 764 | } |
064af421 | 765 | } |
76343538 | 766 | shash_destroy(&want_ifaces); |
b0ec0f27 BP |
767 | |
768 | SHASH_FOR_EACH (node, &cur_ifaces) { | |
769 | struct dpif_port *port_info = node->data; | |
4c738a8d | 770 | dpif_port_destroy(port_info); |
b0ec0f27 BP |
771 | free(port_info); |
772 | } | |
773 | shash_destroy(&cur_ifaces); | |
064af421 | 774 | } |
72b06300 | 775 | sflow_bridge_number = 0; |
4e8e4213 | 776 | LIST_FOR_EACH (br, node, &all_bridges) { |
064af421 BP |
777 | uint8_t ea[8]; |
778 | uint64_t dpid; | |
07c318f4 BP |
779 | struct iface *local_iface; |
780 | struct iface *hw_addr_iface; | |
093e47f4 | 781 | char *dpid_string; |
064af421 | 782 | |
064af421 | 783 | bridge_fetch_dp_ifaces(br); |
064af421 | 784 | |
64d64dd7 | 785 | iterate_and_prune_ifaces(br, check_iface, NULL); |
064af421 BP |
786 | |
787 | /* Pick local port hardware address, datapath ID. */ | |
07c318f4 BP |
788 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
789 | local_iface = bridge_get_local_iface(br); | |
064af421 | 790 | if (local_iface) { |
07c318f4 | 791 | int error = netdev_set_etheraddr(local_iface->netdev, ea); |
064af421 BP |
792 | if (error) { |
793 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
794 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
795 | "Ethernet address: %s", | |
796 | br->name, strerror(error)); | |
797 | } | |
798 | } | |
abe457eb | 799 | memcpy(br->ea, ea, ETH_ADDR_LEN); |
064af421 | 800 | |
07c318f4 | 801 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
064af421 BP |
802 | ofproto_set_datapath_id(br->ofproto, dpid); |
803 | ||
fc09119a | 804 | dpid_string = xasprintf("%016"PRIx64, dpid); |
093e47f4 BP |
805 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); |
806 | free(dpid_string); | |
807 | ||
064af421 | 808 | /* Set NetFlow configuration on this bridge. */ |
76343538 BP |
809 | if (br->cfg->netflow) { |
810 | struct ovsrec_netflow *nf_cfg = br->cfg->netflow; | |
811 | struct netflow_options opts; | |
812 | ||
813 | memset(&opts, 0, sizeof opts); | |
814 | ||
815 | dpif_get_netflow_ids(br->dpif, &opts.engine_type, &opts.engine_id); | |
816 | if (nf_cfg->engine_type) { | |
cd746526 | 817 | opts.engine_type = *nf_cfg->engine_type; |
76343538 BP |
818 | } |
819 | if (nf_cfg->engine_id) { | |
cd746526 | 820 | opts.engine_id = *nf_cfg->engine_id; |
76343538 BP |
821 | } |
822 | ||
823 | opts.active_timeout = nf_cfg->active_timeout; | |
824 | if (!opts.active_timeout) { | |
825 | opts.active_timeout = -1; | |
826 | } else if (opts.active_timeout < 0) { | |
e9e2856e JG |
827 | VLOG_WARN("bridge %s: active timeout interval set to negative " |
828 | "value, using default instead (%d seconds)", br->name, | |
829 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
830 | opts.active_timeout = -1; | |
76343538 BP |
831 | } |
832 | ||
833 | opts.add_id_to_iface = nf_cfg->add_id_to_interface; | |
834 | if (opts.add_id_to_iface) { | |
835 | if (opts.engine_id > 0x7f) { | |
836 | VLOG_WARN("bridge %s: netflow port mangling may conflict " | |
837 | "with another vswitch, choose an engine id less " | |
838 | "than 128", br->name); | |
839 | } | |
840 | if (br->n_ports > 508) { | |
841 | VLOG_WARN("bridge %s: netflow port mangling will conflict " | |
842 | "with another port when more than 508 ports are " | |
843 | "used", br->name); | |
844 | } | |
845 | } | |
846 | ||
847 | opts.collectors.n = nf_cfg->n_targets; | |
848 | opts.collectors.names = nf_cfg->targets; | |
849 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
d295e8e9 | 850 | VLOG_ERR("bridge %s: problem setting netflow collectors", |
76343538 BP |
851 | br->name); |
852 | } | |
853 | } else { | |
854 | ofproto_set_netflow(br->ofproto, NULL); | |
855 | } | |
064af421 | 856 | |
a4af0040 JP |
857 | /* Set sFlow configuration on this bridge. */ |
858 | if (br->cfg->sflow) { | |
d49d354b | 859 | const struct ovsrec_sflow *sflow_cfg = br->cfg->sflow; |
76ce9432 | 860 | struct ovsrec_controller **controllers; |
72b06300 | 861 | struct ofproto_sflow_options oso; |
76ce9432 | 862 | size_t n_controllers; |
72b06300 | 863 | |
a4af0040 JP |
864 | memset(&oso, 0, sizeof oso); |
865 | ||
866 | oso.targets.n = sflow_cfg->n_targets; | |
867 | oso.targets.names = sflow_cfg->targets; | |
72b06300 BP |
868 | |
869 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; | |
a4af0040 JP |
870 | if (sflow_cfg->sampling) { |
871 | oso.sampling_rate = *sflow_cfg->sampling; | |
72b06300 BP |
872 | } |
873 | ||
874 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
a4af0040 JP |
875 | if (sflow_cfg->polling) { |
876 | oso.polling_interval = *sflow_cfg->polling; | |
72b06300 BP |
877 | } |
878 | ||
879 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; | |
a4af0040 JP |
880 | if (sflow_cfg->header) { |
881 | oso.header_len = *sflow_cfg->header; | |
72b06300 BP |
882 | } |
883 | ||
884 | oso.sub_id = sflow_bridge_number++; | |
a4af0040 JP |
885 | oso.agent_device = sflow_cfg->agent; |
886 | ||
76ce9432 | 887 | oso.control_ip = NULL; |
1a048029 | 888 | n_controllers = bridge_get_controllers(br, &controllers); |
76ce9432 BP |
889 | for (i = 0; i < n_controllers; i++) { |
890 | if (controllers[i]->local_ip) { | |
891 | oso.control_ip = controllers[i]->local_ip; | |
892 | break; | |
893 | } | |
894 | } | |
72b06300 BP |
895 | ofproto_set_sflow(br->ofproto, &oso); |
896 | ||
7b99db05 | 897 | /* Do not destroy oso.targets because it is owned by sflow_cfg. */ |
72b06300 BP |
898 | } else { |
899 | ofproto_set_sflow(br->ofproto, NULL); | |
900 | } | |
901 | ||
064af421 BP |
902 | /* Update the controller and related settings. It would be more |
903 | * straightforward to call this from bridge_reconfigure_one(), but we | |
904 | * can't do it there for two reasons. First, and most importantly, at | |
905 | * that point we don't know the dp_ifidx of any interfaces that have | |
906 | * been added to the bridge (because we haven't actually added them to | |
907 | * the datapath). Second, at that point we haven't set the datapath ID | |
908 | * yet; when a controller is configured, resetting the datapath ID will | |
909 | * immediately disconnect from the controller, so it's better to set | |
910 | * the datapath ID before the controller. */ | |
1a048029 | 911 | bridge_reconfigure_remotes(br, managers, n_managers); |
064af421 | 912 | } |
4e8e4213 | 913 | LIST_FOR_EACH (br, node, &all_bridges) { |
064af421 BP |
914 | for (i = 0; i < br->n_ports; i++) { |
915 | struct port *port = br->ports[i]; | |
c1c9c9c4 | 916 | int j; |
52df17e7 | 917 | |
e5ed989d EJ |
918 | if (port->monitor) { |
919 | for (j = 0; j < port->n_ifaces; j++) { | |
920 | netdev_monitor_add(port->monitor, port->ifaces[j]->netdev); | |
921 | } | |
922 | } else { | |
923 | port->miimon_next_update = 0; | |
924 | } | |
925 | ||
0c6aea3f | 926 | port_update_bonding(port); |
c25c91fd | 927 | port_update_lacp(port); |
c1c9c9c4 BP |
928 | |
929 | for (j = 0; j < port->n_ifaces; j++) { | |
930 | iface_update_qos(port->ifaces[j], port->cfg->qos); | |
931 | } | |
064af421 BP |
932 | } |
933 | } | |
4e8e4213 | 934 | LIST_FOR_EACH (br, node, &all_bridges) { |
4d678233 | 935 | iterate_and_prune_ifaces(br, set_iface_properties, NULL); |
064af421 | 936 | } |
093e47f4 | 937 | |
b31bcf60 EJ |
938 | LIST_FOR_EACH (br, node, &all_bridges) { |
939 | struct iface *iface; | |
940 | HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) { | |
941 | iface_update_cfm(iface); | |
942 | } | |
943 | } | |
944 | ||
cd11000b | 945 | free(managers); |
a7ff9bd7 BP |
946 | |
947 | /* ovs-vswitchd has completed initialization, so allow the process that | |
948 | * forked us to exit successfully. */ | |
949 | daemonize_complete(); | |
093e47f4 BP |
950 | } |
951 | ||
952 | static const char * | |
af6278e1 BP |
953 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
954 | const struct ovsdb_idl_column *column, | |
955 | const char *key) | |
093e47f4 | 956 | { |
af6278e1 BP |
957 | const struct ovsdb_datum *datum; |
958 | union ovsdb_atom atom; | |
959 | unsigned int idx; | |
093e47f4 | 960 | |
af6278e1 BP |
961 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
962 | atom.string = (char *) key; | |
963 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
964 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
965 | } |
966 | ||
c8143c88 BP |
967 | static const char * |
968 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
969 | { | |
af6278e1 BP |
970 | return get_ovsrec_key_value(&br_cfg->header_, |
971 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
972 | } |
973 | ||
064af421 BP |
974 | static void |
975 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 976 | struct iface **hw_addr_iface) |
064af421 | 977 | { |
093e47f4 | 978 | const char *hwaddr; |
064af421 BP |
979 | size_t i, j; |
980 | int error; | |
981 | ||
07c318f4 | 982 | *hw_addr_iface = NULL; |
064af421 BP |
983 | |
984 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
985 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
986 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
987 | if (eth_addr_is_multicast(ea)) { |
988 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
989 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
990 | } else if (eth_addr_is_zero(ea)) { | |
991 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
992 | } else { | |
993 | return; | |
994 | } | |
995 | } | |
996 | ||
141f4942 BP |
997 | /* Otherwise choose the minimum non-local MAC address among all of the |
998 | * interfaces. */ | |
0b420b10 | 999 | memset(ea, 0xff, ETH_ADDR_LEN); |
064af421 BP |
1000 | for (i = 0; i < br->n_ports; i++) { |
1001 | struct port *port = br->ports[i]; | |
58b7527e | 1002 | uint8_t iface_ea[ETH_ADDR_LEN]; |
58b7527e BP |
1003 | struct iface *iface; |
1004 | ||
1005 | /* Mirror output ports don't participate. */ | |
064af421 BP |
1006 | if (port->is_mirror_output_port) { |
1007 | continue; | |
1008 | } | |
58b7527e BP |
1009 | |
1010 | /* Choose the MAC address to represent the port. */ | |
76343538 | 1011 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1012 | /* Find the interface with this Ethernet address (if any) so that |
1013 | * we can provide the correct devname to the caller. */ | |
1014 | iface = NULL; | |
1015 | for (j = 0; j < port->n_ifaces; j++) { | |
1016 | struct iface *candidate = port->ifaces[j]; | |
1017 | uint8_t candidate_ea[ETH_ADDR_LEN]; | |
8fef8c71 | 1018 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1019 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1020 | iface = candidate; | |
1021 | } | |
1022 | } | |
58b7527e BP |
1023 | } else { |
1024 | /* Choose the interface whose MAC address will represent the port. | |
1025 | * The Linux kernel bonding code always chooses the MAC address of | |
1026 | * the first slave added to a bond, and the Fedora networking | |
1027 | * scripts always add slaves to a bond in alphabetical order, so | |
1028 | * for compatibility we choose the interface with the name that is | |
1029 | * first in alphabetical order. */ | |
1030 | iface = port->ifaces[0]; | |
1031 | for (j = 1; j < port->n_ifaces; j++) { | |
1032 | struct iface *candidate = port->ifaces[j]; | |
1033 | if (strcmp(candidate->name, iface->name) < 0) { | |
1034 | iface = candidate; | |
1035 | } | |
1036 | } | |
1037 | ||
1038 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 BP |
1039 | * MAC address anyway). */ |
1040 | if (iface->dp_ifidx == ODPP_LOCAL) { | |
064af421 BP |
1041 | continue; |
1042 | } | |
58b7527e BP |
1043 | |
1044 | /* Grab MAC. */ | |
07c318f4 | 1045 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1046 | if (error) { |
064af421 BP |
1047 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
1048 | VLOG_ERR_RL(&rl, "failed to obtain Ethernet address of %s: %s", | |
1049 | iface->name, strerror(error)); | |
58b7527e | 1050 | continue; |
064af421 BP |
1051 | } |
1052 | } | |
58b7527e BP |
1053 | |
1054 | /* Compare against our current choice. */ | |
1055 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1056 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1057 | !eth_addr_is_reserved(iface_ea) && |
1058 | !eth_addr_is_zero(iface_ea) && | |
130f6e5f | 1059 | eth_addr_compare_3way(iface_ea, ea) < 0) |
58b7527e | 1060 | { |
0babc06f | 1061 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1062 | *hw_addr_iface = iface; |
58b7527e | 1063 | } |
064af421 | 1064 | } |
141f4942 | 1065 | if (eth_addr_is_multicast(ea)) { |
064af421 | 1066 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1067 | *hw_addr_iface = NULL; |
064af421 BP |
1068 | VLOG_WARN("bridge %s: using default bridge Ethernet " |
1069 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1070 | } else { | |
1071 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1072 | br->name, ETH_ADDR_ARGS(ea)); | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1077 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1078 | * an interface on 'br', then that interface must be passed in as |
1079 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1080 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1081 | static uint64_t |
1082 | bridge_pick_datapath_id(struct bridge *br, | |
1083 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1084 | struct iface *hw_addr_iface) |
064af421 BP |
1085 | { |
1086 | /* | |
1087 | * The procedure for choosing a bridge MAC address will, in the most | |
1088 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1089 | * ID. In some special cases, though, multiple bridges will end up with | |
1090 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1091 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1092 | * ID. | |
1093 | * | |
1094 | * Datapath IDs must be unique. It is also very desirable that they be | |
1095 | * stable from one run to the next, so that policy set on a datapath | |
1096 | * "sticks". | |
1097 | */ | |
093e47f4 | 1098 | const char *datapath_id; |
064af421 BP |
1099 | uint64_t dpid; |
1100 | ||
093e47f4 BP |
1101 | datapath_id = bridge_get_other_config(br->cfg, "datapath-id"); |
1102 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { | |
064af421 BP |
1103 | return dpid; |
1104 | } | |
1105 | ||
07c318f4 | 1106 | if (hw_addr_iface) { |
064af421 | 1107 | int vlan; |
b2f17b15 | 1108 | if (!netdev_get_vlan_vid(hw_addr_iface->netdev, &vlan)) { |
064af421 BP |
1109 | /* |
1110 | * A bridge whose MAC address is taken from a VLAN network device | |
1111 | * (that is, a network device created with vconfig(8) or similar | |
1112 | * tool) will have the same MAC address as a bridge on the VLAN | |
1113 | * device's physical network device. | |
1114 | * | |
1115 | * Handle this case by hashing the physical network device MAC | |
1116 | * along with the VLAN identifier. | |
1117 | */ | |
1118 | uint8_t buf[ETH_ADDR_LEN + 2]; | |
1119 | memcpy(buf, bridge_ea, ETH_ADDR_LEN); | |
1120 | buf[ETH_ADDR_LEN] = vlan >> 8; | |
1121 | buf[ETH_ADDR_LEN + 1] = vlan; | |
1122 | return dpid_from_hash(buf, sizeof buf); | |
1123 | } else { | |
1124 | /* | |
1125 | * Assume that this bridge's MAC address is unique, since it | |
1126 | * doesn't fit any of the cases we handle specially. | |
1127 | */ | |
1128 | } | |
1129 | } else { | |
1130 | /* | |
1131 | * A purely internal bridge, that is, one that has no non-virtual | |
1132 | * network devices on it at all, is more difficult because it has no | |
1133 | * natural unique identifier at all. | |
1134 | * | |
1135 | * When the host is a XenServer, we handle this case by hashing the | |
1136 | * host's UUID with the name of the bridge. Names of bridges are | |
1137 | * persistent across XenServer reboots, although they can be reused if | |
1138 | * an internal network is destroyed and then a new one is later | |
1139 | * created, so this is fairly effective. | |
1140 | * | |
1141 | * When the host is not a XenServer, we punt by using a random MAC | |
1142 | * address on each run. | |
1143 | */ | |
1144 | const char *host_uuid = xenserver_get_host_uuid(); | |
1145 | if (host_uuid) { | |
1146 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1147 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1148 | free(combined); | |
1149 | return dpid; | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | return eth_addr_to_uint64(bridge_ea); | |
1154 | } | |
1155 | ||
1156 | static uint64_t | |
1157 | dpid_from_hash(const void *data, size_t n) | |
1158 | { | |
5eccf359 | 1159 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1160 | |
1161 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1162 | sha1_bytes(data, n, hash); |
064af421 BP |
1163 | eth_addr_mark_random(hash); |
1164 | return eth_addr_to_uint64(hash); | |
1165 | } | |
1166 | ||
ea83a2fc | 1167 | static void |
ea763e0e | 1168 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1169 | { |
ea763e0e EJ |
1170 | struct shash sh; |
1171 | ||
e210037e AE |
1172 | enum netdev_flags flags; |
1173 | uint32_t current; | |
1174 | int64_t bps; | |
1175 | int mtu; | |
1176 | int64_t mtu_64; | |
1177 | int error; | |
1178 | ||
ea763e0e EJ |
1179 | shash_init(&sh); |
1180 | ||
1181 | if (!netdev_get_status(iface->netdev, &sh)) { | |
1182 | size_t n; | |
1183 | char **keys, **values; | |
ea83a2fc | 1184 | |
ea763e0e EJ |
1185 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1186 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1187 | ||
1188 | free(keys); | |
1189 | free(values); | |
1190 | } else { | |
1191 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1192 | } | |
1193 | ||
1194 | shash_destroy_free_data(&sh); | |
e210037e AE |
1195 | |
1196 | error = netdev_get_flags(iface->netdev, &flags); | |
1197 | if (!error) { | |
1198 | ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down"); | |
1199 | } | |
1200 | else { | |
1201 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1202 | } | |
1203 | ||
1204 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1205 | if (!error) { | |
1206 | ovsrec_interface_set_duplex(iface->cfg, | |
1207 | netdev_features_is_full_duplex(current) | |
1208 | ? "full" : "half"); | |
1209 | /* warning: uint64_t -> int64_t conversion */ | |
1210 | bps = netdev_features_to_bps(current); | |
1211 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1212 | } | |
1213 | else { | |
1214 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1215 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1216 | } | |
1217 | ||
1218 | ||
1219 | ovsrec_interface_set_link_state(iface->cfg, | |
1220 | netdev_get_carrier(iface->netdev) | |
1221 | ? "up" : "down"); | |
1222 | ||
1223 | error = netdev_get_mtu(iface->netdev, &mtu); | |
f915f1a8 | 1224 | if (!error && mtu != INT_MAX) { |
e210037e AE |
1225 | mtu_64 = mtu; |
1226 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1227 | } | |
1228 | else { | |
1229 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1230 | } | |
ea83a2fc EJ |
1231 | } |
1232 | ||
b31bcf60 EJ |
1233 | static void |
1234 | iface_refresh_cfm_stats(struct iface *iface) | |
1235 | { | |
1236 | size_t i; | |
1237 | struct cfm *cfm; | |
1238 | const struct ovsrec_monitor *mon; | |
1239 | ||
1240 | mon = iface->cfg->monitor; | |
1241 | cfm = iface->cfm; | |
1242 | ||
1243 | if (!cfm || !mon) { | |
1244 | return; | |
1245 | } | |
1246 | ||
1247 | for (i = 0; i < mon->n_remote_mps; i++) { | |
1248 | const struct ovsrec_maintenance_point *mp; | |
1249 | const struct remote_mp *rmp; | |
1250 | ||
1251 | mp = mon->remote_mps[i]; | |
1252 | rmp = cfm_get_remote_mp(cfm, mp->mpid); | |
1253 | ||
1254 | ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1); | |
1255 | } | |
1256 | ||
1257 | if (hmap_is_empty(&cfm->x_remote_mps)) { | |
1258 | ovsrec_monitor_set_unexpected_remote_mpids(mon, NULL, 0); | |
1259 | } else { | |
1260 | size_t length; | |
1261 | struct remote_mp *rmp; | |
1262 | int64_t *x_remote_mps; | |
1263 | ||
1264 | length = hmap_count(&cfm->x_remote_mps); | |
1265 | x_remote_mps = xzalloc(length * sizeof *x_remote_mps); | |
1266 | ||
1267 | i = 0; | |
1268 | HMAP_FOR_EACH (rmp, node, &cfm->x_remote_mps) { | |
1269 | x_remote_mps[i++] = rmp->mpid; | |
1270 | } | |
1271 | ||
1272 | ovsrec_monitor_set_unexpected_remote_mpids(mon, x_remote_mps, length); | |
1273 | free(x_remote_mps); | |
1274 | } | |
1275 | ||
1276 | if (hmap_is_empty(&cfm->x_remote_maids)) { | |
1277 | ovsrec_monitor_set_unexpected_remote_maids(mon, NULL, 0); | |
1278 | } else { | |
1279 | size_t length; | |
1280 | char **x_remote_maids; | |
1281 | struct remote_maid *rmaid; | |
1282 | ||
1283 | length = hmap_count(&cfm->x_remote_maids); | |
1284 | x_remote_maids = xzalloc(length * sizeof *x_remote_maids); | |
1285 | ||
1286 | i = 0; | |
1287 | HMAP_FOR_EACH (rmaid, node, &cfm->x_remote_maids) { | |
1288 | size_t j; | |
1289 | ||
1290 | x_remote_maids[i] = xzalloc(CCM_MAID_LEN * 2 + 1); | |
1291 | ||
1292 | for (j = 0; j < CCM_MAID_LEN; j++) { | |
1293 | snprintf(&x_remote_maids[i][j * 2], 3, "%02hhx", | |
1294 | rmaid->maid[j]); | |
1295 | } | |
1296 | i++; | |
1297 | } | |
1298 | ovsrec_monitor_set_unexpected_remote_maids(mon, x_remote_maids, length); | |
1299 | ||
1300 | for (i = 0; i < length; i++) { | |
1301 | free(x_remote_maids[i]); | |
1302 | } | |
1303 | free(x_remote_maids); | |
1304 | } | |
1305 | ||
1306 | ovsrec_monitor_set_fault(mon, &cfm->fault, 1); | |
1307 | } | |
1308 | ||
018f1525 BP |
1309 | static void |
1310 | iface_refresh_stats(struct iface *iface) | |
1311 | { | |
1312 | struct iface_stat { | |
1313 | char *name; | |
1314 | int offset; | |
1315 | }; | |
1316 | static const struct iface_stat iface_stats[] = { | |
1317 | { "rx_packets", offsetof(struct netdev_stats, rx_packets) }, | |
1318 | { "tx_packets", offsetof(struct netdev_stats, tx_packets) }, | |
1319 | { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) }, | |
1320 | { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) }, | |
1321 | { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) }, | |
