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ac0630a2 RB |
1 | /* |
2 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
3 | * you may not use this file except in compliance with the License. | |
4 | * You may obtain a copy of the License at: | |
5 | * | |
6 | * http://www.apache.org/licenses/LICENSE-2.0 | |
7 | * | |
8 | * Unless required by applicable law or agreed to in writing, software | |
9 | * distributed under the License is distributed on an "AS IS" BASIS, | |
10 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
11 | * See the License for the specific language governing permissions and | |
12 | * limitations under the License. | |
13 | */ | |
14 | ||
15 | #include <config.h> | |
16 | ||
17 | #include <getopt.h> | |
18 | #include <stdlib.h> | |
19 | #include <stdio.h> | |
20 | ||
21 | #include "command-line.h" | |
67d9b930 | 22 | #include "daemon.h" |
ac0630a2 | 23 | #include "dirs.h" |
bd39395f | 24 | #include "dynamic-string.h" |
ac0630a2 | 25 | #include "fatal-signal.h" |
4edcdcf4 RB |
26 | #include "hash.h" |
27 | #include "hmap.h" | |
bd39395f BP |
28 | #include "json.h" |
29 | #include "ovn/lib/lex.h" | |
e3df8838 BP |
30 | #include "ovn/lib/ovn-nb-idl.h" |
31 | #include "ovn/lib/ovn-sb-idl.h" | |
ac0630a2 | 32 | #include "poll-loop.h" |
5868eb24 | 33 | #include "smap.h" |
ac0630a2 RB |
34 | #include "stream.h" |
35 | #include "stream-ssl.h" | |
7b303ff9 | 36 | #include "unixctl.h" |
ac0630a2 | 37 | #include "util.h" |
4edcdcf4 | 38 | #include "uuid.h" |
ac0630a2 RB |
39 | #include "openvswitch/vlog.h" |
40 | ||
2e2762d4 | 41 | VLOG_DEFINE_THIS_MODULE(ovn_northd); |
ac0630a2 | 42 | |
7b303ff9 AW |
43 | static unixctl_cb_func ovn_northd_exit; |
44 | ||
2e2762d4 | 45 | struct northd_context { |
f93818dd | 46 | struct ovsdb_idl *ovnnb_idl; |
ec78987f | 47 | struct ovsdb_idl *ovnsb_idl; |
f93818dd | 48 | struct ovsdb_idl_txn *ovnnb_txn; |
3c78b3ca | 49 | struct ovsdb_idl_txn *ovnsb_txn; |
f93818dd RB |
50 | }; |
51 | ||
ac0630a2 | 52 | static const char *ovnnb_db; |
ec78987f | 53 | static const char *ovnsb_db; |
ac0630a2 RB |
54 | |
55 | static const char *default_db(void); | |
880fcd14 BP |
56 | \f |
57 | /* Pipeline stages. */ | |
ac0630a2 | 58 | |
880fcd14 BP |
59 | /* The two pipelines in an OVN logical flow table. */ |
60 | enum ovn_pipeline { | |
61 | P_IN, /* Ingress pipeline. */ | |
62 | P_OUT /* Egress pipeline. */ | |
63 | }; | |
091e3af9 | 64 | |
880fcd14 BP |
65 | /* The two purposes for which ovn-northd uses OVN logical datapaths. */ |
66 | enum ovn_datapath_type { | |
67 | DP_SWITCH, /* OVN logical switch. */ | |
68 | DP_ROUTER /* OVN logical router. */ | |
091e3af9 JP |
69 | }; |
70 | ||
880fcd14 BP |
71 | /* Returns an "enum ovn_stage" built from the arguments. |
72 | * | |
73 | * (It's better to use ovn_stage_build() for type-safety reasons, but inline | |
74 | * functions can't be used in enums or switch cases.) */ | |
75 | #define OVN_STAGE_BUILD(DP_TYPE, PIPELINE, TABLE) \ | |
76 | (((DP_TYPE) << 9) | ((PIPELINE) << 8) | (TABLE)) | |
77 | ||
78 | /* A stage within an OVN logical switch or router. | |
091e3af9 | 79 | * |
880fcd14 BP |
80 | * An "enum ovn_stage" indicates whether the stage is part of a logical switch |
81 | * or router, whether the stage is part of the ingress or egress pipeline, and | |
82 | * the table within that pipeline. The first three components are combined to | |
83 | * form the stage's full name, e.g. S_SWITCH_IN_PORT_SEC, | |
84 | * S_ROUTER_OUT_DELIVERY. */ | |
85 | enum ovn_stage { | |
e0c9e58b JP |
86 | #define PIPELINE_STAGES \ |
87 | /* Logical switch ingress stages. */ \ | |
88 | PIPELINE_STAGE(SWITCH, IN, PORT_SEC, 0, "ls_in_port_sec") \ | |
89 | PIPELINE_STAGE(SWITCH, IN, PRE_ACL, 1, "ls_in_pre_acl") \ | |
90 | PIPELINE_STAGE(SWITCH, IN, ACL, 2, "ls_in_acl") \ | |
91 | PIPELINE_STAGE(SWITCH, IN, L2_LKUP, 3, "ls_in_l2_lkup") \ | |
92 | \ | |
93 | /* Logical switch egress stages. */ \ | |
94 | PIPELINE_STAGE(SWITCH, OUT, PRE_ACL, 0, "ls_out_pre_acl") \ | |
95 | PIPELINE_STAGE(SWITCH, OUT, ACL, 1, "ls_out_acl") \ | |
96 | PIPELINE_STAGE(SWITCH, OUT, PORT_SEC, 2, "ls_out_port_sec") \ | |
97 | \ | |
98 | /* Logical router ingress stages. */ \ | |
99 | PIPELINE_STAGE(ROUTER, IN, ADMISSION, 0, "lr_in_admission") \ | |
100 | PIPELINE_STAGE(ROUTER, IN, IP_INPUT, 1, "lr_in_ip_input") \ | |
101 | PIPELINE_STAGE(ROUTER, IN, IP_ROUTING, 2, "lr_in_ip_routing") \ | |
102 | PIPELINE_STAGE(ROUTER, IN, ARP, 3, "lr_in_arp") \ | |
103 | \ | |
104 | /* Logical router egress stages. */ \ | |
105 | PIPELINE_STAGE(ROUTER, OUT, DELIVERY, 0, "lr_out_delivery") | |
880fcd14 BP |
106 | |
107 | #define PIPELINE_STAGE(DP_TYPE, PIPELINE, STAGE, TABLE, NAME) \ | |
108 | S_##DP_TYPE##_##PIPELINE##_##STAGE \ | |
109 | = OVN_STAGE_BUILD(DP_##DP_TYPE, P_##PIPELINE, TABLE), | |
110 | PIPELINE_STAGES | |
111 | #undef PIPELINE_STAGE | |
091e3af9 JP |
112 | }; |
113 | ||
6bb4a18e JP |
114 | /* Due to various hard-coded priorities need to implement ACLs, the |
115 | * northbound database supports a smaller range of ACL priorities than | |
116 | * are available to logical flows. This value is added to an ACL | |
117 | * priority to determine the ACL's logical flow priority. */ | |
118 | #define OVN_ACL_PRI_OFFSET 1000 | |
119 | ||
880fcd14 BP |
120 | /* Returns an "enum ovn_stage" built from the arguments. */ |
121 | static enum ovn_stage | |
122 | ovn_stage_build(enum ovn_datapath_type dp_type, enum ovn_pipeline pipeline, | |
123 | uint8_t table) | |
124 | { | |
125 | return OVN_STAGE_BUILD(dp_type, pipeline, table); | |
126 | } | |
127 | ||
128 | /* Returns the pipeline to which 'stage' belongs. */ | |
129 | static enum ovn_pipeline | |
130 | ovn_stage_get_pipeline(enum ovn_stage stage) | |
131 | { | |
132 | return (stage >> 8) & 1; | |
133 | } | |
134 | ||
135 | /* Returns the table to which 'stage' belongs. */ | |
136 | static uint8_t | |
137 | ovn_stage_get_table(enum ovn_stage stage) | |
138 | { | |
139 | return stage & 0xff; | |
140 | } | |
141 | ||
142 | /* Returns a string name for 'stage'. */ | |
143 | static const char * | |
144 | ovn_stage_to_str(enum ovn_stage stage) | |
145 | { | |
146 | switch (stage) { | |
147 | #define PIPELINE_STAGE(DP_TYPE, PIPELINE, STAGE, TABLE, NAME) \ | |
148 | case S_##DP_TYPE##_##PIPELINE##_##STAGE: return NAME; | |
149 | PIPELINE_STAGES | |
150 | #undef PIPELINE_STAGE | |
151 | default: return "<unknown>"; | |
152 | } | |
153 | } | |
154 | \f | |
ac0630a2 RB |
155 | static void |
156 | usage(void) | |
157 | { | |
158 | printf("\ | |
159 | %s: OVN northbound management daemon\n\ | |
160 | usage: %s [OPTIONS]\n\ | |
161 | \n\ | |
162 | Options:\n\ | |
163 | --ovnnb-db=DATABASE connect to ovn-nb database at DATABASE\n\ | |
164 | (default: %s)\n\ | |
ec78987f | 165 | --ovnsb-db=DATABASE connect to ovn-sb database at DATABASE\n\ |
ac0630a2 RB |
166 | (default: %s)\n\ |
167 | -h, --help display this help message\n\ | |
168 | -o, --options list available options\n\ | |
169 | -V, --version display version information\n\ | |
170 | ", program_name, program_name, default_db(), default_db()); | |
67d9b930 | 171 | daemon_usage(); |
ac0630a2 RB |
172 | vlog_usage(); |
173 | stream_usage("database", true, true, false); | |
174 | } | |
175 | \f | |
5868eb24 BP |
176 | struct tnlid_node { |
177 | struct hmap_node hmap_node; | |
178 | uint32_t tnlid; | |
179 | }; | |
180 | ||
181 | static void | |
182 | destroy_tnlids(struct hmap *tnlids) | |
4edcdcf4 | 183 | { |
5868eb24 BP |
184 | struct tnlid_node *node, *next; |
185 | HMAP_FOR_EACH_SAFE (node, next, hmap_node, tnlids) { | |
186 | hmap_remove(tnlids, &node->hmap_node); | |
187 | free(node); | |
188 | } | |
189 | hmap_destroy(tnlids); | |
190 | } | |
191 | ||
192 | static void | |
193 | add_tnlid(struct hmap *set, uint32_t tnlid) | |
194 | { | |
195 | struct tnlid_node *node = xmalloc(sizeof *node); | |
196 | hmap_insert(set, &node->hmap_node, hash_int(tnlid, 0)); | |
197 | node->tnlid = tnlid; | |
4edcdcf4 RB |
198 | } |
199 | ||
4edcdcf4 | 200 | static bool |
5868eb24 | 201 | tnlid_in_use(const struct hmap *set, uint32_t tnlid) |
4edcdcf4 | 202 | { |
5868eb24 BP |
203 | const struct tnlid_node *node; |
204 | HMAP_FOR_EACH_IN_BUCKET (node, hmap_node, hash_int(tnlid, 0), set) { | |
205 | if (node->tnlid == tnlid) { | |
206 | return true; | |
207 | } | |
208 | } | |
209 | return false; | |
210 | } | |
4edcdcf4 | 211 | |
5868eb24 BP |
212 | static uint32_t |
213 | allocate_tnlid(struct hmap *set, const char *name, uint32_t max, | |
214 | uint32_t *hint) | |
215 | { | |
216 | for (uint32_t tnlid = *hint + 1; tnlid != *hint; | |
217 | tnlid = tnlid + 1 <= max ? tnlid + 1 : 1) { | |
218 | if (!tnlid_in_use(set, tnlid)) { | |
219 | add_tnlid(set, tnlid); | |
220 | *hint = tnlid; | |
221 | return tnlid; | |
222 | } | |
4edcdcf4 RB |
223 | } |
224 | ||
5868eb24 BP |
225 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); |
226 | VLOG_WARN_RL(&rl, "all %s tunnel ids exhausted", name); | |
227 | return 0; | |
228 | } | |
229 | \f | |
9975d7be BP |
230 | /* The 'key' comes from nbs->header_.uuid or nbr->header_.uuid or |
231 | * sb->external_ids:logical-switch. */ | |
5868eb24 BP |
232 | struct ovn_datapath { |
233 | struct hmap_node key_node; /* Index on 'key'. */ | |
9975d7be | 234 | struct uuid key; /* (nbs/nbr)->header_.uuid. */ |
4edcdcf4 | 235 | |
9975d7be BP |
236 | const struct nbrec_logical_switch *nbs; /* May be NULL. */ |
237 | const struct nbrec_logical_router *nbr; /* May be NULL. */ | |
5868eb24 | 238 | const struct sbrec_datapath_binding *sb; /* May be NULL. */ |
4edcdcf4 | 239 | |
