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ea1c14f6 MS |
1 | /* |
2 | * Zebra dataplane layer. | |
3 | * Copyright (c) 2018 Volta Networks, Inc. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
2618a52e DL |
20 | #ifdef HAVE_CONFIG_H |
21 | #include "config.h" | |
22 | #endif | |
23 | ||
18c37974 | 24 | #include "lib/libfrr.h" |
1d11b21f MS |
25 | #include "lib/debug.h" |
26 | #include "lib/frratomic.h" | |
7cdb1a84 | 27 | #include "lib/frr_pthread.h" |
1d11b21f | 28 | #include "lib/memory.h" |
7cdb1a84 | 29 | #include "lib/queue.h" |
1d11b21f | 30 | #include "lib/zebra.h" |
7cdb1a84 | 31 | #include "zebra/zebra_memory.h" |
3801e764 | 32 | #include "zebra/zebra_router.h" |
7cdb1a84 | 33 | #include "zebra/zebra_dplane.h" |
f2a0ba3a | 34 | #include "zebra/zebra_vxlan_private.h" |
ee70f629 | 35 | #include "zebra/zebra_mpls.h" |
7cdb1a84 MS |
36 | #include "zebra/rt.h" |
37 | #include "zebra/debug.h" | |
f62e5480 | 38 | #include "zebra/zebra_pbr.h" |
7cdb1a84 MS |
39 | |
40 | /* Memory type for context blocks */ | |
c1344b54 DL |
41 | DEFINE_MTYPE_STATIC(ZEBRA, DP_CTX, "Zebra DPlane Ctx") |
42 | DEFINE_MTYPE_STATIC(ZEBRA, DP_PROV, "Zebra DPlane Provider") | |
7cdb1a84 MS |
43 | |
44 | #ifndef AOK | |
45 | # define AOK 0 | |
46 | #endif | |
47 | ||
e5a60d82 MS |
48 | /* Enable test dataplane provider */ |
49 | /*#define DPLANE_TEST_PROVIDER 1 */ | |
50 | ||
91f16812 MS |
51 | /* Default value for max queued incoming updates */ |
52 | const uint32_t DPLANE_DEFAULT_MAX_QUEUED = 200; | |
53 | ||
c831033f MS |
54 | /* Default value for new work per cycle */ |
55 | const uint32_t DPLANE_DEFAULT_NEW_WORK = 100; | |
56 | ||
7cdb1a84 MS |
57 | /* Validation check macro for context blocks */ |
58 | /* #define DPLANE_DEBUG 1 */ | |
59 | ||
60 | #ifdef DPLANE_DEBUG | |
61 | ||
25779064 MS |
62 | # define DPLANE_CTX_VALID(p) \ |
63 | assert((p) != NULL) | |
7cdb1a84 MS |
64 | |
65 | #else | |
66 | ||
5709131c | 67 | # define DPLANE_CTX_VALID(p) |
7cdb1a84 MS |
68 | |
69 | #endif /* DPLANE_DEBUG */ | |
70 | ||
0c8215cb SW |
71 | /* |
72 | * Nexthop information captured for nexthop/nexthop group updates | |
73 | */ | |
74 | struct dplane_nexthop_info { | |
75 | uint32_t id; | |
76 | afi_t afi; | |
77 | vrf_id_t vrf_id; | |
38e40db1 | 78 | int type; |
0c8215cb SW |
79 | |
80 | struct nexthop_group ng; | |
e22e8001 SW |
81 | struct nh_grp nh_grp[MULTIPATH_NUM]; |
82 | uint8_t nh_grp_count; | |
0c8215cb SW |
83 | }; |
84 | ||
7cdb1a84 | 85 | /* |
0f461727 | 86 | * Route information captured for route updates. |
7cdb1a84 | 87 | */ |
0f461727 | 88 | struct dplane_route_info { |
7cdb1a84 MS |
89 | |
90 | /* Dest and (optional) source prefixes */ | |
91 | struct prefix zd_dest; | |
92 | struct prefix zd_src; | |
93 | ||
0f461727 MS |
94 | afi_t zd_afi; |
95 | safi_t zd_safi; | |
7cdb1a84 MS |
96 | |
97 | int zd_type; | |
98 | int zd_old_type; | |
99 | ||
7cdb1a84 MS |
100 | route_tag_t zd_tag; |
101 | route_tag_t zd_old_tag; | |
102 | uint32_t zd_metric; | |
01ce7cba | 103 | uint32_t zd_old_metric; |
0f461727 | 104 | |
7cdb1a84 MS |
105 | uint16_t zd_instance; |
106 | uint16_t zd_old_instance; | |
107 | ||
108 | uint8_t zd_distance; | |
109 | uint8_t zd_old_distance; | |
110 | ||
111 | uint32_t zd_mtu; | |
112 | uint32_t zd_nexthop_mtu; | |
113 | ||
0c8215cb SW |
114 | /* Nexthop hash entry info */ |
115 | struct dplane_nexthop_info nhe; | |
f820d025 | 116 | |
7cdb1a84 | 117 | /* Nexthops */ |
1d48702e | 118 | uint32_t zd_nhg_id; |
7cdb1a84 MS |
119 | struct nexthop_group zd_ng; |
120 | ||
1d48702e MS |
121 | /* Backup nexthops (if present) */ |
122 | struct nexthop_group backup_ng; | |
123 | ||
4dfd7a02 | 124 | /* "Previous" nexthops, used only in route updates without netlink */ |
01ce7cba | 125 | struct nexthop_group zd_old_ng; |
1d48702e | 126 | struct nexthop_group old_backup_ng; |
01ce7cba | 127 | |
b8e0423d MS |
128 | /* TODO -- use fixed array of nexthops, to avoid mallocs? */ |
129 | ||
0f461727 MS |
130 | }; |
131 | ||
d613b8e1 MS |
132 | /* |
133 | * Pseudowire info for the dataplane | |
134 | */ | |
135 | struct dplane_pw_info { | |
d613b8e1 MS |
136 | int type; |
137 | int af; | |
138 | int status; | |
139 | uint32_t flags; | |
16d69787 | 140 | union g_addr dest; |
d613b8e1 MS |
141 | mpls_label_t local_label; |
142 | mpls_label_t remote_label; | |
143 | ||
16d69787 MS |
144 | /* Nexthops */ |
145 | struct nexthop_group nhg; | |
146 | ||
d613b8e1 MS |
147 | union pw_protocol_fields fields; |
148 | }; | |
149 | ||
a4a4802a MS |
150 | /* |
151 | * Interface/prefix info for the dataplane | |
152 | */ | |
153 | struct dplane_intf_info { | |
154 | ||
a4a4802a MS |
155 | uint32_t metric; |
156 | uint32_t flags; | |
157 | ||
158 | #define DPLANE_INTF_CONNECTED (1 << 0) /* Connected peer, p2p */ | |
159 | #define DPLANE_INTF_SECONDARY (1 << 1) | |
64168803 | 160 | #define DPLANE_INTF_BROADCAST (1 << 2) |
0f3af738 | 161 | #define DPLANE_INTF_HAS_DEST DPLANE_INTF_CONNECTED |
64168803 | 162 | #define DPLANE_INTF_HAS_LABEL (1 << 4) |
a4a4802a MS |
163 | |
164 | /* Interface address/prefix */ | |
165 | struct prefix prefix; | |
166 | ||
167 | /* Dest address, for p2p, or broadcast prefix */ | |
168 | struct prefix dest_prefix; | |
169 | ||
170 | char *label; | |
171 | char label_buf[32]; | |
172 | }; | |
173 | ||
7597ac7b | 174 | /* |
0bbd4ff4 | 175 | * EVPN MAC address info for the dataplane. |
7597ac7b MS |
176 | */ |
177 | struct dplane_mac_info { | |
178 | vlanid_t vid; | |
478566d6 | 179 | ifindex_t br_ifindex; |
7597ac7b MS |
180 | struct ethaddr mac; |
181 | struct in_addr vtep_ip; | |
182 | bool is_sticky; | |
7597ac7b MS |
183 | }; |
184 | ||
931fa60c MS |
185 | /* |
186 | * EVPN neighbor info for the dataplane | |
187 | */ | |
188 | struct dplane_neigh_info { | |
189 | struct ipaddr ip_addr; | |
190 | struct ethaddr mac; | |
191 | uint32_t flags; | |
192 | uint16_t state; | |
193 | }; | |
194 | ||
60d8d43b JU |
195 | /* |
196 | * Policy based routing rule info for the dataplane | |
197 | */ | |
198 | struct dplane_ctx_rule { | |
199 | uint32_t priority; | |
200 | ||
201 | /* The route table pointed by this rule */ | |
202 | uint32_t table; | |
203 | ||
204 | /* Filter criteria */ | |
205 | uint32_t filter_bm; | |
206 | uint32_t fwmark; | |
01f23aff | 207 | uint8_t dsfield; |
60d8d43b JU |
208 | struct prefix src_ip; |
209 | struct prefix dst_ip; | |
210 | }; | |
211 | ||
212 | struct dplane_rule_info { | |
213 | /* | |
214 | * Originating zclient sock fd, so we can know who to send | |
215 | * back to. | |
216 | */ | |
217 | int sock; | |
218 | ||
219 | int unique; | |
220 | int seq; | |
221 | ||
222 | struct dplane_ctx_rule new; | |
223 | struct dplane_ctx_rule old; | |
224 | }; | |
225 | ||
0f461727 MS |
226 | /* |
227 | * The context block used to exchange info about route updates across | |
228 | * the boundary between the zebra main context (and pthread) and the | |
229 | * dataplane layer (and pthread). | |
230 | */ | |
231 | struct zebra_dplane_ctx { | |
232 | ||
233 | /* Operation code */ | |
234 | enum dplane_op_e zd_op; | |
235 | ||
236 | /* Status on return */ | |
237 | enum zebra_dplane_result zd_status; | |
238 | ||
239 | /* Dplane provider id */ | |
240 | uint32_t zd_provider; | |
241 | ||
242 | /* Flags - used by providers, e.g. */ | |
243 | int zd_flags; | |
244 | ||
245 | bool zd_is_update; | |
246 | ||
247 | uint32_t zd_seq; | |
248 | uint32_t zd_old_seq; | |
249 | ||
0024a559 MS |
250 | /* Some updates may be generated by notifications: allow the |
251 | * plugin to notice and ignore results from its own notifications. | |
252 | */ | |
253 | uint32_t zd_notif_provider; | |
254 | ||
0f461727 MS |
255 | /* TODO -- internal/sub-operation status? */ |
256 | enum zebra_dplane_result zd_remote_status; | |
257 | enum zebra_dplane_result zd_kernel_status; | |
258 | ||
259 | vrf_id_t zd_vrf_id; | |
260 | uint32_t zd_table_id; | |
261 | ||
7c7ef4a8 MS |
262 | char zd_ifname[INTERFACE_NAMSIZ]; |
263 | ifindex_t zd_ifindex; | |
264 | ||
a4a4802a | 265 | /* Support info for different kinds of updates */ |
0f461727 MS |
266 | union { |
267 | struct dplane_route_info rinfo; | |
268 | zebra_lsp_t lsp; | |
d613b8e1 | 269 | struct dplane_pw_info pw; |
a4a4802a | 270 | struct dplane_intf_info intf; |
7597ac7b | 271 | struct dplane_mac_info macinfo; |
931fa60c | 272 | struct dplane_neigh_info neigh; |
60d8d43b | 273 | struct dplane_rule_info rule; |
0f461727 MS |
274 | } u; |
275 | ||
276 | /* Namespace info, used especially for netlink kernel communication */ | |