1322 | { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) }, | |
1323 | { "rx_errors", offsetof(struct netdev_stats, rx_errors) }, | |
1324 | { "tx_errors", offsetof(struct netdev_stats, tx_errors) }, | |
1325 | { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) }, | |
1326 | { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) }, | |
1327 | { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) }, | |
1328 | { "collisions", offsetof(struct netdev_stats, collisions) }, | |
1329 | }; | |
1330 | enum { N_STATS = ARRAY_SIZE(iface_stats) }; | |
1331 | const struct iface_stat *s; | |
1332 | ||
1333 | char *keys[N_STATS]; | |
1334 | int64_t values[N_STATS]; | |
1335 | int n; | |
1336 | ||
1337 | struct netdev_stats stats; | |
1338 | ||
1339 | /* Intentionally ignore return value, since errors will set 'stats' to | |
1340 | * all-1s, and we will deal with that correctly below. */ | |
1341 | netdev_get_stats(iface->netdev, &stats); | |
1342 | ||
1343 | n = 0; | |
1344 | for (s = iface_stats; s < &iface_stats[N_STATS]; s++) { | |
1345 | uint64_t value = *(uint64_t *) (((char *) &stats) + s->offset); | |
1346 | if (value != UINT64_MAX) { | |
1347 | keys[n] = s->name; | |
1348 | values[n] = value; | |
1349 | n++; | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | ovsrec_interface_set_statistics(iface->cfg, keys, values, n); | |
1354 | } | |
1355 | ||
ce887677 BP |
1356 | static void |
1357 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1358 | { | |
1359 | struct ovsdb_datum datum; | |
1360 | struct shash stats; | |
1361 | ||
1362 | shash_init(&stats); | |
1363 | get_system_stats(&stats); | |
1364 | ||
1365 | ovsdb_datum_from_shash(&datum, &stats); | |
1366 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1367 | &datum); | |
1368 | } | |
1369 | ||
bffc0589 AE |
1370 | static inline const char * |
1371 | nx_role_to_str(enum nx_role role) | |
1372 | { | |
1373 | switch (role) { | |
1374 | case NX_ROLE_OTHER: | |
1375 | return "other"; | |
1376 | case NX_ROLE_MASTER: | |
1377 | return "master"; | |
1378 | case NX_ROLE_SLAVE: | |
1379 | return "slave"; | |
1380 | default: | |
1381 | return "*** INVALID ROLE ***"; | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | static void | |
1386 | bridge_refresh_controller_status(const struct bridge *br) | |
1387 | { | |
1388 | struct shash info; | |
1389 | const struct ovsrec_controller *cfg; | |
1390 | ||
1391 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1392 | ||
1393 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { | |
eb9b8307 AE |
1394 | struct ofproto_controller_info *cinfo = |
1395 | shash_find_data(&info, cfg->target); | |
1396 | ||
1397 | if (cinfo) { | |
1398 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1399 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1400 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1401 | (char **) cinfo->pairs.values, | |
1402 | cinfo->pairs.n); | |
1403 | } else { | |
1404 | ovsrec_controller_set_is_connected(cfg, false); | |
1405 | ovsrec_controller_set_role(cfg, NULL); | |
1406 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1407 | } | |
bffc0589 AE |
1408 | } |
1409 | ||
1410 | ofproto_free_ofproto_controller_info(&info); | |
1411 | } | |
1412 | ||
c5187f17 | 1413 | void |
064af421 BP |
1414 | bridge_run(void) |
1415 | { | |
d54ff998 BP |
1416 | const struct ovsrec_open_vswitch *cfg; |
1417 | ||
c5187f17 | 1418 | bool datapath_destroyed; |
d54ff998 | 1419 | bool database_changed; |
c5187f17 | 1420 | struct bridge *br; |
064af421 | 1421 | |
c5187f17 BP |
1422 | /* Let each bridge do the work that it needs to do. */ |
1423 | datapath_destroyed = false; | |
4e8e4213 | 1424 | LIST_FOR_EACH (br, node, &all_bridges) { |
064af421 BP |
1425 | int error = bridge_run_one(br); |
1426 | if (error) { | |
1427 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1428 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1429 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1430 | datapath_destroyed = true; |
1431 | } | |
1432 | } | |
1433 | ||
1434 | /* (Re)configure if necessary. */ | |
d54ff998 BP |
1435 | database_changed = ovsdb_idl_run(idl); |
1436 | cfg = ovsrec_open_vswitch_first(idl); | |
d6da96ce BP |
1437 | #ifdef HAVE_OPENSSL |
1438 | /* Re-configure SSL. We do this on every trip through the main loop, | |
1439 | * instead of just when the database changes, because the contents of the | |
1440 | * key and certificate files can change without the database changing. | |
1441 | * | |
1442 | * We do this before bridge_reconfigure() because that function might | |
1443 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1444 | if (cfg && cfg->ssl) { | |
1445 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1446 | ||
1447 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1448 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1449 | } | |
1450 | #endif | |
d54ff998 | 1451 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1452 | if (cfg) { |
1453 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1454 | ||
1455 | bridge_configure_once(cfg); | |
1456 | bridge_reconfigure(cfg); | |
1457 | ||
1458 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1459 | ovsdb_idl_txn_commit(txn); | |
1460 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1461 | } else { |
1462 | /* We still need to reconfigure to avoid dangling pointers to | |
1463 | * now-destroyed ovsrec structures inside bridge data. */ | |
1464 | static const struct ovsrec_open_vswitch null_cfg; | |
1465 | ||
1466 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1467 | } |
1468 | } | |
018f1525 | 1469 | |
cd0cd65f BP |
1470 | /* Refresh system and interface stats if necessary. */ |
1471 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1472 | if (cfg) { |
1473 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1474 | |
ce887677 | 1475 | txn = ovsdb_idl_txn_create(idl); |
4e8e4213 | 1476 | LIST_FOR_EACH (br, node, &all_bridges) { |
ce887677 | 1477 | size_t i; |
018f1525 | 1478 | |
ce887677 BP |
1479 | for (i = 0; i < br->n_ports; i++) { |
1480 | struct port *port = br->ports[i]; | |
1481 | size_t j; | |
018f1525 | 1482 | |
ce887677 BP |
1483 | for (j = 0; j < port->n_ifaces; j++) { |
1484 | struct iface *iface = port->ifaces[j]; | |
1485 | iface_refresh_stats(iface); | |
b31bcf60 | 1486 | iface_refresh_cfm_stats(iface); |
ea763e0e | 1487 | iface_refresh_status(iface); |
ce887677 | 1488 | } |
018f1525 | 1489 | } |
bffc0589 | 1490 | bridge_refresh_controller_status(br); |
018f1525 | 1491 | } |
ce887677 BP |
1492 | refresh_system_stats(cfg); |
1493 | ovsdb_idl_txn_commit(txn); | |
1494 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1495 | } |
018f1525 | 1496 | |
cd0cd65f | 1497 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1498 | } |
064af421 BP |
1499 | } |
1500 | ||
1501 | void | |
1502 | bridge_wait(void) | |
1503 | { | |
1504 | struct bridge *br; | |
1505 | ||
4e8e4213 | 1506 | LIST_FOR_EACH (br, node, &all_bridges) { |
21dcb94f EJ |
1507 | size_t i; |
1508 | ||
064af421 | 1509 | ofproto_wait(br->ofproto); |
7d674866 | 1510 | if (ofproto_has_primary_controller(br->ofproto)) { |
064af421 BP |
1511 | continue; |
1512 | } | |
1513 | ||
93dfc067 | 1514 | mac_learning_wait(br->ml); |
b31bcf60 | 1515 | |
21dcb94f EJ |
1516 | for (i = 0; i < br->n_ports; i++) { |
1517 | port_wait(br->ports[i]); | |
b31bcf60 | 1518 | } |
064af421 | 1519 | } |
c5187f17 | 1520 | ovsdb_idl_wait(idl); |
cd0cd65f | 1521 | poll_timer_wait_until(stats_timer); |
064af421 BP |
1522 | } |
1523 | ||
1524 | /* Forces 'br' to revalidate all of its flows. This is appropriate when 'br''s | |
1525 | * configuration changes. */ | |
1526 | static void | |
1527 | bridge_flush(struct bridge *br) | |
1528 | { | |
1529 | COVERAGE_INC(bridge_flush); | |
1530 | br->flush = true; | |
93dfc067 | 1531 | mac_learning_flush(br->ml); |
064af421 | 1532 | } |
07c318f4 BP |
1533 | |
1534 | /* Returns the 'br' interface for the ODPP_LOCAL port, or null if 'br' has no | |
1535 | * such interface. */ | |
1536 | static struct iface * | |
1537 | bridge_get_local_iface(struct bridge *br) | |
1538 | { | |
1539 | size_t i, j; | |
1540 | ||
1541 | for (i = 0; i < br->n_ports; i++) { | |
1542 | struct port *port = br->ports[i]; | |
1543 | for (j = 0; j < port->n_ifaces; j++) { | |
1544 | struct iface *iface = port->ifaces[j]; | |
1545 | if (iface->dp_ifidx == ODPP_LOCAL) { | |
1546 | return iface; | |
1547 | } | |
1548 | } | |
1549 | } | |
1550 | ||
1551 | return NULL; | |
1552 | } | |
064af421 | 1553 | \f |
8c4c1387 BP |
1554 | /* Bridge unixctl user interface functions. */ |
1555 | static void | |
8ca79daa | 1556 | bridge_unixctl_fdb_show(struct unixctl_conn *conn, |
c69ee87c | 1557 | const char *args, void *aux OVS_UNUSED) |
8c4c1387 BP |
1558 | { |
1559 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1560 | const struct bridge *br; | |
93dfc067 | 1561 | const struct mac_entry *e; |
8c4c1387 BP |
1562 | |
1563 | br = bridge_lookup(args); | |
1564 | if (!br) { | |
1565 | unixctl_command_reply(conn, 501, "no such bridge"); | |
1566 | return; | |
1567 | } | |
1568 | ||
1569 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
4e8e4213 | 1570 | LIST_FOR_EACH (e, lru_node, &br->ml->lrus) { |
93dfc067 JG |
1571 | if (e->port < 0 || e->port >= br->n_ports) { |
1572 | continue; | |
8c4c1387 | 1573 | } |
93dfc067 JG |
1574 | ds_put_format(&ds, "%5d %4d "ETH_ADDR_FMT" %3d\n", |
1575 | br->ports[e->port]->ifaces[0]->dp_ifidx, | |
1576 | e->vlan, ETH_ADDR_ARGS(e->mac), mac_entry_age(e)); | |
8c4c1387 BP |
1577 | } |
1578 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1579 | ds_destroy(&ds); | |
1580 | } | |
1581 | \f | |
e8fe3026 EJ |
1582 | /* QoS unixctl user interface functions. */ |
1583 | ||
1584 | struct qos_unixctl_show_cbdata { | |
1585 | struct ds *ds; | |
1586 | struct iface *iface; | |
1587 | }; | |
1588 | ||
1589 | static void | |
1590 | qos_unixctl_show_cb(unsigned int queue_id, | |
1591 | const struct shash *details, | |
1592 | void *aux) | |
1593 | { | |
1594 | struct qos_unixctl_show_cbdata *data = aux; | |
1595 | struct ds *ds = data->ds; | |
1596 | struct iface *iface = data->iface; | |
1597 | struct netdev_queue_stats stats; | |
1598 | struct shash_node *node; | |
1599 | int error; | |
1600 | ||
1601 | ds_put_cstr(ds, "\n"); | |
1602 | if (queue_id) { | |
1603 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1604 | } else { | |
1605 | ds_put_cstr(ds, "Default:\n"); | |
1606 | } | |
1607 | ||
1608 | SHASH_FOR_EACH (node, details) { | |
1609 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1610 | } | |
1611 | ||
1612 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1613 | if (!error) { | |
1614 | if (stats.tx_packets != UINT64_MAX) { | |
1615 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1616 | } | |
1617 | ||
1618 | if (stats.tx_bytes != UINT64_MAX) { | |
1619 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1620 | } | |
1621 | ||
1622 | if (stats.tx_errors != UINT64_MAX) { | |
1623 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1624 | } | |
1625 | } else { | |
1626 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1627 | queue_id, strerror(error)); | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | static void | |
1632 | qos_unixctl_show(struct unixctl_conn *conn, | |
1633 | const char *args, void *aux OVS_UNUSED) | |
1634 | { | |
1635 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1636 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1637 | struct iface *iface; | |
1638 | const char *type; | |
1639 | struct shash_node *node; | |
1640 | struct qos_unixctl_show_cbdata data; | |
1641 | int error; | |
1642 | ||
1643 | iface = iface_find(args); | |
1644 | if (!iface) { | |
1645 | unixctl_command_reply(conn, 501, "no such interface"); | |
1646 | return; | |
1647 | } | |
1648 | ||
1649 | netdev_get_qos(iface->netdev, &type, &sh); | |
1650 | ||
1651 | if (*type != '\0') { | |
1652 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1653 | ||
1654 | SHASH_FOR_EACH (node, &sh) { | |
1655 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1656 | } | |
1657 | ||
1658 | data.ds = &ds; | |
1659 | data.iface = iface; | |
1660 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1661 | ||
1662 | if (error) { | |
1663 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1664 | } | |
1665 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1666 | } else { | |
1667 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1668 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1669 | } | |
1670 | ||
1671 | shash_destroy_free_data(&sh); | |
1672 | ds_destroy(&ds); | |
1673 | } | |
1674 | \f | |
064af421 | 1675 | /* Bridge reconfiguration functions. */ |
064af421 | 1676 | static struct bridge * |
1a6f1e2a | 1677 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1678 | { |
1679 | struct bridge *br; | |
1680 | int error; | |
1681 | ||
1a6f1e2a | 1682 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1683 | br = xzalloc(sizeof *br); |
064af421 | 1684 | |
1a6f1e2a JG |
1685 | error = dpif_create_and_open(br_cfg->name, br_cfg->datapath_type, |
1686 | &br->dpif); | |
efacbce6 | 1687 | if (error) { |
064af421 BP |
1688 | free(br); |
1689 | return NULL; | |
1690 | } | |
efacbce6 | 1691 | dpif_flow_flush(br->dpif); |
064af421 | 1692 | |
1a6f1e2a JG |
1693 | error = ofproto_create(br_cfg->name, br_cfg->datapath_type, &bridge_ofhooks, |
1694 | br, &br->ofproto); | |
064af421 | 1695 | if (error) { |
1a6f1e2a JG |
1696 | VLOG_ERR("failed to create switch %s: %s", br_cfg->name, |
1697 | strerror(error)); | |
c228a364 BP |
1698 | dpif_delete(br->dpif); |
1699 | dpif_close(br->dpif); | |
064af421 BP |
1700 | free(br); |
1701 | return NULL; | |
1702 | } | |
1703 | ||
1a6f1e2a JG |
1704 | br->name = xstrdup(br_cfg->name); |
1705 | br->cfg = br_cfg; | |
064af421 | 1706 | br->ml = mac_learning_create(); |
70150daf | 1707 | eth_addr_nicira_random(br->default_ea); |
064af421 | 1708 | |
d9a8717a | 1709 | hmap_init(&br->ifaces); |
064af421 | 1710 | |
836fad5e | 1711 | shash_init(&br->port_by_name); |
4a1ee6ae BP |
1712 | shash_init(&br->iface_by_name); |
1713 | ||
064af421 | 1714 | br->flush = false; |
064af421 BP |
1715 | |
1716 | list_push_back(&all_bridges, &br->node); | |
1717 | ||
c228a364 | 1718 | VLOG_INFO("created bridge %s on %s", br->name, dpif_name(br->dpif)); |
064af421 BP |
1719 | |
1720 | return br; | |
1721 | } | |
1722 | ||
1723 | static void | |
1724 | bridge_destroy(struct bridge *br) | |
1725 | { | |
1726 | if (br) { | |
1727 | int error; | |
1728 | ||
1729 | while (br->n_ports > 0) { | |
1730 | port_destroy(br->ports[br->n_ports - 1]); | |
1731 | } | |
1732 | list_remove(&br->node); | |
c228a364 | 1733 | error = dpif_delete(br->dpif); |
064af421 | 1734 | if (error && error != ENOENT) { |
b29ba128 | 1735 | VLOG_ERR("failed to delete %s: %s", |
c228a364 | 1736 | dpif_name(br->dpif), strerror(error)); |
064af421 | 1737 | } |
c228a364 | 1738 | dpif_close(br->dpif); |
064af421 | 1739 | ofproto_destroy(br->ofproto); |
064af421 | 1740 | mac_learning_destroy(br->ml); |
d9a8717a | 1741 | hmap_destroy(&br->ifaces); |
836fad5e | 1742 | shash_destroy(&br->port_by_name); |
4a1ee6ae | 1743 | shash_destroy(&br->iface_by_name); |
064af421 BP |
1744 | free(br->ports); |
1745 | free(br->name); | |
1746 | free(br); | |
1747 | } | |
1748 | } | |
1749 | ||
1750 | static struct bridge * | |
1751 | bridge_lookup(const char *name) | |
1752 | { | |
1753 | struct bridge *br; | |
1754 | ||
4e8e4213 | 1755 | LIST_FOR_EACH (br, node, &all_bridges) { |
064af421 BP |
1756 | if (!strcmp(br->name, name)) { |
1757 | return br; | |
1758 | } | |
1759 | } | |
1760 | return NULL; | |
1761 | } | |
1762 | ||
4f2cad2c JP |
1763 | /* Handle requests for a listing of all flows known by the OpenFlow |
1764 | * stack, including those normally hidden. */ | |
1765 | static void | |
8ca79daa | 1766 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1767 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1768 | { |
1769 | struct bridge *br; | |
1770 | struct ds results; | |
d295e8e9 | 1771 | |
4f2cad2c JP |
1772 | br = bridge_lookup(args); |
1773 | if (!br) { | |
1774 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1775 | return; | |
1776 | } | |
1777 | ||
1778 | ds_init(&results); | |
1779 | ofproto_get_all_flows(br->ofproto, &results); | |
1780 | ||
1781 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1782 | ds_destroy(&results); | |
1783 | } | |
1784 | ||
fa05809b BP |
1785 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1786 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1787 | * drop their controller connections and reconnect. */ | |
1788 | static void | |
1789 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1790 | const char *args, void *aux OVS_UNUSED) | |
1791 | { | |
1792 | struct bridge *br; | |
1793 | if (args[0] != '\0') { | |
1794 | br = bridge_lookup(args); | |
1795 | if (!br) { | |
1796 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1797 | return; | |
1798 | } | |
1799 | ofproto_reconnect_controllers(br->ofproto); | |
1800 | } else { | |
4e8e4213 | 1801 | LIST_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1802 | ofproto_reconnect_controllers(br->ofproto); |
1803 | } | |
1804 | } | |
1805 | unixctl_command_reply(conn, 200, NULL); | |
1806 | } | |
1807 | ||
064af421 BP |
1808 | static int |
1809 | bridge_run_one(struct bridge *br) | |
1810 | { | |
21dcb94f | 1811 | size_t i; |
064af421 BP |
1812 | int error; |
1813 | ||
1814 | error = ofproto_run1(br->ofproto); | |
1815 | if (error) { | |
1816 | return error; | |
1817 | } | |
1818 | ||
93dfc067 | 1819 | mac_learning_run(br->ml, ofproto_get_revalidate_set(br->ofproto)); |
21dcb94f EJ |
1820 | |
1821 | for (i = 0; i < br->n_ports; i++) { | |
1822 | port_run(br->ports[i]); | |
1823 | } | |
064af421 BP |
1824 | |
1825 | error = ofproto_run2(br->ofproto, br->flush); | |
1826 | br->flush = false; | |
1827 | ||
1828 | return error; | |
1829 | } | |
1830 | ||
76ce9432 | 1831 | static size_t |
1a048029 | 1832 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1833 | struct ovsrec_controller ***controllersp) |
064af421 | 1834 | { |
76ce9432 BP |
1835 | struct ovsrec_controller **controllers; |
1836 | size_t n_controllers; | |
064af421 | 1837 | |
1a048029 JP |
1838 | controllers = br->cfg->controller; |
1839 | n_controllers = br->cfg->n_controller; | |
76343538 | 1840 | |
76ce9432 BP |
1841 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1842 | controllers = NULL; | |
1843 | n_controllers = 0; | |
064af421 | 1844 | } |
76343538 | 1845 | |
76ce9432 BP |
1846 | if (controllersp) { |
1847 | *controllersp = controllers; | |
1848 | } | |
1849 | return n_controllers; | |
064af421 BP |
1850 | } |
1851 | ||
1852 | static void | |
1a048029 | 1853 | bridge_reconfigure_one(struct bridge *br) |
064af421 | 1854 | { |
76343538 | 1855 | struct shash old_ports, new_ports; |
064af421 | 1856 | struct svec snoops, old_snoops; |
76343538 | 1857 | struct shash_node *node; |
31681a5d | 1858 | enum ofproto_fail_mode fail_mode; |
6ae39834 | 1859 | size_t i; |
064af421 BP |
1860 | |
1861 | /* Collect old ports. */ | |
76343538 | 1862 | shash_init(&old_ports); |
064af421 | 1863 | for (i = 0; i < br->n_ports; i++) { |
76343538 | 1864 | shash_add(&old_ports, br->ports[i]->name, br->ports[i]); |
064af421 | 1865 | } |
064af421 BP |
1866 | |
1867 | /* Collect new ports. */ | |
76343538 BP |
1868 | shash_init(&new_ports); |
1869 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1870 | const char *name = br->cfg->ports[i]->name; | |
1871 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1872 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1873 | br->name, name); | |
1874 | } | |
1875 | } | |
e073f944 BP |
1876 | |
1877 | /* If we have a controller, then we need a local port. Complain if the | |
1878 | * user didn't specify one. | |
1879 | * | |
1880 | * XXX perhaps we should synthesize a port ourselves in this case. */ | |
1a048029 | 1881 | if (bridge_get_controllers(br, NULL)) { |
72865317 BP |
1882 | char local_name[IF_NAMESIZE]; |
1883 | int error; | |
1884 | ||
1885 | error = dpif_port_get_name(br->dpif, ODPP_LOCAL, | |
1886 | local_name, sizeof local_name); | |
e073f944 BP |
1887 | if (!error && !shash_find(&new_ports, local_name)) { |
1888 | VLOG_WARN("bridge %s: controller specified but no local port " | |
1889 | "(port named %s) defined", | |
1890 | br->name, local_name); | |
72865317 | 1891 | } |
064af421 | 1892 | } |
064af421 | 1893 | |
4a1ee6ae BP |
1894 | /* Get rid of deleted ports. |
1895 | * Get rid of deleted interfaces on ports that still exist. */ | |
76343538 | 1896 | SHASH_FOR_EACH (node, &old_ports) { |
4a1ee6ae BP |
1897 | struct port *port = node->data; |
1898 | const struct ovsrec_port *port_cfg; | |
1899 | ||
1900 | port_cfg = shash_find_data(&new_ports, node->name); | |
1901 | if (!port_cfg) { | |
1902 | port_destroy(port); | |
1903 | } else { | |
1904 | port_del_ifaces(port, port_cfg); | |
064af421 BP |
1905 | } |
1906 | } | |
4a1ee6ae BP |
1907 | |
1908 | /* Create new ports. | |
1909 | * Add new interfaces to existing ports. | |
1910 | * Reconfigure existing ports. */ | |
76343538 BP |
1911 | SHASH_FOR_EACH (node, &new_ports) { |
1912 | struct port *port = shash_find_data(&old_ports, node->name); | |
1913 | if (!port) { | |
1914 | port = port_create(br, node->name); | |
064af421 | 1915 | } |
ceb4559f | 1916 | |
76343538 | 1917 | port_reconfigure(port, node->data); |
ceb4559f JG |
1918 | if (!port->n_ifaces) { |
1919 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", | |
1920 | br->name, port->name); | |
1921 | port_destroy(port); | |
1922 | } | |
064af421 | 1923 | } |
76343538 BP |
1924 | shash_destroy(&old_ports); |
1925 | shash_destroy(&new_ports); | |
064af421 | 1926 | |
31681a5d JP |
1927 | /* Set the fail-mode */ |