5868eb24 | 240 | struct ovs_list list; /* In list of similar records. */ |
4edcdcf4 | 241 | |
9975d7be BP |
242 | /* Logical router data (digested from nbr). */ |
243 | ovs_be32 gateway; | |
244 | ||
245 | /* Logical switch data. */ | |
86e98048 BP |
246 | struct ovn_port **router_ports; |
247 | size_t n_router_ports; | |
9975d7be | 248 | |
5868eb24 BP |
249 | struct hmap port_tnlids; |
250 | uint32_t port_key_hint; | |
251 | ||
252 | bool has_unknown; | |
253 | }; | |
254 | ||
255 | static struct ovn_datapath * | |
256 | ovn_datapath_create(struct hmap *datapaths, const struct uuid *key, | |
9975d7be BP |
257 | const struct nbrec_logical_switch *nbs, |
258 | const struct nbrec_logical_router *nbr, | |
5868eb24 BP |
259 | const struct sbrec_datapath_binding *sb) |
260 | { | |
261 | struct ovn_datapath *od = xzalloc(sizeof *od); | |
262 | od->key = *key; | |
263 | od->sb = sb; | |
9975d7be BP |
264 | od->nbs = nbs; |
265 | od->nbr = nbr; | |
5868eb24 BP |
266 | hmap_init(&od->port_tnlids); |
267 | od->port_key_hint = 0; | |
268 | hmap_insert(datapaths, &od->key_node, uuid_hash(&od->key)); | |
269 | return od; | |
270 | } | |
271 | ||
272 | static void | |
273 | ovn_datapath_destroy(struct hmap *datapaths, struct ovn_datapath *od) | |
274 | { | |
275 | if (od) { | |
276 | /* Don't remove od->list. It is used within build_datapaths() as a | |
277 | * private list and once we've exited that function it is not safe to | |
278 | * use it. */ | |
279 | hmap_remove(datapaths, &od->key_node); | |
280 | destroy_tnlids(&od->port_tnlids); | |
86e98048 | 281 | free(od->router_ports); |
5868eb24 BP |
282 | free(od); |
283 | } | |
284 | } | |
285 | ||
286 | static struct ovn_datapath * | |
287 | ovn_datapath_find(struct hmap *datapaths, const struct uuid *uuid) | |
288 | { | |
289 | struct ovn_datapath *od; | |
290 | ||
291 | HMAP_FOR_EACH_WITH_HASH (od, key_node, uuid_hash(uuid), datapaths) { | |
292 | if (uuid_equals(uuid, &od->key)) { | |
293 | return od; | |
294 | } | |
295 | } | |
296 | return NULL; | |
297 | } | |
298 | ||
299 | static struct ovn_datapath * | |
300 | ovn_datapath_from_sbrec(struct hmap *datapaths, | |
301 | const struct sbrec_datapath_binding *sb) | |
302 | { | |
303 | struct uuid key; | |
304 | ||
9975d7be BP |
305 | if (!smap_get_uuid(&sb->external_ids, "logical-switch", &key) && |
306 | !smap_get_uuid(&sb->external_ids, "logical-router", &key)) { | |
5868eb24 BP |
307 | return NULL; |
308 | } | |
309 | return ovn_datapath_find(datapaths, &key); | |
310 | } | |
311 | ||
312 | static void | |
313 | join_datapaths(struct northd_context *ctx, struct hmap *datapaths, | |
314 | struct ovs_list *sb_only, struct ovs_list *nb_only, | |
315 | struct ovs_list *both) | |
316 | { | |
317 | hmap_init(datapaths); | |
318 | list_init(sb_only); | |
319 | list_init(nb_only); | |
320 | list_init(both); | |
321 | ||
322 | const struct sbrec_datapath_binding *sb, *sb_next; | |
323 | SBREC_DATAPATH_BINDING_FOR_EACH_SAFE (sb, sb_next, ctx->ovnsb_idl) { | |
324 | struct uuid key; | |
9975d7be BP |
325 | if (!smap_get_uuid(&sb->external_ids, "logical-switch", &key) && |
326 | !smap_get_uuid(&sb->external_ids, "logical-router", &key)) { | |
327 | ovsdb_idl_txn_add_comment( | |
328 | ctx->ovnsb_txn, | |
329 | "deleting Datapath_Binding "UUID_FMT" that lacks " | |
330 | "external-ids:logical-switch and " | |
331 | "external-ids:logical-router", | |
332 | UUID_ARGS(&sb->header_.uuid)); | |
5868eb24 BP |
333 | sbrec_datapath_binding_delete(sb); |
334 | continue; | |
335 | } | |
336 | ||
337 | if (ovn_datapath_find(datapaths, &key)) { | |
338 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1); | |
9975d7be BP |
339 | VLOG_INFO_RL( |
340 | &rl, "deleting Datapath_Binding "UUID_FMT" with " | |
341 | "duplicate external-ids:logical-switch/router "UUID_FMT, | |
342 | UUID_ARGS(&sb->header_.uuid), UUID_ARGS(&key)); | |
5868eb24 BP |
343 | sbrec_datapath_binding_delete(sb); |
344 | continue; | |
345 | } | |
346 | ||
347 | struct ovn_datapath *od = ovn_datapath_create(datapaths, &key, | |
9975d7be | 348 | NULL, NULL, sb); |
5868eb24 BP |
349 | list_push_back(sb_only, &od->list); |
350 | } | |
351 | ||
9975d7be BP |
352 | const struct nbrec_logical_switch *nbs; |
353 | NBREC_LOGICAL_SWITCH_FOR_EACH (nbs, ctx->ovnnb_idl) { | |
5868eb24 | 354 | struct ovn_datapath *od = ovn_datapath_find(datapaths, |
9975d7be | 355 | &nbs->header_.uuid); |
5868eb24 | 356 | if (od) { |
9975d7be | 357 | od->nbs = nbs; |
5868eb24 BP |
358 | list_remove(&od->list); |
359 | list_push_back(both, &od->list); | |
360 | } else { | |
9975d7be BP |
361 | od = ovn_datapath_create(datapaths, &nbs->header_.uuid, |
362 | nbs, NULL, NULL); | |
5868eb24 BP |
363 | list_push_back(nb_only, &od->list); |
364 | } | |
365 | } | |
9975d7be BP |
366 | |
367 | const struct nbrec_logical_router *nbr; | |
368 | NBREC_LOGICAL_ROUTER_FOR_EACH (nbr, ctx->ovnnb_idl) { | |
369 | struct ovn_datapath *od = ovn_datapath_find(datapaths, | |
370 | &nbr->header_.uuid); | |
371 | if (od) { | |
372 | if (!od->nbs) { | |
373 | od->nbr = nbr; | |
374 | list_remove(&od->list); | |
375 | list_push_back(both, &od->list); | |
376 | } else { | |
377 | /* Can't happen! */ | |
378 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1); | |
379 | VLOG_WARN_RL(&rl, | |
380 | "duplicate UUID "UUID_FMT" in OVN_Northbound", | |
381 | UUID_ARGS(&nbr->header_.uuid)); | |
382 | continue; | |
383 | } | |
384 | } else { | |
385 | od = ovn_datapath_create(datapaths, &nbr->header_.uuid, | |
386 | NULL, nbr, NULL); | |
387 | list_push_back(nb_only, &od->list); | |
388 | } | |
389 | ||
390 | od->gateway = 0; | |
391 | if (nbr->default_gw) { | |
392 | ovs_be32 ip, mask; | |
393 | char *error = ip_parse_masked(nbr->default_gw, &ip, &mask); | |
394 | if (error || !ip || mask != OVS_BE32_MAX) { | |
395 | static struct vlog_rate_limit rl | |
396 | = VLOG_RATE_LIMIT_INIT(5, 1); | |
397 | VLOG_WARN_RL(&rl, "bad 'gateway' %s", nbr->default_gw); | |
398 | free(error); | |
399 | } else { | |
400 | od->gateway = ip; | |
401 | } | |
402 | } | |
403 | } | |
5868eb24 BP |
404 | } |
405 | ||
406 | static uint32_t | |
407 | ovn_datapath_allocate_key(struct hmap *dp_tnlids) | |
408 | { | |
409 | static uint32_t hint; | |
410 | return allocate_tnlid(dp_tnlids, "datapath", (1u << 24) - 1, &hint); | |
411 | } | |
412 | ||
413 | static void | |
414 | build_datapaths(struct northd_context *ctx, struct hmap *datapaths) | |
415 | { | |
416 | struct ovs_list sb_only, nb_only, both; | |
417 | ||
418 | join_datapaths(ctx, datapaths, &sb_only, &nb_only, &both); | |
419 | ||
420 | if (!list_is_empty(&nb_only)) { | |
421 | /* First index the in-use datapath tunnel IDs. */ | |
422 | struct hmap dp_tnlids = HMAP_INITIALIZER(&dp_tnlids); | |
423 | struct ovn_datapath *od; | |
424 | LIST_FOR_EACH (od, list, &both) { | |
425 | add_tnlid(&dp_tnlids, od->sb->tunnel_key); | |
426 | } | |
427 | ||
428 | /* Add southbound record for each unmatched northbound record. */ | |
429 | LIST_FOR_EACH (od, list, &nb_only) { | |
430 | uint16_t tunnel_key = ovn_datapath_allocate_key(&dp_tnlids); | |
431 | if (!tunnel_key) { | |
432 | break; | |
433 | } | |
434 | ||
435 | od->sb = sbrec_datapath_binding_insert(ctx->ovnsb_txn); | |
436 | ||
5868eb24 | 437 | char uuid_s[UUID_LEN + 1]; |
9975d7be BP |
438 | sprintf(uuid_s, UUID_FMT, UUID_ARGS(&od->key)); |
439 | const char *key = od->nbs ? "logical-switch" : "logical-router"; | |
440 | const struct smap id = SMAP_CONST1(&id, key, uuid_s); | |
aaf881c6 | 441 | sbrec_datapath_binding_set_external_ids(od->sb, &id); |
5868eb24 BP |
442 | |
443 | sbrec_datapath_binding_set_tunnel_key(od->sb, tunnel_key); | |
444 | } | |
445 | destroy_tnlids(&dp_tnlids); | |
446 | } | |
447 | ||
448 | /* Delete southbound records without northbound matches. */ | |
449 | struct ovn_datapath *od, *next; | |
450 | LIST_FOR_EACH_SAFE (od, next, list, &sb_only) { | |
451 | list_remove(&od->list); | |
452 | sbrec_datapath_binding_delete(od->sb); | |
453 | ovn_datapath_destroy(datapaths, od); | |
454 | } | |
455 | } | |
456 | \f | |
457 | struct ovn_port { | |
458 | struct hmap_node key_node; /* Index on 'key'. */ | |
9975d7be BP |
459 | char *key; /* nbs->name, nbr->name, sb->logical_port. */ |
460 | char *json_key; /* 'key', quoted for use in JSON. */ | |
5868eb24 | 461 | |
9975d7be BP |
462 | const struct nbrec_logical_port *nbs; /* May be NULL. */ |
463 | const struct nbrec_logical_router_port *nbr; /* May be NULL. */ | |
464 | const struct sbrec_port_binding *sb; /* May be NULL. */ | |
465 | ||
466 | /* Logical router port data. */ | |
467 | ovs_be32 ip, mask; /* 192.168.10.123/24. */ | |
468 | ovs_be32 network; /* 192.168.10.0. */ | |
469 | ovs_be32 bcast; /* 192.168.10.255. */ | |
470 | struct eth_addr mac; | |
471 | struct ovn_port *peer; | |
5868eb24 BP |
472 | |
473 | struct ovn_datapath *od; | |
474 | ||
475 | struct ovs_list list; /* In list of similar records. */ | |
476 | }; | |
477 | ||
478 | static struct ovn_port * | |
479 | ovn_port_create(struct hmap *ports, const char *key, | |
9975d7be BP |
480 | const struct nbrec_logical_port *nbs, |
481 | const struct nbrec_logical_router_port *nbr, | |
5868eb24 BP |
482 | const struct sbrec_port_binding *sb) |
483 | { | |
484 | struct ovn_port *op = xzalloc(sizeof *op); | |
9975d7be BP |
485 | |
486 | struct ds json_key = DS_EMPTY_INITIALIZER; | |
487 | json_string_escape(key, &json_key); | |
488 | op->json_key = ds_steal_cstr(&json_key); | |
489 | ||
490 | op->key = xstrdup(key); | |
5868eb24 | 491 | op->sb = sb; |
9975d7be BP |
492 | op->nbs = nbs; |
493 | op->nbr = nbr; | |
5868eb24 BP |