277 | struct zebra_dplane_info zd_ns_info; | |
278 | ||
7cdb1a84 | 279 | /* Embedded list linkage */ |
25779064 | 280 | TAILQ_ENTRY(zebra_dplane_ctx) zd_q_entries; |
7cdb1a84 MS |
281 | }; |
282 | ||
c831033f MS |
283 | /* Flag that can be set by a pre-kernel provider as a signal that an update |
284 | * should bypass the kernel. | |
285 | */ | |
286 | #define DPLANE_CTX_FLAG_NO_KERNEL 0x01 | |
287 | ||
288 | ||
7cdb1a84 MS |
289 | /* |
290 | * Registration block for one dataplane provider. | |
291 | */ | |
25779064 | 292 | struct zebra_dplane_provider { |
7cdb1a84 MS |
293 | /* Name */ |
294 | char dp_name[DPLANE_PROVIDER_NAMELEN + 1]; | |
295 | ||
296 | /* Priority, for ordering among providers */ | |
297 | uint8_t dp_priority; | |
298 | ||
299 | /* Id value */ | |
300 | uint32_t dp_id; | |
301 | ||
c831033f MS |
302 | /* Mutex */ |
303 | pthread_mutex_t dp_mutex; | |
304 | ||
305 | /* Plugin-provided extra data */ | |
306 | void *dp_data; | |
307 | ||
308 | /* Flags */ | |
309 | int dp_flags; | |
310 | ||
1dd4ea8a MS |
311 | int (*dp_start)(struct zebra_dplane_provider *prov); |
312 | ||
4c206c8f | 313 | int (*dp_fp)(struct zebra_dplane_provider *prov); |
7cdb1a84 | 314 | |
4c206c8f | 315 | int (*dp_fini)(struct zebra_dplane_provider *prov, bool early_p); |
18c37974 | 316 | |
0545c373 | 317 | _Atomic uint32_t dp_in_counter; |
c9d17fe8 | 318 | _Atomic uint32_t dp_in_queued; |
c831033f MS |
319 | _Atomic uint32_t dp_in_max; |
320 | _Atomic uint32_t dp_out_counter; | |
c9d17fe8 | 321 | _Atomic uint32_t dp_out_queued; |
c831033f | 322 | _Atomic uint32_t dp_out_max; |
0545c373 | 323 | _Atomic uint32_t dp_error_counter; |
1d11b21f | 324 | |
c831033f MS |
325 | /* Queue of contexts inbound to the provider */ |
326 | struct dplane_ctx_q dp_ctx_in_q; | |
327 | ||
328 | /* Queue of completed contexts outbound from the provider back | |
329 | * towards the dataplane module. | |
330 | */ | |
331 | struct dplane_ctx_q dp_ctx_out_q; | |
7cdb1a84 | 332 | |
c831033f MS |
333 | /* Embedded list linkage for provider objects */ |
334 | TAILQ_ENTRY(zebra_dplane_provider) dp_prov_link; | |
7cdb1a84 MS |
335 | }; |
336 | ||
337 | /* | |
338 | * Globals | |
339 | */ | |
25779064 | 340 | static struct zebra_dplane_globals { |
7cdb1a84 MS |
341 | /* Mutex to control access to dataplane components */ |
342 | pthread_mutex_t dg_mutex; | |
343 | ||
344 | /* Results callback registered by zebra 'core' */ | |
4c206c8f | 345 | int (*dg_results_cb)(struct dplane_ctx_q *ctxlist); |
7cdb1a84 | 346 | |
4dfd7a02 MS |
347 | /* Sentinel for beginning of shutdown */ |
348 | volatile bool dg_is_shutdown; | |
349 | ||
350 | /* Sentinel for end of shutdown */ | |
1d11b21f MS |
351 | volatile bool dg_run; |
352 | ||
3fe4ccc4 MS |
353 | /* Update context queue inbound to the dataplane */ |
354 | TAILQ_HEAD(zdg_ctx_q, zebra_dplane_ctx) dg_update_ctx_q; | |
7cdb1a84 MS |
355 | |
356 | /* Ordered list of providers */ | |
25779064 | 357 | TAILQ_HEAD(zdg_prov_q, zebra_dplane_provider) dg_providers_q; |
7cdb1a84 | 358 | |
1d11b21f | 359 | /* Counter used to assign internal ids to providers */ |
b8e0423d MS |
360 | uint32_t dg_provider_id; |
361 | ||
91f16812 MS |
362 | /* Limit number of pending, unprocessed updates */ |
363 | _Atomic uint32_t dg_max_queued_updates; | |
364 | ||
cf363e1b MS |
365 | /* Control whether system route notifications should be produced. */ |
366 | bool dg_sys_route_notifs; | |
367 | ||
c831033f MS |
368 | /* Limit number of new updates dequeued at once, to pace an |
369 | * incoming burst. | |
370 | */ | |
371 | uint32_t dg_updates_per_cycle; | |
372 | ||
0545c373 | 373 | _Atomic uint32_t dg_routes_in; |
1d11b21f | 374 | _Atomic uint32_t dg_routes_queued; |
4dfd7a02 | 375 | _Atomic uint32_t dg_routes_queued_max; |
0545c373 | 376 | _Atomic uint32_t dg_route_errors; |
16c628de MS |
377 | _Atomic uint32_t dg_other_errors; |
378 | ||
f820d025 SW |
379 | _Atomic uint32_t dg_nexthops_in; |
380 | _Atomic uint32_t dg_nexthop_errors; | |
381 | ||
16c628de | 382 | _Atomic uint32_t dg_lsps_in; |
16c628de MS |
383 | _Atomic uint32_t dg_lsp_errors; |
384 | ||
97d8d05a MS |
385 | _Atomic uint32_t dg_pws_in; |
386 | _Atomic uint32_t dg_pw_errors; | |
387 | ||
64168803 MS |
388 | _Atomic uint32_t dg_intf_addrs_in; |
389 | _Atomic uint32_t dg_intf_addr_errors; | |
390 | ||
7597ac7b MS |
391 | _Atomic uint32_t dg_macs_in; |
392 | _Atomic uint32_t dg_mac_errors; | |
393 | ||
931fa60c MS |
394 | _Atomic uint32_t dg_neighs_in; |
395 | _Atomic uint32_t dg_neigh_errors; | |
396 | ||
60d8d43b JU |
397 | _Atomic uint32_t dg_rules_in; |
398 | _Atomic uint32_t dg_rule_errors; | |
399 | ||
c831033f | 400 | _Atomic uint32_t dg_update_yields; |
1d11b21f | 401 | |
d8c16a95 MS |
402 | /* Dataplane pthread */ |
403 | struct frr_pthread *dg_pthread; | |
404 | ||
7cdb1a84 MS |
405 | /* Event-delivery context 'master' for the dplane */ |
406 | struct thread_master *dg_master; | |
407 | ||
408 | /* Event/'thread' pointer for queued updates */ | |
409 | struct thread *dg_t_update; | |
410 | ||
4dfd7a02 MS |
411 | /* Event pointer for pending shutdown check loop */ |
412 | struct thread *dg_t_shutdown_check; | |
413 | ||
25779064 | 414 | } zdplane_info; |
7cdb1a84 MS |
415 | |
416 | /* | |
c831033f | 417 | * Lock and unlock for interactions with the zebra 'core' pthread |
7cdb1a84 | 418 | */ |
25779064 | 419 | #define DPLANE_LOCK() pthread_mutex_lock(&zdplane_info.dg_mutex) |
25779064 | 420 | #define DPLANE_UNLOCK() pthread_mutex_unlock(&zdplane_info.dg_mutex) |
7cdb1a84 | 421 | |
c831033f MS |
422 | |
423 | /* | |
424 | * Lock and unlock for individual providers | |
425 | */ | |
426 | #define DPLANE_PROV_LOCK(p) pthread_mutex_lock(&((p)->dp_mutex)) | |
427 | #define DPLANE_PROV_UNLOCK(p) pthread_mutex_unlock(&((p)->dp_mutex)) | |
428 | ||
7cdb1a84 | 429 | /* Prototypes */ |
c831033f | 430 | static int dplane_thread_loop(struct thread *event); |
62b8bb7a MS |
431 | static void dplane_info_from_zns(struct zebra_dplane_info *ns_info, |
432 | struct zebra_ns *zns); | |
16c628de MS |
433 | static enum zebra_dplane_result lsp_update_internal(zebra_lsp_t *lsp, |
434 | enum dplane_op_e op); | |
97d8d05a MS |
435 | static enum zebra_dplane_result pw_update_internal(struct zebra_pw *pw, |
436 | enum dplane_op_e op); | |
64168803 MS |
437 | static enum zebra_dplane_result intf_addr_update_internal( |
438 | const struct interface *ifp, const struct connected *ifc, | |
439 | enum dplane_op_e op); | |
f73a8467 | 440 | static enum zebra_dplane_result mac_update_common( |
7597ac7b | 441 | enum dplane_op_e op, const struct interface *ifp, |
478566d6 | 442 | const struct interface *br_ifp, |
7597ac7b MS |
443 | vlanid_t vid, const struct ethaddr *mac, |
444 | struct in_addr vtep_ip, bool sticky); | |
931fa60c MS |
445 | static enum zebra_dplane_result neigh_update_internal( |
446 | enum dplane_op_e op, | |
447 | const struct interface *ifp, | |
448 | const struct ethaddr *mac, | |
449 | const struct ipaddr *ip, | |
450 | uint32_t flags, uint16_t state); | |
7cdb1a84 MS |
451 | |
452 | /* | |
453 | * Public APIs | |
454 | */ | |
455 | ||
ad6aad4d MS |
456 | /* Obtain thread_master for dataplane thread */ |
457 | struct thread_master *dplane_get_thread_master(void) | |
458 | { | |
459 | return zdplane_info.dg_master; | |
460 | } | |
461 | ||
7cdb1a84 | 462 | /* |
b8e0423d | 463 | * Allocate a dataplane update context |
7cdb1a84 | 464 | */ |
593e4eb1 | 465 | struct zebra_dplane_ctx *dplane_ctx_alloc(void) |
7cdb1a84 | 466 | { |
25779064 | 467 | struct zebra_dplane_ctx *p; |
7cdb1a84 | 468 | |
b8e0423d MS |
469 | /* TODO -- just alloc'ing memory, but would like to maintain |
470 | * a pool | |
471 | */ | |
25779064 | 472 | p = XCALLOC(MTYPE_DP_CTX, sizeof(struct zebra_dplane_ctx)); |
7cdb1a84 | 473 | |
5709131c | 474 | return p; |
7cdb1a84 MS |
475 | } |
476 | ||
cf363e1b MS |
477 | /* Enable system route notifications */ |
478 | void dplane_enable_sys_route_notifs(void) | |
479 | { | |
480 | zdplane_info.dg_sys_route_notifs = true; | |
481 | } | |
482 | ||
7cdb1a84 | 483 | /* |
f73a8467 | 484 | * Clean up dependent/internal allocations inside a context object |
7cdb1a84 | 485 | */ |
f73a8467 | 486 | static void dplane_ctx_free_internal(struct zebra_dplane_ctx *ctx) |
7cdb1a84 | 487 | { |
f73a8467 MS |
488 | /* |
489 | * Some internal allocations may need to be freed, depending on | |
16c628de MS |
490 | * the type of info captured in the ctx. |
491 | */ | |
f73a8467 | 492 | switch (ctx->zd_op) { |
16c628de MS |
493 | case DPLANE_OP_ROUTE_INSTALL: |
494 | case DPLANE_OP_ROUTE_UPDATE: | |