1928 | fail_mode = !br->cfg->fail_mode | |
1929 | || !strcmp(br->cfg->fail_mode, "standalone") | |
1930 | ? OFPROTO_FAIL_STANDALONE | |
1931 | : OFPROTO_FAIL_SECURE; | |
7d674866 BP |
1932 | if (ofproto_get_fail_mode(br->ofproto) != fail_mode |
1933 | && !ofproto_has_primary_controller(br->ofproto)) { | |
abdfe474 JP |
1934 | ofproto_flush_flows(br->ofproto); |
1935 | } | |
31681a5d JP |
1936 | ofproto_set_fail_mode(br->ofproto, fail_mode); |
1937 | ||
064af421 BP |
1938 | /* Delete all flows if we're switching from connected to standalone or vice |
1939 | * versa. (XXX Should we delete all flows if we are switching from one | |
1940 | * controller to another?) */ | |
1941 | ||
5a243150 | 1942 | /* Configure OpenFlow controller connection snooping. */ |
76343538 BP |
1943 | svec_init(&snoops); |
1944 | svec_add_nocopy(&snoops, xasprintf("punix:%s/%s.snoop", | |
b43c6fe2 | 1945 | ovs_rundir(), br->name)); |
76343538 BP |
1946 | svec_init(&old_snoops); |
1947 | ofproto_get_snoops(br->ofproto, &old_snoops); | |
1948 | if (!svec_equal(&snoops, &old_snoops)) { | |
1949 | ofproto_set_snoops(br->ofproto, &snoops); | |
1950 | } | |
1951 | svec_destroy(&snoops); | |
1952 | svec_destroy(&old_snoops); | |
76343538 | 1953 | |
064af421 BP |
1954 | mirror_reconfigure(br); |
1955 | } | |
1956 | ||
7d674866 BP |
1957 | /* Initializes 'oc' appropriately as a management service controller for |
1958 | * 'br'. | |
1959 | * | |
1960 | * The caller must free oc->target when it is no longer needed. */ | |
1961 | static void | |
1962 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1963 | struct ofproto_controller *oc) | |
1964 | { | |
b43c6fe2 | 1965 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1966 | oc->max_backoff = 0; |
1967 | oc->probe_interval = 60; | |
1968 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1969 | oc->rate_limit = 0; |
1970 | oc->burst_limit = 0; | |
1971 | } | |
1972 | ||
1973 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1974 | static void | |
1975 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1976 | struct ofproto_controller *oc) | |
1977 | { | |
1978 | oc->target = c->target; | |
1979 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1980 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1981 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1982 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1983 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1984 | oc->burst_limit = (c->controller_burst_limit | |
1985 | ? *c->controller_burst_limit : 0); | |
1986 | } | |
1987 | ||
1988 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1989 | * configuration in 'c'. */ | |
1990 | static void | |
1991 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1992 | struct ovsrec_controller *c) | |
1993 | { | |
1994 | struct netdev *netdev; | |
1995 | struct in_addr mask, gateway; | |
1996 | ||
1997 | struct iface *local_iface; | |
1998 | struct in_addr ip; | |
1999 | ||
7d674866 BP |
2000 | /* If there's no local interface or no IP address, give up. */ |
2001 | local_iface = bridge_get_local_iface(br); | |
2002 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { | |
2003 | return; | |
2004 | } | |
2005 | ||
2006 | /* Bring up the local interface. */ | |
2007 | netdev = local_iface->netdev; | |
2008 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
2009 | ||
2010 | /* Configure the IP address and netmask. */ | |
2011 | if (!c->local_netmask | |
2012 | || !inet_aton(c->local_netmask, &mask) | |
2013 | || !mask.s_addr) { | |
2014 | mask.s_addr = guess_netmask(ip.s_addr); | |
2015 | } | |
2016 | if (!netdev_set_in4(netdev, ip, mask)) { | |
2017 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
2018 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
2019 | } | |
2020 | ||
2021 | /* Configure the default gateway. */ | |
2022 | if (c->local_gateway | |
2023 | && inet_aton(c->local_gateway, &gateway) | |
2024 | && gateway.s_addr) { | |
2025 | if (!netdev_add_router(netdev, gateway)) { | |
2026 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
2027 | br->name, IP_ARGS(&gateway.s_addr)); | |
2028 | } | |
2029 | } | |
2030 | } | |
2031 | ||
064af421 | 2032 | static void |
1a048029 | 2033 | bridge_reconfigure_remotes(struct bridge *br, |
11bbff1b BP |
2034 | const struct sockaddr_in *managers, |
2035 | size_t n_managers) | |
064af421 | 2036 | { |
b1da6250 BP |
2037 | const char *disable_ib_str, *queue_id_str; |
2038 | bool disable_in_band = false; | |
2039 | int queue_id; | |
2040 | ||
76ce9432 BP |
2041 | struct ovsrec_controller **controllers; |
2042 | size_t n_controllers; | |
7d674866 BP |
2043 | bool had_primary; |
2044 | ||
2045 | struct ofproto_controller *ocs; | |
2046 | size_t n_ocs; | |
2047 | size_t i; | |
064af421 | 2048 | |
8731b2b6 JP |
2049 | /* Check if we should disable in-band control on this bridge. */ |
2050 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
2051 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
2052 | disable_in_band = true; | |
2053 | } | |
2054 | ||
b1da6250 BP |
2055 | /* Set OpenFlow queue ID for in-band control. */ |
2056 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
2057 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
2058 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
2059 | ||
8731b2b6 JP |
2060 | if (disable_in_band) { |
2061 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
2062 | } else { | |
2063 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
2064 | } | |
7d674866 | 2065 | had_primary = ofproto_has_primary_controller(br->ofproto); |
cd11000b | 2066 | |
1a048029 | 2067 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 2068 | |
7d674866 BP |
2069 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
2070 | n_ocs = 0; | |
064af421 | 2071 | |
7d674866 BP |
2072 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
2073 | for (i = 0; i < n_controllers; i++) { | |
2074 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 2075 | |
7d674866 BP |
2076 | if (!strncmp(c->target, "punix:", 6) |
2077 | || !strncmp(c->target, "unix:", 5)) { | |
2078 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
76ce9432 | 2079 | |
7d674866 BP |
2080 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
2081 | * domain sockets and overwriting arbitrary local files. */ | |
2082 | VLOG_ERR_RL(&rl, "%s: not adding Unix domain socket controller " | |
2083 | "\"%s\" due to possibility for remote exploit", | |
2084 | dpif_name(br->dpif), c->target); | |
2085 | continue; | |
2086 | } | |
76ce9432 | 2087 | |
7d674866 | 2088 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
2089 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
2090 | if (disable_in_band) { | |
2091 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
2092 | } | |
2093 | n_ocs++; | |
7d674866 | 2094 | } |
76ce9432 | 2095 | |
7d674866 BP |
2096 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
2097 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
2098 | free(ocs); | |
064af421 | 2099 | |
7d674866 BP |
2100 | if (had_primary != ofproto_has_primary_controller(br->ofproto)) { |
2101 | ofproto_flush_flows(br->ofproto); | |
2102 | } | |
76ce9432 | 2103 | |
7d674866 BP |
2104 | /* If there are no controllers and the bridge is in standalone |
2105 | * mode, set up a flow that matches every packet and directs | |
2106 | * them to OFPP_NORMAL (which goes to us). Otherwise, the | |
2107 | * switch is in secure mode and we won't pass any traffic until | |
2108 | * a controller has been defined and it tells us to do so. */ | |
2109 | if (!n_controllers | |
2110 | && ofproto_get_fail_mode(br->ofproto) == OFPROTO_FAIL_STANDALONE) { | |
2111 | union ofp_action action; | |
cf3fad8a | 2112 | struct cls_rule rule; |
76ce9432 | 2113 | |
7d674866 BP |
2114 | memset(&action, 0, sizeof action); |
2115 | action.type = htons(OFPAT_OUTPUT); | |
2116 | action.output.len = htons(sizeof action); | |
2117 | action.output.port = htons(OFPP_NORMAL); | |
cf3fad8a | 2118 | cls_rule_init_catchall(&rule, 0); |
fa8b054f | 2119 | ofproto_add_flow(br->ofproto, &rule, &action, 1); |
064af421 | 2120 | } |
064af421 BP |
2121 | } |
2122 | ||
2123 | static void | |
76343538 | 2124 | bridge_get_all_ifaces(const struct bridge *br, struct shash *ifaces) |
064af421 BP |
2125 | { |
2126 | size_t i, j; | |
2127 | ||
76343538 | 2128 | shash_init(ifaces); |
064af421 BP |
2129 | for (i = 0; i < br->n_ports; i++) { |
2130 | struct port *port = br->ports[i]; | |
2131 | for (j = 0; j < port->n_ifaces; j++) { | |
2132 | struct iface *iface = port->ifaces[j]; | |
76343538 | 2133 | shash_add_once(ifaces, iface->name, iface); |
064af421 | 2134 | } |
76343538 BP |
2135 | if (port->n_ifaces > 1 && port->cfg->bond_fake_iface) { |
2136 | shash_add_once(ifaces, port->name, NULL); | |
35c979bf | 2137 | } |
064af421 | 2138 | } |
064af421 BP |
2139 | } |
2140 | ||
2141 | /* For robustness, in case the administrator moves around datapath ports behind | |
2142 | * our back, we re-check all the datapath port numbers here. | |
2143 | * | |
2144 | * This function will set the 'dp_ifidx' members of interfaces that have | |
2145 | * disappeared to -1, so only call this function from a context where those | |
2146 | * 'struct iface's will be removed from the bridge. Otherwise, the -1 | |
2147 | * 'dp_ifidx'es will cause trouble later when we try to send them to the | |
2148 | * datapath, which doesn't support UINT16_MAX+1 ports. */ | |
2149 | static void | |
2150 | bridge_fetch_dp_ifaces(struct bridge *br) | |
2151 | { | |
b0ec0f27 | 2152 | struct dpif_port_dump dump; |
4c738a8d | 2153 | struct dpif_port dpif_port; |
064af421 BP |
2154 | size_t i, j; |
2155 | ||
2156 | /* Reset all interface numbers. */ | |
2157 | for (i = 0; i < br->n_ports; i++) { | |
2158 | struct port *port = br->ports[i]; | |
2159 | for (j = 0; j < port->n_ifaces; j++) { | |
2160 | struct iface *iface = port->ifaces[j]; | |
2161 | iface->dp_ifidx = -1; | |
2162 | } | |
2163 | } | |
d9a8717a | 2164 | hmap_clear(&br->ifaces); |
064af421 | 2165 | |
4c738a8d BP |
2166 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) { |
2167 | struct iface *iface = iface_lookup(br, dpif_port.name); | |
064af421 BP |
2168 | if (iface) { |
2169 | if (iface->dp_ifidx >= 0) { | |
b29ba128 | 2170 | VLOG_WARN("%s reported interface %s twice", |
4c738a8d BP |
2171 | dpif_name(br->dpif), dpif_port.name); |
2172 | } else if (iface_from_dp_ifidx(br, dpif_port.port_no)) { | |
b29ba128 | 2173 | VLOG_WARN("%s reported interface %"PRIu16" twice", |
4c738a8d | 2174 | dpif_name(br->dpif), dpif_port.port_no); |
064af421 | 2175 | } else { |
4c738a8d | 2176 | iface->dp_ifidx = dpif_port.port_no; |
d9a8717a BP |
2177 | hmap_insert(&br->ifaces, &iface->dp_ifidx_node, |
2178 | hash_int(iface->dp_ifidx, 0)); | |
064af421 | 2179 | } |
093e47f4 | 2180 | |
bcd49a45 BP |
2181 | iface_set_ofport(iface->cfg, |
2182 | (iface->dp_ifidx >= 0 | |
2183 | ? odp_port_to_ofp_port(iface->dp_ifidx) | |
2184 | : -1)); | |
064af421 BP |
2185 | } |
2186 | } | |
064af421 BP |
2187 | } |
2188 | \f | |
2189 | /* Bridge packet processing functions. */ | |
2190 | ||
9f5073d8 EJ |
2191 | static bool |
2192 | bond_is_tcp_hash(const struct port *port) | |
2193 | { | |
2194 | return port->bond_mode == BM_TCP && port->lacp & LACP_NEGOTIATED; | |
2195 | } | |
2196 | ||
da285df4 | 2197 | static int |
9f5073d8 | 2198 | bond_hash_src(const uint8_t mac[ETH_ADDR_LEN], uint16_t vlan) |
da285df4 | 2199 | { |
e58de0e3 | 2200 | return hash_bytes(mac, ETH_ADDR_LEN, vlan) & BOND_MASK; |
da285df4 BP |
2201 | } |
2202 | ||
9f5073d8 EJ |
2203 | static int bond_hash_tcp(const struct flow *flow, uint16_t vlan) |
2204 | { | |
2205 | struct flow hash_flow; | |
2206 | ||
2207 | memcpy(&hash_flow, flow, sizeof hash_flow); | |
2208 | hash_flow.vlan_tci = 0; | |
2209 | ||
2210 | /* The symmetric quality of this hash function is not required, but | |
2211 | * flow_hash_symmetric_l4 already exists, and is sufficient for our | |
2212 | * purposes, so we use it out of convenience. */ | |
2213 | return flow_hash_symmetric_l4(&hash_flow, vlan) & BOND_MASK; | |
2214 | } | |
2215 | ||
064af421 | 2216 | static struct bond_entry * |
9f5073d8 | 2217 | lookup_bond_entry(const struct port *port, const struct flow *flow, |
e58de0e3 | 2218 | uint16_t vlan) |
064af421 | 2219 | { |
9f5073d8 EJ |
2220 | assert(port->bond_mode != BM_AB); |
2221 | ||
2222 | if (bond_is_tcp_hash(port)) { | |
2223 | return &port->bond_hash[bond_hash_tcp(flow, vlan)]; | |
2224 | } else { | |
2225 | return &port->bond_hash[bond_hash_src(flow->dl_src, vlan)]; | |
2226 | } | |
064af421 BP |
2227 | } |
2228 | ||
2229 | static int | |
2230 | bond_choose_iface(const struct port *port) | |
2231 | { | |
8b2a2f4a JG |
2232 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); |
2233 | size_t i, best_down_slave = -1; | |
2234 | long long next_delay_expiration = LLONG_MAX; | |
2235 | ||
064af421 | 2236 | for (i = 0; i < port->n_ifaces; i++) { |
8b2a2f4a JG |
2237 | struct iface *iface = port->ifaces[i]; |
2238 | ||
2239 | if (iface->enabled) { | |
064af421 | 2240 | return i; |
c25c91fd | 2241 | } else if (iface->delay_expires < next_delay_expiration |
cd482758 | 2242 | && (iface->lacp_status & LACP_ATTACHED |
c25c91fd | 2243 | || !(port->lacp & LACP_NEGOTIATED))) { |
8b2a2f4a JG |
2244 | best_down_slave = i; |
2245 | next_delay_expiration = iface->delay_expires; | |
064af421 BP |
2246 | } |
2247 | } | |
8b2a2f4a JG |
2248 | |
2249 | if (best_down_slave != -1) { | |
2250 | struct iface *iface = port->ifaces[best_down_slave]; | |
2251 | ||
2252 | VLOG_INFO_RL(&rl, "interface %s: skipping remaining %lli ms updelay " | |
2253 | "since no other interface is up", iface->name, | |
2254 | iface->delay_expires - time_msec()); | |
2255 | bond_enable_slave(iface, true); | |
2256 | } | |
2257 | ||
2258 | return best_down_slave; | |
064af421 BP |
2259 | } |
2260 | ||
2261 | static bool | |
9f5073d8 | 2262 | choose_output_iface(const struct port *port, const struct flow *flow, |
e58de0e3 | 2263 | uint16_t vlan, uint16_t *dp_ifidx, tag_type *tags) |
064af421 BP |
2264 | { |
2265 | struct iface *iface; | |
2266 | ||
2267 | assert(port->n_ifaces); | |
2268 | if (port->n_ifaces == 1) { | |
2269 | iface = port->ifaces[0]; | |
27dcaa1a | 2270 | } else if (port->bond_mode == BM_AB) { |
be02e7c3 EJ |
2271 | if (port->active_iface < 0) { |
2272 | *tags |= port->no_ifaces_tag; | |
2273 | return false; | |
2274 | } | |
2275 | iface = port->ifaces[port->active_iface]; | |
9f5073d8 EJ |
2276 | } else { |
2277 | struct bond_entry *e = lookup_bond_entry(port, flow, vlan); | |
064af421 BP |
2278 | if (e->iface_idx < 0 || e->iface_idx >= port->n_ifaces |
2279 | || !port->ifaces[e->iface_idx]->enabled) { | |
2280 | /* XXX select interface properly. The current interface selection | |
2281 | * is only good for testing the rebalancing code. */ | |
2282 | e->iface_idx = bond_choose_iface(port); | |
2283 | if (e->iface_idx < 0) { | |
2284 | *tags |= port->no_ifaces_tag; | |
2285 | return false; | |
2286 | } | |
2287 | e->iface_tag = tag_create_random(); | |
2288 | } | |
2289 | *tags |= e->iface_tag; | |
2290 | iface = port->ifaces[e->iface_idx]; | |
2291 | } | |
2292 | *dp_ifidx = iface->dp_ifidx; | |
2293 | *tags |= iface->tag; /* Currently only used for bonding. */ | |
2294 | return true; | |
2295 | } | |
2296 | ||
2297 | static void | |
c835c3bf | 2298 | bond_link_status_update(struct iface *iface) |
064af421 BP |
2299 | { |
2300 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); | |
2301 | struct port *port = iface->port; | |
c25c91fd EJ |
2302 | bool up = iface->up; |
2303 | int updelay, downdelay; | |
2304 | ||
2305 | updelay = port->updelay; | |
2306 | downdelay = port->downdelay; | |
2307 | ||
2308 | if (iface->port->lacp & LACP_NEGOTIATED) { | |
2309 | downdelay = 0; | |
2310 | updelay = 0; | |
2311 | } | |
2312 | ||
2313 | if (iface->port->lacp && up) { | |
2314 | /* The interface is up if it's attached to an aggregator and its | |
2315 | * partner is synchronized. The only exception is defaulted links. | |
2316 | * They are not required to have synchronized partners because they | |
2317 | * have no partners at all. However, they will only be attached if | |
2318 | * negotiations failed on all interfaces in the bond. */ | |
cd482758 | 2319 | up = iface->lacp_status & LACP_ATTACHED |
c25c91fd | 2320 | && (iface->lacp_partner.state & LACP_STATE_SYNC |
cd482758 | 2321 | || iface->lacp_status & LACP_DEFAULTED); |
c25c91fd EJ |
2322 | } |
2323 | ||
064af421 | 2324 | |
c25c91fd | 2325 | if ((up == iface->enabled) == (iface->delay_expires == LLONG_MAX)) { |
064af421 BP |
2326 | /* Nothing to do. */ |
2327 | return; | |
2328 | } | |
63331829 | 2329 | VLOG_INFO_RL(&rl, "interface %s: link state %s", |
c25c91fd EJ |
2330 | iface->name, up ? "up" : "down"); |
2331 | if (up == iface->enabled) { | |
064af421 BP |
2332 | iface->delay_expires = LLONG_MAX; |
2333 | VLOG_INFO_RL(&rl, "interface %s: will not be %s", | |
c25c91fd EJ |
2334 | iface->name, up ? "disabled" : "enabled"); |
2335 | } else if (up && port->active_iface < 0) { | |
8b2a2f4a | 2336 | bond_enable_slave(iface, true); |
c25c91fd | 2337 | if (updelay) { |
8b2a2f4a | 2338 | VLOG_INFO_RL(&rl, "interface %s: skipping %d ms updelay since no " |
c25c91fd | 2339 | "other interface is up", iface->name, updelay); |
8b2a2f4a | 2340 | } |
064af421 | 2341 | } else { |
c25c91fd | 2342 | int delay = up ? updelay : downdelay; |
064af421 BP |
2343 | iface->delay_expires = time_msec() + delay; |
2344 | if (delay) { | |
2345 | VLOG_INFO_RL(&rl, | |
2346 | "interface %s: will be %s if it stays %s for %d ms", | |
2347 | iface->name, | |
c25c91fd EJ |
2348 | up ? "enabled" : "disabled", |
2349 | up ? "up" : "down", | |
064af421 BP |
2350 | delay); |
2351 | } | |
2352 | } | |
2353 | } | |
2354 | ||
2355 | static void | |
2356 | bond_choose_active_iface(struct port *port) | |
2357 | { | |
2358 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); | |
2359 | ||
2360 | port->active_iface = bond_choose_iface(port); | |
2361 | port->active_iface_tag = tag_create_random(); | |
2362 | if (port->active_iface >= 0) { | |
2363 | VLOG_INFO_RL(&rl, "port %s: active interface is now %s", | |
2364 | port->name, port->ifaces[port->active_iface]->name); | |
2365 | } else { | |
2366 | VLOG_WARN_RL(&rl, "port %s: all ports disabled, no active interface", | |
2367 | port->name); | |
2368 | } | |
2369 | } | |
2370 | ||
da285df4 BP |
2371 | static void |
2372 | bond_enable_slave(struct iface *iface, bool enable) | |
2373 | { | |
2374 | struct port *port = iface->port; | |
2375 | struct bridge *br = port->bridge; | |
2376 | ||
8b2a2f4a JG |
2377 | /* This acts as a recursion check. If the act of disabling a slave |
2378 | * causes a different slave to be enabled, the flag will allow us to | |
2379 | * skip redundant work when we reenter this function. It must be | |
2380 | * cleared on exit to keep things safe with multiple bonds. */ | |
2381 | static bool moving_active_iface = false; | |
2382 | ||
da285df4 BP |
2383 | iface->delay_expires = LLONG_MAX; |
2384 | if (enable == iface->enabled) { | |
2385 | return; | |
2386 | } | |
2387 | ||
2388 | iface->enabled = enable; | |
2389 | if (!iface->enabled) { | |
17ea75b2 | 2390 | VLOG_WARN("interface %s: disabled", iface->name); |
da285df4 BP |
2391 | ofproto_revalidate(br->ofproto, iface->tag); |
2392 | if (iface->port_ifidx == port->active_iface) { | |
2393 | ofproto_revalidate(br->ofproto, | |
2394 | port->active_iface_tag); | |
8b2a2f4a JG |
2395 | |
2396 | /* Disabling a slave can lead to another slave being immediately | |
2397 | * enabled if there will be no active slaves but one is waiting | |
2398 | * on an updelay. In this case we do not need to run most of the | |
2399 | * code for the newly enabled slave since there was no period | |
2400 | * without an active slave and it is redundant with the disabling | |
2401 | * path. */ | |
2402 | moving_active_iface = true; | |
da285df4 BP |
2403 | bond_choose_active_iface(port); |
2404 | } | |
2405 | bond_send_learning_packets(port); | |
2406 | } else { | |
17ea75b2 | 2407 | VLOG_WARN("interface %s: enabled", iface->name); |
8b2a2f4a | 2408 | if (port->active_iface < 0 && !moving_active_iface) { |
da285df4 BP |
2409 | ofproto_revalidate(br->ofproto, port->no_ifaces_tag); |
2410 | bond_choose_active_iface(port); | |
2411 | bond_send_learning_packets(port); | |
2412 | } | |
2413 | iface->tag = tag_create_random(); | |
2414 | } | |
8b2a2f4a JG |
2415 | |
2416 | moving_active_iface = false; | |
da285df4 BP |
2417 | } |
2418 | ||
8722022c BP |
2419 | /* Attempts to make the sum of the bond slaves' statistics appear on the fake |
2420 | * bond interface. */ | |
2421 | static void | |
2422 | bond_update_fake_iface_stats(struct port *port) | |
2423 | { | |
2424 | struct netdev_stats bond_stats; | |
2425 | struct netdev *bond_dev; | |
2426 | size_t i; | |
2427 | ||
2428 | memset(&bond_stats, 0, sizeof bond_stats); | |
2429 | ||
2430 | for (i = 0; i < port->n_ifaces; i++) { | |
2431 | struct netdev_stats slave_stats; | |
2432 | ||
2433 | if (!netdev_get_stats(port->ifaces[i]->netdev, &slave_stats)) { | |
f4b6076a JG |
2434 | /* XXX: We swap the stats here because they are swapped back when |
2435 | * reported by the internal device. The reason for this is | |
2436 | * internal devices normally represent packets going into the system | |
2437 | * but when used as fake bond device they represent packets leaving | |
2438 | * the system. We really should do this in the internal device | |
2439 | * itself because changing it here reverses the counts from the | |
2440 | * perspective of the switch. However, the internal device doesn't | |
2441 | * know what type of device it represents so we have to do it here | |
2442 | * for now. */ | |
2443 | bond_stats.tx_packets += slave_stats.rx_packets; | |