494 | hmap_insert(ports, &op->key_node, hash_string(op->key, 0)); |
495 | return op; | |
496 | } | |
497 | ||
498 | static void | |
499 | ovn_port_destroy(struct hmap *ports, struct ovn_port *port) | |
500 | { | |
501 | if (port) { | |
502 | /* Don't remove port->list. It is used within build_ports() as a | |
503 | * private list and once we've exited that function it is not safe to | |
504 | * use it. */ | |
505 | hmap_remove(ports, &port->key_node); | |
9975d7be BP |
506 | free(port->json_key); |
507 | free(port->key); | |
5868eb24 BP |
508 | free(port); |
509 | } | |
510 | } | |
511 | ||
512 | static struct ovn_port * | |
513 | ovn_port_find(struct hmap *ports, const char *name) | |
514 | { | |
515 | struct ovn_port *op; | |
516 | ||
517 | HMAP_FOR_EACH_WITH_HASH (op, key_node, hash_string(name, 0), ports) { | |
518 | if (!strcmp(op->key, name)) { | |
519 | return op; | |
520 | } | |
521 | } | |
522 | return NULL; | |
523 | } | |
524 | ||
525 | static uint32_t | |
526 | ovn_port_allocate_key(struct ovn_datapath *od) | |
527 | { | |
528 | return allocate_tnlid(&od->port_tnlids, "port", | |
529 | (1u << 15) - 1, &od->port_key_hint); | |
530 | } | |
531 | ||
532 | static void | |
533 | join_logical_ports(struct northd_context *ctx, | |
534 | struct hmap *datapaths, struct hmap *ports, | |
535 | struct ovs_list *sb_only, struct ovs_list *nb_only, | |
536 | struct ovs_list *both) | |
537 | { | |
538 | hmap_init(ports); | |
539 | list_init(sb_only); | |
540 | list_init(nb_only); | |
541 | list_init(both); | |
542 | ||
543 | const struct sbrec_port_binding *sb; | |
544 | SBREC_PORT_BINDING_FOR_EACH (sb, ctx->ovnsb_idl) { | |
545 | struct ovn_port *op = ovn_port_create(ports, sb->logical_port, | |
9975d7be | 546 | NULL, NULL, sb); |
5868eb24 BP |
547 | list_push_back(sb_only, &op->list); |
548 | } | |
549 | ||
550 | struct ovn_datapath *od; | |
551 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
9975d7be BP |
552 | if (od->nbs) { |
553 | for (size_t i = 0; i < od->nbs->n_ports; i++) { | |
554 | const struct nbrec_logical_port *nbs = od->nbs->ports[i]; | |
555 | struct ovn_port *op = ovn_port_find(ports, nbs->name); | |
556 | if (op) { | |
557 | if (op->nbs || op->nbr) { | |
558 | static struct vlog_rate_limit rl | |
559 | = VLOG_RATE_LIMIT_INIT(5, 1); | |
560 | VLOG_WARN_RL(&rl, "duplicate logical port %s", | |
561 | nbs->name); | |
562 | continue; | |
563 | } | |
564 | op->nbs = nbs; | |
565 | list_remove(&op->list); | |
566 | list_push_back(both, &op->list); | |
567 | } else { | |
568 | op = ovn_port_create(ports, nbs->name, nbs, NULL, NULL); | |
569 | list_push_back(nb_only, &op->list); | |
570 | } | |
571 | ||
572 | op->od = od; | |
573 | } | |
574 | } else { | |
575 | for (size_t i = 0; i < od->nbr->n_ports; i++) { | |
576 | const struct nbrec_logical_router_port *nbr | |
577 | = od->nbr->ports[i]; | |
578 | ||
579 | struct eth_addr mac; | |
580 | if (!eth_addr_from_string(nbr->mac, &mac)) { | |
581 | static struct vlog_rate_limit rl | |
582 | = VLOG_RATE_LIMIT_INIT(5, 1); | |
583 | VLOG_WARN_RL(&rl, "bad 'mac' %s", nbr->mac); | |
584 | continue; | |
585 | } | |
586 | ||
587 | ovs_be32 ip, mask; | |
588 | char *error = ip_parse_masked(nbr->network, &ip, &mask); | |
589 | if (error || mask == OVS_BE32_MAX || !ip_is_cidr(mask)) { | |
590 | static struct vlog_rate_limit rl | |
591 | = VLOG_RATE_LIMIT_INIT(5, 1); | |
592 | VLOG_WARN_RL(&rl, "bad 'network' %s", nbr->network); | |
593 | free(error); | |
594 | continue; | |
595 | } | |
596 | ||
00007447 | 597 | struct ovn_port *op = ovn_port_find(ports, nbr->name); |
9975d7be BP |
598 | if (op) { |
599 | if (op->nbs || op->nbr) { | |
600 | static struct vlog_rate_limit rl | |
601 | = VLOG_RATE_LIMIT_INIT(5, 1); | |
602 | VLOG_WARN_RL(&rl, "duplicate logical router port %s", | |
00007447 | 603 | nbr->name); |
9975d7be BP |
604 | continue; |
605 | } | |
606 | op->nbr = nbr; | |
607 | list_remove(&op->list); | |
608 | list_push_back(both, &op->list); | |
609 | } else { | |
00007447 | 610 | op = ovn_port_create(ports, nbr->name, NULL, nbr, NULL); |
9975d7be BP |
611 | list_push_back(nb_only, &op->list); |
612 | } | |
613 | ||
614 | op->ip = ip; | |
615 | op->mask = mask; | |
616 | op->network = ip & mask; | |
617 | op->bcast = ip | ~mask; | |
618 | op->mac = mac; | |
619 | ||
620 | op->od = od; | |
5868eb24 | 621 | } |
9975d7be BP |
622 | } |
623 | } | |
624 | ||
625 | /* Connect logical router ports, and logical switch ports of type "router", | |
626 | * to their peers. */ | |
627 | struct ovn_port *op; | |
628 | HMAP_FOR_EACH (op, key_node, ports) { | |
629 | if (op->nbs && !strcmp(op->nbs->type, "router")) { | |
630 | const char *peer_name = smap_get(&op->nbs->options, "router-port"); | |
631 | if (!peer_name) { | |
632 | continue; | |
633 | } | |
634 | ||
635 | struct ovn_port *peer = ovn_port_find(ports, peer_name); | |
636 | if (!peer || !peer->nbr) { | |
637 | continue; | |
638 | } | |
639 | ||
640 | peer->peer = op; | |
641 | op->peer = peer; | |
86e98048 BP |
642 | op->od->router_ports = xrealloc( |
643 | op->od->router_ports, | |
644 | sizeof *op->od->router_ports * (op->od->n_router_ports + 1)); | |
645 | op->od->router_ports[op->od->n_router_ports++] = op; | |
9975d7be | 646 | } else if (op->nbr && op->nbr->peer) { |
00007447 | 647 | op->peer = ovn_port_find(ports, op->nbr->name); |
5868eb24 BP |
648 | } |
649 | } | |
650 | } | |
651 | ||
652 | static void | |
653 | ovn_port_update_sbrec(const struct ovn_port *op) | |
654 | { | |
655 | sbrec_port_binding_set_datapath(op->sb, op->od->sb); | |
9975d7be BP |
656 | if (op->nbr) { |
657 | sbrec_port_binding_set_type(op->sb, "patch"); | |
658 | ||
659 | const char *peer = op->peer ? op->peer->key : "<error>"; | |
660 | const struct smap ids = SMAP_CONST1(&ids, "peer", peer); | |
661 | sbrec_port_binding_set_options(op->sb, &ids); | |
662 | ||
663 | sbrec_port_binding_set_parent_port(op->sb, NULL); | |
664 | sbrec_port_binding_set_tag(op->sb, NULL, 0); | |
665 | sbrec_port_binding_set_mac(op->sb, NULL, 0); | |
666 | } else { | |
667 | if (strcmp(op->nbs->type, "router")) { | |
668 | sbrec_port_binding_set_type(op->sb, op->nbs->type); | |
669 | sbrec_port_binding_set_options(op->sb, &op->nbs->options); | |
670 | } else { | |
671 | sbrec_port_binding_set_type(op->sb, "patch"); | |
672 | ||
673 | const char *router_port = smap_get(&op->nbs->options, | |
674 | "router-port"); | |
675 | if (!router_port) { | |
676 | router_port = "<error>"; | |
677 | } | |
678 | const struct smap ids = SMAP_CONST1(&ids, "peer", router_port); | |
679 | sbrec_port_binding_set_options(op->sb, &ids); | |
680 | } | |
681 | sbrec_port_binding_set_parent_port(op->sb, op->nbs->parent_name); | |
682 | sbrec_port_binding_set_tag(op->sb, op->nbs->tag, op->nbs->n_tag); | |
683 | sbrec_port_binding_set_mac(op->sb, (const char **) op->nbs->addresses, | |
684 | op->nbs->n_addresses); | |
685 | } | |
5868eb24 BP |
686 | } |
687 | ||
688 | static void | |
689 | build_ports(struct northd_context *ctx, struct hmap *datapaths, | |
690 | struct hmap *ports) | |
691 | { | |
692 | struct ovs_list sb_only, nb_only, both; | |
693 | ||
694 | join_logical_ports(ctx, datapaths, ports, &sb_only, &nb_only, &both); | |
695 | ||
696 | /* For logical ports that are in both databases, update the southbound | |
697 | * record based on northbound data. Also index the in-use tunnel_keys. */ | |
698 | struct ovn_port *op, *next; | |
699 | LIST_FOR_EACH_SAFE (op, next, list, &both) { | |
700 | ovn_port_update_sbrec(op); | |
701 | ||
702 | add_tnlid(&op->od->port_tnlids, op->sb->tunnel_key); | |
703 | if (op->sb->tunnel_key > op->od->port_key_hint) { | |
704 | op->od->port_key_hint = op->sb->tunnel_key; | |
705 | } | |
706 | } | |
707 | ||
708 | /* Add southbound record for each unmatched northbound record. */ | |
709 | LIST_FOR_EACH_SAFE (op, next, list, &nb_only) { | |
710 | uint16_t tunnel_key = ovn_port_allocate_key(op->od); | |
711 | if (!tunnel_key) { | |
712 | continue; | |
713 | } | |
714 | ||
715 | op->sb = sbrec_port_binding_insert(ctx->ovnsb_txn); | |
716 | ovn_port_update_sbrec(op); | |
717 | ||
718 | sbrec_port_binding_set_logical_port(op->sb, op->key); | |
719 | sbrec_port_binding_set_tunnel_key(op->sb, tunnel_key); | |
720 | } | |
721 | ||
722 | /* Delete southbound records without northbound matches. */ | |
723 | LIST_FOR_EACH_SAFE(op, next, list, &sb_only) { | |
724 | list_remove(&op->list); | |
725 | sbrec_port_binding_delete(op->sb); | |
726 | ovn_port_destroy(ports, op); | |
727 | } | |
728 | } | |
729 | \f | |
730 | #define OVN_MIN_MULTICAST 32768 | |
731 | #define OVN_MAX_MULTICAST 65535 | |
732 | ||
733 | struct multicast_group { | |
734 | const char *name; | |
735 | uint16_t key; /* OVN_MIN_MULTICAST...OVN_MAX_MULTICAST. */ | |
736 | }; | |
737 | ||
738 | #define MC_FLOOD "_MC_flood" | |
739 | static const struct multicast_group mc_flood = { MC_FLOOD, 65535 }; | |
740 | ||
741 | #define MC_UNKNOWN "_MC_unknown" | |
742 | static const struct multicast_group mc_unknown = { MC_UNKNOWN, 65534 }; | |
743 | ||
744 | static bool | |
745 | multicast_group_equal(const struct multicast_group *a, | |
746 | const struct multicast_group *b) | |
747 | { | |
748 | return !strcmp(a->name, b->name) && a->key == b->key; | |
749 | } | |
750 | ||
751 | /* Multicast group entry. */ | |
752 | struct ovn_multicast { | |
753 | struct hmap_node hmap_node; /* Index on 'datapath' and 'key'. */ | |
754 | struct ovn_datapath *datapath; | |
755 | const struct multicast_group *group; | |
756 | ||
757 | struct ovn_port **ports; | |
758 | size_t n_ports, allocated_ports; | |
759 | }; | |
760 | ||