495 | case DPLANE_OP_ROUTE_DELETE: | |
cf363e1b MS |
496 | case DPLANE_OP_SYS_ROUTE_ADD: |
497 | case DPLANE_OP_SYS_ROUTE_DELETE: | |
54818e3b | 498 | case DPLANE_OP_ROUTE_NOTIFY: |
b8e0423d | 499 | |
16c628de | 500 | /* Free allocated nexthops */ |
f73a8467 | 501 | if (ctx->u.rinfo.zd_ng.nexthop) { |
7cdb1a84 | 502 | /* This deals with recursive nexthops too */ |
f73a8467 | 503 | nexthops_free(ctx->u.rinfo.zd_ng.nexthop); |
16c628de | 504 | |
f73a8467 | 505 | ctx->u.rinfo.zd_ng.nexthop = NULL; |
7cdb1a84 MS |
506 | } |
507 | ||
1d48702e | 508 | /* Free backup info also (if present) */ |
f73a8467 | 509 | if (ctx->u.rinfo.backup_ng.nexthop) { |
1d48702e | 510 | /* This deals with recursive nexthops too */ |
f73a8467 | 511 | nexthops_free(ctx->u.rinfo.backup_ng.nexthop); |
1d48702e | 512 | |
f73a8467 | 513 | ctx->u.rinfo.backup_ng.nexthop = NULL; |
1d48702e MS |
514 | } |
515 | ||
f73a8467 | 516 | if (ctx->u.rinfo.zd_old_ng.nexthop) { |
4dfd7a02 | 517 | /* This deals with recursive nexthops too */ |
f73a8467 | 518 | nexthops_free(ctx->u.rinfo.zd_old_ng.nexthop); |
16c628de | 519 | |
f73a8467 | 520 | ctx->u.rinfo.zd_old_ng.nexthop = NULL; |
16c628de MS |
521 | } |
522 | ||
f73a8467 | 523 | if (ctx->u.rinfo.old_backup_ng.nexthop) { |
1d48702e | 524 | /* This deals with recursive nexthops too */ |
f73a8467 | 525 | nexthops_free(ctx->u.rinfo.old_backup_ng.nexthop); |
1d48702e | 526 | |
f73a8467 | 527 | ctx->u.rinfo.old_backup_ng.nexthop = NULL; |
1d48702e MS |
528 | } |
529 | ||
16c628de MS |
530 | break; |
531 | ||
f820d025 SW |
532 | case DPLANE_OP_NH_INSTALL: |
533 | case DPLANE_OP_NH_UPDATE: | |
534 | case DPLANE_OP_NH_DELETE: { | |
f73a8467 | 535 | if (ctx->u.rinfo.nhe.ng.nexthop) { |
0c8215cb | 536 | /* This deals with recursive nexthops too */ |
f73a8467 | 537 | nexthops_free(ctx->u.rinfo.nhe.ng.nexthop); |
0c8215cb | 538 | |
f73a8467 | 539 | ctx->u.rinfo.nhe.ng.nexthop = NULL; |
0c8215cb | 540 | } |
f820d025 SW |
541 | break; |
542 | } | |
543 | ||
16c628de MS |
544 | case DPLANE_OP_LSP_INSTALL: |
545 | case DPLANE_OP_LSP_UPDATE: | |
546 | case DPLANE_OP_LSP_DELETE: | |
104e3ad9 | 547 | case DPLANE_OP_LSP_NOTIFY: |
16c628de | 548 | { |
ee70f629 | 549 | zebra_nhlfe_t *nhlfe; |
16c628de | 550 | |
cd4bb96f MS |
551 | /* Unlink and free allocated NHLFEs */ |
552 | frr_each_safe(nhlfe_list, &ctx->u.lsp.nhlfe_list, nhlfe) { | |
553 | nhlfe_list_del(&ctx->u.lsp.nhlfe_list, nhlfe); | |
554 | zebra_mpls_nhlfe_free(nhlfe); | |
555 | } | |
556 | ||
557 | /* Unlink and free allocated backup NHLFEs, if present */ | |
558 | frr_each_safe(nhlfe_list, | |
559 | &(ctx->u.lsp.backup_nhlfe_list), nhlfe) { | |
560 | nhlfe_list_del(&ctx->u.lsp.backup_nhlfe_list, | |
561 | nhlfe); | |
562 | zebra_mpls_nhlfe_free(nhlfe); | |
563 | } | |
01ce7cba | 564 | |
cd4bb96f | 565 | /* Clear pointers in lsp struct, in case we're caching |
16c628de MS |
566 | * free context structs. |
567 | */ | |
ee70f629 | 568 | nhlfe_list_init(&ctx->u.lsp.nhlfe_list); |
f73a8467 | 569 | ctx->u.lsp.best_nhlfe = NULL; |
cd4bb96f | 570 | nhlfe_list_init(&ctx->u.lsp.backup_nhlfe_list); |
16c628de MS |
571 | |
572 | break; | |
573 | } | |
574 | ||
97d8d05a MS |
575 | case DPLANE_OP_PW_INSTALL: |
576 | case DPLANE_OP_PW_UNINSTALL: | |
16d69787 | 577 | /* Free allocated nexthops */ |
f73a8467 | 578 | if (ctx->u.pw.nhg.nexthop) { |
16d69787 | 579 | /* This deals with recursive nexthops too */ |
f73a8467 | 580 | nexthops_free(ctx->u.pw.nhg.nexthop); |
16d69787 | 581 | |
f73a8467 | 582 | ctx->u.pw.nhg.nexthop = NULL; |
16d69787 MS |
583 | } |
584 | break; | |
585 | ||
a4a4802a MS |
586 | case DPLANE_OP_ADDR_INSTALL: |
587 | case DPLANE_OP_ADDR_UNINSTALL: | |
64168803 | 588 | /* Maybe free label string, if allocated */ |
f73a8467 MS |
589 | if (ctx->u.intf.label != NULL && |
590 | ctx->u.intf.label != ctx->u.intf.label_buf) { | |
591 | free(ctx->u.intf.label); | |
592 | ctx->u.intf.label = NULL; | |
64168803 MS |
593 | } |
594 | break; | |
595 | ||
7597ac7b MS |
596 | case DPLANE_OP_MAC_INSTALL: |
597 | case DPLANE_OP_MAC_DELETE: | |
f2412b2d | 598 | case DPLANE_OP_NEIGH_INSTALL: |
931fa60c | 599 | case DPLANE_OP_NEIGH_UPDATE: |
f2412b2d | 600 | case DPLANE_OP_NEIGH_DELETE: |
0bbd4ff4 MS |
601 | case DPLANE_OP_VTEP_ADD: |
602 | case DPLANE_OP_VTEP_DELETE: | |
60d8d43b JU |
603 | case DPLANE_OP_RULE_ADD: |
604 | case DPLANE_OP_RULE_DELETE: | |
605 | case DPLANE_OP_RULE_UPDATE: | |
16c628de MS |
606 | case DPLANE_OP_NONE: |
607 | break; | |
7cdb1a84 | 608 | } |
f73a8467 MS |
609 | } |
610 | ||
611 | /* | |
612 | * Free a dataplane results context. | |
613 | */ | |
614 | static void dplane_ctx_free(struct zebra_dplane_ctx **pctx) | |
615 | { | |
616 | if (pctx == NULL) | |
617 | return; | |
618 | ||
619 | DPLANE_CTX_VALID(*pctx); | |
620 | ||
621 | /* TODO -- just freeing memory, but would like to maintain | |
622 | * a pool | |
623 | */ | |
624 | ||
625 | /* Some internal allocations may need to be freed, depending on | |
626 | * the type of info captured in the ctx. | |
627 | */ | |
628 | dplane_ctx_free_internal(*pctx); | |
16c628de MS |
629 | |
630 | XFREE(MTYPE_DP_CTX, *pctx); | |
7cdb1a84 MS |
631 | } |
632 | ||
f73a8467 MS |
633 | /* |
634 | * Reset an allocated context object for re-use. All internal allocations are | |
635 | * freed and the context is memset. | |
636 | */ | |
637 | void dplane_ctx_reset(struct zebra_dplane_ctx *ctx) | |
638 | { | |
639 | dplane_ctx_free_internal(ctx); | |
640 | memset(ctx, 0, sizeof(*ctx)); | |
641 | } | |
642 | ||
7cdb1a84 MS |
643 | /* |
644 | * Return a context block to the dplane module after processing | |
645 | */ | |
25779064 | 646 | void dplane_ctx_fini(struct zebra_dplane_ctx **pctx) |
7cdb1a84 | 647 | { |
14b0bc8e | 648 | /* TODO -- maintain pool; for now, just free */ |
7cdb1a84 MS |
649 | dplane_ctx_free(pctx); |
650 | } | |
651 | ||
652 | /* Enqueue a context block */ | |
25779064 MS |
653 | void dplane_ctx_enqueue_tail(struct dplane_ctx_q *q, |
654 | const struct zebra_dplane_ctx *ctx) | |
7cdb1a84 | 655 | { |
25779064 | 656 | TAILQ_INSERT_TAIL(q, (struct zebra_dplane_ctx *)ctx, zd_q_entries); |
7cdb1a84 MS |
657 | } |
658 | ||
14b0bc8e MS |
659 | /* Append a list of context blocks to another list */ |
660 | void dplane_ctx_list_append(struct dplane_ctx_q *to_list, | |
661 | struct dplane_ctx_q *from_list) | |
662 | { | |
663 | if (TAILQ_FIRST(from_list)) { | |
664 | TAILQ_CONCAT(to_list, from_list, zd_q_entries); | |
665 | ||
666 | /* And clear 'from' list */ | |
667 | TAILQ_INIT(from_list); | |
668 | } | |
669 | } | |
670 | ||
7cdb1a84 | 671 | /* Dequeue a context block from the head of a list */ |
68b375e0 | 672 | struct zebra_dplane_ctx *dplane_ctx_dequeue(struct dplane_ctx_q *q) |
7cdb1a84 | 673 | { |
25779064 | 674 | struct zebra_dplane_ctx *ctx = TAILQ_FIRST(q); |
5709131c MS |
675 | |
676 | if (ctx) | |
7cdb1a84 | 677 | TAILQ_REMOVE(q, ctx, zd_q_entries); |
7cdb1a84 | 678 | |
68b375e0 | 679 | return ctx; |
7cdb1a84 MS |
680 | } |
681 | ||
682 | /* | |
683 | * Accessors for information from the context object | |
684 | */ | |
25779064 MS |
685 | enum zebra_dplane_result dplane_ctx_get_status( |
686 | const struct zebra_dplane_ctx *ctx) | |
7cdb1a84 MS |
687 | { |
688 | DPLANE_CTX_VALID(ctx); | |
689 | ||
5709131c | 690 | return ctx->zd_status; |
7cdb1a84 MS |
691 | } |
692 | ||
c831033f MS |
693 | void dplane_ctx_set_status(struct zebra_dplane_ctx *ctx, |
694 | enum zebra_dplane_result status) | |
695 | { | |
696 | DPLANE_CTX_VALID(ctx); | |
697 | ||
698 | ctx->zd_status = status; | |
699 | } | |
700 | ||
701 | /* Retrieve last/current provider id */ | |
702 | uint32_t dplane_ctx_get_provider(const struct zebra_dplane_ctx *ctx) | |
703 | { | |
704 | DPLANE_CTX_VALID(ctx); | |
705 | return ctx->zd_provider; | |
706 | } | |
707 | ||
708 | /* Providers run before the kernel can control whether a kernel | |
709 | * update should be done. | |
710 | */ | |
711 | void dplane_ctx_set_skip_kernel(struct zebra_dplane_ctx *ctx) | |
712 | { | |
713 | DPLANE_CTX_VALID(ctx); | |
714 | ||
715 | SET_FLAG(ctx->zd_flags, DPLANE_CTX_FLAG_NO_KERNEL); | |
716 | } | |
717 | ||
718 | bool dplane_ctx_is_skip_kernel(const struct zebra_dplane_ctx *ctx) | |
719 | { | |
720 | DPLANE_CTX_VALID(ctx); | |
721 | ||
722 | return CHECK_FLAG(ctx->zd_flags, DPLANE_CTX_FLAG_NO_KERNEL); | |
723 | } | |
724 | ||
593e4eb1 MS |
725 | void dplane_ctx_set_op(struct zebra_dplane_ctx *ctx, enum dplane_op_e op) |
726 | { | |
727 | DPLANE_CTX_VALID(ctx); | |
728 | ctx->zd_op = op; | |
729 | } | |
730 | ||