2444 | bond_stats.tx_bytes += slave_stats.rx_bytes; | |
2445 | bond_stats.rx_packets += slave_stats.tx_packets; | |
2446 | bond_stats.rx_bytes += slave_stats.tx_bytes; | |
8722022c BP |
2447 | } |
2448 | } | |
2449 | ||
2450 | if (!netdev_open_default(port->name, &bond_dev)) { | |
2451 | netdev_set_stats(bond_dev, &bond_stats); | |
2452 | netdev_close(bond_dev); | |
2453 | } | |
2454 | } | |
2455 | ||
064af421 | 2456 | static void |
21dcb94f | 2457 | bond_run(struct port *port) |
064af421 | 2458 | { |
21dcb94f | 2459 | size_t i; |
0bb5c3ec | 2460 | |
21dcb94f EJ |
2461 | if (port->n_ifaces < 2) { |
2462 | return; | |
2463 | } | |
0bb5c3ec | 2464 | |
21dcb94f EJ |
2465 | for (i = 0; i < port->n_ifaces; i++) { |
2466 | bond_link_status_update(port->ifaces[i]); | |
2467 | } | |
8722022c | 2468 | |
21dcb94f EJ |
2469 | for (i = 0; i < port->n_ifaces; i++) { |
2470 | struct iface *iface = port->ifaces[i]; | |
2471 | if (time_msec() >= iface->delay_expires) { | |
2472 | bond_enable_slave(iface, !iface->enabled); | |
8b2a2f4a | 2473 | } |
064af421 | 2474 | } |
21dcb94f EJ |
2475 | |
2476 | if (port->bond_fake_iface | |
2477 | && time_msec() >= port->bond_next_fake_iface_update) { | |
2478 | bond_update_fake_iface_stats(port); | |
2479 | port->bond_next_fake_iface_update = time_msec() + 1000; | |
2480 | } | |
064af421 BP |
2481 | } |
2482 | ||
2483 | static void | |
21dcb94f | 2484 | bond_wait(struct port *port) |
064af421 | 2485 | { |
21dcb94f | 2486 | size_t i; |
064af421 | 2487 | |
21dcb94f EJ |
2488 | if (port->n_ifaces < 2) { |
2489 | return; | |
2490 | } | |
63331829 | 2491 | |
21dcb94f EJ |
2492 | for (i = 0; i < port->n_ifaces; i++) { |
2493 | struct iface *iface = port->ifaces[i]; | |
2494 | if (iface->delay_expires != LLONG_MAX) { | |
2495 | poll_timer_wait_until(iface->delay_expires); | |
8722022c | 2496 | } |
064af421 | 2497 | } |
21dcb94f EJ |
2498 | |
2499 | if (port->bond_fake_iface) { | |
2500 | poll_timer_wait_until(port->bond_next_fake_iface_update); | |
2501 | } | |
064af421 BP |
2502 | } |
2503 | ||
2504 | static bool | |
0c62a7ad | 2505 | set_dst(struct dst *dst, const struct flow *flow, |
064af421 BP |
2506 | const struct port *in_port, const struct port *out_port, |
2507 | tag_type *tags) | |
2508 | { | |
0c62a7ad | 2509 | dst->vlan = (out_port->vlan >= 0 ? OFP_VLAN_NONE |
064af421 | 2510 | : in_port->vlan >= 0 ? in_port->vlan |
66642cb4 BP |
2511 | : flow->vlan_tci == 0 ? OFP_VLAN_NONE |
2512 | : vlan_tci_to_vid(flow->vlan_tci)); | |
9f5073d8 | 2513 | return choose_output_iface(out_port, flow, dst->vlan, |
0c62a7ad | 2514 | &dst->dp_ifidx, tags); |
064af421 BP |
2515 | } |
2516 | ||
2517 | static void | |
2518 | swap_dst(struct dst *p, struct dst *q) | |
2519 | { | |
2520 | struct dst tmp = *p; | |
2521 | *p = *q; | |
2522 | *q = tmp; | |
2523 | } | |
2524 | ||
2525 | /* Moves all the dsts with vlan == 'vlan' to the front of the 'n_dsts' in | |
2526 | * 'dsts'. (This may help performance by reducing the number of VLAN changes | |
2527 | * that we push to the datapath. We could in fact fully sort the array by | |
2528 | * vlan, but in most cases there are at most two different vlan tags so that's | |
2529 | * possibly overkill.) */ | |
2530 | static void | |
0c62a7ad | 2531 | partition_dsts(struct dst_set *set, int vlan) |
064af421 | 2532 | { |
0c62a7ad BP |
2533 | struct dst *first = set->dsts; |
2534 | struct dst *last = set->dsts + set->n; | |
064af421 BP |
2535 | |
2536 | while (first != last) { | |
2537 | /* Invariants: | |
2538 | * - All dsts < first have vlan == 'vlan'. | |
2539 | * - All dsts >= last have vlan != 'vlan'. | |
2540 | * - first < last. */ | |
2541 | while (first->vlan == vlan) { | |
2542 | if (++first == last) { | |
2543 | return; | |
2544 | } | |
2545 | } | |
2546 | ||
2547 | /* Same invariants, plus one additional: | |
2548 | * - first->vlan != vlan. | |
2549 | */ | |
2550 | while (last[-1].vlan != vlan) { | |
2551 | if (--last == first) { | |
2552 | return; | |
2553 | } | |
2554 | } | |
2555 | ||
2556 | /* Same invariants, plus one additional: | |
2557 | * - last[-1].vlan == vlan.*/ | |
2558 | swap_dst(first++, --last); | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | static int | |
2563 | mirror_mask_ffs(mirror_mask_t mask) | |
2564 | { | |
2565 | BUILD_ASSERT_DECL(sizeof(unsigned int) >= sizeof(mask)); | |
2566 | return ffs(mask); | |
2567 | } | |
2568 | ||
0c62a7ad BP |
2569 | static void |
2570 | dst_set_init(struct dst_set *set) | |
2571 | { | |
2572 | set->dsts = set->builtin; | |
2573 | set->n = 0; | |
2574 | set->allocated = ARRAY_SIZE(set->builtin); | |
2575 | } | |
2576 | ||
2577 | static void | |
2578 | dst_set_add(struct dst_set *set, const struct dst *dst) | |
2579 | { | |
2580 | if (set->n >= set->allocated) { | |
2581 | size_t new_allocated; | |
2582 | struct dst *new_dsts; | |
2583 | ||
2584 | new_allocated = set->allocated * 2; | |
2585 | new_dsts = xmalloc(new_allocated * sizeof *new_dsts); | |
2586 | memcpy(new_dsts, set->dsts, set->n * sizeof *new_dsts); | |
2587 | ||
2588 | dst_set_free(set); | |
2589 | ||
2590 | set->dsts = new_dsts; | |
2591 | set->allocated = new_allocated; | |
2592 | } | |
2593 | set->dsts[set->n++] = *dst; | |
2594 | } | |
2595 | ||
2596 | static void | |
2597 | dst_set_free(struct dst_set *set) | |
2598 | { | |
2599 | if (set->dsts != set->builtin) { | |
2600 | free(set->dsts); | |
2601 | } | |
2602 | } | |
2603 | ||
064af421 | 2604 | static bool |
0c62a7ad | 2605 | dst_is_duplicate(const struct dst_set *set, const struct dst *test) |
064af421 BP |
2606 | { |
2607 | size_t i; | |
0c62a7ad BP |
2608 | for (i = 0; i < set->n; i++) { |
2609 | if (set->dsts[i].vlan == test->vlan | |
2610 | && set->dsts[i].dp_ifidx == test->dp_ifidx) { | |
064af421 BP |
2611 | return true; |
2612 | } | |
2613 | } | |
2614 | return false; | |
2615 | } | |
2616 | ||
2617 | static bool | |
2618 | port_trunks_vlan(const struct port *port, uint16_t vlan) | |
2619 | { | |
3e9c481c BP |
2620 | return (port->vlan < 0 |
2621 | && (!port->trunks || bitmap_is_set(port->trunks, vlan))); | |
064af421 BP |
2622 | } |
2623 | ||
2624 | static bool | |
2625 | port_includes_vlan(const struct port *port, uint16_t vlan) | |
2626 | { | |
2627 | return vlan == port->vlan || port_trunks_vlan(port, vlan); | |
2628 | } | |
2629 | ||
a4e2e1f2 EJ |
2630 | static bool |
2631 | port_is_floodable(const struct port *port) | |
2632 | { | |
2633 | int i; | |
2634 | ||
2635 | for (i = 0; i < port->n_ifaces; i++) { | |
2636 | if (!ofproto_port_is_floodable(port->bridge->ofproto, | |
2637 | port->ifaces[i]->dp_ifidx)) { | |
2638 | return false; | |
2639 | } | |
2640 | } | |
2641 | return true; | |
2642 | } | |
2643 | ||
0c62a7ad | 2644 | static void |
ae412e7d | 2645 | compose_dsts(const struct bridge *br, const struct flow *flow, uint16_t vlan, |
064af421 | 2646 | const struct port *in_port, const struct port *out_port, |
0c62a7ad | 2647 | struct dst_set *set, tag_type *tags, uint16_t *nf_output_iface) |
064af421 BP |
2648 | { |
2649 | mirror_mask_t mirrors = in_port->src_mirrors; | |
0c62a7ad | 2650 | struct dst dst; |
66642cb4 | 2651 | int flow_vlan; |
064af421 BP |
2652 | size_t i; |
2653 | ||
66642cb4 BP |
2654 | flow_vlan = vlan_tci_to_vid(flow->vlan_tci); |
2655 | if (flow_vlan == 0) { | |
2656 | flow_vlan = OFP_VLAN_NONE; | |
2657 | } | |
2658 | ||
064af421 | 2659 | if (out_port == FLOOD_PORT) { |
064af421 BP |
2660 | for (i = 0; i < br->n_ports; i++) { |
2661 | struct port *port = br->ports[i]; | |
a4e2e1f2 EJ |
2662 | if (port != in_port |
2663 | && port_is_floodable(port) | |
2664 | && port_includes_vlan(port, vlan) | |
064af421 | 2665 | && !port->is_mirror_output_port |
0c62a7ad | 2666 | && set_dst(&dst, flow, in_port, port, tags)) { |
064af421 | 2667 | mirrors |= port->dst_mirrors; |
0c62a7ad | 2668 | dst_set_add(set, &dst); |
064af421 BP |
2669 | } |
2670 | } | |
6a07af36 | 2671 | *nf_output_iface = NF_OUT_FLOOD; |
0c62a7ad BP |
2672 | } else if (out_port && set_dst(&dst, flow, in_port, out_port, tags)) { |
2673 | dst_set_add(set, &dst); | |
2674 | *nf_output_iface = dst.dp_ifidx; | |
064af421 | 2675 | mirrors |= out_port->dst_mirrors; |
064af421 BP |
2676 | } |
2677 | ||
2678 | while (mirrors) { | |
2679 | struct mirror *m = br->mirrors[mirror_mask_ffs(mirrors) - 1]; | |
2680 | if (!m->n_vlans || vlan_is_mirrored(m, vlan)) { | |
2681 | if (m->out_port) { | |
0c62a7ad BP |
2682 | if (set_dst(&dst, flow, in_port, m->out_port, tags) |
2683 | && !dst_is_duplicate(set, &dst)) { | |
2684 | dst_set_add(set, &dst); | |
064af421 BP |
2685 | } |
2686 | } else { | |
2687 | for (i = 0; i < br->n_ports; i++) { | |
2688 | struct port *port = br->ports[i]; | |
2689 | if (port_includes_vlan(port, m->out_vlan) | |
0c62a7ad | 2690 | && set_dst(&dst, flow, in_port, port, tags)) |
064af421 BP |
2691 | { |
2692 | if (port->vlan < 0) { | |
0c62a7ad | 2693 | dst.vlan = m->out_vlan; |
064af421 | 2694 | } |
0c62a7ad | 2695 | if (dst_is_duplicate(set, &dst)) { |
274de4d2 BP |
2696 | continue; |
2697 | } | |
43aa5f47 JG |
2698 | |
2699 | /* Use the vlan tag on the original flow instead of | |
2700 | * the one passed in the vlan parameter. This ensures | |
2701 | * that we compare the vlan from before any implicit | |
2702 | * tagging tags place. This is necessary because | |
2703 | * dst->vlan is the final vlan, after removing implicit | |
2704 | * tags. */ | |
0c62a7ad | 2705 | if (port == in_port && dst.vlan == flow_vlan) { |
064af421 BP |
2706 | /* Don't send out input port on same VLAN. */ |
2707 | continue; | |
2708 | } | |
0c62a7ad | 2709 | dst_set_add(set, &dst); |
064af421 BP |
2710 | } |
2711 | } | |
2712 | } | |
2713 | } | |
2714 | mirrors &= mirrors - 1; | |
2715 | } | |
2716 | ||
0c62a7ad | 2717 | partition_dsts(set, flow_vlan); |
064af421 BP |
2718 | } |
2719 | ||
67a4917b | 2720 | static void OVS_UNUSED |
0c62a7ad | 2721 | print_dsts(const struct dst_set *set) |
064af421 | 2722 | { |
0c62a7ad BP |
2723 | size_t i; |
2724 | ||
2725 | for (i = 0; i < set->n; i++) { | |
2726 | const struct dst *dst = &set->dsts[i]; | |
2727 | ||
2728 | printf(">p%"PRIu16, dst->dp_ifidx); | |
2729 | if (dst->vlan != OFP_VLAN_NONE) { | |
2730 | printf("v%"PRIu16, dst->vlan); | |
064af421 BP |
2731 | } |
2732 | } | |
2733 | } | |
2734 | ||
2735 | static void | |
ae412e7d | 2736 | compose_actions(struct bridge *br, const struct flow *flow, uint16_t vlan, |
064af421 | 2737 | const struct port *in_port, const struct port *out_port, |
cdee00fd | 2738 | tag_type *tags, struct ofpbuf *actions, |
6a07af36 | 2739 | uint16_t *nf_output_iface) |
064af421 | 2740 | { |
0c62a7ad | 2741 | struct dst_set set; |
064af421 | 2742 | uint16_t cur_vlan; |
0c62a7ad | 2743 | size_t i; |
064af421 | 2744 | |
0c62a7ad BP |
2745 | dst_set_init(&set); |
2746 | compose_dsts(br, flow, vlan, in_port, out_port, &set, tags, | |
2747 | nf_output_iface); | |
064af421 | 2748 | |
66642cb4 BP |
2749 | cur_vlan = vlan_tci_to_vid(flow->vlan_tci); |
2750 | if (cur_vlan == 0) { | |
2751 | cur_vlan = OFP_VLAN_NONE; | |
2752 | } | |
0c62a7ad BP |
2753 | for (i = 0; i < set.n; i++) { |
2754 | const struct dst *dst = &set.dsts[i]; | |
2755 | if (dst->vlan != cur_vlan) { | |
2756 | if (dst->vlan == OFP_VLAN_NONE) { | |
7aec165d | 2757 | nl_msg_put_flag(actions, ODP_ACTION_ATTR_STRIP_VLAN); |
064af421 | 2758 | } else { |
cdee00fd | 2759 | ovs_be16 tci; |
0c62a7ad | 2760 | tci = htons(dst->vlan & VLAN_VID_MASK); |
cdee00fd | 2761 | tci |= flow->vlan_tci & htons(VLAN_PCP_MASK); |
7aec165d | 2762 | nl_msg_put_be16(actions, ODP_ACTION_ATTR_SET_DL_TCI, tci); |
064af421 | 2763 | } |
0c62a7ad | 2764 | cur_vlan = dst->vlan; |
064af421 | 2765 | } |
7aec165d | 2766 | nl_msg_put_u32(actions, ODP_ACTION_ATTR_OUTPUT, dst->dp_ifidx); |
064af421 | 2767 | } |
0c62a7ad | 2768 | dst_set_free(&set); |
064af421 BP |
2769 | } |
2770 | ||
e96a4d80 JG |
2771 | /* Returns the effective vlan of a packet, taking into account both the |
2772 | * 802.1Q header and implicitly tagged ports. A value of 0 indicates that | |
2773 | * the packet is untagged and -1 indicates it has an invalid header and | |
2774 | * should be dropped. */ | |
ae412e7d | 2775 | static int flow_get_vlan(struct bridge *br, const struct flow *flow, |
e96a4d80 JG |
2776 | struct port *in_port, bool have_packet) |
2777 | { | |
66642cb4 | 2778 | int vlan = vlan_tci_to_vid(flow->vlan_tci); |
e96a4d80 JG |
2779 | if (in_port->vlan >= 0) { |
2780 | if (vlan) { | |
2781 | /* XXX support double tagging? */ | |
2782 | if (have_packet) { | |
2783 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
66642cb4 | 2784 | VLOG_WARN_RL(&rl, "bridge %s: dropping VLAN %d tagged " |
e96a4d80 JG |
2785 | "packet received on port %s configured with " |
2786 | "implicit VLAN %"PRIu16, | |
66642cb4 | 2787 | br->name, vlan, in_port->name, in_port->vlan); |
e96a4d80 JG |
2788 | } |
2789 | return -1; | |
2790 | } | |
2791 | vlan = in_port->vlan; | |
2792 | } else { | |
2793 | if (!port_includes_vlan(in_port, vlan)) { | |
2794 | if (have_packet) { | |
2795 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2796 | VLOG_WARN_RL(&rl, "bridge %s: dropping VLAN %d tagged " | |
2797 | "packet received on port %s not configured for " | |
2798 | "trunking VLAN %d", | |
2799 | br->name, vlan, in_port->name, vlan); | |
2800 | } | |
2801 | return -1; | |
2802 | } | |
2803 | } | |
2804 | ||
2805 | return vlan; | |
2806 | } | |
2807 | ||
7febb910 JG |
2808 | /* A VM broadcasts a gratuitous ARP to indicate that it has resumed after |
2809 | * migration. Older Citrix-patched Linux DomU used gratuitous ARP replies to | |
2810 | * indicate this; newer upstream kernels use gratuitous ARP requests. */ | |
2811 | static bool | |
ae412e7d | 2812 | is_gratuitous_arp(const struct flow *flow) |
7febb910 JG |
2813 | { |
2814 | return (flow->dl_type == htons(ETH_TYPE_ARP) | |
2815 | && eth_addr_is_broadcast(flow->dl_dst) | |
2816 | && (flow->nw_proto == ARP_OP_REPLY | |
2817 | || (flow->nw_proto == ARP_OP_REQUEST | |
2818 | && flow->nw_src == flow->nw_dst))); | |
2819 | } | |
2820 | ||
e96a4d80 | 2821 | static void |
ae412e7d | 2822 | update_learning_table(struct bridge *br, const struct flow *flow, int vlan, |
e96a4d80 JG |
2823 | struct port *in_port) |
2824 | { | |
7febb910 JG |
2825 | enum grat_arp_lock_type lock_type; |
2826 | tag_type rev_tag; | |
2827 | ||
2828 | /* We don't want to learn from gratuitous ARP packets that are reflected | |
2829 | * back over bond slaves so we lock the learning table. */ | |
2830 | lock_type = !is_gratuitous_arp(flow) ? GRAT_ARP_LOCK_NONE : | |
2831 | (in_port->n_ifaces == 1) ? GRAT_ARP_LOCK_SET : | |
2832 | GRAT_ARP_LOCK_CHECK; | |
2833 | ||
2834 | rev_tag = mac_learning_learn(br->ml, flow->dl_src, vlan, in_port->port_idx, | |
2835 | lock_type); | |
e96a4d80 JG |
2836 | if (rev_tag) { |
2837 | /* The log messages here could actually be useful in debugging, | |
2838 | * so keep the rate limit relatively high. */ | |
2839 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(30, | |
2840 | 300); | |
2841 | VLOG_DBG_RL(&rl, "bridge %s: learned that "ETH_ADDR_FMT" is " | |
2842 | "on port %s in VLAN %d", | |
2843 | br->name, ETH_ADDR_ARGS(flow->dl_src), | |
2844 | in_port->name, vlan); | |
2845 | ofproto_revalidate(br->ofproto, rev_tag); | |
2846 | } | |
2847 | } | |
2848 | ||
14a34d00 BP |
2849 | /* Determines whether packets in 'flow' within 'br' should be forwarded or |
2850 | * dropped. Returns true if they may be forwarded, false if they should be | |
2851 | * dropped. | |
2852 | * | |
2853 | * If 'have_packet' is true, it indicates that the caller is processing a | |
2854 | * received packet. If 'have_packet' is false, then the caller is just | |
2855 | * revalidating an existing flow because configuration has changed. Either | |
2856 | * way, 'have_packet' only affects logging (there is no point in logging errors | |
2857 | * during revalidation). | |
2858 | * | |
2859 | * Sets '*in_portp' to the input port. This will be a null pointer if | |
2860 | * flow->in_port does not designate a known input port (in which case | |
2861 | * is_admissible() returns false). | |
2862 | * | |
2863 | * When returning true, sets '*vlanp' to the effective VLAN of the input | |
2864 | * packet, as returned by flow_get_vlan(). | |
2865 | * | |
2866 | * May also add tags to '*tags', although the current implementation only does | |
2867 | * so in one special case. | |
2868 | */ | |
064af421 | 2869 | static bool |
ae412e7d | 2870 | is_admissible(struct bridge *br, const struct flow *flow, bool have_packet, |
14a34d00 | 2871 | tag_type *tags, int *vlanp, struct port **in_portp) |
064af421 BP |
2872 | { |
2873 | struct iface *in_iface; | |
2874 | struct port *in_port; | |
064af421 BP |
2875 | int vlan; |
2876 | ||
2877 | /* Find the interface and port structure for the received packet. */ | |
2878 | in_iface = iface_from_dp_ifidx(br, flow->in_port); | |
2879 | if (!in_iface) { | |
2880 | /* No interface? Something fishy... */ | |
14a34d00 | 2881 | if (have_packet) { |
064af421 BP |
2882 | /* Odd. A few possible reasons here: |
2883 | * | |
2884 | * - We deleted an interface but there are still a few packets | |
2885 | * queued up from it. | |
2886 | * | |
2887 | * - Someone externally added an interface (e.g. with "ovs-dpctl | |
2888 | * add-if") that we don't know about. | |
2889 | * | |
2890 | * - Packet arrived on the local port but the local port is not | |
2891 | * one of our bridge ports. | |
2892 | */ | |
2893 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2894 | ||
2895 | VLOG_WARN_RL(&rl, "bridge %s: received packet on unknown " | |
d295e8e9 | 2896 | "interface %"PRIu16, br->name, flow->in_port); |
064af421 BP |
2897 | } |
2898 | ||
14a34d00 BP |
2899 | *in_portp = NULL; |
2900 | return false; | |
064af421 | 2901 | } |
14a34d00 BP |
2902 | *in_portp = in_port = in_iface->port; |
2903 | *vlanp = vlan = flow_get_vlan(br, flow, in_port, have_packet); | |
e96a4d80 | 2904 | if (vlan < 0) { |
14a34d00 | 2905 | return false; |
064af421 BP |
2906 | } |
2907 | ||
064af421 BP |
2908 | /* Drop frames for reserved multicast addresses. */ |
2909 | if (eth_addr_is_reserved(flow->dl_dst)) { | |
14a34d00 | 2910 | return false; |
064af421 BP |
2911 | } |
2912 | ||
2913 | /* Drop frames on ports reserved for mirroring. */ | |
2914 | if (in_port->is_mirror_output_port) { | |
14a34d00 | 2915 | if (have_packet) { |
f925807d BP |
2916 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
2917 | VLOG_WARN_RL(&rl, "bridge %s: dropping packet received on port " | |
2918 | "%s, which is reserved exclusively for mirroring", | |
2919 | br->name, in_port->name); | |
2920 | } | |
14a34d00 | 2921 | return false; |
064af421 BP |
2922 | } |
2923 | ||
c25c91fd EJ |
2924 | /* When using LACP, do not accept packets from disabled interfaces. */ |
2925 | if (in_port->lacp & LACP_NEGOTIATED && !in_iface->enabled) { | |
2926 | return false; | |
2927 | } | |
2928 | ||
2929 | /* Packets received on non-LACP bonds need special attention to avoid | |
2930 | * duplicates. */ | |
2931 | if (in_port->n_ifaces > 1 && !(in_port->lacp & LACP_NEGOTIATED)) { | |
3a55ef14 | 2932 | int src_idx; |
7febb910 | 2933 | bool is_grat_arp_locked; |
3a55ef14 JG |
2934 | |
2935 | if (eth_addr_is_multicast(flow->dl_dst)) { | |
2936 | *tags |= in_port->active_iface_tag; | |
2937 | if (in_port->active_iface != in_iface->port_ifidx) { | |
2938 | /* Drop all multicast packets on inactive slaves. */ | |
14a34d00 | 2939 | return false; |
c93b1d6a | 2940 | } |
064af421 | 2941 | } |
3a55ef14 JG |
2942 | |
2943 | /* Drop all packets for which we have learned a different input | |
2944 | * port, because we probably sent the packet on one slave and got | |
5d0ae138 | 2945 | * it back on the other. Gratuitous ARP packets are an exception |
7febb910 JG |
2946 | * to this rule: the host has moved to another switch. The exception |
2947 | * to the exception is if we locked the learning table to avoid | |
2948 | * reflections on bond slaves. If this is the case, just drop the | |
2949 | * packet now. */ | |
2950 | src_idx = mac_learning_lookup(br->ml, flow->dl_src, vlan, | |
2951 | &is_grat_arp_locked); | |
3a55ef14 | 2952 | if (src_idx != -1 && src_idx != in_port->port_idx && |
7febb910 | 2953 | (!is_gratuitous_arp(flow) || is_grat_arp_locked)) { |
14a34d00 | 2954 | return false; |
3a55ef14 | 2955 | } |
064af421 BP |
2956 | } |
2957 | ||
14a34d00 BP |
2958 | return true; |
2959 | } | |
2960 | ||
2961 | /* If the composed actions may be applied to any packet in the given 'flow', | |
2962 | * returns true. Otherwise, the actions should only be applied to 'packet', or | |
2963 | * not at all, if 'packet' was NULL. */ | |
2964 | static bool | |
ae412e7d | 2965 | process_flow(struct bridge *br, const struct flow *flow, |
cdee00fd | 2966 | const struct ofpbuf *packet, struct ofpbuf *actions, |
14a34d00 BP |
2967 | tag_type *tags, uint16_t *nf_output_iface) |
2968 | { | |
2969 | struct port *in_port; | |
2970 | struct port *out_port; | |
2971 | int vlan; | |
2972 | int out_port_idx; | |
2973 | ||
2974 | /* Check whether we should drop packets in this flow. */ | |
2975 | if (!is_admissible(br, flow, packet != NULL, tags, &vlan, &in_port)) { | |
2976 | out_port = NULL; | |
2977 | goto done; | |
2978 | } | |
2979 | ||
93dfc067 JG |
2980 | /* Learn source MAC (but don't try to learn from revalidation). */ |
2981 | if (packet) { | |
e96a4d80 | 2982 | update_learning_table(br, flow, vlan, in_port); |
93dfc067 JG |
2983 | } |
2984 | ||
2985 | /* Determine output port. */ | |
7febb910 JG |
2986 | out_port_idx = mac_learning_lookup_tag(br->ml, flow->dl_dst, vlan, tags, |
2987 | NULL); | |
93dfc067 JG |
2988 | if (out_port_idx >= 0 && out_port_idx < br->n_ports) { |
2989 | out_port = br->ports[out_port_idx]; | |
e96a4d80 | 2990 | } else if (!packet && !eth_addr_is_multicast(flow->dl_dst)) { |
93dfc067 | 2991 | /* If we are revalidating but don't have a learning entry then |