761 | static uint32_t | |
762 | ovn_multicast_hash(const struct ovn_datapath *datapath, | |
763 | const struct multicast_group *group) | |
764 | { | |
765 | return hash_pointer(datapath, group->key); | |
766 | } | |
767 | ||
768 | static struct ovn_multicast * | |
769 | ovn_multicast_find(struct hmap *mcgroups, struct ovn_datapath *datapath, | |
770 | const struct multicast_group *group) | |
771 | { | |
772 | struct ovn_multicast *mc; | |
773 | ||
774 | HMAP_FOR_EACH_WITH_HASH (mc, hmap_node, | |
775 | ovn_multicast_hash(datapath, group), mcgroups) { | |
776 | if (mc->datapath == datapath | |
777 | && multicast_group_equal(mc->group, group)) { | |
778 | return mc; | |
4edcdcf4 RB |
779 | } |
780 | } | |
5868eb24 BP |
781 | return NULL; |
782 | } | |
783 | ||
784 | static void | |
785 | ovn_multicast_add(struct hmap *mcgroups, const struct multicast_group *group, | |
786 | struct ovn_port *port) | |
787 | { | |
788 | struct ovn_datapath *od = port->od; | |
789 | struct ovn_multicast *mc = ovn_multicast_find(mcgroups, od, group); | |
790 | if (!mc) { | |
791 | mc = xmalloc(sizeof *mc); | |
792 | hmap_insert(mcgroups, &mc->hmap_node, ovn_multicast_hash(od, group)); | |
793 | mc->datapath = od; | |
794 | mc->group = group; | |
795 | mc->n_ports = 0; | |
796 | mc->allocated_ports = 4; | |
797 | mc->ports = xmalloc(mc->allocated_ports * sizeof *mc->ports); | |
798 | } | |
799 | if (mc->n_ports >= mc->allocated_ports) { | |
800 | mc->ports = x2nrealloc(mc->ports, &mc->allocated_ports, | |
801 | sizeof *mc->ports); | |
802 | } | |
803 | mc->ports[mc->n_ports++] = port; | |
804 | } | |
4edcdcf4 | 805 | |
5868eb24 BP |
806 | static void |
807 | ovn_multicast_destroy(struct hmap *mcgroups, struct ovn_multicast *mc) | |
808 | { | |
809 | if (mc) { | |
810 | hmap_remove(mcgroups, &mc->hmap_node); | |
811 | free(mc->ports); | |
812 | free(mc); | |
813 | } | |
814 | } | |
4edcdcf4 | 815 | |
5868eb24 BP |
816 | static void |
817 | ovn_multicast_update_sbrec(const struct ovn_multicast *mc, | |
818 | const struct sbrec_multicast_group *sb) | |
819 | { | |
820 | struct sbrec_port_binding **ports = xmalloc(mc->n_ports * sizeof *ports); | |
821 | for (size_t i = 0; i < mc->n_ports; i++) { | |
822 | ports[i] = CONST_CAST(struct sbrec_port_binding *, mc->ports[i]->sb); | |
823 | } | |
824 | sbrec_multicast_group_set_ports(sb, ports, mc->n_ports); | |
825 | free(ports); | |
4edcdcf4 | 826 | } |
bd39395f | 827 | \f |
48605550 | 828 | /* Logical flow generation. |
bd39395f | 829 | * |
48605550 | 830 | * This code generates the Logical_Flow table in the southbound database, as a |
bd39395f BP |
831 | * function of most of the northbound database. |
832 | */ | |
833 | ||
5868eb24 BP |
834 | struct ovn_lflow { |
835 | struct hmap_node hmap_node; | |
bd39395f | 836 | |
5868eb24 | 837 | struct ovn_datapath *od; |
880fcd14 | 838 | enum ovn_stage stage; |
5868eb24 BP |
839 | uint16_t priority; |
840 | char *match; | |
841 | char *actions; | |
bd39395f BP |
842 | }; |
843 | ||
844 | static size_t | |
5868eb24 | 845 | ovn_lflow_hash(const struct ovn_lflow *lflow) |
bd39395f | 846 | { |
5868eb24 | 847 | size_t hash = uuid_hash(&lflow->od->key); |
880fcd14 | 848 | hash = hash_2words((lflow->stage << 16) | lflow->priority, hash); |
5868eb24 BP |
849 | hash = hash_string(lflow->match, hash); |
850 | return hash_string(lflow->actions, hash); | |
bd39395f BP |
851 | } |
852 | ||
5868eb24 BP |
853 | static bool |
854 | ovn_lflow_equal(const struct ovn_lflow *a, const struct ovn_lflow *b) | |
855 | { | |
856 | return (a->od == b->od | |
880fcd14 | 857 | && a->stage == b->stage |
5868eb24 BP |
858 | && a->priority == b->priority |
859 | && !strcmp(a->match, b->match) | |
860 | && !strcmp(a->actions, b->actions)); | |
861 | } | |
862 | ||
863 | static void | |
864 | ovn_lflow_init(struct ovn_lflow *lflow, struct ovn_datapath *od, | |
880fcd14 | 865 | enum ovn_stage stage, uint16_t priority, |
5868eb24 | 866 | char *match, char *actions) |
bd39395f | 867 | { |
5868eb24 | 868 | lflow->od = od; |
880fcd14 | 869 | lflow->stage = stage; |
5868eb24 BP |
870 | lflow->priority = priority; |
871 | lflow->match = match; | |
872 | lflow->actions = actions; | |
bd39395f BP |
873 | } |
874 | ||
48605550 | 875 | /* Adds a row with the specified contents to the Logical_Flow table. */ |
bd39395f | 876 | static void |
5868eb24 | 877 | ovn_lflow_add(struct hmap *lflow_map, struct ovn_datapath *od, |
880fcd14 | 878 | enum ovn_stage stage, uint16_t priority, |
5868eb24 BP |
879 | const char *match, const char *actions) |
880 | { | |
881 | struct ovn_lflow *lflow = xmalloc(sizeof *lflow); | |
880fcd14 | 882 | ovn_lflow_init(lflow, od, stage, priority, |
5868eb24 BP |
883 | xstrdup(match), xstrdup(actions)); |
884 | hmap_insert(lflow_map, &lflow->hmap_node, ovn_lflow_hash(lflow)); | |
885 | } | |
886 | ||
887 | static struct ovn_lflow * | |
888 | ovn_lflow_find(struct hmap *lflows, struct ovn_datapath *od, | |
880fcd14 | 889 | enum ovn_stage stage, uint16_t priority, |
5868eb24 BP |
890 | const char *match, const char *actions) |
891 | { | |
892 | struct ovn_lflow target; | |
880fcd14 | 893 | ovn_lflow_init(&target, od, stage, priority, |
5868eb24 BP |
894 | CONST_CAST(char *, match), CONST_CAST(char *, actions)); |
895 | ||
896 | struct ovn_lflow *lflow; | |
897 | HMAP_FOR_EACH_WITH_HASH (lflow, hmap_node, ovn_lflow_hash(&target), | |
898 | lflows) { | |
899 | if (ovn_lflow_equal(lflow, &target)) { | |
900 | return lflow; | |
bd39395f BP |
901 | } |
902 | } | |
5868eb24 BP |
903 | return NULL; |
904 | } | |
bd39395f | 905 | |
5868eb24 BP |
906 | static void |
907 | ovn_lflow_destroy(struct hmap *lflows, struct ovn_lflow *lflow) | |
908 | { | |
909 | if (lflow) { | |
910 | hmap_remove(lflows, &lflow->hmap_node); | |
911 | free(lflow->match); | |
912 | free(lflow->actions); | |
913 | free(lflow); | |
914 | } | |
bd39395f BP |
915 | } |
916 | ||
bd39395f BP |
917 | /* Appends port security constraints on L2 address field 'eth_addr_field' |
918 | * (e.g. "eth.src" or "eth.dst") to 'match'. 'port_security', with | |
919 | * 'n_port_security' elements, is the collection of port_security constraints | |
f7cb14cd | 920 | * from an OVN_NB Logical_Port row. */ |
bd39395f BP |
921 | static void |
922 | build_port_security(const char *eth_addr_field, | |
923 | char **port_security, size_t n_port_security, | |
924 | struct ds *match) | |
925 | { | |
926 | size_t base_len = match->length; | |
927 | ds_put_format(match, " && %s == {", eth_addr_field); | |
928 | ||
929 | size_t n = 0; | |
930 | for (size_t i = 0; i < n_port_security; i++) { | |
74ff3298 | 931 | struct eth_addr ea; |
f7cb14cd | 932 | |
74ff3298 | 933 | if (eth_addr_from_string(port_security[i], &ea)) { |
f7cb14cd | 934 | ds_put_format(match, ETH_ADDR_FMT, ETH_ADDR_ARGS(ea)); |
bd39395f BP |
935 | ds_put_char(match, ' '); |
936 | n++; | |
937 | } | |
938 | } | |
f7cb14cd | 939 | ds_chomp(match, ' '); |
bd39395f | 940 | ds_put_cstr(match, "}"); |
4edcdcf4 | 941 | |
bd39395f BP |
942 | if (!n) { |
943 | match->length = base_len; | |
944 | } | |
945 | } | |
946 | ||
95a9a275 RB |
947 | static bool |
948 | lport_is_enabled(const struct nbrec_logical_port *lport) | |
949 | { | |
950 | return !lport->enabled || *lport->enabled; | |
951 | } | |
952 | ||
78aab811 JP |
953 | static bool |
954 | has_stateful_acl(struct ovn_datapath *od) | |
955 | { | |
9975d7be BP |
956 | for (size_t i = 0; i < od->nbs->n_acls; i++) { |
957 | struct nbrec_acl *acl = od->nbs->acls[i]; | |
78aab811 JP |
958 | if (!strcmp(acl->action, "allow-related")) { |
959 | return true; | |
960 | } | |
961 | } | |
962 | ||
963 | return false; | |
964 | } | |
965 | ||
966 | static void | |
967 | build_acls(struct ovn_datapath *od, struct hmap *lflows) | |
968 | { | |
969 | bool has_stateful = has_stateful_acl(od); | |
970 | ||
971 | /* Ingress and Egress Pre-ACL Table (Priority 0): Packets are | |
972 | * allowed by default. */ | |
880fcd14 BP |
973 | ovn_lflow_add(lflows, od, S_SWITCH_IN_PRE_ACL, 0, "1", "next;"); |
974 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_PRE_ACL, 0, "1", "next;"); | |
78aab811 JP |
975 | |
976 | /* Ingress and Egress ACL Table (Priority 0): Packets are allowed by | |
977 | * default. A related rule at priority 1 is added below if there | |
978 | * are any stateful ACLs in this datapath. */ | |
880fcd14 BP |
979 | ovn_lflow_add(lflows, od, S_SWITCH_IN_ACL, 0, "1", "next;"); |
980 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_ACL, 0, "1", "next;"); | |
78aab811 JP |
981 | |
982 | /* If there are any stateful ACL rules in this dapapath, we must | |
983 | * send all IP packets through the conntrack action, which handles | |
984 | * defragmentation, in order to match L4 headers. */ | |
985 | if (has_stateful) { | |
986 | /* Ingress and Egress Pre-ACL Table (Priority 100). | |
987 | * | |
988 | * Regardless of whether the ACL is "from-lport" or "to-lport", | |
989 | * we need rules in both the ingress and egress table, because | |
990 | * the return traffic needs to be followed. */ | |
880fcd14 BP |
991 | ovn_lflow_add(lflows, od, S_SWITCH_IN_PRE_ACL, 100, "ip", "ct_next;"); |
992 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_PRE_ACL, 100, "ip", "ct_next;"); | |
78aab811 JP |
993 | |
994 | /* Ingress and Egress ACL Table (Priority 1). | |
995 | * | |
996 | * By default, traffic is allowed. This is partially handled by | |
997 | * the Priority 0 ACL flows added earlier, but we also need to | |
998 | * commit IP flows. This is because, while the initiater's | |
999 | * direction may not have any stateful rules, the server's may | |