25779064 | 731 | enum dplane_op_e dplane_ctx_get_op(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
732 | { |
733 | DPLANE_CTX_VALID(ctx); | |
734 | ||
5709131c | 735 | return ctx->zd_op; |
7cdb1a84 MS |
736 | } |
737 | ||
5709131c | 738 | const char *dplane_op2str(enum dplane_op_e op) |
7cdb1a84 MS |
739 | { |
740 | const char *ret = "UNKNOWN"; | |
741 | ||
5709131c | 742 | switch (op) { |
7cdb1a84 MS |
743 | case DPLANE_OP_NONE: |
744 | ret = "NONE"; | |
745 | break; | |
746 | ||
747 | /* Route update */ | |
748 | case DPLANE_OP_ROUTE_INSTALL: | |
749 | ret = "ROUTE_INSTALL"; | |
750 | break; | |
751 | case DPLANE_OP_ROUTE_UPDATE: | |
752 | ret = "ROUTE_UPDATE"; | |
753 | break; | |
754 | case DPLANE_OP_ROUTE_DELETE: | |
755 | ret = "ROUTE_DELETE"; | |
756 | break; | |
54818e3b MS |
757 | case DPLANE_OP_ROUTE_NOTIFY: |
758 | ret = "ROUTE_NOTIFY"; | |
759 | break; | |
7cdb1a84 | 760 | |
f820d025 SW |
761 | /* Nexthop update */ |
762 | case DPLANE_OP_NH_INSTALL: | |
763 | ret = "NH_INSTALL"; | |
764 | break; | |
765 | case DPLANE_OP_NH_UPDATE: | |
766 | ret = "NH_UPDATE"; | |
767 | break; | |
768 | case DPLANE_OP_NH_DELETE: | |
769 | ret = "NH_DELETE"; | |
770 | break; | |
771 | ||
16c628de MS |
772 | case DPLANE_OP_LSP_INSTALL: |
773 | ret = "LSP_INSTALL"; | |
774 | break; | |
775 | case DPLANE_OP_LSP_UPDATE: | |
776 | ret = "LSP_UPDATE"; | |
777 | break; | |
778 | case DPLANE_OP_LSP_DELETE: | |
779 | ret = "LSP_DELETE"; | |
780 | break; | |
104e3ad9 MS |
781 | case DPLANE_OP_LSP_NOTIFY: |
782 | ret = "LSP_NOTIFY"; | |
783 | break; | |
16c628de | 784 | |
97d8d05a MS |
785 | case DPLANE_OP_PW_INSTALL: |
786 | ret = "PW_INSTALL"; | |
787 | break; | |
788 | case DPLANE_OP_PW_UNINSTALL: | |
789 | ret = "PW_UNINSTALL"; | |
790 | break; | |
791 | ||
cf363e1b MS |
792 | case DPLANE_OP_SYS_ROUTE_ADD: |
793 | ret = "SYS_ROUTE_ADD"; | |
794 | break; | |
795 | case DPLANE_OP_SYS_ROUTE_DELETE: | |
796 | ret = "SYS_ROUTE_DEL"; | |
797 | break; | |
a4a4802a MS |
798 | |
799 | case DPLANE_OP_ADDR_INSTALL: | |
800 | ret = "ADDR_INSTALL"; | |
801 | break; | |
802 | case DPLANE_OP_ADDR_UNINSTALL: | |
803 | ret = "ADDR_UNINSTALL"; | |
804 | break; | |
805 | ||
7597ac7b MS |
806 | case DPLANE_OP_MAC_INSTALL: |
807 | ret = "MAC_INSTALL"; | |
808 | break; | |
809 | case DPLANE_OP_MAC_DELETE: | |
810 | ret = "MAC_DELETE"; | |
811 | break; | |
f2412b2d MS |
812 | |
813 | case DPLANE_OP_NEIGH_INSTALL: | |
814 | ret = "NEIGH_INSTALL"; | |
815 | break; | |
931fa60c MS |
816 | case DPLANE_OP_NEIGH_UPDATE: |
817 | ret = "NEIGH_UPDATE"; | |
818 | break; | |
f2412b2d MS |
819 | case DPLANE_OP_NEIGH_DELETE: |
820 | ret = "NEIGH_DELETE"; | |
821 | break; | |
0bbd4ff4 MS |
822 | case DPLANE_OP_VTEP_ADD: |
823 | ret = "VTEP_ADD"; | |
824 | break; | |
825 | case DPLANE_OP_VTEP_DELETE: | |
826 | ret = "VTEP_DELETE"; | |
827 | break; | |
60d8d43b JU |
828 | |
829 | case DPLANE_OP_RULE_ADD: | |
830 | ret = "RULE_ADD"; | |
831 | break; | |
832 | case DPLANE_OP_RULE_DELETE: | |
833 | ret = "RULE_DELETE"; | |
834 | break; | |
835 | case DPLANE_OP_RULE_UPDATE: | |
836 | ret = "RULE_UPDATE"; | |
837 | break; | |
5b94ec50 | 838 | } |
7cdb1a84 | 839 | |
5709131c | 840 | return ret; |
7cdb1a84 MS |
841 | } |
842 | ||
f183e380 MS |
843 | const char *dplane_res2str(enum zebra_dplane_result res) |
844 | { | |
845 | const char *ret = "<Unknown>"; | |
846 | ||
847 | switch (res) { | |
848 | case ZEBRA_DPLANE_REQUEST_FAILURE: | |
849 | ret = "FAILURE"; | |
850 | break; | |
851 | case ZEBRA_DPLANE_REQUEST_QUEUED: | |
852 | ret = "QUEUED"; | |
853 | break; | |
854 | case ZEBRA_DPLANE_REQUEST_SUCCESS: | |
855 | ret = "SUCCESS"; | |
856 | break; | |
2f74a82a JU |
857 | case ZEBRA_DPLANE_REQUEST_PENDING: |
858 | ret = "PENDING"; | |
5b94ec50 | 859 | } |
f183e380 MS |
860 | |
861 | return ret; | |
862 | } | |
863 | ||
593e4eb1 MS |
864 | void dplane_ctx_set_dest(struct zebra_dplane_ctx *ctx, |
865 | const struct prefix *dest) | |
866 | { | |
867 | DPLANE_CTX_VALID(ctx); | |
868 | ||
869 | prefix_copy(&(ctx->u.rinfo.zd_dest), dest); | |
870 | } | |
871 | ||
25779064 | 872 | const struct prefix *dplane_ctx_get_dest(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
873 | { |
874 | DPLANE_CTX_VALID(ctx); | |
875 | ||
0f461727 | 876 | return &(ctx->u.rinfo.zd_dest); |
7cdb1a84 MS |
877 | } |
878 | ||
593e4eb1 MS |
879 | void dplane_ctx_set_src(struct zebra_dplane_ctx *ctx, const struct prefix *src) |
880 | { | |
881 | DPLANE_CTX_VALID(ctx); | |
882 | ||
883 | if (src) | |
884 | prefix_copy(&(ctx->u.rinfo.zd_src), src); | |
885 | else | |
886 | memset(&(ctx->u.rinfo.zd_src), 0, sizeof(struct prefix)); | |
887 | } | |
888 | ||
5709131c | 889 | /* Source prefix is a little special - return NULL for "no src prefix" */ |
25779064 | 890 | const struct prefix *dplane_ctx_get_src(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
891 | { |
892 | DPLANE_CTX_VALID(ctx); | |
893 | ||
0f461727 MS |
894 | if (ctx->u.rinfo.zd_src.prefixlen == 0 && |
895 | IN6_IS_ADDR_UNSPECIFIED(&(ctx->u.rinfo.zd_src.u.prefix6))) { | |
5709131c | 896 | return NULL; |
7cdb1a84 | 897 | } else { |
0f461727 | 898 | return &(ctx->u.rinfo.zd_src); |
7cdb1a84 MS |
899 | } |
900 | } | |
901 | ||
25779064 | 902 | bool dplane_ctx_is_update(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
903 | { |
904 | DPLANE_CTX_VALID(ctx); | |
905 | ||
5709131c | 906 | return ctx->zd_is_update; |
7cdb1a84 MS |
907 | } |
908 | ||
25779064 | 909 | uint32_t dplane_ctx_get_seq(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
910 | { |
911 | DPLANE_CTX_VALID(ctx); | |
912 | ||
5709131c | 913 | return ctx->zd_seq; |
7cdb1a84 MS |
914 | } |
915 | ||
25779064 | 916 | uint32_t dplane_ctx_get_old_seq(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
917 | { |
918 | DPLANE_CTX_VALID(ctx); | |
919 | ||
5709131c | 920 | return ctx->zd_old_seq; |
7cdb1a84 MS |
921 | } |
922 | ||
593e4eb1 MS |
923 | void dplane_ctx_set_vrf(struct zebra_dplane_ctx *ctx, vrf_id_t vrf) |
924 | { | |
925 | DPLANE_CTX_VALID(ctx); | |
926 | ||
927 | ctx->zd_vrf_id = vrf; | |
928 | } | |
929 | ||
25779064 | 930 | vrf_id_t dplane_ctx_get_vrf(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
931 | { |
932 | DPLANE_CTX_VALID(ctx); | |
933 | ||
5709131c | 934 | return ctx->zd_vrf_id; |
7cdb1a84 MS |
935 | } |
936 | ||
0024a559 MS |
937 | bool dplane_ctx_is_from_notif(const struct zebra_dplane_ctx *ctx) |
938 | { | |
939 | DPLANE_CTX_VALID(ctx); | |
940 | ||
941 | return (ctx->zd_notif_provider != 0); | |
942 | } | |
943 | ||
944 | uint32_t dplane_ctx_get_notif_provider(const struct zebra_dplane_ctx *ctx) | |
945 | { | |
946 | DPLANE_CTX_VALID(ctx); | |
947 | ||
948 | return ctx->zd_notif_provider; | |
949 | } | |
950 | ||
9651af61 MS |
951 | void dplane_ctx_set_notif_provider(struct zebra_dplane_ctx *ctx, |
952 | uint32_t id) | |
953 | { | |
954 | DPLANE_CTX_VALID(ctx); | |
955 | ||
956 | ctx->zd_notif_provider = id; | |
957 | } | |
fd563cc7 | 958 | |
7c7ef4a8 MS |
959 | const char *dplane_ctx_get_ifname(const struct zebra_dplane_ctx *ctx) |
960 | { | |
961 | DPLANE_CTX_VALID(ctx); | |
962 | ||
963 | return ctx->zd_ifname; | |
964 | } | |
965 | ||
fd563cc7 KS |
966 | void dplane_ctx_set_ifname(struct zebra_dplane_ctx *ctx, const char *ifname) |
967 | { | |
968 | DPLANE_CTX_VALID(ctx); | |
969 | ||
970 | if (!ifname) | |
971 | return; | |
972 | ||
973 | strlcpy(ctx->zd_ifname, ifname, sizeof(ctx->zd_ifname)); | |
974 | } | |
975 | ||
7c7ef4a8 MS |
976 | ifindex_t dplane_ctx_get_ifindex(const struct zebra_dplane_ctx *ctx) |
977 | { | |
978 | DPLANE_CTX_VALID(ctx); | |
979 | ||
980 | return ctx->zd_ifindex; | |
981 | } | |
9651af61 | 982 | |
593e4eb1 MS |
983 | void dplane_ctx_set_type(struct zebra_dplane_ctx *ctx, int type) |
984 | { | |
985 | DPLANE_CTX_VALID(ctx); | |
986 | ||
987 | ctx->u.rinfo.zd_type = type; | |
988 | } | |
989 | ||
25779064 | 990 | int dplane_ctx_get_type(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
991 | { |
992 | DPLANE_CTX_VALID(ctx); | |
993 | ||
0f461727 | 994 | return ctx->u.rinfo.zd_type; |
7cdb1a84 MS |
995 | } |
996 | ||
25779064 | 997 | int dplane_ctx_get_old_type(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
998 | { |
999 | DPLANE_CTX_VALID(ctx); | |
1000 | ||
0f461727 | 1001 | return ctx->u.rinfo.zd_old_type; |
7cdb1a84 MS |
1002 | } |
1003 | ||
593e4eb1 MS |
1004 | void dplane_ctx_set_afi(struct zebra_dplane_ctx *ctx, afi_t afi) |
1005 | { | |
1006 | DPLANE_CTX_VALID(ctx); | |
1007 | ||
1008 | ctx->u.rinfo.zd_afi = afi; | |
1009 | } | |
1010 | ||