e96a4d80 JG |
2992 | * eject the flow. Installing a flow that floods packets opens |
2993 | * up a window of time where we could learn from a packet reflected | |
2994 | * on a bond and blackhole packets before the learning table is | |
2995 | * updated to reflect the correct port. */ | |
93dfc067 | 2996 | return false; |
1609aa03 BP |
2997 | } else { |
2998 | out_port = FLOOD_PORT; | |
064af421 BP |
2999 | } |
3000 | ||
ba54bf4f BP |
3001 | /* Don't send packets out their input ports. */ |
3002 | if (in_port == out_port) { | |
064af421 BP |
3003 | out_port = NULL; |
3004 | } | |
3005 | ||
3006 | done: | |
14a34d00 BP |
3007 | if (in_port) { |
3008 | compose_actions(br, flow, vlan, in_port, out_port, tags, actions, | |
3009 | nf_output_iface); | |
3010 | } | |
064af421 | 3011 | |
69d60f9f | 3012 | return true; |
064af421 BP |
3013 | } |
3014 | ||
064af421 | 3015 | static bool |
ae412e7d | 3016 | bridge_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet, |
cdee00fd | 3017 | struct ofpbuf *actions, tag_type *tags, |
6a07af36 | 3018 | uint16_t *nf_output_iface, void *br_) |
064af421 BP |
3019 | { |
3020 | struct bridge *br = br_; | |
3021 | ||
064af421 | 3022 | COVERAGE_INC(bridge_process_flow); |
ebe482fd EJ |
3023 | return process_flow(br, flow, packet, actions, tags, nf_output_iface); |
3024 | } | |
3025 | ||
3026 | static bool | |
3027 | bridge_special_ofhook_cb(const struct flow *flow, | |
3028 | const struct ofpbuf *packet, void *br_) | |
3029 | { | |
3030 | struct iface *iface; | |
3031 | struct bridge *br = br_; | |
26d79bf2 | 3032 | |
b31bcf60 EJ |
3033 | iface = iface_from_dp_ifidx(br, flow->in_port); |
3034 | ||
3035 | if (cfm_should_process_flow(flow)) { | |
ebe482fd EJ |
3036 | |
3037 | if (iface && packet && iface->cfm) { | |
3038 | COVERAGE_INC(bridge_process_cfm); | |
b31bcf60 EJ |
3039 | cfm_process_heartbeat(iface->cfm, packet); |
3040 | } | |
3041 | return false; | |
c25c91fd | 3042 | } else if (flow->dl_type == htons(ETH_TYPE_LACP)) { |
ebe482fd EJ |
3043 | |
3044 | if (iface && packet) { | |
3045 | COVERAGE_INC(bridge_process_lacp); | |
c25c91fd EJ |
3046 | lacp_process_packet(packet, iface); |
3047 | } | |
3048 | return false; | |
b31bcf60 EJ |
3049 | } |
3050 | ||
ebe482fd | 3051 | return true; |
064af421 BP |
3052 | } |
3053 | ||
3054 | static void | |
ae412e7d | 3055 | bridge_account_flow_ofhook_cb(const struct flow *flow, tag_type tags, |
cdee00fd | 3056 | const struct nlattr *actions, |
cf22f8cb | 3057 | size_t actions_len, |
7006c033 | 3058 | uint64_t n_bytes, void *br_) |
064af421 BP |
3059 | { |
3060 | struct bridge *br = br_; | |
cdee00fd | 3061 | const struct nlattr *a; |
db0e2ad1 | 3062 | struct port *in_port; |
26d79bf2 | 3063 | tag_type dummy = 0; |
cdee00fd | 3064 | unsigned int left; |
db0e2ad1 | 3065 | int vlan; |
064af421 | 3066 | |
26d79bf2 BP |
3067 | /* Feed information from the active flows back into the learning table to |
3068 | * ensure that table is always in sync with what is actually flowing | |
3069 | * through the datapath. | |
3070 | * | |
3071 | * We test that 'tags' is nonzero to ensure that only flows that include an | |
3072 | * OFPP_NORMAL action are used for learning. This works because | |
3073 | * bridge_normal_ofhook_cb() always sets a nonzero tag value. */ | |
3074 | if (tags && is_admissible(br, flow, false, &dummy, &vlan, &in_port)) { | |
db0e2ad1 | 3075 | update_learning_table(br, flow, vlan, in_port); |
e96a4d80 JG |
3076 | } |
3077 | ||
26d79bf2 | 3078 | /* Account for bond slave utilization. */ |
064af421 BP |
3079 | if (!br->has_bonded_ports) { |
3080 | return; | |
3081 | } | |
cdee00fd | 3082 | NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) { |
7aec165d | 3083 | if (nl_attr_type(a) == ODP_ACTION_ATTR_OUTPUT) { |
cdee00fd | 3084 | struct port *out_port = port_from_dp_ifidx(br, nl_attr_get_u32(a)); |
be02e7c3 | 3085 | if (out_port && out_port->n_ifaces >= 2 && |
f48f70b7 | 3086 | out_port->bond_mode != BM_AB) { |
e58de0e3 EJ |
3087 | uint16_t vlan = (flow->vlan_tci |
3088 | ? vlan_tci_to_vid(flow->vlan_tci) | |
3089 | : OFP_VLAN_NONE); | |
9f5073d8 | 3090 | struct bond_entry *e = lookup_bond_entry(out_port, flow, vlan); |
064af421 BP |
3091 | e->tx_bytes += n_bytes; |
3092 | } | |
3093 | } | |
3094 | } | |
3095 | } | |
3096 | ||
3097 | static void | |
3098 | bridge_account_checkpoint_ofhook_cb(void *br_) | |
3099 | { | |
3100 | struct bridge *br = br_; | |
c8143c88 | 3101 | long long int now; |
064af421 BP |
3102 | size_t i; |
3103 | ||
3104 | if (!br->has_bonded_ports) { | |
3105 | return; | |
3106 | } | |
3107 | ||
c8143c88 | 3108 | now = time_msec(); |
064af421 BP |
3109 | for (i = 0; i < br->n_ports; i++) { |
3110 | struct port *port = br->ports[i]; | |
f48f70b7 | 3111 | if (port->n_ifaces > 1 && port->bond_mode != BM_AB |
be02e7c3 | 3112 | && now >= port->bond_next_rebalance) { |
c8143c88 | 3113 | port->bond_next_rebalance = now + port->bond_rebalance_interval; |
064af421 BP |
3114 | bond_rebalance_port(port); |
3115 | } | |
3116 | } | |
3117 | } | |
3118 | ||
3119 | static struct ofhooks bridge_ofhooks = { | |
064af421 | 3120 | bridge_normal_ofhook_cb, |
ebe482fd | 3121 | bridge_special_ofhook_cb, |
064af421 BP |
3122 | bridge_account_flow_ofhook_cb, |
3123 | bridge_account_checkpoint_ofhook_cb, | |
3124 | }; | |
3125 | \f | |
c25c91fd EJ |
3126 | /* LACP functions. */ |
3127 | ||
3128 | static void | |
3129 | lacp_process_packet(const struct ofpbuf *packet, struct iface *iface) | |
3130 | { | |
3131 | const struct lacp_pdu *pdu; | |
3132 | ||
3133 | if (!iface->port->lacp) { | |
3134 | return; | |
3135 | } | |
3136 | ||
3137 | pdu = parse_lacp_packet(packet); | |
3138 | if (!pdu) { | |
3139 | return; | |
3140 | } | |
3141 | ||
76ab2ea7 | 3142 | iface->lacp_status |= LACP_CURRENT; |
f4709d4d | 3143 | iface->lacp_status &= ~(LACP_EXPIRED | LACP_DEFAULTED); |
c25c91fd EJ |
3144 | iface->lacp_rx = time_msec() + LACP_SLOW_TIME_RX; |
3145 | ||
3146 | iface->lacp_actor.state = iface_get_lacp_state(iface); | |
3147 | if (memcmp(&iface->lacp_actor, &pdu->partner, sizeof pdu->partner)) { | |
3148 | iface->lacp_tx = 0; | |
3149 | } | |
3150 | ||
3151 | if (memcmp(&iface->lacp_partner, &pdu->actor, sizeof pdu->actor)) { | |
3152 | iface->port->lacp_need_update = true; | |
3153 | iface->lacp_partner = pdu->actor; | |
3154 | } | |
3155 | } | |
3156 | ||
3157 | static void | |
3158 | lacp_update_ifaces(struct port *port) | |
3159 | { | |
3160 | size_t i; | |
3161 | struct iface *lead; | |
3162 | struct lacp_info lead_pri; | |
750d79a5 | 3163 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); |
c25c91fd EJ |
3164 | |
3165 | port->lacp_need_update = false; | |
750d79a5 | 3166 | COVERAGE_INC(bridge_lacp_update); |
c25c91fd EJ |
3167 | |
3168 | if (!port->lacp) { | |
3169 | return; | |
3170 | } | |
3171 | ||
750d79a5 EJ |
3172 | VLOG_DBG_RL(&rl, "port %s: re-evaluating LACP link status", port->name); |
3173 | ||
c25c91fd EJ |
3174 | lead = NULL; |
3175 | for (i = 0; i < port->n_ifaces; i++) { | |
3176 | struct iface *iface = port->ifaces[i]; | |
3177 | struct lacp_info pri; | |
3178 | ||
cd482758 | 3179 | iface->lacp_status |= LACP_ATTACHED; |
c25c91fd EJ |
3180 | ofproto_revalidate(port->bridge->ofproto, iface->tag); |
3181 | ||
3182 | /* Don't allow loopback interfaces to send traffic or lead. */ | |
b0ce40ee EJ |
3183 | if (eth_addr_equals(iface->lacp_partner.sys_id, |
3184 | iface->lacp_actor.sys_id)) { | |
c25c91fd EJ |
3185 | VLOG_WARN_RL(&rl, "iface %s: Loopback detected. Interface is " |
3186 | "connected to its own bridge", iface->name); | |
cd482758 | 3187 | iface->lacp_status &= ~LACP_ATTACHED; |
c25c91fd EJ |
3188 | continue; |
3189 | } | |
3190 | ||
cd482758 | 3191 | if (iface->lacp_status & LACP_DEFAULTED) { |
c25c91fd EJ |
3192 | continue; |
3193 | } | |
3194 | ||
3195 | iface_get_lacp_priority(iface, &pri); | |
3196 | ||
3197 | if (!lead || memcmp(&pri, &lead_pri, sizeof pri) < 0) { | |
3198 | lead = iface; | |
3199 | lead_pri = pri; | |
3200 | } | |
3201 | } | |
3202 | ||
3203 | if (!lead) { | |
3204 | port->lacp &= ~LACP_NEGOTIATED; | |
3205 | return; | |
3206 | } | |
3207 | ||
3208 | port->lacp |= LACP_NEGOTIATED; | |
3209 | ||
3210 | for (i = 0; i < port->n_ifaces; i++) { | |
3211 | struct iface *iface = port->ifaces[i]; | |
3212 | ||
cd482758 | 3213 | if (iface->lacp_status & LACP_DEFAULTED |
c25c91fd | 3214 | || lead->lacp_partner.key != iface->lacp_partner.key |
b0ce40ee EJ |
3215 | || !eth_addr_equals(lead->lacp_partner.sys_id, |
3216 | iface->lacp_partner.sys_id)) { | |
cd482758 | 3217 | iface->lacp_status &= ~LACP_ATTACHED; |
c25c91fd EJ |
3218 | } |
3219 | } | |
3220 | } | |
3221 | ||
3222 | static bool | |
3223 | lacp_iface_may_tx(const struct iface *iface) | |
3224 | { | |
3225 | return iface->port->lacp & LACP_ACTIVE | |
cd482758 | 3226 | || iface->lacp_status & (LACP_CURRENT | LACP_EXPIRED); |
c25c91fd EJ |
3227 | } |
3228 | ||
3229 | static void | |
21dcb94f | 3230 | lacp_run(struct port *port) |
c25c91fd | 3231 | { |
21dcb94f | 3232 | size_t i; |
c25c91fd EJ |
3233 | struct ofpbuf packet; |
3234 | ||
21dcb94f EJ |
3235 | if (!port->lacp) { |
3236 | return; | |
3237 | } | |
c25c91fd | 3238 | |
21dcb94f | 3239 | ofpbuf_init(&packet, ETH_HEADER_LEN + LACP_PDU_LEN); |
c25c91fd | 3240 | |
21dcb94f EJ |
3241 | for (i = 0; i < port->n_ifaces; i++) { |
3242 | struct iface *iface = port->ifaces[i]; | |
c25c91fd | 3243 | |
21dcb94f EJ |
3244 | if (time_msec() > iface->lacp_rx) { |
3245 | if (iface->lacp_status & LACP_CURRENT) { | |
3246 | iface_set_lacp_expired(iface); | |
3247 | } else if (iface->lacp_status & LACP_EXPIRED) { | |
3248 | iface_set_lacp_defaulted(iface); | |
c25c91fd EJ |
3249 | } |
3250 | } | |
21dcb94f | 3251 | } |
c25c91fd | 3252 | |
21dcb94f EJ |
3253 | if (port->lacp_need_update) { |
3254 | lacp_update_ifaces(port); | |
3255 | } | |
c25c91fd | 3256 | |
21dcb94f EJ |
3257 | for (i = 0; i < port->n_ifaces; i++) { |
3258 | struct iface *iface = port->ifaces[i]; | |
3259 | uint8_t ea[ETH_ADDR_LEN]; | |
3260 | int error; | |
c25c91fd | 3261 | |
21dcb94f EJ |
3262 | if (time_msec() < iface->lacp_tx || !lacp_iface_may_tx(iface)) { |
3263 | continue; | |
3264 | } | |
c25c91fd | 3265 | |
21dcb94f EJ |
3266 | error = netdev_get_etheraddr(iface->netdev, ea); |
3267 | if (!error) { | |
07a6cf77 EJ |
3268 | struct lacp_pdu pdu; |
3269 | ||
21dcb94f | 3270 | iface->lacp_actor.state = iface_get_lacp_state(iface); |
07a6cf77 EJ |
3271 | compose_lacp_pdu(&iface->lacp_actor, &iface->lacp_partner, &pdu); |
3272 | compose_lacp_packet(&packet, ea, &pdu); | |
21dcb94f EJ |
3273 | iface_send_packet(iface, &packet); |
3274 | } else { | |
3275 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
3276 | VLOG_ERR_RL(&rl, "iface %s: failed to obtain Ethernet address " | |
3277 | "(%s)", iface->name, strerror(error)); | |
c25c91fd | 3278 | } |
21dcb94f EJ |
3279 | |
3280 | iface->lacp_tx = time_msec() + | |
3281 | (iface->lacp_partner.state & LACP_STATE_TIME | |
3282 | ? LACP_FAST_TIME_TX | |
3283 | : LACP_SLOW_TIME_TX); | |
c25c91fd EJ |
3284 | } |
3285 | ofpbuf_uninit(&packet); | |
3286 | } | |
3287 | ||
3288 | static void | |
21dcb94f | 3289 | lacp_wait(struct port *port) |
c25c91fd | 3290 | { |
21dcb94f | 3291 | size_t i; |
c25c91fd | 3292 | |
21dcb94f EJ |
3293 | if (!port->lacp) { |
3294 | return; | |
3295 | } | |
c25c91fd | 3296 | |
21dcb94f EJ |
3297 | for (i = 0; i < port->n_ifaces; i++) { |
3298 | struct iface *iface = port->ifaces[i]; | |
c25c91fd | 3299 | |
21dcb94f EJ |
3300 | if (lacp_iface_may_tx(iface)) { |
3301 | poll_timer_wait_until(iface->lacp_tx); | |
3302 | } | |
c25c91fd | 3303 | |
21dcb94f EJ |
3304 | if (iface->lacp_status & (LACP_CURRENT | LACP_EXPIRED)) { |
3305 | poll_timer_wait_until(iface->lacp_rx); | |
c25c91fd EJ |
3306 | } |
3307 | } | |
3308 | } | |
3309 | \f | |
2303f3b2 BP |
3310 | /* Bonding functions. */ |
3311 | ||
064af421 BP |
3312 | /* Statistics for a single interface on a bonded port, used for load-based |
3313 | * bond rebalancing. */ | |
3314 | struct slave_balance { | |
3315 | struct iface *iface; /* The interface. */ | |
3316 | uint64_t tx_bytes; /* Sum of hashes[*]->tx_bytes. */ | |
3317 | ||
3318 | /* All the "bond_entry"s that are assigned to this interface, in order of | |
3319 | * increasing tx_bytes. */ | |
3320 | struct bond_entry **hashes; | |
3321 | size_t n_hashes; | |
3322 | }; | |
3323 | ||
be02e7c3 | 3324 | static const char * |
27dcaa1a EJ |
3325 | bond_mode_to_string(enum bond_mode bm) { |
3326 | static char *bm_slb = "balance-slb"; | |
3327 | static char *bm_ab = "active-backup"; | |
9f5073d8 | 3328 | static char *bm_tcp = "balance-tcp"; |
be02e7c3 | 3329 | |
27dcaa1a EJ |
3330 | switch (bm) { |
3331 | case BM_SLB: return bm_slb; | |
3332 | case BM_AB: return bm_ab; | |
9f5073d8 | 3333 | case BM_TCP: return bm_tcp; |
be02e7c3 EJ |
3334 | } |
3335 | ||
3336 | NOT_REACHED(); | |
3337 | return NULL; | |
3338 | } | |
3339 | ||
064af421 BP |
3340 | /* Sorts pointers to pointers to bond_entries in ascending order by the |
3341 | * interface to which they are assigned, and within a single interface in | |
3342 | * ascending order of bytes transmitted. */ | |
3343 | static int | |
3344 | compare_bond_entries(const void *a_, const void *b_) | |
3345 | { | |
3346 | const struct bond_entry *const *ap = a_; | |
3347 | const struct bond_entry *const *bp = b_; | |
3348 | const struct bond_entry *a = *ap; | |
3349 | const struct bond_entry *b = *bp; | |
3350 | if (a->iface_idx != b->iface_idx) { | |
3351 | return a->iface_idx > b->iface_idx ? 1 : -1; | |
3352 | } else if (a->tx_bytes != b->tx_bytes) { | |
3353 | return a->tx_bytes > b->tx_bytes ? 1 : -1; | |
3354 | } else { | |
3355 | return 0; | |
3356 | } | |
3357 | } | |
3358 | ||
3359 | /* Sorts slave_balances so that enabled ports come first, and otherwise in | |
3360 | * *descending* order by number of bytes transmitted. */ | |
3361 | static int | |
3362 | compare_slave_balance(const void *a_, const void *b_) | |
3363 | { | |
3364 | const struct slave_balance *a = a_; | |
3365 | const struct slave_balance *b = b_; | |
3366 | if (a->iface->enabled != b->iface->enabled) { | |
3367 | return a->iface->enabled ? -1 : 1; | |
3368 | } else if (a->tx_bytes != b->tx_bytes) { | |
3369 | return a->tx_bytes > b->tx_bytes ? -1 : 1; | |
3370 | } else { | |
3371 | return 0; | |
3372 | } | |
3373 | } | |
3374 | ||
3375 | static void | |
3376 | swap_bals(struct slave_balance *a, struct slave_balance *b) | |
3377 | { | |
3378 | struct slave_balance tmp = *a; | |
3379 | *a = *b; | |
3380 | *b = tmp; | |
3381 | } | |
3382 | ||
3383 | /* Restores the 'n_bals' slave_balance structures in 'bals' to sorted order | |
3384 | * given that 'p' (and only 'p') might be in the wrong location. | |
3385 | * | |
3386 | * This function invalidates 'p', since it might now be in a different memory | |
3387 | * location. */ | |
3388 | static void | |
3389 | resort_bals(struct slave_balance *p, | |
3390 | struct slave_balance bals[], size_t n_bals) | |
3391 | { | |
3392 | if (n_bals > 1) { | |
3393 | for (; p > bals && p->tx_bytes > p[-1].tx_bytes; p--) { | |
3394 | swap_bals(p, p - 1); | |
3395 | } | |
3396 | for (; p < &bals[n_bals - 1] && p->tx_bytes < p[1].tx_bytes; p++) { | |
3397 | swap_bals(p, p + 1); | |
3398 | } | |
3399 | } | |
3400 | } | |
3401 | ||
3402 | static void | |
3403 | log_bals(const struct slave_balance *bals, size_t n_bals, struct port *port) | |
3404 | { | |
3405 | if (VLOG_IS_DBG_ENABLED()) { | |
3406 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3407 | const struct slave_balance *b; | |
3408 | ||
3409 | for (b = bals; b < bals + n_bals; b++) { | |
3410 | size_t i; | |
3411 | ||
3412 | if (b > bals) { | |
3413 | ds_put_char(&ds, ','); | |
3414 | } | |
3415 | ds_put_format(&ds, " %s %"PRIu64"kB", | |
3416 | b->iface->name, b->tx_bytes / 1024); | |
3417 | ||
3418 | if (!b->iface->enabled) { | |
3419 | ds_put_cstr(&ds, " (disabled)"); | |
3420 | } | |
3421 | if (b->n_hashes > 0) { | |
3422 | ds_put_cstr(&ds, " ("); | |
3423 | for (i = 0; i < b->n_hashes; i++) { | |
3424 | const struct bond_entry *e = b->hashes[i]; | |
3425 | if (i > 0) { | |
3426 | ds_put_cstr(&ds, " + "); | |
3427 | } | |
3428 | ds_put_format(&ds, "h%td: %"PRIu64"kB", | |
3429 | e - port->bond_hash, e->tx_bytes / 1024); | |
3430 | } | |
3431 | ds_put_cstr(&ds, ")"); | |
3432 | } | |
3433 | } | |
3434 | VLOG_DBG("bond %s:%s", port->name, ds_cstr(&ds)); | |
3435 | ds_destroy(&ds); | |
3436 | } | |
3437 | } | |
3438 | ||
3439 | /* Shifts 'hash' from 'from' to 'to' within 'port'. */ | |
3440 | static void | |
3441 | bond_shift_load(struct slave_balance *from, struct slave_balance *to, | |
5422a9e1 | 3442 | int hash_idx) |
064af421 | 3443 | { |
5422a9e1 | 3444 | struct bond_entry *hash = from->hashes[hash_idx]; |
064af421 BP |
3445 | struct port *port = from->iface->port; |
3446 | uint64_t delta = hash->tx_bytes; | |
3447 | ||
f48f70b7 | 3448 | assert(port->bond_mode != BM_AB); |
be02e7c3 | 3449 | |
064af421 BP |
3450 | VLOG_INFO("bond %s: shift %"PRIu64"kB of load (with hash %td) " |
3451 | "from %s to %s (now carrying %"PRIu64"kB and " | |
3452 | "%"PRIu64"kB load, respectively)", | |
3453 | port->name, delta / 1024, hash - port->bond_hash, | |
3454 | from->iface->name, to->iface->name, | |
3455 | (from->tx_bytes - delta) / 1024, | |
3456 | (to->tx_bytes + delta) / 1024); | |
3457 | ||
3458 | /* Delete element from from->hashes. | |
3459 | * | |
3460 | * We don't bother to add the element to to->hashes because not only would | |
3461 | * it require more work, the only purpose it would be to allow that hash to | |
3462 | * be migrated to another slave in this rebalancing run, and there is no | |
3463 | * point in doing that. */ | |
5422a9e1 | 3464 | if (hash_idx == 0) { |
064af421 BP |
3465 | from->hashes++; |
3466 | } else { | |
5422a9e1 JG |
3467 | memmove(from->hashes + hash_idx, from->hashes + hash_idx + 1, |
3468 | (from->n_hashes - (hash_idx + 1)) * sizeof *from->hashes); | |
064af421 BP |
3469 | } |
3470 | from->n_hashes--; | |
3471 | ||
3472 | /* Shift load away from 'from' to 'to'. */ | |
3473 | from->tx_bytes -= delta; | |
3474 | to->tx_bytes += delta; | |
3475 | ||
3476 | /* Arrange for flows to be revalidated. */ | |
3477 | ofproto_revalidate(port->bridge->ofproto, hash->iface_tag); | |
3478 | hash->iface_idx = to->iface->port_ifidx; | |
3479 | hash->iface_tag = tag_create_random(); | |
064af421 BP |
3480 | } |
3481 | ||
3482 | static void | |
3483 | bond_rebalance_port(struct port *port) | |
3484 | { | |
c47cd5f0 | 3485 | struct slave_balance *bals; |
064af421 BP |
3486 | size_t n_bals; |
3487 | struct bond_entry *hashes[BOND_MASK + 1]; | |
3488 | struct slave_balance *b, *from, *to; | |
3489 | struct bond_entry *e; | |
3490 | size_t i; | |
3491 | ||
9f5073d8 | 3492 | assert(port->bond_mode != BM_AB); |
be02e7c3 | 3493 | |
064af421 BP |
3494 | /* Sets up 'bals' to describe each of the port's interfaces, sorted in |
3495 | * descending order of tx_bytes, so that bals[0] represents the most | |
3496 | * heavily loaded slave and bals[n_bals - 1] represents the least heavily | |
3497 | * loaded slave. | |
3498 | * | |
3499 | * The code is a bit tricky: to avoid dynamically allocating a 'hashes' | |
3500 | * array for each slave_balance structure, we sort our local array of | |
3501 | * hashes in order by slave, so that all of the hashes for a given slave | |
3502 | * become contiguous in memory, and then we point each 'hashes' members of | |
3503 | * a slave_balance structure to the start of a contiguous group. */ | |
3504 | n_bals = port->n_ifaces; | |
c47cd5f0 | 3505 | bals = xmalloc(n_bals * sizeof *bals); |
064af421 BP |
3506 | for (b = bals; b < &bals[n_bals]; b++) { |
3507 | b->iface = port->ifaces[b - bals]; | |
3508 | b->tx_bytes = 0; | |
3509 | b->hashes = NULL; | |
3510 | b->n_hashes = 0; | |
3511 | } | |
3512 | for (i = 0; i <= BOND_MASK; i++) { | |
3513 | hashes[i] = &port->bond_hash[i]; | |
3514 | } | |
3515 | qsort(hashes, BOND_MASK + 1, sizeof *hashes, compare_bond_entries); | |
3516 | for (i = 0; i <= BOND_MASK; i++) { | |
3517 | e = hashes[i]; | |
3518 | if (e->iface_idx >= 0 && e->iface_idx < port->n_ifaces) { | |
3519 | b = &bals[e->iface_idx]; | |
3520 | b->tx_bytes += e->tx_bytes; | |
3521 | if (!b->hashes) { | |
3522 | b->hashes = &hashes[i]; | |
3523 | } | |
3524 | b->n_hashes++; | |
3525 | } | |
3526 | } | |
3527 | qsort(bals, n_bals, sizeof *bals, compare_slave_balance); | |
3528 | log_bals(bals, n_bals, port); | |
3529 | ||
3530 | /* Discard slaves that aren't enabled (which were sorted to the back of the | |
3531 | * array earlier). */ | |
3532 | while (!bals[n_bals - 1].iface->enabled) { | |
3533 | n_bals--; | |
3534 | if (!n_bals) { | |
c47cd5f0 | 3535 | goto exit; |
064af421 BP |
3536 | } |
3537 | } | |
3538 | ||
3539 | /* Shift load from the most-loaded slaves to the least-loaded slaves. */ | |
3540 | to = &bals[n_bals - 1]; | |
3541 | for (from = bals; from < to; ) { | |
3542 | uint64_t overload = from->tx_bytes - to->tx_bytes; | |
3543 | if (overload < to->tx_bytes >> 5 || overload < 100000) { | |
3544 | /* The extra load on 'from' (and all less-loaded slaves), compared | |
3545 | * to that of 'to' (the least-loaded slave), is less than ~3%, or | |
3546 | * it is less than ~1Mbps. No point in rebalancing. */ | |
3547 | break; | |
3548 | } else if (from->n_hashes == 1) { | |
3549 | /* 'from' only carries a single MAC hash, so we can't shift any | |
3550 | * load away from it, even though we want to. */ | |
3551 | from++; | |
3552 | } else { | |
3553 | /* 'from' is carrying significantly more load than 'to', and that | |
3554 | * load is split across at least two different hashes. Pick a hash | |
3555 | * to migrate to 'to' (the least-loaded slave), given that doing so | |
5422a9e1 JG |