1000 | * and then its return traffic would not have an associated | |
1001 | * conntrack entry and would return "+invalid". */ | |
880fcd14 | 1002 | ovn_lflow_add(lflows, od, S_SWITCH_IN_ACL, 1, "ip", |
78aab811 | 1003 | "ct_commit; next;"); |
880fcd14 | 1004 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_ACL, 1, "ip", |
78aab811 JP |
1005 | "ct_commit; next;"); |
1006 | ||
1007 | /* Ingress and Egress ACL Table (Priority 65535). | |
1008 | * | |
1009 | * Always drop traffic that's in an invalid state. This is | |
1010 | * enforced at a higher priority than ACLs can be defined. */ | |
880fcd14 | 1011 | ovn_lflow_add(lflows, od, S_SWITCH_IN_ACL, UINT16_MAX, |
78aab811 | 1012 | "ct.inv", "drop;"); |
880fcd14 | 1013 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_ACL, UINT16_MAX, |
78aab811 JP |
1014 | "ct.inv", "drop;"); |
1015 | ||
1016 | /* Ingress and Egress ACL Table (Priority 65535). | |
1017 | * | |
1018 | * Always allow traffic that is established to a committed | |
1019 | * conntrack entry. This is enforced at a higher priority than | |
1020 | * ACLs can be defined. */ | |
880fcd14 | 1021 | ovn_lflow_add(lflows, od, S_SWITCH_IN_ACL, UINT16_MAX, |
78aab811 JP |
1022 | "ct.est && !ct.rel && !ct.new && !ct.inv", |
1023 | "next;"); | |
880fcd14 | 1024 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_ACL, UINT16_MAX, |
78aab811 JP |
1025 | "ct.est && !ct.rel && !ct.new && !ct.inv", |
1026 | "next;"); | |
1027 | ||
1028 | /* Ingress and Egress ACL Table (Priority 65535). | |
1029 | * | |
1030 | * Always allow traffic that is related to an existing conntrack | |
1031 | * entry. This is enforced at a higher priority than ACLs can | |
1032 | * be defined. | |
1033 | * | |
1034 | * NOTE: This does not support related data sessions (eg, | |
1035 | * a dynamically negotiated FTP data channel), but will allow | |
1036 | * related traffic such as an ICMP Port Unreachable through | |
1037 | * that's generated from a non-listening UDP port. */ | |
880fcd14 | 1038 | ovn_lflow_add(lflows, od, S_SWITCH_IN_ACL, UINT16_MAX, |
78aab811 JP |
1039 | "!ct.est && ct.rel && !ct.new && !ct.inv", |
1040 | "next;"); | |
880fcd14 | 1041 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_ACL, UINT16_MAX, |
78aab811 JP |
1042 | "!ct.est && ct.rel && !ct.new && !ct.inv", |
1043 | "next;"); | |
1044 | } | |
1045 | ||
1046 | /* Ingress or Egress ACL Table (Various priorities). */ | |
9975d7be BP |
1047 | for (size_t i = 0; i < od->nbs->n_acls; i++) { |
1048 | struct nbrec_acl *acl = od->nbs->acls[i]; | |
78aab811 | 1049 | bool ingress = !strcmp(acl->direction, "from-lport") ? true :false; |
880fcd14 | 1050 | enum ovn_stage stage = ingress ? S_SWITCH_IN_ACL : S_SWITCH_OUT_ACL; |
78aab811 JP |
1051 | |
1052 | if (!strcmp(acl->action, "allow")) { | |
1053 | /* If there are any stateful flows, we must even commit "allow" | |
1054 | * actions. This is because, while the initiater's | |
1055 | * direction may not have any stateful rules, the server's | |
1056 | * may and then its return traffic would not have an | |
1057 | * associated conntrack entry and would return "+invalid". */ | |
1058 | const char *actions = has_stateful ? "ct_commit; next;" : "next;"; | |
6bb4a18e JP |
1059 | ovn_lflow_add(lflows, od, stage, |
1060 | acl->priority + OVN_ACL_PRI_OFFSET, | |
78aab811 JP |
1061 | acl->match, actions); |
1062 | } else if (!strcmp(acl->action, "allow-related")) { | |
1063 | struct ds match = DS_EMPTY_INITIALIZER; | |
1064 | ||
1065 | /* Commit the connection tracking entry, which allows all | |
1066 | * other traffic related to this entry to flow due to the | |
1067 | * 65535 priority flow defined earlier. */ | |
1068 | ds_put_format(&match, "ct.new && (%s)", acl->match); | |
6bb4a18e JP |
1069 | ovn_lflow_add(lflows, od, stage, |
1070 | acl->priority + OVN_ACL_PRI_OFFSET, | |
78aab811 JP |
1071 | ds_cstr(&match), "ct_commit; next;"); |
1072 | ||
1073 | ds_destroy(&match); | |
1074 | } else if (!strcmp(acl->action, "drop")) { | |
6bb4a18e JP |
1075 | ovn_lflow_add(lflows, od, stage, |
1076 | acl->priority + OVN_ACL_PRI_OFFSET, | |
78aab811 JP |
1077 | acl->match, "drop;"); |
1078 | } else if (!strcmp(acl->action, "reject")) { | |
1079 | /* xxx Need to support "reject". */ | |
1080 | VLOG_INFO("reject is not a supported action"); | |
6bb4a18e JP |
1081 | ovn_lflow_add(lflows, od, stage, |
1082 | acl->priority + OVN_ACL_PRI_OFFSET, | |
78aab811 JP |
1083 | acl->match, "drop;"); |
1084 | } | |
1085 | } | |
1086 | } | |
1087 | ||
bd39395f | 1088 | static void |
9975d7be BP |
1089 | build_lswitch_flows(struct hmap *datapaths, struct hmap *ports, |
1090 | struct hmap *lflows, struct hmap *mcgroups) | |
bd39395f | 1091 | { |
5cff6b99 BP |
1092 | /* This flow table structure is documented in ovn-northd(8), so please |
1093 | * update ovn-northd.8.xml if you change anything. */ | |
1094 | ||
9975d7be BP |
1095 | /* Build pre-ACL and ACL tables for both ingress and egress. |
1096 | * Ingress tables 1 and 2. Egress tables 0 and 1. */ | |
5868eb24 BP |
1097 | struct ovn_datapath *od; |
1098 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
9975d7be BP |
1099 | if (!od->nbs) { |
1100 | continue; | |
1101 | } | |
1102 | ||
1103 | build_acls(od, lflows); | |
1104 | } | |
1105 | ||
1106 | /* Logical switch ingress table 0: Admission control framework (priority | |
1107 | * 100). */ | |
1108 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
1109 | if (!od->nbs) { | |
1110 | continue; | |
1111 | } | |
1112 | ||
bd39395f | 1113 | /* Logical VLANs not supported. */ |
9975d7be | 1114 | ovn_lflow_add(lflows, od, S_SWITCH_IN_PORT_SEC, 100, "vlan.present", |
091e3af9 | 1115 | "drop;"); |
bd39395f BP |
1116 | |
1117 | /* Broadcast/multicast source address is invalid. */ | |
9975d7be | 1118 | ovn_lflow_add(lflows, od, S_SWITCH_IN_PORT_SEC, 100, "eth.src[40]", |
091e3af9 | 1119 | "drop;"); |
bd39395f | 1120 | |
35060cdc BP |
1121 | /* Port security flows have priority 50 (see below) and will continue |
1122 | * to the next table if packet source is acceptable. */ | |
bd39395f BP |
1123 | } |
1124 | ||
9975d7be | 1125 | /* Logical switch ingress table 0: Ingress port security (priority 50). */ |
5868eb24 BP |
1126 | struct ovn_port *op; |
1127 | HMAP_FOR_EACH (op, key_node, ports) { | |
9975d7be BP |
1128 | if (!op->nbs) { |
1129 | continue; | |
1130 | } | |
1131 | ||
1132 | if (!lport_is_enabled(op->nbs)) { | |
96af668a BP |
1133 | /* Drop packets from disabled logical ports (since logical flow |
1134 | * tables are default-drop). */ | |
1135 | continue; | |
1136 | } | |
1137 | ||
5868eb24 | 1138 | struct ds match = DS_EMPTY_INITIALIZER; |
9975d7be | 1139 | ds_put_format(&match, "inport == %s", op->json_key); |
5868eb24 | 1140 | build_port_security("eth.src", |
9975d7be | 1141 | op->nbs->port_security, op->nbs->n_port_security, |
5868eb24 | 1142 | &match); |
9975d7be | 1143 | ovn_lflow_add(lflows, op->od, S_SWITCH_IN_PORT_SEC, 50, |
96af668a | 1144 | ds_cstr(&match), "next;"); |
5868eb24 BP |
1145 | ds_destroy(&match); |
1146 | } | |
445a266a | 1147 | |
23508e79 | 1148 | /* Ingress table 3: Destination lookup, broadcast and multicast handling |
5868eb24 BP |
1149 | * (priority 100). */ |
1150 | HMAP_FOR_EACH (op, key_node, ports) { | |
9975d7be BP |
1151 | if (!op->nbs) { |
1152 | continue; | |
1153 | } | |
1154 | ||
1155 | if (lport_is_enabled(op->nbs)) { | |
1156 | ovn_multicast_add(mcgroups, &mc_flood, op); | |
445a266a | 1157 | } |
5868eb24 BP |
1158 | } |
1159 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
9975d7be BP |
1160 | if (!od->nbs) { |
1161 | continue; | |
1162 | } | |
1163 | ||
1164 | ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, 100, "eth.mcast", | |
5868eb24 | 1165 | "outport = \""MC_FLOOD"\"; output;"); |
bd39395f | 1166 | } |
bd39395f | 1167 | |
78aab811 | 1168 | /* Ingress table 3: Destination lookup, unicast handling (priority 50), */ |
5868eb24 | 1169 | HMAP_FOR_EACH (op, key_node, ports) { |
9975d7be BP |
1170 | if (!op->nbs) { |
1171 | continue; | |
1172 | } | |
1173 | ||
1174 | for (size_t i = 0; i < op->nbs->n_addresses; i++) { | |
74ff3298 | 1175 | struct eth_addr mac; |
5868eb24 | 1176 | |
9975d7be | 1177 | if (eth_addr_from_string(op->nbs->addresses[i], &mac)) { |
5868eb24 BP |
1178 | struct ds match, actions; |
1179 | ||
1180 | ds_init(&match); | |
9975d7be BP |
1181 | ds_put_format(&match, "eth.dst == "ETH_ADDR_FMT, |
1182 | ETH_ADDR_ARGS(mac)); | |
5868eb24 BP |
1183 | |
1184 | ds_init(&actions); | |
9975d7be BP |
1185 | ds_put_format(&actions, "outport = %s; output;", op->json_key); |
1186 | ovn_lflow_add(lflows, op->od, S_SWITCH_IN_L2_LKUP, 50, | |
5868eb24 BP |
1187 | ds_cstr(&match), ds_cstr(&actions)); |
1188 | ds_destroy(&actions); | |
1189 | ds_destroy(&match); | |
9975d7be BP |
1190 | } else if (!strcmp(op->nbs->addresses[i], "unknown")) { |
1191 | if (lport_is_enabled(op->nbs)) { | |
1192 | ovn_multicast_add(mcgroups, &mc_unknown, op); | |
96af668a BP |
1193 | op->od->has_unknown = true; |
1194 | } | |
5868eb24 BP |
1195 | } else { |
1196 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
445a266a | 1197 | |
2fa326a3 BP |
1198 | VLOG_INFO_RL(&rl, |
1199 | "%s: invalid syntax '%s' in addresses column", | |
9975d7be | 1200 | op->nbs->name, op->nbs->addresses[i]); |
445a266a BP |
1201 | } |
1202 | } | |
bd39395f BP |
1203 | } |
1204 | ||
78aab811 | 1205 | /* Ingress table 3: Destination lookup for unknown MACs (priority 0). */ |
5868eb24 | 1206 | HMAP_FOR_EACH (od, key_node, datapaths) { |
9975d7be BP |
1207 | if (!od->nbs) { |
1208 | continue; | |
1209 | } | |
1210 | ||
5868eb24 | 1211 | if (od->has_unknown) { |