25779064 | 1011 | afi_t dplane_ctx_get_afi(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1012 | { |
1013 | DPLANE_CTX_VALID(ctx); | |
1014 | ||
0f461727 | 1015 | return ctx->u.rinfo.zd_afi; |
7cdb1a84 MS |
1016 | } |
1017 | ||
593e4eb1 MS |
1018 | void dplane_ctx_set_safi(struct zebra_dplane_ctx *ctx, safi_t safi) |
1019 | { | |
1020 | DPLANE_CTX_VALID(ctx); | |
1021 | ||
1022 | ctx->u.rinfo.zd_safi = safi; | |
1023 | } | |
1024 | ||
25779064 | 1025 | safi_t dplane_ctx_get_safi(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1026 | { |
1027 | DPLANE_CTX_VALID(ctx); | |
1028 | ||
0f461727 | 1029 | return ctx->u.rinfo.zd_safi; |
7cdb1a84 MS |
1030 | } |
1031 | ||
593e4eb1 MS |
1032 | void dplane_ctx_set_table(struct zebra_dplane_ctx *ctx, uint32_t table) |
1033 | { | |
1034 | DPLANE_CTX_VALID(ctx); | |
1035 | ||
1036 | ctx->zd_table_id = table; | |
1037 | } | |
1038 | ||
25779064 | 1039 | uint32_t dplane_ctx_get_table(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1040 | { |
1041 | DPLANE_CTX_VALID(ctx); | |
1042 | ||
5709131c | 1043 | return ctx->zd_table_id; |
7cdb1a84 MS |
1044 | } |
1045 | ||
25779064 | 1046 | route_tag_t dplane_ctx_get_tag(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1047 | { |
1048 | DPLANE_CTX_VALID(ctx); | |
1049 | ||
0f461727 | 1050 | return ctx->u.rinfo.zd_tag; |
7cdb1a84 MS |
1051 | } |
1052 | ||
6a91ae98 MS |
1053 | void dplane_ctx_set_tag(struct zebra_dplane_ctx *ctx, route_tag_t tag) |
1054 | { | |
1055 | DPLANE_CTX_VALID(ctx); | |
1056 | ||
1057 | ctx->u.rinfo.zd_tag = tag; | |
1058 | } | |
1059 | ||
25779064 | 1060 | route_tag_t dplane_ctx_get_old_tag(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1061 | { |
1062 | DPLANE_CTX_VALID(ctx); | |
1063 | ||
0f461727 | 1064 | return ctx->u.rinfo.zd_old_tag; |
7cdb1a84 MS |
1065 | } |
1066 | ||
25779064 | 1067 | uint16_t dplane_ctx_get_instance(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1068 | { |
1069 | DPLANE_CTX_VALID(ctx); | |
1070 | ||
0f461727 | 1071 | return ctx->u.rinfo.zd_instance; |
7cdb1a84 MS |
1072 | } |
1073 | ||
6a91ae98 MS |
1074 | void dplane_ctx_set_instance(struct zebra_dplane_ctx *ctx, uint16_t instance) |
1075 | { | |
1076 | DPLANE_CTX_VALID(ctx); | |
1077 | ||
1078 | ctx->u.rinfo.zd_instance = instance; | |
1079 | } | |
1080 | ||
25779064 | 1081 | uint16_t dplane_ctx_get_old_instance(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1082 | { |
1083 | DPLANE_CTX_VALID(ctx); | |
1084 | ||
0f461727 | 1085 | return ctx->u.rinfo.zd_old_instance; |
7cdb1a84 MS |
1086 | } |
1087 | ||
25779064 | 1088 | uint32_t dplane_ctx_get_metric(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1089 | { |
1090 | DPLANE_CTX_VALID(ctx); | |
1091 | ||
0f461727 | 1092 | return ctx->u.rinfo.zd_metric; |
7cdb1a84 MS |
1093 | } |
1094 | ||
25779064 | 1095 | uint32_t dplane_ctx_get_old_metric(const struct zebra_dplane_ctx *ctx) |
01ce7cba MS |
1096 | { |
1097 | DPLANE_CTX_VALID(ctx); | |
1098 | ||
0f461727 | 1099 | return ctx->u.rinfo.zd_old_metric; |
01ce7cba MS |
1100 | } |
1101 | ||
25779064 | 1102 | uint32_t dplane_ctx_get_mtu(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1103 | { |
1104 | DPLANE_CTX_VALID(ctx); | |
1105 | ||
0f461727 | 1106 | return ctx->u.rinfo.zd_mtu; |
7cdb1a84 MS |
1107 | } |
1108 | ||
25779064 | 1109 | uint32_t dplane_ctx_get_nh_mtu(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1110 | { |
1111 | DPLANE_CTX_VALID(ctx); | |
1112 | ||
0f461727 | 1113 | return ctx->u.rinfo.zd_nexthop_mtu; |
7cdb1a84 MS |
1114 | } |
1115 | ||
25779064 | 1116 | uint8_t dplane_ctx_get_distance(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1117 | { |
1118 | DPLANE_CTX_VALID(ctx); | |
1119 | ||
0f461727 | 1120 | return ctx->u.rinfo.zd_distance; |
7cdb1a84 MS |
1121 | } |
1122 | ||
6a91ae98 MS |
1123 | void dplane_ctx_set_distance(struct zebra_dplane_ctx *ctx, uint8_t distance) |
1124 | { | |
1125 | DPLANE_CTX_VALID(ctx); | |
1126 | ||
1127 | ctx->u.rinfo.zd_distance = distance; | |
1128 | } | |
1129 | ||
25779064 | 1130 | uint8_t dplane_ctx_get_old_distance(const struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
1131 | { |
1132 | DPLANE_CTX_VALID(ctx); | |
1133 | ||
0f461727 | 1134 | return ctx->u.rinfo.zd_old_distance; |
7cdb1a84 MS |
1135 | } |
1136 | ||
e1f3a8eb MS |
1137 | /* |
1138 | * Set the nexthops associated with a context: note that processing code | |
1139 | * may well expect that nexthops are in canonical (sorted) order, so we | |
1140 | * will enforce that here. | |
1141 | */ | |
593e4eb1 MS |
1142 | void dplane_ctx_set_nexthops(struct zebra_dplane_ctx *ctx, struct nexthop *nh) |
1143 | { | |
1144 | DPLANE_CTX_VALID(ctx); | |
1145 | ||
1146 | if (ctx->u.rinfo.zd_ng.nexthop) { | |
1147 | nexthops_free(ctx->u.rinfo.zd_ng.nexthop); | |
1148 | ctx->u.rinfo.zd_ng.nexthop = NULL; | |
1149 | } | |
e1f3a8eb | 1150 | nexthop_group_copy_nh_sorted(&(ctx->u.rinfo.zd_ng), nh); |
593e4eb1 MS |
1151 | } |
1152 | ||
928f94a9 MS |
1153 | /* |
1154 | * Set the list of backup nexthops; their ordering is preserved (they're not | |
1155 | * re-sorted.) | |
1156 | */ | |
1157 | void dplane_ctx_set_backup_nhg(struct zebra_dplane_ctx *ctx, | |
1158 | const struct nexthop_group *nhg) | |
1159 | { | |
1160 | struct nexthop *nh, *last_nh, *nexthop; | |
1161 | ||
1162 | DPLANE_CTX_VALID(ctx); | |
1163 | ||
1164 | if (ctx->u.rinfo.backup_ng.nexthop) { | |
1165 | nexthops_free(ctx->u.rinfo.backup_ng.nexthop); | |
1166 | ctx->u.rinfo.backup_ng.nexthop = NULL; | |
1167 | } | |
1168 | ||
1169 | last_nh = NULL; | |
1170 | ||
1171 | /* Be careful to preserve the order of the backup list */ | |
1172 | for (nh = nhg->nexthop; nh; nh = nh->next) { | |
1173 | nexthop = nexthop_dup(nh, NULL); | |
1174 | ||
1175 | if (last_nh) | |
1176 | NEXTHOP_APPEND(last_nh, nexthop); | |
1177 | else | |
1178 | ctx->u.rinfo.backup_ng.nexthop = nexthop; | |
1179 | ||
1180 | last_nh = nexthop; | |
1181 | } | |
1182 | } | |
1183 | ||
1d48702e MS |
1184 | uint32_t dplane_ctx_get_nhg_id(const struct zebra_dplane_ctx *ctx) |
1185 | { | |
1186 | DPLANE_CTX_VALID(ctx); | |
1187 | return ctx->u.rinfo.zd_nhg_id; | |
1188 | } | |
1189 | ||
25779064 MS |
1190 | const struct nexthop_group *dplane_ctx_get_ng( |
1191 | const struct zebra_dplane_ctx *ctx) | |
7cdb1a84 MS |
1192 | { |
1193 | DPLANE_CTX_VALID(ctx); | |
1194 | ||
0f461727 | 1195 | return &(ctx->u.rinfo.zd_ng); |
7cdb1a84 MS |
1196 | } |
1197 | ||
1d48702e MS |
1198 | const struct nexthop_group * |
1199 | dplane_ctx_get_backup_ng(const struct zebra_dplane_ctx *ctx) | |
1200 | { | |
1201 | DPLANE_CTX_VALID(ctx); | |
1202 | ||
1203 | return &(ctx->u.rinfo.backup_ng); | |
1204 | } | |
1205 | ||
1206 | const struct nexthop_group * | |
1207 | dplane_ctx_get_old_ng(const struct zebra_dplane_ctx *ctx) | |
01ce7cba MS |
1208 | { |
1209 | DPLANE_CTX_VALID(ctx); | |
1210 | ||
0f461727 | 1211 | return &(ctx->u.rinfo.zd_old_ng); |
01ce7cba MS |
1212 | } |
1213 | ||
1d48702e MS |
1214 | const struct nexthop_group * |
1215 | dplane_ctx_get_old_backup_ng(const struct zebra_dplane_ctx *ctx) | |
1216 | { | |
1217 | DPLANE_CTX_VALID(ctx); | |
1218 | ||
1219 | return &(ctx->u.rinfo.old_backup_ng); | |
1220 | } | |
1221 | ||
25779064 MS |
1222 | const struct zebra_dplane_info *dplane_ctx_get_ns( |
1223 | const struct zebra_dplane_ctx *ctx) | |
7cdb1a84 MS |
1224 | { |
1225 | DPLANE_CTX_VALID(ctx); | |
1226 | ||
5709131c | 1227 | return &(ctx->zd_ns_info); |
7cdb1a84 MS |
1228 | } |
1229 | ||
f820d025 | 1230 | /* Accessors for nexthop information */ |
0c8215cb SW |
1231 | uint32_t dplane_ctx_get_nhe_id(const struct zebra_dplane_ctx *ctx) |
1232 | { | |
1233 | DPLANE_CTX_VALID(ctx); | |
1234 | return ctx->u.rinfo.nhe.id; | |
1235 | } | |
1236 | ||
1237 | afi_t dplane_ctx_get_nhe_afi(const struct zebra_dplane_ctx *ctx) | |
1238 | { | |
1239 | DPLANE_CTX_VALID(ctx); | |
1240 | return ctx->u.rinfo.nhe.afi; | |
1241 | } | |
1242 | ||
1243 | vrf_id_t dplane_ctx_get_nhe_vrf_id(const struct zebra_dplane_ctx *ctx) | |
f820d025 SW |
1244 | { |
1245 | DPLANE_CTX_VALID(ctx); | |
0c8215cb SW |
1246 | return ctx->u.rinfo.nhe.vrf_id; |
1247 | } | |
1248 | ||
38e40db1 | 1249 | int dplane_ctx_get_nhe_type(const struct zebra_dplane_ctx *ctx) |
0c8215cb SW |
1250 | { |
1251 | DPLANE_CTX_VALID(ctx); | |
38e40db1 | 1252 | return ctx->u.rinfo.nhe.type; |
0c8215cb SW |
1253 | } |
1254 | ||
1255 | const struct nexthop_group * | |
1256 | dplane_ctx_get_nhe_ng(const struct zebra_dplane_ctx *ctx) | |
1257 | { | |
1258 | DPLANE_CTX_VALID(ctx); | |
1259 | return &(ctx->u.rinfo.nhe.ng); | |