3556 | * must decrease the ratio of the load on the two slaves by at |
3557 | * least 0.1. | |
064af421 BP |
3558 | * |
3559 | * The sort order we use means that we prefer to shift away the | |
3560 | * smallest hashes instead of the biggest ones. There is little | |
3561 | * reason behind this decision; we could use the opposite sort | |
3562 | * order to shift away big hashes ahead of small ones. */ | |
5422a9e1 | 3563 | bool order_swapped; |
064af421 BP |
3564 | |
3565 | for (i = 0; i < from->n_hashes; i++) { | |
5422a9e1 | 3566 | double old_ratio, new_ratio; |
064af421 | 3567 | uint64_t delta = from->hashes[i]->tx_bytes; |
5422a9e1 JG |
3568 | |
3569 | if (delta == 0 || from->tx_bytes - delta == 0) { | |
3570 | /* Pointless move. */ | |
3571 | continue; | |
3572 | } | |
3573 | ||
3574 | order_swapped = from->tx_bytes - delta < to->tx_bytes + delta; | |
3575 | ||
3576 | if (to->tx_bytes == 0) { | |
3577 | /* Nothing on the new slave, move it. */ | |
3578 | break; | |
3579 | } | |
3580 | ||
3581 | old_ratio = (double)from->tx_bytes / to->tx_bytes; | |
3582 | new_ratio = (double)(from->tx_bytes - delta) / | |
3583 | (to->tx_bytes + delta); | |
3584 | ||
3585 | if (new_ratio == 0) { | |
3586 | /* Should already be covered but check to prevent division | |
3587 | * by zero. */ | |
3588 | continue; | |
3589 | } | |
3590 | ||
3591 | if (new_ratio < 1) { | |
3592 | new_ratio = 1 / new_ratio; | |
3593 | } | |
3594 | ||
3595 | if (old_ratio - new_ratio > 0.1) { | |
3596 | /* Would decrease the ratio, move it. */ | |
064af421 BP |
3597 | break; |
3598 | } | |
3599 | } | |
3600 | if (i < from->n_hashes) { | |
5422a9e1 | 3601 | bond_shift_load(from, to, i); |
5422a9e1 JG |
3602 | |
3603 | /* If the result of the migration changed the relative order of | |
3604 | * 'from' and 'to' swap them back to maintain invariants. */ | |
3605 | if (order_swapped) { | |
3606 | swap_bals(from, to); | |
3607 | } | |
064af421 BP |
3608 | |
3609 | /* Re-sort 'bals'. Note that this may make 'from' and 'to' | |
3610 | * point to different slave_balance structures. It is only | |
3611 | * valid to do these two operations in a row at all because we | |
3612 | * know that 'from' will not move past 'to' and vice versa. */ | |
3613 | resort_bals(from, bals, n_bals); | |
3614 | resort_bals(to, bals, n_bals); | |
3615 | } else { | |
3616 | from++; | |
3617 | } | |
3618 | } | |
3619 | } | |
3620 | ||
3621 | /* Implement exponentially weighted moving average. A weight of 1/2 causes | |
3622 | * historical data to decay to <1% in 7 rebalancing runs. */ | |
3623 | for (e = &port->bond_hash[0]; e <= &port->bond_hash[BOND_MASK]; e++) { | |
3624 | e->tx_bytes /= 2; | |
3625 | } | |
c47cd5f0 BP |
3626 | |
3627 | exit: | |
3628 | free(bals); | |
064af421 | 3629 | } |
2303f3b2 BP |
3630 | |
3631 | static void | |
3632 | bond_send_learning_packets(struct port *port) | |
3633 | { | |
3634 | struct bridge *br = port->bridge; | |
3635 | struct mac_entry *e; | |
3636 | struct ofpbuf packet; | |
3637 | int error, n_packets, n_errors; | |
3638 | ||
9f5073d8 | 3639 | if (!port->n_ifaces || port->active_iface < 0 || bond_is_tcp_hash(port)) { |
2303f3b2 BP |
3640 | return; |
3641 | } | |
3642 | ||
3643 | ofpbuf_init(&packet, 128); | |
3644 | error = n_packets = n_errors = 0; | |
4e8e4213 | 3645 | LIST_FOR_EACH (e, lru_node, &br->ml->lrus) { |
2303f3b2 | 3646 | union ofp_action actions[2], *a; |
2303f3b2 BP |
3647 | uint16_t dp_ifidx; |
3648 | tag_type tags = 0; | |
ae412e7d | 3649 | struct flow flow; |
2303f3b2 BP |
3650 | int retval; |
3651 | ||
9f5073d8 EJ |
3652 | if (e->port == port->port_idx) { |
3653 | continue; | |
3654 | } | |
3655 | ||
3656 | compose_benign_packet(&packet, "Open vSwitch Bond Failover", 0xf177, | |
3657 | e->mac); | |
3658 | flow_extract(&packet, 0, ODPP_NONE, &flow); | |
3659 | ||
3660 | if (!choose_output_iface(port, &flow, e->vlan, &dp_ifidx, &tags)) { | |
2303f3b2 BP |
3661 | continue; |
3662 | } | |
3663 | ||
2303f3b2 BP |
3664 | /* Compose actions. */ |
3665 | memset(actions, 0, sizeof actions); | |
3666 | a = actions; | |
3667 | if (e->vlan) { | |
3668 | a->vlan_vid.type = htons(OFPAT_SET_VLAN_VID); | |
3669 | a->vlan_vid.len = htons(sizeof *a); | |
3670 | a->vlan_vid.vlan_vid = htons(e->vlan); | |
3671 | a++; | |
3672 | } | |
3673 | a->output.type = htons(OFPAT_OUTPUT); | |
3674 | a->output.len = htons(sizeof *a); | |
3675 | a->output.port = htons(odp_port_to_ofp_port(dp_ifidx)); | |
3676 | a++; | |
3677 | ||
3678 | /* Send packet. */ | |
3679 | n_packets++; | |
2303f3b2 BP |
3680 | retval = ofproto_send_packet(br->ofproto, &flow, actions, a - actions, |
3681 | &packet); | |
3682 | if (retval) { | |
3683 | error = retval; | |
3684 | n_errors++; | |
3685 | } | |
3686 | } | |
3687 | ofpbuf_uninit(&packet); | |
3688 | ||
3689 | if (n_errors) { | |
3690 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
3691 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
3692 | "packets, last error was: %s", | |
3693 | port->name, n_errors, n_packets, strerror(error)); | |
3694 | } else { | |
3695 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
3696 | port->name, n_packets); | |
3697 | } | |
3698 | } | |
064af421 | 3699 | \f |
da285df4 BP |
3700 | /* Bonding unixctl user interface functions. */ |
3701 | ||
3702 | static void | |
8ca79daa | 3703 | bond_unixctl_list(struct unixctl_conn *conn, |
c69ee87c | 3704 | const char *args OVS_UNUSED, void *aux OVS_UNUSED) |
da285df4 BP |
3705 | { |
3706 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3707 | const struct bridge *br; | |
3708 | ||
be02e7c3 | 3709 | ds_put_cstr(&ds, "bridge\tbond\ttype\tslaves\n"); |
da285df4 | 3710 | |
4e8e4213 | 3711 | LIST_FOR_EACH (br, node, &all_bridges) { |
da285df4 BP |
3712 | size_t i; |
3713 | ||
3714 | for (i = 0; i < br->n_ports; i++) { | |
3715 | const struct port *port = br->ports[i]; | |
3716 | if (port->n_ifaces > 1) { | |
3717 | size_t j; | |
3718 | ||
be02e7c3 | 3719 | ds_put_format(&ds, "%s\t%s\t%s\t", br->name, port->name, |
27dcaa1a | 3720 | bond_mode_to_string(port->bond_mode)); |
da285df4 BP |
3721 | for (j = 0; j < port->n_ifaces; j++) { |
3722 | const struct iface *iface = port->ifaces[j]; | |
3723 | if (j) { | |
3724 | ds_put_cstr(&ds, ", "); | |
3725 | } | |
3726 | ds_put_cstr(&ds, iface->name); | |
3727 | } | |
3728 | ds_put_char(&ds, '\n'); | |
3729 | } | |
3730 | } | |
3731 | } | |
3732 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
3733 | ds_destroy(&ds); | |
3734 | } | |
3735 | ||
3736 | static struct port * | |
3737 | bond_find(const char *name) | |
3738 | { | |
3739 | const struct bridge *br; | |
3740 | ||
4e8e4213 | 3741 | LIST_FOR_EACH (br, node, &all_bridges) { |
da285df4 BP |
3742 | size_t i; |
3743 | ||
3744 | for (i = 0; i < br->n_ports; i++) { | |
3745 | struct port *port = br->ports[i]; | |
3746 | if (!strcmp(port->name, name) && port->n_ifaces > 1) { | |
3747 | return port; | |
3748 | } | |
3749 | } | |
3750 | } | |
3751 | return NULL; | |
3752 | } | |
3753 | ||
c25c91fd EJ |
3754 | static void |
3755 | ds_put_lacp_state(struct ds *ds, uint8_t state) | |
3756 | { | |
3757 | if (state & LACP_STATE_ACT) { | |
3758 | ds_put_cstr(ds, "activity "); | |
3759 | } | |
3760 | ||
3761 | if (state & LACP_STATE_TIME) { | |
3762 | ds_put_cstr(ds, "timeout "); | |
3763 | } | |
3764 | ||
3765 | if (state & LACP_STATE_AGG) { | |
3766 | ds_put_cstr(ds, "aggregation "); | |
3767 | } | |
3768 | ||
3769 | if (state & LACP_STATE_SYNC) { | |
3770 | ds_put_cstr(ds, "synchronized "); | |
3771 | } | |
3772 | ||
3773 | if (state & LACP_STATE_COL) { | |
3774 | ds_put_cstr(ds, "collecting "); | |
3775 | } | |
3776 | ||
3777 | if (state & LACP_STATE_DIST) { | |
3778 | ds_put_cstr(ds, "distributing "); | |
3779 | } | |
3780 | ||
3781 | if (state & LACP_STATE_DEF) { | |
3782 | ds_put_cstr(ds, "defaulted "); | |
3783 | } | |
3784 | ||
3785 | if (state & LACP_STATE_EXP) { | |
3786 | ds_put_cstr(ds, "expired "); | |
3787 | } | |
3788 | } | |
3789 | ||
da285df4 | 3790 | static void |
8ca79daa | 3791 | bond_unixctl_show(struct unixctl_conn *conn, |
c69ee87c | 3792 | const char *args, void *aux OVS_UNUSED) |
da285df4 BP |
3793 | { |
3794 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3795 | const struct port *port; | |
3796 | size_t j; | |
3797 | ||
3798 | port = bond_find(args); | |
3799 | if (!port) { | |
3800 | unixctl_command_reply(conn, 501, "no such bond"); | |
3801 | return; | |
3802 | } | |
3803 | ||
27dcaa1a EJ |
3804 | ds_put_format(&ds, "bond_mode: %s\n", |
3805 | bond_mode_to_string(port->bond_mode)); | |
c25c91fd EJ |
3806 | |
3807 | if (port->lacp) { | |
846f1be5 | 3808 | ds_put_format(&ds, "lacp: %s\n", |
c25c91fd EJ |
3809 | port->lacp & LACP_ACTIVE ? "active" : "passive"); |
3810 | } else { | |
846f1be5 | 3811 | ds_put_cstr(&ds, "lacp: off\n"); |
c25c91fd EJ |
3812 | } |
3813 | ||
9f5073d8 EJ |
3814 | if (port->bond_mode != BM_AB) { |
3815 | ds_put_format(&ds, "bond-hash-algorithm: %s\n", | |
3816 | bond_is_tcp_hash(port) ? "balance-tcp" : "balance-slb"); | |
3817 | } | |
3818 | ||
3819 | ||
63331829 | 3820 | ds_put_format(&ds, "bond-detect-mode: %s\n", |
e5ed989d | 3821 | port->monitor ? "carrier" : "miimon"); |
b42c5c24 | 3822 | |
e5ed989d | 3823 | if (!port->monitor) { |
b42c5c24 | 3824 | ds_put_format(&ds, "bond-miimon-interval: %lld\n", |
e5ed989d | 3825 | port->miimon_interval); |
b42c5c24 EJ |
3826 | } |
3827 | ||
da285df4 BP |
3828 | ds_put_format(&ds, "updelay: %d ms\n", port->updelay); |
3829 | ds_put_format(&ds, "downdelay: %d ms\n", port->downdelay); | |
be02e7c3 | 3830 | |
9f5073d8 | 3831 | if (port->bond_mode != BM_AB) { |
be02e7c3 EJ |
3832 | ds_put_format(&ds, "next rebalance: %lld ms\n", |
3833 | port->bond_next_rebalance - time_msec()); | |
3834 | } | |
3835 | ||
da285df4 BP |
3836 | for (j = 0; j < port->n_ifaces; j++) { |
3837 | const struct iface *iface = port->ifaces[j]; | |
3838 | struct bond_entry *be; | |
9f5073d8 | 3839 | struct flow flow; |
da285df4 BP |
3840 | |
3841 | /* Basic info. */ | |
846f1be5 | 3842 | ds_put_format(&ds, "\nslave %s: %s\n", |
da285df4 BP |
3843 | iface->name, iface->enabled ? "enabled" : "disabled"); |
3844 | if (j == port->active_iface) { | |
3845 | ds_put_cstr(&ds, "\tactive slave\n"); | |
3846 | } | |
3847 | if (iface->delay_expires != LLONG_MAX) { | |
3848 | ds_put_format(&ds, "\t%s expires in %lld ms\n", | |
3849 | iface->enabled ? "downdelay" : "updelay", | |
3850 | iface->delay_expires - time_msec()); | |
3851 | } | |
3852 | ||
c25c91fd EJ |
3853 | if (port->lacp) { |
3854 | ds_put_cstr(&ds, "\tstatus: "); | |
3855 | ||
cd482758 | 3856 | if (iface->lacp_status & LACP_CURRENT) { |
c25c91fd | 3857 | ds_put_cstr(&ds, "current "); |
cd482758 EJ |
3858 | } |
3859 | ||
3860 | if (iface->lacp_status & LACP_EXPIRED) { | |
c25c91fd | 3861 | ds_put_cstr(&ds, "expired "); |
cd482758 EJ |
3862 | } |
3863 | ||
3864 | if (iface->lacp_status & LACP_DEFAULTED) { | |
c25c91fd EJ |
3865 | ds_put_cstr(&ds, "defaulted "); |
3866 | } | |
3867 | ||
cd482758 | 3868 | if (iface->lacp_status & LACP_ATTACHED) { |
c25c91fd EJ |
3869 | ds_put_cstr(&ds, "attached "); |
3870 | } | |
3871 | ||
3872 | ds_put_cstr(&ds, "\n"); | |
3873 | ||
b0ce40ee | 3874 | ds_put_cstr(&ds, "\n\tactor sys_id: "); |
c25c91fd | 3875 | ds_put_format(&ds, ETH_ADDR_FMT, |
b0ce40ee | 3876 | ETH_ADDR_ARGS(iface->lacp_actor.sys_id)); |
c25c91fd EJ |
3877 | ds_put_cstr(&ds, "\n"); |
3878 | ||
3879 | ds_put_format(&ds, "\tactor sys_priority: %u\n", | |
3880 | ntohs(iface->lacp_actor.sys_priority)); | |
3881 | ||
b0ce40ee EJ |
3882 | ds_put_format(&ds, "\tactor port_id: %u\n", |
3883 | ntohs(iface->lacp_actor.port_id)); | |
c25c91fd EJ |
3884 | |
3885 | ds_put_format(&ds, "\tactor port_priority: %u\n", | |
3886 | ntohs(iface->lacp_actor.port_priority)); | |
3887 | ||
3888 | ds_put_format(&ds, "\tactor key: %u\n", | |
3889 | ntohs(iface->lacp_actor.key)); | |
3890 | ||
3891 | ds_put_cstr(&ds, "\tactor state: "); | |
3892 | ds_put_lacp_state(&ds, iface_get_lacp_state(iface)); | |
3893 | ds_put_cstr(&ds, "\n\n"); | |
3894 | ||
b0ce40ee | 3895 | ds_put_cstr(&ds, "\tpartner sys_id: "); |
c25c91fd | 3896 | ds_put_format(&ds, ETH_ADDR_FMT, |
b0ce40ee | 3897 | ETH_ADDR_ARGS(iface->lacp_partner.sys_id)); |
c25c91fd EJ |
3898 | ds_put_cstr(&ds, "\n"); |
3899 | ||
3900 | ds_put_format(&ds, "\tpartner sys_priority: %u\n", | |
3901 | ntohs(iface->lacp_partner.sys_priority)); | |
3902 | ||
b0ce40ee EJ |
3903 | ds_put_format(&ds, "\tpartner port_id: %u\n", |
3904 | ntohs(iface->lacp_partner.port_id)); | |
c25c91fd EJ |
3905 | |
3906 | ds_put_format(&ds, "\tpartner port_priority: %u\n", | |
3907 | ntohs(iface->lacp_partner.port_priority)); | |
3908 | ||
3909 | ds_put_format(&ds, "\tpartner key: %u\n", | |
3910 | ntohs(iface->lacp_partner.key)); | |
3911 | ||
3912 | ds_put_cstr(&ds, "\tpartner state: "); | |
3913 | ds_put_lacp_state(&ds, iface->lacp_partner.state); | |
846f1be5 | 3914 | ds_put_cstr(&ds, "\n"); |
c25c91fd EJ |
3915 | } |
3916 | ||
9f5073d8 | 3917 | if (port->bond_mode == BM_AB) { |
be02e7c3 EJ |
3918 | continue; |
3919 | } | |
3920 | ||
da285df4 | 3921 | /* Hashes. */ |
9f5073d8 | 3922 | memset(&flow, 0, sizeof flow); |
da285df4 BP |
3923 | for (be = port->bond_hash; be <= &port->bond_hash[BOND_MASK]; be++) { |
3924 | int hash = be - port->bond_hash; | |
3925 | struct mac_entry *me; | |
3926 | ||
3927 | if (be->iface_idx != j) { | |
3928 | continue; | |
3929 | } | |
3930 | ||
2886875a | 3931 | ds_put_format(&ds, "\thash %d: %"PRIu64" kB load\n", |
da285df4 BP |
3932 | hash, be->tx_bytes / 1024); |
3933 | ||
9f5073d8 EJ |
3934 | if (port->bond_mode != BM_SLB) { |
3935 | continue; | |
3936 | } | |
3937 | ||
da285df4 | 3938 | /* MACs. */ |
4e8e4213 | 3939 | LIST_FOR_EACH (me, lru_node, &port->bridge->ml->lrus) { |
da285df4 BP |
3940 | uint16_t dp_ifidx; |
3941 | tag_type tags = 0; | |
9f5073d8 EJ |
3942 | |
3943 | memcpy(flow.dl_src, me->mac, ETH_ADDR_LEN); | |
3944 | if (bond_hash_src(me->mac, me->vlan) == hash | |
da285df4 | 3945 | && me->port != port->port_idx |
9f5073d8 | 3946 | && choose_output_iface(port, &flow, me->vlan, |
e58de0e3 | 3947 | &dp_ifidx, &tags) |
da285df4 BP |
3948 | && dp_ifidx == iface->dp_ifidx) |
3949 | { | |
3950 | ds_put_format(&ds, "\t\t"ETH_ADDR_FMT"\n", | |
3951 | ETH_ADDR_ARGS(me->mac)); | |
3952 | } | |
3953 | } | |
3954 | } | |
3955 | } | |
3956 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
3957 | ds_destroy(&ds); | |
3958 | } | |
3959 | ||
3960 | static void | |
8ca79daa | 3961 | bond_unixctl_migrate(struct unixctl_conn *conn, const char *args_, |
c69ee87c | 3962 | void *aux OVS_UNUSED) |
da285df4 BP |
3963 | { |
3964 | char *args = (char *) args_; | |
3965 | char *save_ptr = NULL; | |
3966 | char *bond_s, *hash_s, *slave_s; | |
da285df4 BP |
3967 | struct port *port; |
3968 | struct iface *iface; | |
3969 | struct bond_entry *entry; | |
3970 | int hash; | |
3971 | ||
3972 | bond_s = strtok_r(args, " ", &save_ptr); | |
3973 | hash_s = strtok_r(NULL, " ", &save_ptr); | |
3974 | slave_s = strtok_r(NULL, " ", &save_ptr); | |
3975 | if (!slave_s) { | |
3976 | unixctl_command_reply(conn, 501, | |
3977 | "usage: bond/migrate BOND HASH SLAVE"); | |
3978 | return; | |
3979 | } | |
3980 | ||
3981 | port = bond_find(bond_s); | |
3982 | if (!port) { | |
3983 | unixctl_command_reply(conn, 501, "no such bond"); | |
3984 | return; | |
3985 | } | |
3986 | ||
27dcaa1a | 3987 | if (port->bond_mode != BM_SLB) { |
be02e7c3 EJ |
3988 | unixctl_command_reply(conn, 501, "not an SLB bond"); |
3989 | return; | |
3990 | } | |
3991 | ||
557c178b | 3992 | if (strspn(hash_s, "0123456789") == strlen(hash_s)) { |
da285df4 BP |
3993 | hash = atoi(hash_s) & BOND_MASK; |
3994 | } else { | |
3995 | unixctl_command_reply(conn, 501, "bad hash"); | |
3996 | return; | |
3997 | } | |
3998 | ||
3999 | iface = port_lookup_iface(port, slave_s); | |
4000 | if (!iface) { | |
4001 | unixctl_command_reply(conn, 501, "no such slave"); | |
4002 | return; | |
4003 | } | |
4004 | ||
4005 | if (!iface->enabled) { | |
4006 | unixctl_command_reply(conn, 501, "cannot migrate to disabled slave"); | |
4007 | return; | |
4008 | } | |
4009 | ||
4010 | entry = &port->bond_hash[hash]; | |
4011 | ofproto_revalidate(port->bridge->ofproto, entry->iface_tag); | |
4012 | entry->iface_idx = iface->port_ifidx; | |
4013 | entry->iface_tag = tag_create_random(); | |
4014 | unixctl_command_reply(conn, 200, "migrated"); | |
4015 | } | |
4016 | ||
4017 | static void | |
8ca79daa | 4018 | bond_unixctl_set_active_slave(struct unixctl_conn *conn, const char *args_, |
c69ee87c | 4019 | void *aux OVS_UNUSED) |
da285df4 BP |
4020 | { |
4021 | char *args = (char *) args_; | |
4022 | char *save_ptr = NULL; | |
4023 | char *bond_s, *slave_s; | |
4024 | struct port *port; | |
4025 | struct iface *iface; | |
4026 | ||
4027 | bond_s = strtok_r(args, " ", &save_ptr); | |
4028 | slave_s = strtok_r(NULL, " ", &save_ptr); | |
4029 | if (!slave_s) { | |
4030 | unixctl_command_reply(conn, 501, | |
4031 | "usage: bond/set-active-slave BOND SLAVE"); | |
4032 | return; | |
4033 | } | |
4034 | ||
4035 | port = bond_find(bond_s); | |
4036 | if (!port) { | |
4037 | unixctl_command_reply(conn, 501, "no such bond"); | |
4038 | return; | |
4039 | } | |
4040 | ||
4041 | iface = port_lookup_iface(port, slave_s); | |
4042 | if (!iface) { | |
4043 | unixctl_command_reply(conn, 501, "no such slave"); | |
4044 | return; | |
4045 | } | |
4046 | ||
4047 | if (!iface->enabled) { | |
4048 | unixctl_command_reply(conn, 501, "cannot make disabled slave active"); | |
4049 | return; | |
4050 | } | |
4051 | ||
4052 | if (port->active_iface != iface->port_ifidx) { | |
4053 | ofproto_revalidate(port->bridge->ofproto, port->active_iface_tag); | |
4054 | port->active_iface = iface->port_ifidx; | |
4055 | port->active_iface_tag = tag_create_random(); | |
4056 | VLOG_INFO("port %s: active interface is now %s", | |
4057 | port->name, iface->name); | |
4058 | bond_send_learning_packets(port); | |
4059 | unixctl_command_reply(conn, 200, "done"); | |
4060 | } else { | |
4061 | unixctl_command_reply(conn, 200, "no change"); | |
4062 | } | |
4063 | } | |
4064 | ||
4065 | static void | |
4066 | enable_slave(struct unixctl_conn *conn, const char *args_, bool enable) | |
4067 | { | |
4068 | char *args = (char *) args_; | |
4069 | char *save_ptr = NULL; | |
4070 | char *bond_s, *slave_s; | |
4071 | struct port *port; | |
4072 | struct iface *iface; | |
4073 | ||
4074 | bond_s = strtok_r(args, " ", &save_ptr); | |
4075 | slave_s = strtok_r(NULL, " ", &save_ptr); | |
4076 | if (!slave_s) { | |
4077 | unixctl_command_reply(conn, 501, | |
4078 | "usage: bond/enable/disable-slave BOND SLAVE"); | |
4079 | return; | |
4080 | } | |
4081 | ||
4082 | port = bond_find(bond_s); | |
4083 | if (!port) { | |
4084 | unixctl_command_reply(conn, 501, "no such bond"); | |
4085 | return; | |
4086 | } | |
4087 | ||
4088 | iface = port_lookup_iface(port, slave_s); | |
4089 | if (!iface) { | |
4090 | unixctl_command_reply(conn, 501, "no such slave"); | |
4091 | return; | |
4092 | } | |
4093 | ||
4094 | bond_enable_slave(iface, enable); | |
4095 | unixctl_command_reply(conn, 501, enable ? "enabled" : "disabled"); | |
4096 | } | |
4097 | ||
4098 | static void | |
8ca79daa | 4099 | bond_unixctl_enable_slave(struct unixctl_conn *conn, const char *args, |
c69ee87c | 4100 | void *aux OVS_UNUSED) |
da285df4 BP |
4101 | { |
4102 | enable_slave(conn, args, true); | |
4103 | } | |
4104 | ||
4105 | static void | |
8ca79daa | 4106 | bond_unixctl_disable_slave(struct unixctl_conn *conn, const char *args, |
c69ee87c | 4107 | void *aux OVS_UNUSED) |
da285df4 BP |
4108 | { |
4109 | enable_slave(conn, args, false); | |
4110 | } | |
4111 | ||
e0644b61 | 4112 | static void |
e58de0e3 | 4113 | bond_unixctl_hash(struct unixctl_conn *conn, const char *args_, |
c69ee87c | 4114 | void *aux OVS_UNUSED) |
e0644b61 | 4115 | { |
e58de0e3 | 4116 | char *args = (char *) args_; |
a27598cd EJ |
4117 | uint8_t mac[ETH_ADDR_LEN]; |
4118 | uint8_t hash; | |
4119 | char *hash_cstr; | |
e58de0e3 EJ |
4120 | unsigned int vlan; |
4121 | char *mac_s, *vlan_s; | |
4122 | char *save_ptr = NULL; | |
4123 | ||
4124 | mac_s = strtok_r(args, " ", &save_ptr); | |
4125 | vlan_s = strtok_r(NULL, " ", &save_ptr); | |
4126 | ||
4127 | if (vlan_s) { | |
4128 | if (sscanf(vlan_s, "%u", &vlan) != 1) { | |
4129 | unixctl_command_reply(conn, 501, "invalid vlan"); | |
4130 | return; | |
4131 | } | |
4132 | } else { | |
4133 | vlan = OFP_VLAN_NONE; | |
4134 | } | |
a27598cd | 4135 | |
e58de0e3 | 4136 | if (sscanf(mac_s, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac)) |
a27598cd | 4137 | == ETH_ADDR_SCAN_COUNT) { |
9f5073d8 | 4138 | hash = bond_hash_src(mac, vlan); |
a27598cd EJ |
4139 | |
4140 | hash_cstr = xasprintf("%u", hash); | |
4141 | unixctl_command_reply(conn, 200, hash_cstr); | |
4142 | free(hash_cstr); | |
4143 | } else { | |
4144 | unixctl_command_reply(conn, 501, "invalid mac"); | |
4145 | } | |
e0644b61 IC |
4146 | } |
4147 | ||
da285df4 BP |
4148 | static void |
4149 | bond_init(void) | |
4150 | { | |
8ca79daa BP |
4151 | unixctl_command_register("bond/list", bond_unixctl_list, NULL); |
4152 | unixctl_command_register("bond/show", bond_unixctl_show, NULL); | |
4153 | unixctl_command_register("bond/migrate", bond_unixctl_migrate, NULL); | |
da285df4 | 4154 | unixctl_command_register("bond/set-active-slave", |
8ca79daa BP |
4155 | bond_unixctl_set_active_slave, NULL); |
4156 | unixctl_command_register("bond/enable-slave", bond_unixctl_enable_slave, | |
4157 | NULL); | |
4158 | unixctl_command_register("bond/disable-slave", bond_unixctl_disable_slave, | |
4159 | NULL); | |
4160 | unixctl_command_register("bond/hash", bond_unixctl_hash, NULL); | |
da285df4 BP |
4161 | } |
4162 | \f | |
064af421 BP |
4163 | /* Port functions. */ |
4164 | ||
21dcb94f EJ |
4165 | static void |
4166 | port_run(struct port *port) | |
4167 | { | |