9975d7be | 1212 | ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, 0, "1", |
5868eb24 | 1213 | "outport = \""MC_UNKNOWN"\"; output;"); |
445a266a | 1214 | } |
bd39395f BP |
1215 | } |
1216 | ||
78aab811 | 1217 | /* Egress table 2: Egress port security multicast/broadcast (priority |
5868eb24 BP |
1218 | * 100). */ |
1219 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
9975d7be BP |
1220 | if (!od->nbs) { |
1221 | continue; | |
1222 | } | |
1223 | ||
1224 | ovn_lflow_add(lflows, od, S_SWITCH_OUT_PORT_SEC, 100, "eth.mcast", | |
091e3af9 | 1225 | "output;"); |
48f42f3a RB |
1226 | } |
1227 | ||
78aab811 | 1228 | /* Egress table 2: Egress port security (priorities 50 and 150). |
d770a830 BP |
1229 | * |
1230 | * Priority 50 rules implement port security for enabled logical port. | |
1231 | * | |
1232 | * Priority 150 rules drop packets to disabled logical ports, so that they | |
1233 | * don't even receive multicast or broadcast packets. */ | |
5868eb24 | 1234 | HMAP_FOR_EACH (op, key_node, ports) { |
9975d7be BP |
1235 | if (!op->nbs) { |
1236 | continue; | |
1237 | } | |
1238 | ||
1239 | struct ds match = DS_EMPTY_INITIALIZER; | |
1240 | ds_put_format(&match, "outport == %s", op->json_key); | |
1241 | if (lport_is_enabled(op->nbs)) { | |
1242 | build_port_security("eth.dst", op->nbs->port_security, | |
1243 | op->nbs->n_port_security, &match); | |
1244 | ovn_lflow_add(lflows, op->od, S_SWITCH_OUT_PORT_SEC, 50, | |
d770a830 BP |
1245 | ds_cstr(&match), "output;"); |
1246 | } else { | |
9975d7be | 1247 | ovn_lflow_add(lflows, op->od, S_SWITCH_OUT_PORT_SEC, 150, |
d770a830 BP |
1248 | ds_cstr(&match), "drop;"); |
1249 | } | |
eb00399e | 1250 | |
5868eb24 | 1251 | ds_destroy(&match); |
eb00399e | 1252 | } |
9975d7be | 1253 | } |
eb00399e | 1254 | |
9975d7be BP |
1255 | static bool |
1256 | lrport_is_enabled(const struct nbrec_logical_router_port *lrport) | |
1257 | { | |
1258 | return !lrport->enabled || *lrport->enabled; | |
1259 | } | |
1260 | ||
1261 | static void | |
1262 | add_route(struct hmap *lflows, struct ovn_datapath *od, | |
1263 | ovs_be32 network, ovs_be32 mask, ovs_be32 gateway) | |
1264 | { | |
1265 | char *match = xasprintf("ip4.dst == "IP_FMT"/"IP_FMT, | |
1266 | IP_ARGS(network), IP_ARGS(mask)); | |
1267 | ||
1268 | struct ds actions = DS_EMPTY_INITIALIZER; | |
47f3b59b | 1269 | ds_put_cstr(&actions, "ip.ttl--; reg0 = "); |
9975d7be BP |
1270 | if (gateway) { |
1271 | ds_put_format(&actions, IP_FMT, IP_ARGS(gateway)); | |
1272 | } else { | |
1273 | ds_put_cstr(&actions, "ip4.dst"); | |
1274 | } | |
1275 | ds_put_cstr(&actions, "; next;"); | |
1276 | ||
1277 | /* The priority here is calculated to implement longest-prefix-match | |
1278 | * routing. */ | |
1279 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_ROUTING, | |
1280 | count_1bits(ntohl(mask)), match, ds_cstr(&actions)); | |
1281 | ds_destroy(&actions); | |
1282 | free(match); | |
1283 | } | |
1284 | ||
1285 | static void | |
1286 | build_lrouter_flows(struct hmap *datapaths, struct hmap *ports, | |
1287 | struct hmap *lflows) | |
1288 | { | |
1289 | /* This flow table structure is documented in ovn-northd(8), so please | |
1290 | * update ovn-northd.8.xml if you change anything. */ | |
1291 | ||
9975d7be BP |
1292 | /* Logical router ingress table 0: Admission control framework. */ |
1293 | struct ovn_datapath *od; | |
1294 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
1295 | if (!od->nbr) { | |
1296 | continue; | |
1297 | } | |
1298 | ||
1299 | /* Logical VLANs not supported. | |
1300 | * Broadcast/multicast source address is invalid. */ | |
1301 | ovn_lflow_add(lflows, od, S_ROUTER_IN_ADMISSION, 100, | |
1302 | "vlan.present || eth.src[40]", "drop;"); | |
1303 | } | |
1304 | ||
1305 | /* Logical router ingress table 0: match (priority 50). */ | |
1306 | struct ovn_port *op; | |
1307 | HMAP_FOR_EACH (op, key_node, ports) { | |
1308 | if (!op->nbr) { | |
1309 | continue; | |
1310 | } | |
1311 | ||
1312 | if (!lrport_is_enabled(op->nbr)) { | |
1313 | /* Drop packets from disabled logical ports (since logical flow | |
1314 | * tables are default-drop). */ | |
1315 | continue; | |
1316 | } | |
1317 | ||
1318 | char *match = xasprintf( | |
1319 | "(eth.mcast || eth.dst == "ETH_ADDR_FMT") && inport == %s", | |
1320 | ETH_ADDR_ARGS(op->mac), op->json_key); | |
1321 | ovn_lflow_add(lflows, op->od, S_ROUTER_IN_ADMISSION, 50, | |
1322 | match, "next;"); | |
e2229be9 | 1323 | free(match); |
9975d7be BP |
1324 | } |
1325 | ||
1326 | /* Logical router ingress table 1: IP Input. */ | |
78aab811 | 1327 | HMAP_FOR_EACH (od, key_node, datapaths) { |
9975d7be BP |
1328 | if (!od->nbr) { |
1329 | continue; | |
1330 | } | |
1331 | ||
1332 | /* L3 admission control: drop multicast and broadcast source, localhost | |
1333 | * source or destination, and zero network source or destination | |
1334 | * (priority 100). */ | |
1335 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_INPUT, 100, | |
1336 | "ip4.mcast || " | |
1337 | "ip4.src == 255.255.255.255 || " | |
1338 | "ip4.src == 127.0.0.0/8 || " | |
1339 | "ip4.dst == 127.0.0.0/8 || " | |
1340 | "ip4.src == 0.0.0.0/8 || " | |
1341 | "ip4.dst == 0.0.0.0/8", | |
1342 | "drop;"); | |
1343 | ||
1344 | /* Drop Ethernet local broadcast. By definition this traffic should | |
1345 | * not be forwarded.*/ | |
1346 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_INPUT, 50, | |
1347 | "eth.bcast", "drop;"); | |
1348 | ||
1349 | /* Drop IP multicast. */ | |
1350 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_INPUT, 50, | |
1351 | "ip4.mcast", "drop;"); | |
1352 | ||
1353 | /* TTL discard. | |
1354 | * | |
1355 | * XXX Need to send ICMP time exceeded if !ip.later_frag. */ | |
1356 | char *match = xasprintf("ip4 && ip.ttl == {0, 1}"); | |
1357 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_INPUT, 30, match, "drop;"); | |
1358 | free(match); | |
1359 | ||
1360 | /* Pass other traffic not already handled to the next table for | |
1361 | * routing. */ | |
1362 | ovn_lflow_add(lflows, od, S_ROUTER_IN_IP_INPUT, 0, "1", "next;"); | |
78aab811 JP |
1363 | } |
1364 | ||
9975d7be BP |
1365 | HMAP_FOR_EACH (op, key_node, ports) { |
1366 | if (!op->nbr) { | |
1367 | continue; | |
1368 | } | |
1369 | ||
1370 | /* L3 admission control: drop packets that originate from an IP address | |
1371 | * owned by the router or a broadcast address known to the router | |
1372 | * (priority 100). */ | |
1373 | char *match = xasprintf("ip4.src == {"IP_FMT", "IP_FMT"}", | |
1374 | IP_ARGS(op->ip), IP_ARGS(op->bcast)); | |
1375 | ovn_lflow_add(lflows, op->od, S_ROUTER_IN_IP_INPUT, 100, | |
1376 | match, "drop;"); | |
1377 | free(match); | |
1378 | ||
dd7652e6 JP |
1379 | /* ICMP echo reply. These flows reply to ICMP echo requests |
1380 | * received for the router's IP address. */ | |
1381 | match = xasprintf( | |
1382 | "inport == %s && (ip4.dst == "IP_FMT" || ip4.dst == "IP_FMT") && " | |
1383 | "icmp4.type == 8 && icmp4.code == 0", | |
1384 | op->json_key, IP_ARGS(op->ip), IP_ARGS(op->bcast)); | |
1385 | char *actions = xasprintf( | |
1386 | "ip4.dst = ip4.src; " | |
1387 | "ip4.src = "IP_FMT"; " | |
1388 | "ip.ttl = 255; " | |
1389 | "icmp4.type = 0; " | |
1390 | "inport = \"\"; /* Allow sending out inport. */ " | |
1391 | "next; ", | |
1392 | IP_ARGS(op->ip)); | |
1393 | ovn_lflow_add(lflows, op->od, S_ROUTER_IN_IP_INPUT, 90, | |
1394 | match, actions); | |
1395 | free(match); | |
1396 | free(actions); | |
1397 | ||
9975d7be BP |
1398 | /* ARP reply. These flows reply to ARP requests for the router's own |
1399 | * IP address. */ | |
1400 | match = xasprintf( | |
1401 | "inport == %s && arp.tpa == "IP_FMT" && arp.op == 1", | |
1402 | op->json_key, IP_ARGS(op->ip)); | |
dd7652e6 | 1403 | actions = xasprintf( |
9975d7be BP |
1404 | "eth.dst = eth.src; " |
1405 | "eth.src = "ETH_ADDR_FMT"; " | |
1406 | "arp.op = 2; /* ARP reply */ " | |
1407 | "arp.tha = arp.sha; " | |
1408 | "arp.sha = "ETH_ADDR_FMT"; " | |
1409 | "arp.tpa = arp.spa; " | |
1410 | "arp.spa = "IP_FMT"; " | |
1411 | "outport = %s; " | |
1412 | "inport = \"\"; /* Allow sending out inport. */ " | |
1413 | "output;", | |
1414 | ETH_ADDR_ARGS(op->mac), | |
1415 | ETH_ADDR_ARGS(op->mac), | |
1416 | IP_ARGS(op->ip), | |
1417 | op->json_key); | |
1418 | ovn_lflow_add(lflows, op->od, S_ROUTER_IN_IP_INPUT, 90, | |
1419 | match, actions); | |
abcec848 JP |
1420 | free(match); |
1421 | free(actions); | |
9975d7be BP |
1422 | |
1423 | /* Drop IP traffic to this router. */ | |
1424 | match = xasprintf("ip4.dst == "IP_FMT, IP_ARGS(op->ip)); | |
1425 | ovn_lflow_add(lflows, op->od, S_ROUTER_IN_IP_INPUT, 60, | |
1426 | match, "drop;"); | |
1427 | free(match); | |
1428 | } | |
1429 | ||
1430 | /* Logical router ingress table 2: IP Routing. | |
1431 | * | |
1432 | * A packet that arrives at this table is an IP packet that should be | |
1433 | * routed to the address in ip4.dst. This table sets reg0 to the next-hop | |
1434 | * IP address (leaving ip4.dst, the packet’s final destination, unchanged) | |
1435 | * and advances to the next table for ARP resolution. */ | |
1436 | HMAP_FOR_EACH (op, key_node, ports) { | |
1437 | if (!op->nbr) { | |
1438 | continue; | |
1439 | } | |
1440 | ||
1441 | add_route(lflows, op->od, op->network, op->mask, 0); | |
1442 | } | |
1443 | HMAP_FOR_EACH (od, key_node, datapaths) { | |
1444 | if (!od->nbr) { | |
1445 | continue; | |
1446 | } | |
1447 | ||
1448 | if (od->gateway) { | |
1449 | add_route(lflows, od, 0, 0, od->gateway); | |
1450 | } | |
1451 | } | |
1452 | /* XXX destination unreachable */ | |
1453 | ||