1260 | } | |
1261 | ||
e22e8001 SW |
1262 | const struct nh_grp * |
1263 | dplane_ctx_get_nhe_nh_grp(const struct zebra_dplane_ctx *ctx) | |
0c8215cb SW |
1264 | { |
1265 | DPLANE_CTX_VALID(ctx); | |
e22e8001 | 1266 | return ctx->u.rinfo.nhe.nh_grp; |
0c8215cb SW |
1267 | } |
1268 | ||
e22e8001 | 1269 | uint8_t dplane_ctx_get_nhe_nh_grp_count(const struct zebra_dplane_ctx *ctx) |
0c8215cb SW |
1270 | { |
1271 | DPLANE_CTX_VALID(ctx); | |
e22e8001 | 1272 | return ctx->u.rinfo.nhe.nh_grp_count; |
f820d025 SW |
1273 | } |
1274 | ||
0f461727 MS |
1275 | /* Accessors for LSP information */ |
1276 | ||
1277 | mpls_label_t dplane_ctx_get_in_label(const struct zebra_dplane_ctx *ctx) | |
1278 | { | |
1279 | DPLANE_CTX_VALID(ctx); | |
1280 | ||
1281 | return ctx->u.lsp.ile.in_label; | |
1282 | } | |
1283 | ||
3ab54059 MS |
1284 | void dplane_ctx_set_in_label(struct zebra_dplane_ctx *ctx, mpls_label_t label) |
1285 | { | |
1286 | DPLANE_CTX_VALID(ctx); | |
1287 | ||
1288 | ctx->u.lsp.ile.in_label = label; | |
1289 | } | |
1290 | ||
0f461727 MS |
1291 | uint8_t dplane_ctx_get_addr_family(const struct zebra_dplane_ctx *ctx) |
1292 | { | |
1293 | DPLANE_CTX_VALID(ctx); | |
1294 | ||
1295 | return ctx->u.lsp.addr_family; | |
1296 | } | |
1297 | ||
3ab54059 MS |
1298 | void dplane_ctx_set_addr_family(struct zebra_dplane_ctx *ctx, |
1299 | uint8_t family) | |
1300 | { | |
1301 | DPLANE_CTX_VALID(ctx); | |
1302 | ||
1303 | ctx->u.lsp.addr_family = family; | |
1304 | } | |
1305 | ||
0f461727 MS |
1306 | uint32_t dplane_ctx_get_lsp_flags(const struct zebra_dplane_ctx *ctx) |
1307 | { | |
1308 | DPLANE_CTX_VALID(ctx); | |
1309 | ||
1310 | return ctx->u.lsp.flags; | |
1311 | } | |
1312 | ||
3ab54059 MS |
1313 | void dplane_ctx_set_lsp_flags(struct zebra_dplane_ctx *ctx, |
1314 | uint32_t flags) | |
1315 | { | |
1316 | DPLANE_CTX_VALID(ctx); | |
1317 | ||
1318 | ctx->u.lsp.flags = flags; | |
1319 | } | |
1320 | ||
ee70f629 MS |
1321 | const struct nhlfe_list_head *dplane_ctx_get_nhlfe_list( |
1322 | const struct zebra_dplane_ctx *ctx) | |
0f461727 MS |
1323 | { |
1324 | DPLANE_CTX_VALID(ctx); | |
ee70f629 | 1325 | return &(ctx->u.lsp.nhlfe_list); |
0f461727 MS |
1326 | } |
1327 | ||
cd4bb96f MS |
1328 | const struct nhlfe_list_head *dplane_ctx_get_backup_nhlfe_list( |
1329 | const struct zebra_dplane_ctx *ctx) | |
1330 | { | |
1331 | DPLANE_CTX_VALID(ctx); | |
1332 | return &(ctx->u.lsp.backup_nhlfe_list); | |
1333 | } | |
1334 | ||
3ab54059 MS |
1335 | zebra_nhlfe_t *dplane_ctx_add_nhlfe(struct zebra_dplane_ctx *ctx, |
1336 | enum lsp_types_t lsp_type, | |
1337 | enum nexthop_types_t nh_type, | |
963a9803 | 1338 | const union g_addr *gate, |
3ab54059 | 1339 | ifindex_t ifindex, |
5065db0a | 1340 | uint8_t num_labels, |
ee70f629 | 1341 | mpls_label_t *out_labels) |
3ab54059 MS |
1342 | { |
1343 | zebra_nhlfe_t *nhlfe; | |
1344 | ||
1345 | DPLANE_CTX_VALID(ctx); | |
1346 | ||
1347 | nhlfe = zebra_mpls_lsp_add_nhlfe(&(ctx->u.lsp), | |
1348 | lsp_type, nh_type, gate, | |
5065db0a | 1349 | ifindex, num_labels, out_labels); |
3ab54059 MS |
1350 | |
1351 | return nhlfe; | |
1352 | } | |
1353 | ||
cd4bb96f MS |
1354 | zebra_nhlfe_t *dplane_ctx_add_backup_nhlfe(struct zebra_dplane_ctx *ctx, |
1355 | enum lsp_types_t lsp_type, | |
1356 | enum nexthop_types_t nh_type, | |
963a9803 | 1357 | const union g_addr *gate, |
cd4bb96f MS |
1358 | ifindex_t ifindex, |
1359 | uint8_t num_labels, | |
1360 | mpls_label_t *out_labels) | |
1361 | { | |
1362 | zebra_nhlfe_t *nhlfe; | |
1363 | ||
1364 | DPLANE_CTX_VALID(ctx); | |
1365 | ||
1366 | nhlfe = zebra_mpls_lsp_add_backup_nhlfe(&(ctx->u.lsp), | |
1367 | lsp_type, nh_type, gate, | |
1368 | ifindex, num_labels, | |
1369 | out_labels); | |
1370 | ||
1371 | return nhlfe; | |
1372 | } | |
1373 | ||
81793ac1 MS |
1374 | const zebra_nhlfe_t * |
1375 | dplane_ctx_get_best_nhlfe(const struct zebra_dplane_ctx *ctx) | |
0f461727 MS |
1376 | { |
1377 | DPLANE_CTX_VALID(ctx); | |
1378 | ||
1379 | return ctx->u.lsp.best_nhlfe; | |
1380 | } | |
1381 | ||
3ab54059 MS |
1382 | const zebra_nhlfe_t * |
1383 | dplane_ctx_set_best_nhlfe(struct zebra_dplane_ctx *ctx, | |
1384 | zebra_nhlfe_t *nhlfe) | |
1385 | { | |
1386 | DPLANE_CTX_VALID(ctx); | |
1387 | ||
1388 | ctx->u.lsp.best_nhlfe = nhlfe; | |
1389 | return ctx->u.lsp.best_nhlfe; | |
1390 | } | |
1391 | ||
0f461727 MS |
1392 | uint32_t dplane_ctx_get_lsp_num_ecmp(const struct zebra_dplane_ctx *ctx) |
1393 | { | |
1394 | DPLANE_CTX_VALID(ctx); | |
1395 | ||
1396 | return ctx->u.lsp.num_ecmp; | |
1397 | } | |
1398 | ||
d613b8e1 MS |
1399 | mpls_label_t dplane_ctx_get_pw_local_label(const struct zebra_dplane_ctx *ctx) |
1400 | { | |
1401 | DPLANE_CTX_VALID(ctx); | |
1402 | ||
1403 | return ctx->u.pw.local_label; | |
1404 | } | |
1405 | ||
1406 | mpls_label_t dplane_ctx_get_pw_remote_label(const struct zebra_dplane_ctx *ctx) | |
1407 | { | |
1408 | DPLANE_CTX_VALID(ctx); | |
1409 | ||
1410 | return ctx->u.pw.remote_label; | |
1411 | } | |
1412 | ||
1413 | int dplane_ctx_get_pw_type(const struct zebra_dplane_ctx *ctx) | |
1414 | { | |
1415 | DPLANE_CTX_VALID(ctx); | |
1416 | ||
1417 | return ctx->u.pw.type; | |
1418 | } | |
1419 | ||
1420 | int dplane_ctx_get_pw_af(const struct zebra_dplane_ctx *ctx) | |
1421 | { | |
1422 | DPLANE_CTX_VALID(ctx); | |
1423 | ||
1424 | return ctx->u.pw.af; | |
1425 | } | |
1426 | ||
1427 | uint32_t dplane_ctx_get_pw_flags(const struct zebra_dplane_ctx *ctx) | |
1428 | { | |
1429 | DPLANE_CTX_VALID(ctx); | |
1430 | ||
1431 | return ctx->u.pw.flags; | |
1432 | } | |
1433 | ||
1434 | int dplane_ctx_get_pw_status(const struct zebra_dplane_ctx *ctx) | |
1435 | { | |
1436 | DPLANE_CTX_VALID(ctx); | |
1437 | ||
1438 | return ctx->u.pw.status; | |
1439 | } | |
1440 | ||
fd563cc7 KS |
1441 | void dplane_ctx_set_pw_status(struct zebra_dplane_ctx *ctx, int status) |
1442 | { | |
1443 | DPLANE_CTX_VALID(ctx); | |
1444 | ||
1445 | ctx->u.pw.status = status; | |
1446 | } | |
1447 | ||
16d69787 | 1448 | const union g_addr *dplane_ctx_get_pw_dest( |
d613b8e1 MS |
1449 | const struct zebra_dplane_ctx *ctx) |
1450 | { | |
1451 | DPLANE_CTX_VALID(ctx); | |
1452 | ||
16d69787 | 1453 | return &(ctx->u.pw.dest); |
d613b8e1 MS |
1454 | } |
1455 | ||
1456 | const union pw_protocol_fields *dplane_ctx_get_pw_proto( | |
1457 | const struct zebra_dplane_ctx *ctx) | |
1458 | { | |
1459 | DPLANE_CTX_VALID(ctx); | |
1460 | ||
1461 | return &(ctx->u.pw.fields); | |
1462 | } | |
1463 | ||
09cd307c MS |
1464 | const struct nexthop_group * |
1465 | dplane_ctx_get_pw_nhg(const struct zebra_dplane_ctx *ctx) | |
1466 | { | |
1467 | DPLANE_CTX_VALID(ctx); | |
1468 | ||
1469 | return &(ctx->u.pw.nhg); | |
1470 | } | |
1471 | ||
a4a4802a | 1472 | /* Accessors for interface information */ |
a4a4802a MS |
1473 | uint32_t dplane_ctx_get_intf_metric(const struct zebra_dplane_ctx *ctx) |
1474 | { | |
1475 | DPLANE_CTX_VALID(ctx); | |
1476 | ||
1477 | return ctx->u.intf.metric; | |
1478 | } | |
1479 | ||
1480 | /* Is interface addr p2p? */ | |
1481 | bool dplane_ctx_intf_is_connected(const struct zebra_dplane_ctx *ctx) | |
1482 | { | |
1483 | DPLANE_CTX_VALID(ctx); | |
1484 | ||
1485 | return (ctx->u.intf.flags & DPLANE_INTF_CONNECTED); | |
1486 | } | |
1487 | ||
1488 | bool dplane_ctx_intf_is_secondary(const struct zebra_dplane_ctx *ctx) | |
1489 | { | |
1490 | DPLANE_CTX_VALID(ctx); | |
1491 | ||
1492 | return (ctx->u.intf.flags & DPLANE_INTF_SECONDARY); | |
1493 | } | |
1494 | ||
64168803 MS |
1495 | bool dplane_ctx_intf_is_broadcast(const struct zebra_dplane_ctx *ctx) |
1496 | { | |
1497 | DPLANE_CTX_VALID(ctx); | |
1498 | ||
1499 | return (ctx->u.intf.flags & DPLANE_INTF_BROADCAST); | |
1500 | } | |
1501 | ||
a4a4802a MS |
1502 | const struct prefix *dplane_ctx_get_intf_addr( |
1503 | const struct zebra_dplane_ctx *ctx) | |
1504 | { | |
1505 | DPLANE_CTX_VALID(ctx); | |
1506 | ||
1507 | return &(ctx->u.intf.prefix); | |
1508 | } | |
1509 | ||
1510 | bool dplane_ctx_intf_has_dest(const struct zebra_dplane_ctx *ctx) | |
1511 | { | |
1512 | DPLANE_CTX_VALID(ctx); | |
1513 | ||
1514 | return (ctx->u.intf.flags & DPLANE_INTF_HAS_DEST); | |
1515 | } | |
1516 | ||
1517 | const struct prefix *dplane_ctx_get_intf_dest( | |
1518 | const struct zebra_dplane_ctx *ctx) | |
1519 | { | |
1520 | DPLANE_CTX_VALID(ctx); | |
1521 | ||
1522 | if (ctx->u.intf.flags & DPLANE_INTF_HAS_DEST) | |
1523 | return &(ctx->u.intf.dest_prefix); | |
1524 | else | |
1525 | return NULL; | |
1526 | } | |
1527 | ||
1528 | bool dplane_ctx_intf_has_label(const struct zebra_dplane_ctx *ctx) | |