4168 | size_t i; | |
4169 | ||
e5ed989d EJ |
4170 | if (port->monitor) { |
4171 | char *devname; | |
4172 | ||
4173 | /* Track carrier going up and down on interfaces. */ | |
4174 | while (!netdev_monitor_poll(port->monitor, &devname)) { | |
4175 | struct iface *iface; | |
4176 | ||
4177 | iface = port_lookup_iface(port, devname); | |
4178 | if (iface) { | |
4179 | iface_update_carrier(iface, netdev_get_carrier(iface->netdev)); | |
4180 | } | |
4181 | free(devname); | |
4182 | } | |
4183 | } else if (time_msec() >= port->miimon_next_update) { | |
4184 | ||
4185 | for (i = 0; i < port->n_ifaces; i++) { | |
4186 | struct iface *iface = port->ifaces[i]; | |
4187 | iface_update_carrier(iface, netdev_get_miimon(iface->netdev)); | |
4188 | } | |
4189 | port->miimon_next_update = time_msec() + port->miimon_interval; | |
4190 | } | |
4191 | ||
21dcb94f EJ |
4192 | lacp_run(port); |
4193 | bond_run(port); | |
4194 | ||
4195 | for (i = 0; i < port->n_ifaces; i++) { | |
4196 | struct iface *iface = port->ifaces[i]; | |
4197 | ||
4198 | if (iface->cfm) { | |
4199 | struct ofpbuf *packet = cfm_run(iface->cfm); | |
4200 | if (packet) { | |
4201 | iface_send_packet(iface, packet); | |
4202 | ofpbuf_uninit(packet); | |
4203 | free(packet); | |
4204 | } | |
4205 | } | |
4206 | } | |
4207 | } | |
4208 | ||
4209 | static void | |
4210 | port_wait(struct port *port) | |
4211 | { | |
4212 | size_t i; | |
4213 | ||
e5ed989d EJ |
4214 | if (port->monitor) { |
4215 | netdev_monitor_poll_wait(port->monitor); | |
4216 | } else { | |
4217 | poll_timer_wait_until(port->miimon_next_update); | |
4218 | } | |
4219 | ||
21dcb94f EJ |
4220 | lacp_wait(port); |
4221 | bond_wait(port); | |
4222 | ||
4223 | for (i = 0; i < port->n_ifaces; i++) { | |
4224 | struct iface *iface = port->ifaces[i]; | |
4225 | if (iface->cfm) { | |
4226 | cfm_wait(iface->cfm); | |
4227 | } | |
4228 | } | |
4229 | } | |
4230 | ||
76343538 | 4231 | static struct port * |
064af421 BP |
4232 | port_create(struct bridge *br, const char *name) |
4233 | { | |
4234 | struct port *port; | |
4235 | ||
ec6fde61 | 4236 | port = xzalloc(sizeof *port); |
064af421 BP |
4237 | port->bridge = br; |
4238 | port->port_idx = br->n_ports; | |
4239 | port->vlan = -1; | |
4240 | port->trunks = NULL; | |
4241 | port->name = xstrdup(name); | |
4242 | port->active_iface = -1; | |
064af421 BP |
4243 | |
4244 | if (br->n_ports >= br->allocated_ports) { | |
4245 | br->ports = x2nrealloc(br->ports, &br->allocated_ports, | |
4246 | sizeof *br->ports); | |
4247 | } | |
4248 | br->ports[br->n_ports++] = port; | |
836fad5e | 4249 | shash_add_assert(&br->port_by_name, port->name, port); |
064af421 BP |
4250 | |
4251 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); | |
4252 | bridge_flush(br); | |
76343538 BP |
4253 | |
4254 | return port; | |
064af421 BP |
4255 | } |
4256 | ||
c8143c88 BP |
4257 | static const char * |
4258 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
4259 | const char *default_value) | |
4260 | { | |
af6278e1 BP |
4261 | const char *value; |
4262 | ||
4263 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, | |
4264 | key); | |
c8143c88 BP |
4265 | return value ? value : default_value; |
4266 | } | |
4267 | ||
c25c91fd EJ |
4268 | static const char * |
4269 | get_interface_other_config(const struct ovsrec_interface *iface, | |
4270 | const char *key, const char *default_value) | |
4271 | { | |
4272 | const char *value; | |
4273 | ||
4274 | value = get_ovsrec_key_value(&iface->header_, | |
4275 | &ovsrec_interface_col_other_config, key); | |
4276 | return value ? value : default_value; | |
4277 | } | |
4278 | ||
4a1ee6ae BP |
4279 | static void |
4280 | port_del_ifaces(struct port *port, const struct ovsrec_port *cfg) | |
4281 | { | |
4282 | struct shash new_ifaces; | |
4283 | size_t i; | |
4284 | ||
4285 | /* Collect list of new interfaces. */ | |
4286 | shash_init(&new_ifaces); | |
4287 | for (i = 0; i < cfg->n_interfaces; i++) { | |
4288 | const char *name = cfg->interfaces[i]->name; | |
4289 | shash_add_once(&new_ifaces, name, NULL); | |
4290 | } | |
4291 | ||
4292 | /* Get rid of deleted interfaces. */ | |
4293 | for (i = 0; i < port->n_ifaces; ) { | |
4294 | if (!shash_find(&new_ifaces, cfg->interfaces[i]->name)) { | |
4295 | iface_destroy(port->ifaces[i]); | |
4296 | } else { | |
4297 | i++; | |
4298 | } | |
4299 | } | |
4300 | ||
4301 | shash_destroy(&new_ifaces); | |
4302 | } | |
4303 | ||
064af421 | 4304 | static void |
76343538 | 4305 | port_reconfigure(struct port *port, const struct ovsrec_port *cfg) |
064af421 | 4306 | { |
63331829 | 4307 | const char *detect_mode; |
4a1ee6ae | 4308 | struct shash new_ifaces; |
c25c91fd | 4309 | long long int next_rebalance, miimon_next_update, lacp_priority; |
064af421 BP |
4310 | unsigned long *trunks; |
4311 | int vlan; | |
4312 | size_t i; | |
4313 | ||
76343538 BP |
4314 | port->cfg = cfg; |
4315 | ||
4a1ee6ae | 4316 | /* Update settings. */ |
76343538 BP |
4317 | port->updelay = cfg->bond_updelay; |
4318 | if (port->updelay < 0) { | |
4319 | port->updelay = 0; | |
4320 | } | |
7ef6b685 | 4321 | port->downdelay = cfg->bond_downdelay; |
76343538 BP |
4322 | if (port->downdelay < 0) { |
4323 | port->downdelay = 0; | |
064af421 | 4324 | } |
c8143c88 BP |
4325 | port->bond_rebalance_interval = atoi( |
4326 | get_port_other_config(cfg, "bond-rebalance-interval", "10000")); | |
4327 | if (port->bond_rebalance_interval < 1000) { | |
4328 | port->bond_rebalance_interval = 1000; | |
4329 | } | |
4330 | next_rebalance = time_msec() + port->bond_rebalance_interval; | |
4331 | if (port->bond_next_rebalance > next_rebalance) { | |
4332 | port->bond_next_rebalance = next_rebalance; | |
4333 | } | |
064af421 | 4334 | |
63331829 EJ |
4335 | detect_mode = get_port_other_config(cfg, "bond-detect-mode", |
4336 | "carrier"); | |
4337 | ||
e5ed989d EJ |
4338 | netdev_monitor_destroy(port->monitor); |
4339 | port->monitor = NULL; | |
4340 | ||
4341 | if (strcmp(detect_mode, "miimon")) { | |
4342 | port->monitor = netdev_monitor_create(); | |
4343 | ||
4344 | if (strcmp(detect_mode, "carrier")) { | |
4345 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
4346 | "defaulting to carrier", port->name, detect_mode); | |
4347 | } | |
63331829 EJ |
4348 | } |
4349 | ||
e5ed989d | 4350 | port->miimon_interval = atoi( |
63331829 | 4351 | get_port_other_config(cfg, "bond-miimon-interval", "200")); |
e5ed989d EJ |
4352 | if (port->miimon_interval < 100) { |
4353 | port->miimon_interval = 100; | |
63331829 | 4354 | } |
e5ed989d EJ |
4355 | miimon_next_update = time_msec() + port->miimon_interval; |
4356 | if (port->miimon_next_update > miimon_next_update) { | |
4357 | port->miimon_next_update = miimon_next_update; | |
63331829 EJ |
4358 | } |
4359 | ||
27dcaa1a EJ |
4360 | if (!port->cfg->bond_mode || |
4361 | !strcmp(port->cfg->bond_mode, bond_mode_to_string(BM_SLB))) { | |
4362 | port->bond_mode = BM_SLB; | |
4363 | } else if (!strcmp(port->cfg->bond_mode, bond_mode_to_string(BM_AB))) { | |
4364 | port->bond_mode = BM_AB; | |
9f5073d8 EJ |
4365 | } else if (!strcmp(port->cfg->bond_mode, bond_mode_to_string(BM_TCP))) { |
4366 | port->bond_mode = BM_TCP; | |
be02e7c3 | 4367 | } else { |
27dcaa1a EJ |
4368 | port->bond_mode = BM_SLB; |
4369 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", | |
4370 | port->name, port->cfg->bond_mode, | |
4371 | bond_mode_to_string(port->bond_mode)); | |
be02e7c3 EJ |
4372 | } |
4373 | ||
4a1ee6ae BP |
4374 | /* Add new interfaces and update 'cfg' member of existing ones. */ |
4375 | shash_init(&new_ifaces); | |
4376 | for (i = 0; i < cfg->n_interfaces; i++) { | |
4377 | const struct ovsrec_interface *if_cfg = cfg->interfaces[i]; | |
76343538 BP |
4378 | struct iface *iface; |
4379 | ||
4a1ee6ae BP |
4380 | if (!shash_add_once(&new_ifaces, if_cfg->name, NULL)) { |
4381 | VLOG_WARN("port %s: %s specified twice as port interface", | |
4382 | port->name, if_cfg->name); | |
bcd49a45 | 4383 | iface_set_ofport(if_cfg, -1); |
4a1ee6ae BP |
4384 | continue; |
4385 | } | |
4386 | ||
4387 | iface = iface_lookup(port->bridge, if_cfg->name); | |
4388 | if (iface) { | |
4389 | if (iface->port != port) { | |
4390 | VLOG_ERR("bridge %s: %s interface is on multiple ports, " | |
4391 | "removing from %s", | |
4392 | port->bridge->name, if_cfg->name, iface->port->name); | |
4393 | continue; | |
4394 | } | |
149f577a | 4395 | iface->cfg = if_cfg; |
4a1ee6ae | 4396 | } else { |
6cefe1da | 4397 | iface = iface_create(port, if_cfg); |
064af421 | 4398 | } |
6cefe1da BP |
4399 | |
4400 | /* Determine interface type. The local port always has type | |
4401 | * "internal". Other ports take their type from the database and | |
4402 | * default to "system" if none is specified. */ | |
4403 | iface->type = (!strcmp(if_cfg->name, port->bridge->name) ? "internal" | |
4404 | : if_cfg->type[0] ? if_cfg->type | |
4405 | : "system"); | |
c25c91fd EJ |
4406 | |
4407 | lacp_priority = | |
4408 | atoi(get_interface_other_config(if_cfg, "lacp-port-priority", | |
4409 | "0")); | |
4410 | ||
4411 | if (lacp_priority <= 0 || lacp_priority > UINT16_MAX) { | |
4412 | iface->lacp_priority = UINT16_MAX; | |
4413 | } else { | |
4414 | iface->lacp_priority = lacp_priority; | |
4415 | } | |
064af421 | 4416 | } |
4a1ee6ae | 4417 | shash_destroy(&new_ifaces); |
064af421 | 4418 | |
c25c91fd EJ |
4419 | lacp_priority = |
4420 | atoi(get_port_other_config(cfg, "lacp-system-priority", "0")); | |
4421 | ||
4422 | if (lacp_priority <= 0 || lacp_priority > UINT16_MAX) { | |
4423 | /* Prefer bondable links if unspecified. */ | |
4424 | port->lacp_priority = port->n_ifaces > 1 ? UINT16_MAX - 1 : UINT16_MAX; | |
4425 | } else { | |
4426 | port->lacp_priority = lacp_priority; | |
4427 | } | |
4428 | ||
4429 | if (!port->cfg->lacp) { | |
4430 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
4431 | * default and make active on bonded ports. */ | |
4432 | port->lacp = 0; | |
4433 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
4434 | port->lacp = 0; | |
4435 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
4436 | port->lacp = LACP_ACTIVE; | |
4437 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
4438 | port->lacp = LACP_PASSIVE; | |
4439 | } else { | |
4440 | VLOG_WARN("port %s: unknown LACP mode %s", | |
4441 | port->name, port->cfg->lacp); | |
4442 | port->lacp = 0; | |
4443 | } | |
4444 | ||
064af421 BP |
4445 | /* Get VLAN tag. */ |
4446 | vlan = -1; | |
76343538 BP |
4447 | if (cfg->tag) { |
4448 | if (port->n_ifaces < 2) { | |
4449 | vlan = *cfg->tag; | |
064af421 BP |
4450 | if (vlan >= 0 && vlan <= 4095) { |
4451 | VLOG_DBG("port %s: assigning VLAN tag %d", port->name, vlan); | |
76343538 BP |
4452 | } else { |
4453 | vlan = -1; | |
064af421 BP |
4454 | } |
4455 | } else { | |
4456 | /* It's possible that bonded, VLAN-tagged ports make sense. Maybe | |
4457 | * they even work as-is. But they have not been tested. */ | |
4458 | VLOG_WARN("port %s: VLAN tags not supported on bonded ports", | |
4459 | port->name); | |
4460 | } | |
4461 | } | |
4462 | if (port->vlan != vlan) { | |
4463 | port->vlan = vlan; | |
4464 | bridge_flush(port->bridge); | |
4465 | } | |
4466 | ||
4467 | /* Get trunked VLANs. */ | |
4468 | trunks = NULL; | |
3e9c481c | 4469 | if (vlan < 0 && cfg->n_trunks) { |
76343538 | 4470 | size_t n_errors; |
064af421 BP |
4471 | |
4472 | trunks = bitmap_allocate(4096); | |
064af421 | 4473 | n_errors = 0; |
76343538 BP |
4474 | for (i = 0; i < cfg->n_trunks; i++) { |
4475 | int trunk = cfg->trunks[i]; | |
064af421 BP |
4476 | if (trunk >= 0) { |
4477 | bitmap_set1(trunks, trunk); | |
4478 | } else { | |
4479 | n_errors++; | |
4480 | } | |
4481 | } | |
4482 | if (n_errors) { | |
4483 | VLOG_ERR("port %s: invalid values for %zu trunk VLANs", | |
76343538 | 4484 | port->name, cfg->n_trunks); |
064af421 | 4485 | } |
76343538 | 4486 | if (n_errors == cfg->n_trunks) { |
3e9c481c | 4487 | VLOG_ERR("port %s: no valid trunks, trunking all VLANs", |
76343538 | 4488 | port->name); |
3e9c481c BP |
4489 | bitmap_free(trunks); |
4490 | trunks = NULL; | |
064af421 | 4491 | } |
3e9c481c BP |
4492 | } else if (vlan >= 0 && cfg->n_trunks) { |
4493 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
4494 | port->name); | |
064af421 BP |
4495 | } |
4496 | if (trunks == NULL | |
4497 | ? port->trunks != NULL | |
4498 | : port->trunks == NULL || !bitmap_equal(trunks, port->trunks, 4096)) { | |
4499 | bridge_flush(port->bridge); | |
4500 | } | |
4501 | bitmap_free(port->trunks); | |
4502 | port->trunks = trunks; | |
064af421 BP |
4503 | } |
4504 | ||
4505 | static void | |
4506 | port_destroy(struct port *port) | |
4507 | { | |
4508 | if (port) { | |
4509 | struct bridge *br = port->bridge; | |
4510 | struct port *del; | |
37e7f427 | 4511 | int i; |
064af421 | 4512 | |
064af421 BP |
4513 | for (i = 0; i < MAX_MIRRORS; i++) { |
4514 | struct mirror *m = br->mirrors[i]; | |
4515 | if (m && m->out_port == port) { | |
4516 | mirror_destroy(m); | |
4517 | } | |
4518 | } | |
4519 | ||
4520 | while (port->n_ifaces > 0) { | |
4521 | iface_destroy(port->ifaces[port->n_ifaces - 1]); | |
4522 | } | |
4523 | ||
836fad5e BP |
4524 | shash_find_and_delete_assert(&br->port_by_name, port->name); |
4525 | ||
064af421 BP |
4526 | del = br->ports[port->port_idx] = br->ports[--br->n_ports]; |
4527 | del->port_idx = port->port_idx; | |
4528 | ||
99707a7a JP |
4529 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
4530 | ||
0bb5c3ec | 4531 | netdev_monitor_destroy(port->monitor); |
064af421 BP |
4532 | free(port->ifaces); |
4533 | bitmap_free(port->trunks); | |
4534 | free(port->name); | |
4535 | free(port); | |
4536 | bridge_flush(br); | |
4537 | } | |
4538 | } | |
4539 | ||
4540 | static struct port * | |
4541 | port_from_dp_ifidx(const struct bridge *br, uint16_t dp_ifidx) | |
4542 | { | |
4543 | struct iface *iface = iface_from_dp_ifidx(br, dp_ifidx); | |
4544 | return iface ? iface->port : NULL; | |
4545 | } | |
4546 | ||
4547 | static struct port * | |
4548 | port_lookup(const struct bridge *br, const char *name) | |
4549 | { | |
836fad5e | 4550 | return shash_find_data(&br->port_by_name, name); |
064af421 BP |
4551 | } |
4552 | ||
da285df4 BP |
4553 | static struct iface * |
4554 | port_lookup_iface(const struct port *port, const char *name) | |
4555 | { | |
4a1ee6ae BP |
4556 | struct iface *iface = iface_lookup(port->bridge, name); |
4557 | return iface && iface->port == port ? iface : NULL; | |
da285df4 BP |
4558 | } |
4559 | ||
c25c91fd EJ |
4560 | static void |
4561 | port_update_lacp(struct port *port) | |
4562 | { | |
4563 | size_t i; | |
4564 | bool key_changed; | |
4565 | ||
4566 | if (!port->lacp || port->n_ifaces < 1) { | |
edbad245 EJ |
4567 | for (i = 0; i < port->n_ifaces; i++) { |
4568 | iface_set_lacp_defaulted(port->ifaces[i]); | |
4569 | } | |
c25c91fd EJ |
4570 | return; |
4571 | } | |
4572 | ||
4573 | key_changed = true; | |
4574 | for (i = 0; i < port->n_ifaces; i++) { | |
4575 | struct iface *iface = port->ifaces[i]; | |
4576 | ||
4577 | if (iface->dp_ifidx <= 0 || iface->dp_ifidx > UINT16_MAX) { | |
4578 | port->lacp = 0; | |
4579 | return; | |
4580 | } | |
4581 | ||
4582 | if (iface->dp_ifidx == port->lacp_key) { | |
4583 | key_changed = false; | |
4584 | } | |
4585 | } | |
4586 | ||
4587 | if (key_changed) { | |
4588 | port->lacp_key = port->ifaces[0]->dp_ifidx; | |
4589 | } | |
4590 | ||
4591 | for (i = 0; i < port->n_ifaces; i++) { | |
4592 | struct iface *iface = port->ifaces[i]; | |
4593 | ||
4594 | iface->lacp_actor.sys_priority = htons(port->lacp_priority); | |
b0ce40ee | 4595 | memcpy(&iface->lacp_actor.sys_id, port->bridge->ea, ETH_ADDR_LEN); |
c25c91fd EJ |
4596 | |
4597 | iface->lacp_actor.port_priority = htons(iface->lacp_priority); | |
b0ce40ee | 4598 | iface->lacp_actor.port_id = htons(iface->dp_ifidx); |
c25c91fd EJ |
4599 | iface->lacp_actor.key = htons(port->lacp_key); |
4600 | ||
4601 | iface->lacp_tx = 0; | |
4602 | } | |
4603 | port->lacp_need_update = true; | |
4604 | } | |
4605 | ||
064af421 BP |
4606 | static void |
4607 | port_update_bonding(struct port *port) | |
4608 | { | |
4609 | if (port->n_ifaces < 2) { | |
4610 | /* Not a bonded port. */ | |
0b8b6f71 BP |
4611 | free(port->bond_hash); |
4612 | port->bond_hash = NULL; | |
be02e7c3 | 4613 | port->bond_fake_iface = false; |
55eccb86 EJ |
4614 | port->active_iface = -1; |
4615 | port->no_ifaces_tag = 0; | |
064af421 | 4616 | } else { |
0bb5c3ec | 4617 | size_t i; |
064af421 | 4618 | |
9f5073d8 | 4619 | if (port->bond_mode != BM_AB && !port->bond_hash) { |
064af421 BP |
4620 | port->bond_hash = xcalloc(BOND_MASK + 1, sizeof *port->bond_hash); |
4621 | for (i = 0; i <= BOND_MASK; i++) { | |
4622 | struct bond_entry *e = &port->bond_hash[i]; | |
4623 | e->iface_idx = -1; | |
4624 | e->tx_bytes = 0; | |
4625 | } | |
c8143c88 BP |
4626 | port->bond_next_rebalance |
4627 | = time_msec() + port->bond_rebalance_interval; | |
9f5073d8 | 4628 | } else if (port->bond_mode == BM_AB) { |
be02e7c3 EJ |
4629 | free(port->bond_hash); |
4630 | port->bond_hash = NULL; | |
064af421 | 4631 | } |
55eccb86 EJ |
4632 | |
4633 | if (!port->no_ifaces_tag) { | |
4634 | port->no_ifaces_tag = tag_create_random(); | |
4635 | } | |
4636 | ||
4637 | if (port->active_iface < 0) { | |
4638 | bond_choose_active_iface(port); | |
4639 | } | |
4640 | ||
76343538 | 4641 | port->bond_fake_iface = port->cfg->bond_fake_iface; |
55eccb86 EJ |
4642 | if (port->bond_fake_iface) { |
4643 | port->bond_next_fake_iface_update = time_msec(); | |
4644 | } | |
0bb5c3ec | 4645 | |
064af421 BP |
4646 | } |
4647 | } | |
064af421 BP |
4648 | \f |
4649 | /* Interface functions. */ | |
4650 | ||
c25c91fd EJ |
4651 | static void |
4652 | iface_set_lacp_defaulted(struct iface *iface) | |
4653 | { | |
8834f25e | 4654 | memset(&iface->lacp_partner, 0, sizeof iface->lacp_partner); |
c25c91fd | 4655 | |
76ab2ea7 EJ |
4656 | iface->lacp_status |= LACP_DEFAULTED; |
4657 | iface->lacp_status &= ~(LACP_CURRENT | LACP_EXPIRED); | |
c25c91fd EJ |
4658 | iface->lacp_tx = 0; |
4659 | iface->port->lacp_need_update = true; | |
4660 | } | |
4661 | ||
4662 | static void | |
4663 | iface_set_lacp_expired(struct iface *iface) | |
4664 | { | |
cd482758 EJ |
4665 | iface->lacp_status &= ~LACP_CURRENT; |
4666 | iface->lacp_status |= LACP_EXPIRED; | |
c25c91fd EJ |
4667 | iface->lacp_partner.state |= LACP_STATE_TIME; |
4668 | iface->lacp_partner.state &= ~LACP_STATE_SYNC; | |
4669 | ||
4670 | iface->lacp_rx = time_msec() + LACP_FAST_TIME_RX; | |
4671 | iface->lacp_tx = 0; | |
4672 | } | |
4673 | ||
4674 | static uint8_t | |
4675 | iface_get_lacp_state(const struct iface *iface) | |
4676 | { | |
4677 | uint8_t state = 0; | |
4678 | ||
4679 | if (iface->port->lacp & LACP_ACTIVE) { | |
4680 | state |= LACP_STATE_ACT; | |
4681 | } | |
4682 | ||
cd482758 | 4683 | if (iface->lacp_status & LACP_ATTACHED) { |
c25c91fd EJ |
4684 | state |= LACP_STATE_SYNC; |
4685 | } | |
4686 | ||
cd482758 EJ |
4687 | if (iface->lacp_status & LACP_DEFAULTED) { |
4688 | state |= LACP_STATE_DEF; | |
4689 | } | |
4690 | ||
4691 | if (iface->lacp_status & LACP_EXPIRED) { | |
c25c91fd EJ |
4692 | state |= LACP_STATE_EXP; |
4693 | } | |
4694 | ||
4695 | if (iface->port->n_ifaces > 1) { | |
4696 | state |= LACP_STATE_AGG; | |
4697 | } | |
4698 | ||
4699 | if (iface->enabled) { | |
4700 | state |= LACP_STATE_COL | LACP_STATE_DIST; | |
4701 | } | |
4702 | ||
4703 | return state; | |
4704 | } | |
4705 | ||
4706 | /* Given 'iface', populates 'priority' with data representing its LACP link | |
4707 | * priority. If two priority objects populated by this function are compared | |
4708 | * using memcmp, the higher priority link will be less than the lower priority | |
4709 | * link. */ | |
4710 | static void | |
4711 | iface_get_lacp_priority(struct iface *iface, struct lacp_info *priority) | |
4712 | { | |
4713 | uint16_t partner_priority, actor_priority; | |
4714 | ||
4715 | /* Choose the lacp_info of the higher priority system by comparing their | |
4716 | * system priorities and mac addresses. */ | |
4717 | actor_priority = ntohs(iface->lacp_actor.sys_priority); | |
4718 | partner_priority = ntohs(iface->lacp_partner.sys_priority); | |
4719 | if (actor_priority < partner_priority) { | |
4720 | *priority = iface->lacp_actor; | |
4721 | } else if (partner_priority < actor_priority) { | |
4722 | *priority = iface->lacp_partner; | |
b0ce40ee EJ |
4723 | } else if (eth_addr_compare_3way(iface->lacp_actor.sys_id, |
4724 | iface->lacp_partner.sys_id) < 0) { | |
c25c91fd EJ |
4725 | *priority = iface->lacp_actor; |
4726 | } else { | |
4727 | *priority = iface->lacp_partner; | |
4728 | } | |
4729 | ||
4730 | /* Key and state are not used in priority comparisons. */ | |
4731 | priority->key = 0; | |
4732 | priority->state = 0; | |
4733 | } | |
4734 | ||
b31bcf60 EJ |
4735 | static void |
4736 | iface_send_packet(struct iface *iface, struct ofpbuf *packet) | |
4737 | { | |
4738 | struct flow flow; | |
4739 | union ofp_action action; | |
4740 | ||
4741 | memset(&action, 0, sizeof action); | |
4742 | action.output.type = htons(OFPAT_OUTPUT); | |
4743 | action.output.len = htons(sizeof action); | |
4744 | action.output.port = htons(odp_port_to_ofp_port(iface->dp_ifidx)); | |
4745 | ||
4746 | flow_extract(packet, 0, ODPP_NONE, &flow); | |
4747 | ||
4748 | if (ofproto_send_packet(iface->port->bridge->ofproto, &flow, &action, 1, | |
4749 | packet)) { | |
4750 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4751 | VLOG_WARN_RL(&rl, "interface %s: Failed to send packet.", iface->name); | |
4752 | } | |
4753 | } | |
4754 | ||
76343538 | 4755 | static struct iface * |
a740f0de | 4756 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 4757 | { |
4a1ee6ae | 4758 | struct bridge *br = port->bridge; |
064af421 | 4759 | struct iface *iface; |
a740f0de | 4760 | char *name = if_cfg->name; |
064af421 | 4761 | |