1454 | /* Local router ingress table 3: ARP Resolution. | |
1455 | * | |
1456 | * Any packet that reaches this table is an IP packet whose next-hop IP | |
1457 | * address is in reg0. (ip4.dst is the final destination.) This table | |
1458 | * resolves the IP address in reg0 into an output port in outport and an | |
1459 | * Ethernet address in eth.dst. */ | |
1460 | HMAP_FOR_EACH (op, key_node, ports) { | |
1461 | if (op->nbr) { | |
1462 | /* XXX ARP for neighboring router */ | |
86e98048 | 1463 | } else if (op->od->n_router_ports) { |
9975d7be BP |
1464 | for (size_t i = 0; i < op->nbs->n_addresses; i++) { |
1465 | struct eth_addr ea; | |
1466 | ovs_be32 ip; | |
1467 | ||
1468 | if (ovs_scan(op->nbs->addresses[i], | |
1469 | ETH_ADDR_SCAN_FMT" "IP_SCAN_FMT, | |
1470 | ETH_ADDR_SCAN_ARGS(ea), IP_SCAN_ARGS(&ip))) { | |
86e98048 BP |
1471 | for (size_t j = 0; j < op->od->n_router_ports; j++) { |
1472 | /* Get the Logical_Router_Port that the Logical_Port is | |
1473 | * connected to, as 'peer'. */ | |
1474 | const char *peer_name = smap_get( | |
1475 | &op->od->router_ports[j]->nbs->options, | |
1476 | "router-port"); | |
1477 | if (!peer_name) { | |
1478 | continue; | |
1479 | } | |
1480 | ||
1481 | struct ovn_port *peer | |
1482 | = ovn_port_find(ports, peer_name); | |
1483 | if (!peer || !peer->nbr) { | |
1484 | continue; | |
1485 | } | |
1486 | ||
1487 | /* Make sure that 'ip' is in 'peer''s network. */ | |
1488 | if ((ip ^ peer->network) & peer->mask) { | |
1489 | continue; | |
1490 | } | |
1491 | ||
1492 | char *match = xasprintf("reg0 == "IP_FMT, IP_ARGS(ip)); | |
1493 | char *actions = xasprintf("eth.src = "ETH_ADDR_FMT"; " | |
1494 | "eth.dst = "ETH_ADDR_FMT"; " | |
1495 | "outport = %s; " | |
1496 | "output;", | |
1497 | ETH_ADDR_ARGS(peer->mac), | |
1498 | ETH_ADDR_ARGS(ea), | |
1499 | peer->json_key); | |
1500 | ovn_lflow_add(lflows, peer->od, | |
1501 | S_ROUTER_IN_ARP, 200, match, actions); | |
1502 | free(actions); | |
1503 | free(match); | |
1504 | break; | |
1505 | } | |
9975d7be BP |
1506 | } |
1507 | } | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | /* Logical router egress table 0: Delivery (priority 100). | |
1512 | * | |
1513 | * Priority 100 rules deliver packets to enabled logical ports. */ | |
1514 | HMAP_FOR_EACH (op, key_node, ports) { | |
1515 | if (!op->nbr) { | |
1516 | continue; | |
1517 | } | |
1518 | ||
1519 | if (!lrport_is_enabled(op->nbr)) { | |
1520 | /* Drop packets to disabled logical ports (since logical flow | |
1521 | * tables are default-drop). */ | |
1522 | continue; | |
1523 | } | |
1524 | ||
1525 | char *match = xasprintf("outport == %s", op->json_key); | |
1526 | ovn_lflow_add(lflows, op->od, S_ROUTER_OUT_DELIVERY, 100, | |
1527 | match, "output;"); | |
1528 | free(match); | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | /* Updates the Logical_Flow and Multicast_Group tables in the OVN_SB database, | |
1533 | * constructing their contents based on the OVN_NB database. */ | |
1534 | static void | |
1535 | build_lflows(struct northd_context *ctx, struct hmap *datapaths, | |
1536 | struct hmap *ports) | |
1537 | { | |
1538 | struct hmap lflows = HMAP_INITIALIZER(&lflows); | |
1539 | struct hmap mcgroups = HMAP_INITIALIZER(&mcgroups); | |
1540 | ||
1541 | build_lswitch_flows(datapaths, ports, &lflows, &mcgroups); | |
1542 | build_lrouter_flows(datapaths, ports, &lflows); | |
1543 | ||
5868eb24 BP |
1544 | /* Push changes to the Logical_Flow table to database. */ |
1545 | const struct sbrec_logical_flow *sbflow, *next_sbflow; | |
1546 | SBREC_LOGICAL_FLOW_FOR_EACH_SAFE (sbflow, next_sbflow, ctx->ovnsb_idl) { | |
1547 | struct ovn_datapath *od | |
1548 | = ovn_datapath_from_sbrec(datapaths, sbflow->logical_datapath); | |
1549 | if (!od) { | |
1550 | sbrec_logical_flow_delete(sbflow); | |
1551 | continue; | |
eb00399e | 1552 | } |
eb00399e | 1553 | |
9975d7be | 1554 | enum ovn_datapath_type dp_type = od->nbs ? DP_SWITCH : DP_ROUTER; |
880fcd14 BP |
1555 | enum ovn_pipeline pipeline |
1556 | = !strcmp(sbflow->pipeline, "ingress") ? P_IN : P_OUT; | |
5868eb24 | 1557 | struct ovn_lflow *lflow = ovn_lflow_find( |
880fcd14 BP |
1558 | &lflows, od, ovn_stage_build(dp_type, pipeline, sbflow->table_id), |
1559 | sbflow->priority, sbflow->match, sbflow->actions); | |
5868eb24 BP |
1560 | if (lflow) { |
1561 | ovn_lflow_destroy(&lflows, lflow); | |
1562 | } else { | |
1563 | sbrec_logical_flow_delete(sbflow); | |
4edcdcf4 RB |
1564 | } |
1565 | } | |
5868eb24 BP |
1566 | struct ovn_lflow *lflow, *next_lflow; |
1567 | HMAP_FOR_EACH_SAFE (lflow, next_lflow, hmap_node, &lflows) { | |
880fcd14 BP |
1568 | enum ovn_pipeline pipeline = ovn_stage_get_pipeline(lflow->stage); |
1569 | uint8_t table = ovn_stage_get_table(lflow->stage); | |
1570 | ||
5868eb24 BP |
1571 | sbflow = sbrec_logical_flow_insert(ctx->ovnsb_txn); |
1572 | sbrec_logical_flow_set_logical_datapath(sbflow, lflow->od->sb); | |
9975d7be BP |
1573 | sbrec_logical_flow_set_pipeline( |
1574 | sbflow, pipeline == P_IN ? "ingress" : "egress"); | |
880fcd14 | 1575 | sbrec_logical_flow_set_table_id(sbflow, table); |
5868eb24 BP |
1576 | sbrec_logical_flow_set_priority(sbflow, lflow->priority); |
1577 | sbrec_logical_flow_set_match(sbflow, lflow->match); | |
1578 | sbrec_logical_flow_set_actions(sbflow, lflow->actions); | |
091e3af9 | 1579 | |
880fcd14 BP |
1580 | const struct smap ids = SMAP_CONST1(&ids, "stage-name", |
1581 | ovn_stage_to_str(lflow->stage)); | |
aaf881c6 | 1582 | sbrec_logical_flow_set_external_ids(sbflow, &ids); |
091e3af9 | 1583 | |
5868eb24 | 1584 | ovn_lflow_destroy(&lflows, lflow); |
eb00399e | 1585 | } |
5868eb24 BP |
1586 | hmap_destroy(&lflows); |
1587 | ||
1588 | /* Push changes to the Multicast_Group table to database. */ | |
1589 | const struct sbrec_multicast_group *sbmc, *next_sbmc; | |
1590 | SBREC_MULTICAST_GROUP_FOR_EACH_SAFE (sbmc, next_sbmc, ctx->ovnsb_idl) { | |
1591 | struct ovn_datapath *od = ovn_datapath_from_sbrec(datapaths, | |
1592 | sbmc->datapath); | |
1593 | if (!od) { | |
1594 | sbrec_multicast_group_delete(sbmc); | |
1595 | continue; | |
1596 | } | |
eb00399e | 1597 | |
5868eb24 BP |
1598 | struct multicast_group group = { .name = sbmc->name, |
1599 | .key = sbmc->tunnel_key }; | |
1600 | struct ovn_multicast *mc = ovn_multicast_find(&mcgroups, od, &group); | |
1601 | if (mc) { | |
1602 | ovn_multicast_update_sbrec(mc, sbmc); | |
1603 | ovn_multicast_destroy(&mcgroups, mc); | |
1604 | } else { | |
1605 | sbrec_multicast_group_delete(sbmc); | |
1606 | } | |
1607 | } | |
1608 | struct ovn_multicast *mc, *next_mc; | |
1609 | HMAP_FOR_EACH_SAFE (mc, next_mc, hmap_node, &mcgroups) { | |
1610 | sbmc = sbrec_multicast_group_insert(ctx->ovnsb_txn); | |
1611 | sbrec_multicast_group_set_datapath(sbmc, mc->datapath->sb); | |
1612 | sbrec_multicast_group_set_name(sbmc, mc->group->name); | |
1613 | sbrec_multicast_group_set_tunnel_key(sbmc, mc->group->key); | |
1614 | ovn_multicast_update_sbrec(mc, sbmc); | |
1615 | ovn_multicast_destroy(&mcgroups, mc); | |
4edcdcf4 | 1616 | } |
5868eb24 | 1617 | hmap_destroy(&mcgroups); |
4edcdcf4 | 1618 | } |
5868eb24 | 1619 | \f |
4edcdcf4 | 1620 | static void |
331e7aef | 1621 | ovnnb_db_run(struct northd_context *ctx) |
4edcdcf4 | 1622 | { |
331e7aef NS |
1623 | if (!ctx->ovnsb_txn) { |
1624 | return; | |
1625 | } | |
1626 | VLOG_DBG("ovn-nb db contents may have changed."); | |
5868eb24 BP |
1627 | struct hmap datapaths, ports; |
1628 | build_datapaths(ctx, &datapaths); | |
1629 | build_ports(ctx, &datapaths, &ports); | |
1630 | build_lflows(ctx, &datapaths, &ports); | |
1631 | ||
1632 | struct ovn_datapath *dp, *next_dp; | |
1633 | HMAP_FOR_EACH_SAFE (dp, next_dp, key_node, &datapaths) { | |
1634 | ovn_datapath_destroy(&datapaths, dp); | |
1635 | } | |
1636 | hmap_destroy(&datapaths); | |
1637 | ||
1638 | struct ovn_port *port, *next_port; | |
1639 | HMAP_FOR_EACH_SAFE (port, next_port, key_node, &ports) { | |
1640 | ovn_port_destroy(&ports, port); | |
1641 | } | |
1642 | hmap_destroy(&ports); | |
ac0630a2 RB |
1643 | } |
1644 | ||
f93818dd RB |
1645 | /* |
1646 | * The only change we get notified about is if the 'chassis' column of the | |
dcda6e0d BP |
1647 | * 'Port_Binding' table changes. When this column is not empty, it means we |
1648 | * need to set the corresponding logical port as 'up' in the northbound DB. | |
f93818dd | 1649 | */ |
ac0630a2 | 1650 | static void |
331e7aef | 1651 | ovnsb_db_run(struct northd_context *ctx) |
ac0630a2 | 1652 | { |
331e7aef NS |
1653 | if (!ctx->ovnnb_txn) { |
1654 | return; | |
1655 | } | |
fc3113bc | 1656 | struct hmap lports_hmap; |
5868eb24 BP |
1657 | const struct sbrec_port_binding *sb; |
1658 | const struct nbrec_logical_port *nb; | |
fc3113bc RB |
1659 | |
1660 | struct lport_hash_node { | |
1661 | struct hmap_node node; | |
5868eb24 | 1662 | const struct nbrec_logical_port *nb; |
fc3113bc | 1663 | } *hash_node, *hash_node_next; |
f93818dd RB |
1664 | |
1665 | VLOG_DBG("Recalculating port up states for ovn-nb db."); | |
1666 | ||
fc3113bc | 1667 | hmap_init(&lports_hmap); |
f93818dd | 1668 | |
5868eb24 | 1669 | NBREC_LOGICAL_PORT_FOR_EACH(nb, ctx->ovnnb_idl) { |
fc3113bc | 1670 | hash_node = xzalloc(sizeof *hash_node); |
5868eb24 BP |
1671 | hash_node->nb = nb; |
1672 | hmap_insert(&lports_hmap, &hash_node->node, hash_string(nb->name, 0)); | |
fc3113bc RB |
1673 | } |
1674 | ||
5868eb24 BP |
1675 | SBREC_PORT_BINDING_FOR_EACH(sb, ctx->ovnsb_idl) { |
1676 | nb = NULL; | |
fc3113bc | 1677 | HMAP_FOR_EACH_WITH_HASH(hash_node, node, |
5868eb24 BP |
1678 | hash_string(sb->logical_port, 0), |
1679 | &lports_hmap) { | |