1529 | { | |
1530 | DPLANE_CTX_VALID(ctx); | |
1531 | ||
1532 | return (ctx->u.intf.flags & DPLANE_INTF_HAS_LABEL); | |
1533 | } | |
1534 | ||
1535 | const char *dplane_ctx_get_intf_label(const struct zebra_dplane_ctx *ctx) | |
1536 | { | |
1537 | DPLANE_CTX_VALID(ctx); | |
1538 | ||
1539 | return ctx->u.intf.label; | |
1540 | } | |
1541 | ||
7597ac7b MS |
1542 | /* Accessors for MAC information */ |
1543 | vlanid_t dplane_ctx_mac_get_vlan(const struct zebra_dplane_ctx *ctx) | |
1544 | { | |
1545 | DPLANE_CTX_VALID(ctx); | |
1546 | return ctx->u.macinfo.vid; | |
1547 | } | |
1548 | ||
1549 | bool dplane_ctx_mac_is_sticky(const struct zebra_dplane_ctx *ctx) | |
1550 | { | |
1551 | DPLANE_CTX_VALID(ctx); | |
1552 | return ctx->u.macinfo.is_sticky; | |
1553 | } | |
1554 | ||
1555 | const struct ethaddr *dplane_ctx_mac_get_addr( | |
1556 | const struct zebra_dplane_ctx *ctx) | |
1557 | { | |
1558 | DPLANE_CTX_VALID(ctx); | |
1559 | return &(ctx->u.macinfo.mac); | |
1560 | } | |
1561 | ||
1562 | const struct in_addr *dplane_ctx_mac_get_vtep_ip( | |
1563 | const struct zebra_dplane_ctx *ctx) | |
1564 | { | |
1565 | DPLANE_CTX_VALID(ctx); | |
1566 | return &(ctx->u.macinfo.vtep_ip); | |
1567 | } | |
1568 | ||
478566d6 MS |
1569 | ifindex_t dplane_ctx_mac_get_br_ifindex(const struct zebra_dplane_ctx *ctx) |
1570 | { | |
1571 | DPLANE_CTX_VALID(ctx); | |
1572 | return ctx->u.macinfo.br_ifindex; | |
1573 | } | |
1574 | ||
931fa60c MS |
1575 | /* Accessors for neighbor information */ |
1576 | const struct ipaddr *dplane_ctx_neigh_get_ipaddr( | |
1577 | const struct zebra_dplane_ctx *ctx) | |
1578 | { | |
1579 | DPLANE_CTX_VALID(ctx); | |
1580 | return &(ctx->u.neigh.ip_addr); | |
1581 | } | |
1582 | ||
1583 | const struct ethaddr *dplane_ctx_neigh_get_mac( | |
1584 | const struct zebra_dplane_ctx *ctx) | |
1585 | { | |
1586 | DPLANE_CTX_VALID(ctx); | |
1587 | return &(ctx->u.neigh.mac); | |
1588 | } | |
1589 | ||
1590 | uint32_t dplane_ctx_neigh_get_flags(const struct zebra_dplane_ctx *ctx) | |
1591 | { | |
1592 | DPLANE_CTX_VALID(ctx); | |
1593 | return ctx->u.neigh.flags; | |
1594 | } | |
1595 | ||
1596 | uint16_t dplane_ctx_neigh_get_state(const struct zebra_dplane_ctx *ctx) | |
1597 | { | |
1598 | DPLANE_CTX_VALID(ctx); | |
1599 | return ctx->u.neigh.state; | |
1600 | } | |
1601 | ||
60d8d43b JU |
1602 | /* Accessors for PBR rule information */ |
1603 | int dplane_ctx_rule_get_sock(const struct zebra_dplane_ctx *ctx) | |
1604 | { | |
1605 | DPLANE_CTX_VALID(ctx); | |
1606 | ||
1607 | return ctx->u.rule.sock; | |
1608 | } | |
1609 | ||
1610 | int dplane_ctx_rule_get_unique(const struct zebra_dplane_ctx *ctx) | |
1611 | { | |
1612 | DPLANE_CTX_VALID(ctx); | |
1613 | ||
1614 | return ctx->u.rule.unique; | |
1615 | } | |
1616 | ||
1617 | int dplane_ctx_rule_get_seq(const struct zebra_dplane_ctx *ctx) | |
1618 | { | |
1619 | DPLANE_CTX_VALID(ctx); | |
1620 | ||
1621 | return ctx->u.rule.seq; | |
1622 | } | |
1623 | ||
1624 | uint32_t dplane_ctx_rule_get_priority(const struct zebra_dplane_ctx *ctx) | |
1625 | { | |
1626 | DPLANE_CTX_VALID(ctx); | |
1627 | ||
1628 | return ctx->u.rule.new.priority; | |
1629 | } | |
1630 | ||
1631 | uint32_t dplane_ctx_rule_get_old_priority(const struct zebra_dplane_ctx *ctx) | |
1632 | { | |
1633 | DPLANE_CTX_VALID(ctx); | |
1634 | ||
1635 | return ctx->u.rule.old.priority; | |
1636 | } | |
1637 | ||
1638 | uint32_t dplane_ctx_rule_get_table(const struct zebra_dplane_ctx *ctx) | |
1639 | { | |
1640 | DPLANE_CTX_VALID(ctx); | |
1641 | ||
1642 | return ctx->u.rule.new.table; | |
1643 | } | |
1644 | ||
1645 | uint32_t dplane_ctx_rule_get_old_table(const struct zebra_dplane_ctx *ctx) | |
1646 | { | |
1647 | DPLANE_CTX_VALID(ctx); | |
1648 | ||
1649 | return ctx->u.rule.old.table; | |
1650 | } | |
1651 | ||
1652 | uint32_t dplane_ctx_rule_get_filter_bm(const struct zebra_dplane_ctx *ctx) | |
1653 | { | |
1654 | DPLANE_CTX_VALID(ctx); | |
1655 | ||
1656 | return ctx->u.rule.new.filter_bm; | |
1657 | } | |
1658 | ||
1659 | uint32_t dplane_ctx_rule_get_old_filter_bm(const struct zebra_dplane_ctx *ctx) | |
1660 | { | |
1661 | DPLANE_CTX_VALID(ctx); | |
1662 | ||
1663 | return ctx->u.rule.old.filter_bm; | |
1664 | } | |
1665 | ||
1666 | uint32_t dplane_ctx_rule_get_fwmark(const struct zebra_dplane_ctx *ctx) | |
1667 | { | |
1668 | DPLANE_CTX_VALID(ctx); | |
1669 | ||
1670 | return ctx->u.rule.new.fwmark; | |
1671 | } | |
1672 | ||
1673 | uint32_t dplane_ctx_rule_get_old_fwmark(const struct zebra_dplane_ctx *ctx) | |
1674 | { | |
1675 | DPLANE_CTX_VALID(ctx); | |
1676 | ||
1677 | return ctx->u.rule.old.fwmark; | |
1678 | } | |
1679 | ||
01f23aff WC |
1680 | uint8_t dplane_ctx_rule_get_dsfield(const struct zebra_dplane_ctx *ctx) |
1681 | { | |
1682 | DPLANE_CTX_VALID(ctx); | |
1683 | ||
1684 | return ctx->u.rule.new.dsfield; | |
1685 | } | |
1686 | ||
1687 | uint8_t dplane_ctx_rule_get_old_dsfield(const struct zebra_dplane_ctx *ctx) | |
1688 | { | |
1689 | DPLANE_CTX_VALID(ctx); | |
1690 | ||
1691 | return ctx->u.rule.old.dsfield; | |
1692 | } | |
1693 | ||
60d8d43b JU |
1694 | const struct prefix * |
1695 | dplane_ctx_rule_get_src_ip(const struct zebra_dplane_ctx *ctx) | |
1696 | { | |
1697 | DPLANE_CTX_VALID(ctx); | |
1698 | ||
1699 | return &(ctx->u.rule.new.src_ip); | |
1700 | } | |
1701 | ||
1702 | const struct prefix * | |
1703 | dplane_ctx_rule_get_old_src_ip(const struct zebra_dplane_ctx *ctx) | |
1704 | { | |
1705 | DPLANE_CTX_VALID(ctx); | |
1706 | ||
1707 | return &(ctx->u.rule.old.src_ip); | |
1708 | } | |
1709 | ||
1710 | const struct prefix * | |
1711 | dplane_ctx_rule_get_dst_ip(const struct zebra_dplane_ctx *ctx) | |
1712 | { | |
1713 | DPLANE_CTX_VALID(ctx); | |
1714 | ||
1715 | return &(ctx->u.rule.new.dst_ip); | |
1716 | } | |
1717 | ||
1718 | const struct prefix * | |
1719 | dplane_ctx_rule_get_old_dst_ip(const struct zebra_dplane_ctx *ctx) | |
1720 | { | |
1721 | DPLANE_CTX_VALID(ctx); | |
1722 | ||
1723 | return &(ctx->u.rule.old.dst_ip); | |
1724 | } | |
1725 | ||
7cdb1a84 MS |
1726 | /* |
1727 | * End of dplane context accessors | |
1728 | */ | |
1729 | ||
c831033f | 1730 | |
91f16812 MS |
1731 | /* |
1732 | * Retrieve the limit on the number of pending, unprocessed updates. | |
1733 | */ | |
1734 | uint32_t dplane_get_in_queue_limit(void) | |
1735 | { | |
1736 | return atomic_load_explicit(&zdplane_info.dg_max_queued_updates, | |
1737 | memory_order_relaxed); | |
1738 | } | |
1739 | ||
1740 | /* | |
1741 | * Configure limit on the number of pending, queued updates. | |
1742 | */ | |
1743 | void dplane_set_in_queue_limit(uint32_t limit, bool set) | |
1744 | { | |
1745 | /* Reset to default on 'unset' */ | |
1746 | if (!set) | |
1747 | limit = DPLANE_DEFAULT_MAX_QUEUED; | |
1748 | ||
1749 | atomic_store_explicit(&zdplane_info.dg_max_queued_updates, limit, | |
1750 | memory_order_relaxed); | |
1751 | } | |
1752 | ||
1753 | /* | |
1754 | * Retrieve the current queue depth of incoming, unprocessed updates | |
1755 | */ | |
1756 | uint32_t dplane_get_in_queue_len(void) | |
1757 | { | |
1758 | return atomic_load_explicit(&zdplane_info.dg_routes_queued, | |
1759 | memory_order_seq_cst); | |
1760 | } | |
1761 | ||
16c628de MS |
1762 | /* |
1763 | * Common dataplane context init with zebra namespace info. | |
1764 | */ | |
1765 | static int dplane_ctx_ns_init(struct zebra_dplane_ctx *ctx, | |
1766 | struct zebra_ns *zns, | |
1767 | bool is_update) | |
1768 | { | |
1769 | dplane_info_from_zns(&(ctx->zd_ns_info), zns); | |
1770 | ||
1771 | #if defined(HAVE_NETLINK) | |
1772 | /* Increment message counter after copying to context struct - may need | |
1773 | * two messages in some 'update' cases. | |
1774 | */ | |
1775 | if (is_update) | |
1776 | zns->netlink_dplane.seq += 2; | |
1777 | else | |
1778 | zns->netlink_dplane.seq++; | |
1779 | #endif /* HAVE_NETLINK */ | |
1780 | ||
1781 | return AOK; | |
1782 | } | |
1783 | ||
7cdb1a84 MS |
1784 | /* |
1785 | * Initialize a context block for a route update from zebra data structs. | |
1786 | */ | |
018e77bc RZ |
1787 | int dplane_ctx_route_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op, |
1788 | struct route_node *rn, struct route_entry *re) | |
7cdb1a84 MS |
1789 | { |
1790 | int ret = EINVAL; | |
1791 | const struct route_table *table = NULL; | |
630d5962 | 1792 | const struct rib_table_info *info; |
7cdb1a84 MS |
1793 | const struct prefix *p, *src_p; |
1794 | struct zebra_ns *zns; | |
1795 | struct zebra_vrf *zvrf; | |
f183e380 | 1796 | struct nexthop *nexthop; |
f2a0ba3a | 1797 | zebra_l3vni_t *zl3vni; |