ec6fde61 | 4762 | iface = xzalloc(sizeof *iface); |
064af421 BP |
4763 | iface->port = port; |
4764 | iface->port_ifidx = port->n_ifaces; | |
4765 | iface->name = xstrdup(name); | |
4766 | iface->dp_ifidx = -1; | |
4767 | iface->tag = tag_create_random(); | |
064af421 | 4768 | iface->delay_expires = LLONG_MAX; |
0c6aea3f | 4769 | iface->netdev = NULL; |
149f577a | 4770 | iface->cfg = if_cfg; |
c25c91fd EJ |
4771 | iface_set_lacp_defaulted(iface); |
4772 | ||
4773 | if (port->lacp & LACP_ACTIVE) { | |
4774 | iface_set_lacp_expired(iface); | |
4775 | } | |
064af421 | 4776 | |
2457b24f JG |
4777 | shash_add_assert(&br->iface_by_name, iface->name, iface); |
4778 | ||
064af421 BP |
4779 | if (port->n_ifaces >= port->allocated_ifaces) { |
4780 | port->ifaces = x2nrealloc(port->ifaces, &port->allocated_ifaces, | |
4781 | sizeof *port->ifaces); | |
4782 | } | |
4783 | port->ifaces[port->n_ifaces++] = iface; | |
4784 | if (port->n_ifaces > 1) { | |
4a1ee6ae | 4785 | br->has_bonded_ports = true; |
064af421 BP |
4786 | } |
4787 | ||
4788 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); | |
4789 | ||
4a1ee6ae | 4790 | bridge_flush(br); |
76343538 BP |
4791 | |
4792 | return iface; | |
064af421 BP |
4793 | } |
4794 | ||
4795 | static void | |
4796 | iface_destroy(struct iface *iface) | |
4797 | { | |
4798 | if (iface) { | |
4799 | struct port *port = iface->port; | |
4800 | struct bridge *br = port->bridge; | |
4801 | bool del_active = port->active_iface == iface->port_ifidx; | |
4802 | struct iface *del; | |
4803 | ||
e5ed989d | 4804 | if (port->monitor && iface->netdev) { |
7ca5f243 EJ |
4805 | netdev_monitor_remove(port->monitor, iface->netdev); |
4806 | } | |
4807 | ||
4a1ee6ae BP |
4808 | shash_find_and_delete_assert(&br->iface_by_name, iface->name); |
4809 | ||
064af421 | 4810 | if (iface->dp_ifidx >= 0) { |
d9a8717a | 4811 | hmap_remove(&br->ifaces, &iface->dp_ifidx_node); |
064af421 BP |
4812 | } |
4813 | ||
4814 | del = port->ifaces[iface->port_ifidx] = port->ifaces[--port->n_ifaces]; | |
4815 | del->port_ifidx = iface->port_ifidx; | |
4816 | ||
0c6aea3f | 4817 | netdev_close(iface->netdev); |
064af421 BP |
4818 | |
4819 | if (del_active) { | |
4820 | ofproto_revalidate(port->bridge->ofproto, port->active_iface_tag); | |
4821 | bond_choose_active_iface(port); | |
2303f3b2 | 4822 | bond_send_learning_packets(port); |
064af421 BP |
4823 | } |
4824 | ||
b31bcf60 EJ |
4825 | cfm_destroy(iface->cfm); |
4826 | ||
a740f0de JG |
4827 | free(iface->name); |
4828 | free(iface); | |
4829 | ||
064af421 BP |
4830 | bridge_flush(port->bridge); |
4831 | } | |
4832 | } | |
4833 | ||
4834 | static struct iface * | |
4835 | iface_lookup(const struct bridge *br, const char *name) | |
4836 | { | |
4a1ee6ae | 4837 | return shash_find_data(&br->iface_by_name, name); |
064af421 BP |
4838 | } |
4839 | ||
e8fe3026 EJ |
4840 | static struct iface * |
4841 | iface_find(const char *name) | |
4842 | { | |
4843 | const struct bridge *br; | |
4844 | ||
4845 | LIST_FOR_EACH (br, node, &all_bridges) { | |
4846 | struct iface *iface = iface_lookup(br, name); | |
4847 | ||
4848 | if (iface) { | |
4849 | return iface; | |
4850 | } | |
4851 | } | |
4852 | return NULL; | |
4853 | } | |
4854 | ||
064af421 BP |
4855 | static struct iface * |
4856 | iface_from_dp_ifidx(const struct bridge *br, uint16_t dp_ifidx) | |
4857 | { | |
d9a8717a BP |
4858 | struct iface *iface; |
4859 | ||
4e8e4213 | 4860 | HMAP_FOR_EACH_IN_BUCKET (iface, dp_ifidx_node, |
d9a8717a BP |
4861 | hash_int(dp_ifidx, 0), &br->ifaces) { |
4862 | if (iface->dp_ifidx == dp_ifidx) { | |
4863 | return iface; | |
4864 | } | |
4865 | } | |
4866 | return NULL; | |
064af421 | 4867 | } |
557d8e6c | 4868 | |
52df17e7 BP |
4869 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
4870 | * file. */ | |
4871 | static void | |
4872 | iface_set_mac(struct iface *iface) | |
4873 | { | |
76343538 | 4874 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 4875 | |
76343538 | 4876 | if (iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { |
52df17e7 BP |
4877 | if (eth_addr_is_multicast(ea)) { |
4878 | VLOG_ERR("interface %s: cannot set MAC to multicast address", | |
4879 | iface->name); | |
4880 | } else if (iface->dp_ifidx == ODPP_LOCAL) { | |
4881 | VLOG_ERR("ignoring iface.%s.mac; use bridge.%s.mac instead", | |
4882 | iface->name, iface->name); | |
4883 | } else { | |
4d678233 | 4884 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
4885 | if (error) { |
4886 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
4887 | iface->name, strerror(error)); | |
4888 | } | |
4889 | } | |
4890 | } | |
4891 | } | |
c1c9c9c4 | 4892 | |
bcd49a45 BP |
4893 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
4894 | static void | |
4895 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
4896 | { | |
4897 | if (if_cfg) { | |
4898 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); | |
4899 | } | |
4900 | } | |
4901 | ||
43776b8f BP |
4902 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
4903 | * | |
4904 | * The value strings in '*shash' are taken directly from values[], not copied, | |
4905 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
4906 | static void |
4907 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
4908 | struct shash *shash) | |
4909 | { | |
4910 | size_t i; | |
4911 | ||
4912 | shash_init(shash); | |
4913 | for (i = 0; i < n; i++) { | |
4914 | shash_add(shash, keys[i], values[i]); | |
4915 | } | |
4916 | } | |
4917 | ||
ea763e0e EJ |
4918 | /* Creates 'keys' and 'values' arrays from 'shash'. |
4919 | * | |
4920 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
4921 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
4922 | * are populated with with strings taken directly from 'shash' and thus have | |
4923 | * the same ownership of the key-value pairs in shash. | |
4924 | */ | |
4925 | static void | |
4926 | shash_to_ovs_idl_map(struct shash *shash, | |
4927 | char ***keys, char ***values, size_t *n) | |
4928 | { | |
4929 | size_t i, count; | |
4930 | char **k, **v; | |
4931 | struct shash_node *sn; | |
4932 | ||
4933 | count = shash_count(shash); | |
4934 | ||
4935 | k = xmalloc(count * sizeof *k); | |
4936 | v = xmalloc(count * sizeof *v); | |
4937 | ||
4938 | i = 0; | |
4939 | SHASH_FOR_EACH(sn, shash) { | |
4940 | k[i] = sn->name; | |
4941 | v[i] = sn->data; | |
4942 | i++; | |
4943 | } | |
4944 | ||
4945 | *n = count; | |
4946 | *keys = k; | |
4947 | *values = v; | |
4948 | } | |
4949 | ||
c1c9c9c4 BP |
4950 | struct iface_delete_queues_cbdata { |
4951 | struct netdev *netdev; | |
44fca7f9 | 4952 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
4953 | }; |
4954 | ||
4955 | static bool | |
44fca7f9 | 4956 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 4957 | { |
44fca7f9 | 4958 | union ovsdb_atom atom; |
c1c9c9c4 | 4959 | |
44fca7f9 BP |
4960 | atom.integer = target; |
4961 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
4962 | } |
4963 | ||
4964 | static void | |
4965 | iface_delete_queues(unsigned int queue_id, | |
4966 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
4967 | { | |
4968 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
4969 | ||
44fca7f9 | 4970 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
4971 | netdev_delete_queue(cbdata->netdev, queue_id); |
4972 | } | |
4973 | } | |
4974 | ||
e5ed989d EJ |
4975 | static void |
4976 | iface_update_carrier(struct iface *iface, bool carrier) | |
4977 | { | |
4978 | if (carrier == iface->up) { | |
4979 | return; | |
4980 | } | |
4981 | ||
4982 | iface->up = carrier; | |
4983 | ||
4984 | iface->lacp_tx = 0; | |
4985 | if (iface->lacp_status & LACP_CURRENT) { | |
4986 | iface_set_lacp_expired(iface); | |
4987 | } | |
4988 | } | |
4989 | ||
c1c9c9c4 BP |
4990 | static void |
4991 | iface_update_qos(struct iface *iface, const struct ovsrec_qos *qos) | |
4992 | { | |
4993 | if (!qos || qos->type[0] == '\0') { | |
4994 | netdev_set_qos(iface->netdev, NULL, NULL); | |
4995 | } else { | |
4996 | struct iface_delete_queues_cbdata cbdata; | |
4997 | struct shash details; | |
4998 | size_t i; | |
4999 | ||
5000 | /* Configure top-level Qos for 'iface'. */ | |
5001 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
5002 | qos->n_other_config, &details); | |
5003 | netdev_set_qos(iface->netdev, qos->type, &details); | |
5004 | shash_destroy(&details); | |
5005 | ||
5006 | /* Deconfigure queues that were deleted. */ | |
5007 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
5008 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
5009 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
5010 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
5011 | ||
5012 | /* Configure queues for 'iface'. */ | |
5013 | for (i = 0; i < qos->n_queues; i++) { | |
5014 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
5015 | unsigned int queue_id = qos->key_queues[i]; | |
5016 | ||
5017 | shash_from_ovs_idl_map(queue->key_other_config, | |
5018 | queue->value_other_config, | |
5019 | queue->n_other_config, &details); | |
5020 | netdev_set_queue(iface->netdev, queue_id, &details); | |
5021 | shash_destroy(&details); | |
5022 | } | |
5023 | } | |
5024 | } | |
b31bcf60 EJ |
5025 | |
5026 | static void | |
5027 | iface_update_cfm(struct iface *iface) | |
5028 | { | |
5029 | size_t i; | |
5030 | struct cfm *cfm; | |
5031 | uint16_t *remote_mps; | |
5032 | struct ovsrec_monitor *mon; | |
5033 | uint8_t ea[ETH_ADDR_LEN], maid[CCM_MAID_LEN]; | |
5034 | ||
5035 | mon = iface->cfg->monitor; | |
5036 | ||
5037 | if (!mon) { | |
4fadfb56 BP |
5038 | cfm_destroy(iface->cfm); |
5039 | iface->cfm = NULL; | |
b31bcf60 EJ |
5040 | return; |
5041 | } | |
5042 | ||
5043 | if (netdev_get_etheraddr(iface->netdev, ea)) { | |
5044 | VLOG_WARN("interface %s: Failed to get ethernet address. " | |
5045 | "Skipping Monitor.", iface->name); | |
5046 | return; | |
5047 | } | |
5048 | ||
5049 | if (!cfm_generate_maid(mon->md_name, mon->ma_name, maid)) { | |
5050 | VLOG_WARN("interface %s: Failed to generate MAID.", iface->name); | |
5051 | return; | |
5052 | } | |
5053 | ||
5054 | if (!iface->cfm) { | |
5055 | iface->cfm = cfm_create(); | |
5056 | } | |
5057 | ||
5058 | cfm = iface->cfm; | |
5059 | cfm->mpid = mon->mpid; | |
5060 | cfm->interval = mon->interval ? *mon->interval : 1000; | |
5061 | ||
5062 | memcpy(cfm->eth_src, ea, sizeof cfm->eth_src); | |
5063 | memcpy(cfm->maid, maid, sizeof cfm->maid); | |
5064 | ||
5065 | remote_mps = xzalloc(mon->n_remote_mps * sizeof *remote_mps); | |
5066 | for(i = 0; i < mon->n_remote_mps; i++) { | |
5067 | remote_mps[i] = mon->remote_mps[i]->mpid; | |
5068 | } | |
5069 | cfm_update_remote_mps(cfm, remote_mps, mon->n_remote_mps); | |
5070 | free(remote_mps); | |
5071 | ||
5072 | if (!cfm_configure(iface->cfm)) { | |
5073 | cfm_destroy(iface->cfm); | |
5074 | iface->cfm = NULL; | |
5075 | } | |
5076 | } | |
064af421 BP |
5077 | \f |
5078 | /* Port mirroring. */ | |
5079 | ||
dd0d105c BP |
5080 | static struct mirror * |
5081 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
5082 | { | |
5083 | int i; | |
5084 | ||
5085 | for (i = 0; i < MAX_MIRRORS; i++) { | |
5086 | struct mirror *m = br->mirrors[i]; | |
5087 | if (m && uuid_equals(uuid, &m->uuid)) { | |
5088 | return m; | |
5089 | } | |
5090 | } | |
5091 | return NULL; | |
5092 | } | |
5093 | ||
064af421 | 5094 | static void |
37e7f427 | 5095 | mirror_reconfigure(struct bridge *br) |
064af421 | 5096 | { |
f2d7fd66 | 5097 | unsigned long *rspan_vlans; |
37e7f427 | 5098 | int i; |
064af421 | 5099 | |
dd0d105c | 5100 | /* Get rid of deleted mirrors. */ |
064af421 | 5101 | for (i = 0; i < MAX_MIRRORS; i++) { |
dd0d105c BP |
5102 | struct mirror *m = br->mirrors[i]; |
5103 | if (m) { | |
5104 | const struct ovsdb_datum *mc; | |
5105 | union ovsdb_atom atom; | |
5106 | ||
5107 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); | |
5108 | atom.uuid = br->mirrors[i]->uuid; | |
5109 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
5110 | mirror_destroy(m); | |
5111 | } | |
064af421 BP |
5112 | } |
5113 | } | |
5114 | ||
dd0d105c | 5115 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 BP |
5116 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
5117 | struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; | |
dd0d105c BP |
5118 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
5119 | if (m) { | |
5120 | mirror_reconfigure_one(m, cfg); | |
5121 | } else { | |
5122 | mirror_create(br, cfg); | |
064af421 BP |
5123 | } |
5124 | } | |
5125 | ||
5126 | /* Update port reserved status. */ | |
5127 | for (i = 0; i < br->n_ports; i++) { | |
5128 | br->ports[i]->is_mirror_output_port = false; | |
5129 | } | |
5130 | for (i = 0; i < MAX_MIRRORS; i++) { | |
5131 | struct mirror *m = br->mirrors[i]; | |
5132 | if (m && m->out_port) { | |
5133 | m->out_port->is_mirror_output_port = true; | |
5134 | } | |
5135 | } | |
f2d7fd66 | 5136 | |
8f30d09a | 5137 | /* Update flooded vlans (for RSPAN). */ |
f2d7fd66 | 5138 | rspan_vlans = NULL; |
37e7f427 | 5139 | if (br->cfg->n_flood_vlans) { |
f2d7fd66 JG |
5140 | rspan_vlans = bitmap_allocate(4096); |
5141 | ||
37e7f427 BP |
5142 | for (i = 0; i < br->cfg->n_flood_vlans; i++) { |
5143 | int64_t vlan = br->cfg->flood_vlans[i]; | |
5144 | if (vlan >= 0 && vlan < 4096) { | |
f2d7fd66 | 5145 | bitmap_set1(rspan_vlans, vlan); |
37e7f427 | 5146 | VLOG_INFO("bridge %s: disabling learning on vlan %"PRId64, |
42061b2a | 5147 | br->name, vlan); |
f2d7fd66 | 5148 | } else { |
37e7f427 BP |
5149 | VLOG_ERR("bridge %s: invalid value %"PRId64 "for flood VLAN", |
5150 | br->name, vlan); | |
f2d7fd66 JG |
5151 | } |
5152 | } | |
5153 | } | |
8f30d09a | 5154 | if (mac_learning_set_flood_vlans(br->ml, rspan_vlans)) { |
f2d7fd66 JG |
5155 | bridge_flush(br); |
5156 | } | |
064af421 BP |
5157 | } |
5158 | ||
dd0d105c BP |
5159 | static void |
5160 | mirror_create(struct bridge *br, struct ovsrec_mirror *cfg) | |
064af421 BP |
5161 | { |
5162 | struct mirror *m; | |
5163 | size_t i; | |
5164 | ||
5165 | for (i = 0; ; i++) { | |
5166 | if (i >= MAX_MIRRORS) { | |
5167 | VLOG_WARN("bridge %s: maximum of %d port mirrors reached, " | |
dd0d105c BP |
5168 | "cannot create %s", br->name, MAX_MIRRORS, cfg->name); |
5169 | return; | |
064af421 BP |
5170 | } |
5171 | if (!br->mirrors[i]) { | |
5172 | break; | |
5173 | } | |
5174 | } | |
5175 | ||
dd0d105c | 5176 | VLOG_INFO("created port mirror %s on bridge %s", cfg->name, br->name); |
064af421 BP |
5177 | bridge_flush(br); |
5178 | ||
ec6fde61 | 5179 | br->mirrors[i] = m = xzalloc(sizeof *m); |
064af421 BP |
5180 | m->bridge = br; |
5181 | m->idx = i; | |
dd0d105c | 5182 | m->name = xstrdup(cfg->name); |
37e7f427 BP |
5183 | shash_init(&m->src_ports); |
5184 | shash_init(&m->dst_ports); | |
064af421 BP |
5185 | m->vlans = NULL; |
5186 | m->n_vlans = 0; | |
5187 | m->out_vlan = -1; | |
5188 | m->out_port = NULL; | |
37e7f427 | 5189 | |
dd0d105c | 5190 | mirror_reconfigure_one(m, cfg); |
064af421 BP |
5191 | } |
5192 | ||
5193 | static void | |
5194 | mirror_destroy(struct mirror *m) | |
5195 | { | |
5196 | if (m) { | |
5197 | struct bridge *br = m->bridge; | |
5198 | size_t i; | |
5199 | ||
5200 | for (i = 0; i < br->n_ports; i++) { | |
5201 | br->ports[i]->src_mirrors &= ~(MIRROR_MASK_C(1) << m->idx); | |
5202 | br->ports[i]->dst_mirrors &= ~(MIRROR_MASK_C(1) << m->idx); | |
5203 | } | |
5204 | ||
37e7f427 BP |
5205 | shash_destroy(&m->src_ports); |
5206 | shash_destroy(&m->dst_ports); | |
064af421 BP |
5207 | free(m->vlans); |
5208 | ||
5209 | m->bridge->mirrors[m->idx] = NULL; | |
786880a5 | 5210 | free(m->name); |
064af421 BP |
5211 | free(m); |
5212 | ||
5213 | bridge_flush(br); | |
5214 | } | |
5215 | } | |
5216 | ||
5217 | static void | |
37e7f427 BP |
5218 | mirror_collect_ports(struct mirror *m, struct ovsrec_port **ports, int n_ports, |
5219 | struct shash *names) | |
064af421 | 5220 | { |
064af421 BP |
5221 | size_t i; |
5222 | ||
37e7f427 BP |
5223 | for (i = 0; i < n_ports; i++) { |
5224 | const char *name = ports[i]->name; | |
064af421 | 5225 | if (port_lookup(m->bridge, name)) { |
37e7f427 | 5226 | shash_add_once(names, name, NULL); |
064af421 | 5227 | } else { |
37e7f427 BP |
5228 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
5229 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
5230 | } |
5231 | } | |
064af421 BP |
5232 | } |
5233 | ||
5234 | static size_t | |
37e7f427 BP |
5235 | mirror_collect_vlans(struct mirror *m, const struct ovsrec_mirror *cfg, |
5236 | int **vlans) | |
064af421 | 5237 | { |
37e7f427 BP |
5238 | size_t n_vlans; |
5239 | size_t i; | |
064af421 | 5240 | |
0b523ea7 | 5241 | *vlans = xmalloc(sizeof **vlans * cfg->n_select_vlan); |
064af421 | 5242 | n_vlans = 0; |
37e7f427 BP |
5243 | for (i = 0; i < cfg->n_select_vlan; i++) { |
5244 | int64_t vlan = cfg->select_vlan[i]; | |
5245 | if (vlan < 0 || vlan > 4095) { | |
5246 | VLOG_WARN("bridge %s: mirror %s selects invalid VLAN %"PRId64, | |
5247 | m->bridge->name, m->name, vlan); | |
064af421 BP |
5248 | } else { |
5249 | (*vlans)[n_vlans++] = vlan; | |
5250 | } | |
5251 | } | |
5252 | return n_vlans; | |
5253 | } | |
5254 | ||
5255 | static bool | |
5256 | vlan_is_mirrored(const struct mirror *m, int vlan) | |
5257 | { | |
5258 | size_t i; | |
5259 | ||
5260 | for (i = 0; i < m->n_vlans; i++) { | |
5261 | if (m->vlans[i] == vlan) { | |
5262 | return true; | |
5263 | } | |
5264 | } | |
5265 | return false; | |
5266 | } | |
5267 | ||
5268 | static bool | |
5269 | port_trunks_any_mirrored_vlan(const struct mirror *m, const struct port *p) | |
5270 | { | |
5271 | size_t i; | |
5272 | ||
5273 | for (i = 0; i < m->n_vlans; i++) { | |
5274 | if (port_trunks_vlan(p, m->vlans[i])) { | |
5275 | return true; | |
5276 | } | |
5277 | } | |
5278 | return false; | |
5279 | } | |
5280 | ||
5281 | static void | |
37e7f427 | 5282 | mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg) |
064af421 | 5283 | { |
37e7f427 | 5284 | struct shash src_ports, dst_ports; |
064af421 | 5285 | mirror_mask_t mirror_bit; |
064af421 BP |
5286 | struct port *out_port; |
5287 | int out_vlan; | |
5288 | size_t n_vlans; | |
5289 | int *vlans; | |
5290 | size_t i; | |
064af421 | 5291 | |
dd0d105c BP |
5292 | /* Set name. */ |
5293 | if (strcmp(cfg->name, m->name)) { | |
5294 | free(m->name); | |
5295 | m->name = xstrdup(cfg->name); | |
5296 | } | |
5297 | ||
064af421 | 5298 | /* Get output port. */ |
37e7f427 BP |
5299 | if (cfg->output_port) { |
5300 | out_port = port_lookup(m->bridge, cfg->output_port->name); | |
064af421 | 5301 | if (!out_port) { |
37e7f427 BP |
5302 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
5303 | m->bridge->name, m->name); | |
064af421 | 5304 | mirror_destroy(m); |
064af421 BP |
5305 | return; |
5306 | } | |
5307 | out_vlan = -1; | |
5308 | ||
37e7f427 BP |
5309 | if (cfg->output_vlan) { |
5310 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
5311 | "output vlan; ignoring output vlan", | |
5312 | m->bridge->name, m->name); | |
064af421 | 5313 | } |
37e7f427 | 5314 | } else if (cfg->output_vlan) { |
064af421 | 5315 | out_port = NULL; |
37e7f427 | 5316 | out_vlan = *cfg->output_vlan; |
064af421 | 5317 | } else { |
37e7f427 BP |
5318 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
5319 | m->bridge->name, m->name); | |
064af421 | 5320 | mirror_destroy(m); |
064af421 BP |
5321 | return; |
5322 | } | |
5323 | ||
37e7f427 BP |
5324 | shash_init(&src_ports); |
5325 | shash_init(&dst_ports); | |
939ff267 BP |
5326 | if (cfg->select_all) { |
5327 | for (i = 0; i < m->bridge->n_ports; i++) { | |
5328 | const char *name = m->bridge->ports[i]->name; | |
5329 | shash_add_once(&src_ports, name, NULL); | |
5330 | shash_add_once(&dst_ports, name, NULL); | |
5331 | } | |
5332 | vlans = NULL; | |
5333 | n_vlans = 0; | |
5334 | } else { | |
5335 | /* Get ports, and drop duplicates and ports that don't exist. */ | |
5336 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, | |
5337 | &src_ports); | |
5338 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, | |
5339 | &dst_ports); | |
064af421 | 5340 | |
939ff267 BP |
5341 | /* Get all the vlans, and drop duplicate and invalid vlans. */ |
5342 | n_vlans = mirror_collect_vlans(m, cfg, &vlans); | |
37e7f427 | 5343 | } |
064af421 BP |
5344 | |
5345 | /* Update mirror data. */ | |
37e7f427 BP |
5346 | if (!shash_equal_keys(&m->src_ports, &src_ports) |
5347 | || !shash_equal_keys(&m->dst_ports, &dst_ports) | |
064af421 BP |
5348 | || m->n_vlans != n_vlans |
5349 | || memcmp(m->vlans, vlans, sizeof *vlans * n_vlans) | |
5350 | || m->out_port != out_port | |
5351 | || m->out_vlan != out_vlan) { | |
5352 | bridge_flush(m->bridge); | |
5353 | } | |
37e7f427 BP |
5354 | shash_swap(&m->src_ports, &src_ports); |
5355 | shash_swap(&m->dst_ports, &dst_ports); | |
064af421 BP |
5356 | free(m->vlans); |
5357 | m->vlans = vlans; | |
5358 | m->n_vlans = n_vlans; | |
5359 | m->out_port = out_port; | |
5360 | m->out_vlan = out_vlan; | |
5361 | ||
064af421 BP |
5362 | /* Update ports. */ |
5363 | mirror_bit = MIRROR_MASK_C(1) << m->idx; | |
5364 | for (i = 0; i < m->bridge->n_ports; i++) { | |
5365 | struct port *port = m->bridge->ports[i]; | |
5366 | ||
939ff267 | 5367 | if (shash_find(&m->src_ports, port->name) |
064af421 BP |
5368 | || (m->n_vlans |
5369 | && (!port->vlan | |
5370 | ? port_trunks_any_mirrored_vlan(m, port) | |
5371 | : vlan_is_mirrored(m, port->vlan)))) { | |
5372 | port->src_mirrors |= mirror_bit; | |
5373 | } else { | |
5374 | port->src_mirrors &= ~mirror_bit; | |
5375 | } | |
5376 | ||
939ff267 | 5377 | if (shash_find(&m->dst_ports, port->name)) { |
064af421 BP |
5378 | port->dst_mirrors |= mirror_bit; |
5379 | } else { | |
5380 | port->dst_mirrors &= ~mirror_bit; | |
5381 | } | |
5382 | } | |
5383 | ||
5384 | /* Clean up. */ | |
37e7f427 BP |
5385 | shash_destroy(&src_ports); |
5386 | shash_destroy(&dst_ports); | |
064af421 | 5387 | } |