1680 | if (!strcmp(sb->logical_port, hash_node->nb->name)) { | |
1681 | nb = hash_node->nb; | |
fc3113bc RB |
1682 | break; |
1683 | } | |
f93818dd RB |
1684 | } |
1685 | ||
5868eb24 | 1686 | if (!nb) { |
dcda6e0d | 1687 | /* The logical port doesn't exist for this port binding. This can |
2e2762d4 | 1688 | * happen under normal circumstances when ovn-northd hasn't gotten |
dcda6e0d | 1689 | * around to pruning the Port_Binding yet. */ |
f93818dd RB |
1690 | continue; |
1691 | } | |
1692 | ||
5868eb24 | 1693 | if (sb->chassis && (!nb->up || !*nb->up)) { |
f93818dd | 1694 | bool up = true; |
5868eb24 BP |
1695 | nbrec_logical_port_set_up(nb, &up, 1); |
1696 | } else if (!sb->chassis && (!nb->up || *nb->up)) { | |
f93818dd | 1697 | bool up = false; |
5868eb24 | 1698 | nbrec_logical_port_set_up(nb, &up, 1); |
f93818dd RB |
1699 | } |
1700 | } | |
fc3113bc RB |
1701 | |
1702 | HMAP_FOR_EACH_SAFE(hash_node, hash_node_next, node, &lports_hmap) { | |
1703 | hmap_remove(&lports_hmap, &hash_node->node); | |
1704 | free(hash_node); | |
1705 | } | |
1706 | hmap_destroy(&lports_hmap); | |
ac0630a2 RB |
1707 | } |
1708 | \f | |
45f98d4c RB |
1709 | |
1710 | static char *default_db_; | |
1711 | ||
ac0630a2 RB |
1712 | static const char * |
1713 | default_db(void) | |
1714 | { | |
45f98d4c RB |
1715 | if (!default_db_) { |
1716 | default_db_ = xasprintf("unix:%s/db.sock", ovs_rundir()); | |
ac0630a2 | 1717 | } |
45f98d4c | 1718 | return default_db_; |
ac0630a2 RB |
1719 | } |
1720 | ||
1721 | static void | |
1722 | parse_options(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
1723 | { | |
1724 | enum { | |
67d9b930 | 1725 | DAEMON_OPTION_ENUMS, |
ac0630a2 RB |
1726 | VLOG_OPTION_ENUMS, |
1727 | }; | |
1728 | static const struct option long_options[] = { | |
ec78987f | 1729 | {"ovnsb-db", required_argument, NULL, 'd'}, |
ac0630a2 RB |
1730 | {"ovnnb-db", required_argument, NULL, 'D'}, |
1731 | {"help", no_argument, NULL, 'h'}, | |
1732 | {"options", no_argument, NULL, 'o'}, | |
1733 | {"version", no_argument, NULL, 'V'}, | |
67d9b930 | 1734 | DAEMON_LONG_OPTIONS, |
ac0630a2 RB |
1735 | VLOG_LONG_OPTIONS, |
1736 | STREAM_SSL_LONG_OPTIONS, | |
1737 | {NULL, 0, NULL, 0}, | |
1738 | }; | |
1739 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); | |
1740 | ||
1741 | for (;;) { | |
1742 | int c; | |
1743 | ||
1744 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
1745 | if (c == -1) { | |
1746 | break; | |
1747 | } | |
1748 | ||
1749 | switch (c) { | |
67d9b930 | 1750 | DAEMON_OPTION_HANDLERS; |
ac0630a2 RB |
1751 | VLOG_OPTION_HANDLERS; |
1752 | STREAM_SSL_OPTION_HANDLERS; | |
1753 | ||
1754 | case 'd': | |
ec78987f | 1755 | ovnsb_db = optarg; |
ac0630a2 RB |
1756 | break; |
1757 | ||
1758 | case 'D': | |
1759 | ovnnb_db = optarg; | |
1760 | break; | |
1761 | ||
1762 | case 'h': | |
1763 | usage(); | |
1764 | exit(EXIT_SUCCESS); | |
1765 | ||
1766 | case 'o': | |
1767 | ovs_cmdl_print_options(long_options); | |
1768 | exit(EXIT_SUCCESS); | |
1769 | ||
1770 | case 'V': | |
1771 | ovs_print_version(0, 0); | |
1772 | exit(EXIT_SUCCESS); | |
1773 | ||
1774 | default: | |
1775 | break; | |
1776 | } | |
1777 | } | |
1778 | ||
ec78987f JP |
1779 | if (!ovnsb_db) { |
1780 | ovnsb_db = default_db(); | |
ac0630a2 RB |
1781 | } |
1782 | ||
1783 | if (!ovnnb_db) { | |
1784 | ovnnb_db = default_db(); | |
1785 | } | |
1786 | ||
1787 | free(short_options); | |
1788 | } | |
1789 | ||
5868eb24 BP |
1790 | static void |
1791 | add_column_noalert(struct ovsdb_idl *idl, | |
1792 | const struct ovsdb_idl_column *column) | |
1793 | { | |
1794 | ovsdb_idl_add_column(idl, column); | |
1795 | ovsdb_idl_omit_alert(idl, column); | |
1796 | } | |
1797 | ||
ac0630a2 RB |
1798 | int |
1799 | main(int argc, char *argv[]) | |
1800 | { | |
1801 | extern struct vlog_module VLM_reconnect; | |
f20396e0 | 1802 | unsigned int ovnnb_seqno, ovnsb_seqno; |
ac0630a2 | 1803 | int res = EXIT_SUCCESS; |
7b303ff9 AW |
1804 | struct unixctl_server *unixctl; |
1805 | int retval; | |
1806 | bool exiting; | |
ac0630a2 RB |
1807 | |
1808 | fatal_ignore_sigpipe(); | |
1809 | set_program_name(argv[0]); | |
485f0696 | 1810 | service_start(&argc, &argv); |
ac0630a2 RB |
1811 | vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN); |
1812 | vlog_set_levels(&VLM_reconnect, VLF_ANY_DESTINATION, VLL_WARN); | |
1813 | parse_options(argc, argv); | |
67d9b930 | 1814 | |
e91b927d | 1815 | daemonize_start(false); |
7b303ff9 AW |
1816 | |
1817 | retval = unixctl_server_create(NULL, &unixctl); | |
1818 | if (retval) { | |
1819 | exit(EXIT_FAILURE); | |
1820 | } | |
1821 | unixctl_command_register("exit", "", 0, 0, ovn_northd_exit, &exiting); | |
1822 | ||
1823 | daemonize_complete(); | |
67d9b930 | 1824 | |
ac0630a2 | 1825 | nbrec_init(); |
ec78987f | 1826 | sbrec_init(); |
ac0630a2 RB |
1827 | |
1828 | /* We want to detect all changes to the ovn-nb db. */ | |
331e7aef NS |
1829 | struct ovsdb_idl_loop ovnnb_idl_loop = OVSDB_IDL_LOOP_INITIALIZER( |
1830 | ovsdb_idl_create(ovnnb_db, &nbrec_idl_class, true, true)); | |
1831 | ||
1832 | struct ovsdb_idl_loop ovnsb_idl_loop = OVSDB_IDL_LOOP_INITIALIZER( | |
1833 | ovsdb_idl_create(ovnsb_db, &sbrec_idl_class, false, true)); | |
1834 | ||
1835 | ovsdb_idl_add_table(ovnsb_idl_loop.idl, &sbrec_table_logical_flow); | |
1836 | add_column_noalert(ovnsb_idl_loop.idl, | |
1837 | &sbrec_logical_flow_col_logical_datapath); | |
1838 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_logical_flow_col_pipeline); | |
1839 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_logical_flow_col_table_id); | |
1840 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_logical_flow_col_priority); | |
1841 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_logical_flow_col_match); | |
1842 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_logical_flow_col_actions); | |
1843 | ||
1844 | ovsdb_idl_add_table(ovnsb_idl_loop.idl, &sbrec_table_multicast_group); | |
1845 | add_column_noalert(ovnsb_idl_loop.idl, | |
1846 | &sbrec_multicast_group_col_datapath); | |
1847 | add_column_noalert(ovnsb_idl_loop.idl, | |
1848 | &sbrec_multicast_group_col_tunnel_key); | |
1849 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_multicast_group_col_name); | |
1850 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_multicast_group_col_ports); | |
1851 | ||
1852 | ovsdb_idl_add_table(ovnsb_idl_loop.idl, &sbrec_table_datapath_binding); | |
1853 | add_column_noalert(ovnsb_idl_loop.idl, | |
1854 | &sbrec_datapath_binding_col_tunnel_key); | |
1855 | add_column_noalert(ovnsb_idl_loop.idl, | |
1856 | &sbrec_datapath_binding_col_external_ids); | |
1857 | ||
1858 | ovsdb_idl_add_table(ovnsb_idl_loop.idl, &sbrec_table_port_binding); | |
1859 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_port_binding_col_datapath); | |
1860 | add_column_noalert(ovnsb_idl_loop.idl, | |
1861 | &sbrec_port_binding_col_logical_port); | |
1862 | add_column_noalert(ovnsb_idl_loop.idl, | |
1863 | &sbrec_port_binding_col_tunnel_key); | |
1864 | add_column_noalert(ovnsb_idl_loop.idl, | |
1865 | &sbrec_port_binding_col_parent_port); | |
1866 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_port_binding_col_tag); | |
1867 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_port_binding_col_type); | |
1868 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_port_binding_col_options); | |
1869 | add_column_noalert(ovnsb_idl_loop.idl, &sbrec_port_binding_col_mac); | |
1870 | ovsdb_idl_add_column(ovnsb_idl_loop.idl, &sbrec_port_binding_col_chassis); | |
1871 | ||
f20396e0 JS |
1872 | ovnnb_seqno = ovsdb_idl_get_seqno(ovnnb_idl_loop.idl); |
1873 | ovnsb_seqno = ovsdb_idl_get_seqno(ovnsb_idl_loop.idl); | |
1874 | ||
331e7aef | 1875 | /* Main loop. */ |
7b303ff9 AW |
1876 | exiting = false; |
1877 | while (!exiting) { | |
331e7aef NS |
1878 | struct northd_context ctx = { |
1879 | .ovnnb_idl = ovnnb_idl_loop.idl, | |
1880 | .ovnnb_txn = ovsdb_idl_loop_run(&ovnnb_idl_loop), | |
1881 | .ovnsb_idl = ovnsb_idl_loop.idl, | |
1882 | .ovnsb_txn = ovsdb_idl_loop_run(&ovnsb_idl_loop), | |
1883 | }; | |
ac0630a2 | 1884 | |
f20396e0 JS |
1885 | if (ovnnb_seqno != ovsdb_idl_get_seqno(ctx.ovnnb_idl)) { |
1886 | ovnnb_seqno = ovsdb_idl_get_seqno(ctx.ovnnb_idl); | |
1887 | ovnnb_db_run(&ctx); | |
1888 | } | |
1889 | if (ovnsb_seqno != ovsdb_idl_get_seqno(ctx.ovnsb_idl)) { | |
1890 | ovnsb_seqno = ovsdb_idl_get_seqno(ctx.ovnsb_idl); | |
1891 | ovnsb_db_run(&ctx); | |
1892 | } | |
f93818dd | 1893 | |
331e7aef NS |
1894 | unixctl_server_run(unixctl); |
1895 | unixctl_server_wait(unixctl); | |
1896 | if (exiting) { | |
1897 | poll_immediate_wake(); | |
ac0630a2 | 1898 | } |
331e7aef NS |
1899 | ovsdb_idl_loop_commit_and_wait(&ovnnb_idl_loop); |
1900 | ovsdb_idl_loop_commit_and_wait(&ovnsb_idl_loop); | |
ac0630a2 | 1901 | |
331e7aef | 1902 | poll_block(); |
485f0696 GS |
1903 | if (should_service_stop()) { |
1904 | exiting = true; | |
1905 | } | |
ac0630a2 RB |
1906 | } |
1907 | ||
7b303ff9 | 1908 | unixctl_server_destroy(unixctl); |
331e7aef NS |
1909 | ovsdb_idl_loop_destroy(&ovnnb_idl_loop); |
1910 | ovsdb_idl_loop_destroy(&ovnsb_idl_loop); | |
485f0696 | 1911 | service_stop(); |
ac0630a2 | 1912 | |
45f98d4c | 1913 | free(default_db_); |
ac0630a2 RB |
1914 | exit(res); |
1915 | } | |
7b303ff9 AW |
1916 | |
1917 | static void | |
1918 | ovn_northd_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1919 | const char *argv[] OVS_UNUSED, void *exiting_) | |
1920 | { | |
1921 | bool *exiting = exiting_; | |
1922 | *exiting = true; | |
1923 | ||
1924 | unixctl_command_reply(conn, NULL); | |
1925 | } |