7cdb1a84 | 1798 | |
5709131c | 1799 | if (!ctx || !rn || !re) |
7cdb1a84 | 1800 | goto done; |
7cdb1a84 MS |
1801 | |
1802 | ctx->zd_op = op; | |
14b0bc8e | 1803 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; |
7cdb1a84 | 1804 | |
0f461727 MS |
1805 | ctx->u.rinfo.zd_type = re->type; |
1806 | ctx->u.rinfo.zd_old_type = re->type; | |
7cdb1a84 MS |
1807 | |
1808 | /* Prefixes: dest, and optional source */ | |
1809 | srcdest_rnode_prefixes(rn, &p, &src_p); | |
1810 | ||
0f461727 | 1811 | prefix_copy(&(ctx->u.rinfo.zd_dest), p); |
7cdb1a84 | 1812 | |
5709131c | 1813 | if (src_p) |
0f461727 | 1814 | prefix_copy(&(ctx->u.rinfo.zd_src), src_p); |
5709131c | 1815 | else |
0f461727 | 1816 | memset(&(ctx->u.rinfo.zd_src), 0, sizeof(ctx->u.rinfo.zd_src)); |
7cdb1a84 MS |
1817 | |
1818 | ctx->zd_table_id = re->table; | |
1819 | ||
0f461727 MS |
1820 | ctx->u.rinfo.zd_metric = re->metric; |
1821 | ctx->u.rinfo.zd_old_metric = re->metric; | |
7cdb1a84 | 1822 | ctx->zd_vrf_id = re->vrf_id; |
0f461727 MS |
1823 | ctx->u.rinfo.zd_mtu = re->mtu; |
1824 | ctx->u.rinfo.zd_nexthop_mtu = re->nexthop_mtu; | |
1825 | ctx->u.rinfo.zd_instance = re->instance; | |
1826 | ctx->u.rinfo.zd_tag = re->tag; | |
1827 | ctx->u.rinfo.zd_old_tag = re->tag; | |
1828 | ctx->u.rinfo.zd_distance = re->distance; | |
7cdb1a84 MS |
1829 | |
1830 | table = srcdest_rnode_table(rn); | |
1831 | info = table->info; | |
1832 | ||
0f461727 MS |
1833 | ctx->u.rinfo.zd_afi = info->afi; |
1834 | ctx->u.rinfo.zd_safi = info->safi; | |
7cdb1a84 | 1835 | |
7cdb1a84 | 1836 | /* Copy nexthops; recursive info is included too */ |
0eb97b86 | 1837 | copy_nexthops(&(ctx->u.rinfo.zd_ng.nexthop), |
c415d895 | 1838 | re->nhe->nhg.nexthop, NULL); |
1d48702e MS |
1839 | ctx->u.rinfo.zd_nhg_id = re->nhe->id; |
1840 | ||
1841 | /* Copy backup nexthop info, if present */ | |
1842 | if (re->nhe->backup_info && re->nhe->backup_info->nhe) { | |
1843 | copy_nexthops(&(ctx->u.rinfo.backup_ng.nexthop), | |
1844 | re->nhe->backup_info->nhe->nhg.nexthop, NULL); | |
1845 | } | |
7cdb1a84 | 1846 | |
f2a0ba3a RZ |
1847 | /* |
1848 | * Ensure that the dplane nexthops' flags are clear and copy | |
1849 | * encapsulation information. | |
1850 | */ | |
1851 | for (ALL_NEXTHOPS(ctx->u.rinfo.zd_ng, nexthop)) { | |
f183e380 | 1852 | UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB); |
f183e380 | 1853 | |
f2a0ba3a RZ |
1854 | /* Check for available encapsulations. */ |
1855 | if (!CHECK_FLAG(re->flags, ZEBRA_FLAG_EVPN_ROUTE)) | |
1856 | continue; | |
1857 | ||
1858 | zl3vni = zl3vni_from_vrf(nexthop->vrf_id); | |
1859 | if (zl3vni && is_l3vni_oper_up(zl3vni)) { | |
1860 | nexthop->nh_encap_type = NET_VXLAN; | |
1861 | nexthop->nh_encap.vni = zl3vni->vni; | |
1862 | } | |
1863 | } | |
1864 | ||
cf363e1b MS |
1865 | /* Don't need some info when capturing a system notification */ |
1866 | if (op == DPLANE_OP_SYS_ROUTE_ADD || | |
1867 | op == DPLANE_OP_SYS_ROUTE_DELETE) { | |
1868 | ret = AOK; | |
1869 | goto done; | |
1870 | } | |
1871 | ||
1872 | /* Extract ns info - can't use pointers to 'core' structs */ | |
1873 | zvrf = vrf_info_lookup(re->vrf_id); | |
1874 | zns = zvrf->zns; | |
1875 | dplane_ctx_ns_init(ctx, zns, (op == DPLANE_OP_ROUTE_UPDATE)); | |
1876 | ||
6df59152 | 1877 | #ifdef HAVE_NETLINK |
f924db49 | 1878 | { |
1d48702e | 1879 | struct nhg_hash_entry *nhe = zebra_nhg_resolve(re->nhe); |
6df59152 | 1880 | |
ae9bfa06 | 1881 | ctx->u.rinfo.nhe.id = nhe->id; |
6df59152 | 1882 | /* |
ae9bfa06 SW |
1883 | * Check if the nhe is installed/queued before doing anything |
1884 | * with this route. | |
08c51a38 SW |
1885 | * |
1886 | * If its a delete we only use the prefix anyway, so this only | |
1887 | * matters for INSTALL/UPDATE. | |
6df59152 | 1888 | */ |
08c51a38 SW |
1889 | if (((op == DPLANE_OP_ROUTE_INSTALL) |
1890 | || (op == DPLANE_OP_ROUTE_UPDATE)) | |
1891 | && !CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED) | |
ae9bfa06 | 1892 | && !CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_QUEUED)) { |
6df59152 SW |
1893 | ret = ENOENT; |
1894 | goto done; | |
1895 | } | |
98cda54a | 1896 | } |
6df59152 | 1897 | #endif /* HAVE_NETLINK */ |
de3f5488 | 1898 | |
7cdb1a84 MS |
1899 | /* Trying out the sequence number idea, so we can try to detect |
1900 | * when a result is stale. | |
1901 | */ | |
1485bbe7 | 1902 | re->dplane_sequence = zebra_router_get_next_sequence(); |
7cdb1a84 MS |
1903 | ctx->zd_seq = re->dplane_sequence; |
1904 | ||
1905 | ret = AOK; | |
1906 | ||
1907 | done: | |
1908 | return ret; | |
1909 | } | |
1910 | ||
f820d025 SW |
1911 | /** |
1912 | * dplane_ctx_nexthop_init() - Initialize a context block for a nexthop update | |
1913 | * | |
1914 | * @ctx: Dataplane context to init | |
1915 | * @op: Operation being performed | |
1916 | * @nhe: Nexthop group hash entry | |
1917 | * | |
1918 | * Return: Result status | |
1919 | */ | |
a2072e71 | 1920 | int dplane_ctx_nexthop_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op, |
981ca597 | 1921 | struct nhg_hash_entry *nhe) |
f820d025 | 1922 | { |
a7df21c4 | 1923 | struct zebra_vrf *zvrf = NULL; |
8e401b25 | 1924 | struct zebra_ns *zns = NULL; |
f820d025 SW |
1925 | int ret = EINVAL; |
1926 | ||
1927 | if (!ctx || !nhe) | |
1928 | goto done; | |
1929 | ||
1930 | ctx->zd_op = op; | |
1931 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
1932 | ||
1933 | /* Copy over nhe info */ | |
0c8215cb SW |
1934 | ctx->u.rinfo.nhe.id = nhe->id; |
1935 | ctx->u.rinfo.nhe.afi = nhe->afi; | |
1936 | ctx->u.rinfo.nhe.vrf_id = nhe->vrf_id; | |
38e40db1 | 1937 | ctx->u.rinfo.nhe.type = nhe->type; |
0c8215cb | 1938 | |
c415d895 | 1939 | nexthop_group_copy(&(ctx->u.rinfo.nhe.ng), &(nhe->nhg)); |
0c8215cb | 1940 | |
c415d895 | 1941 | /* If this is a group, convert it to a grp array of ids */ |
98cda54a SW |
1942 | if (!zebra_nhg_depends_is_empty(nhe) |
1943 | && !CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_RECURSIVE)) | |
8dbc800f SW |
1944 | ctx->u.rinfo.nhe.nh_grp_count = zebra_nhg_nhe2grp( |
1945 | ctx->u.rinfo.nhe.nh_grp, nhe, MULTIPATH_NUM); | |
f820d025 | 1946 | |
a7df21c4 SW |
1947 | zvrf = vrf_info_lookup(nhe->vrf_id); |
1948 | ||
1949 | /* | |
1950 | * Fallback to default namespace if the vrf got ripped out from under | |
1951 | * us. | |
1952 | */ | |
1953 | zns = zvrf ? zvrf->zns : zebra_ns_lookup(NS_DEFAULT); | |
1909e63a | 1954 | |
2d3c57e6 SW |
1955 | /* |
1956 | * TODO: Might not need to mark this as an update, since | |
1957 | * it probably won't require two messages | |
1958 | */ | |
1909e63a SW |
1959 | dplane_ctx_ns_init(ctx, zns, (op == DPLANE_OP_NH_UPDATE)); |
1960 | ||
f820d025 SW |
1961 | ret = AOK; |
1962 | ||
1963 | done: | |
1964 | return ret; | |
1965 | } | |
1966 | ||
16c628de MS |
1967 | /* |
1968 | * Capture information for an LSP update in a dplane context. | |
1969 | */ | |
65f264cf MS |
1970 | int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op, |
1971 | zebra_lsp_t *lsp) | |
16c628de MS |
1972 | { |
1973 | int ret = AOK; | |
1974 | zebra_nhlfe_t *nhlfe, *new_nhlfe; | |
1975 | ||
16c628de MS |
1976 | ctx->zd_op = op; |
1977 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
1978 | ||
1979 | /* Capture namespace info */ | |
1980 | dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), | |
1981 | (op == DPLANE_OP_LSP_UPDATE)); | |
1982 | ||
1983 | memset(&ctx->u.lsp, 0, sizeof(ctx->u.lsp)); | |
1984 | ||
ee70f629 | 1985 | nhlfe_list_init(&(ctx->u.lsp.nhlfe_list)); |
cd4bb96f | 1986 | nhlfe_list_init(&(ctx->u.lsp.backup_nhlfe_list)); |
65f264cf MS |
1987 | |
1988 | /* This may be called to create/init a dplane context, not necessarily | |
1989 | * to copy an lsp object. | |
1990 | */ | |
1991 | if (lsp == NULL) { | |
1992 | ret = AOK; | |
1993 | goto done; | |
1994 | } | |
1995 | ||
1996 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) | |
1997 | zlog_debug("init dplane ctx %s: in-label %u ecmp# %d", | |
1998 | dplane_op2str(op), lsp->ile.in_label, | |
1999 | lsp->num_ecmp); | |
2000 | ||
16c628de MS |
2001 | ctx->u.lsp.ile = lsp->ile; |
2002 | ctx->u.lsp.addr_family = lsp->addr_family; | |
2003 | ctx->u.lsp.num_ecmp = lsp->num_ecmp; | |
2004 | ctx->u.lsp.flags = lsp->flags; | |
2005 | ||
2006 | /* Copy source LSP's nhlfes, and capture 'best' nhlfe */ | |
ee70f629 | 2007 | frr_each(nhlfe_list, &lsp->nhlfe_list, nhlfe) { |
16c628de MS |
2008 | /* Not sure if this is meaningful... */ |
2009 | if (nhlfe->nexthop == NULL) | |
2010 | continue; | |
2011 | ||
cd4bb96f MS |
2012 | new_nhlfe = zebra_mpls_lsp_add_nh(&(ctx->u.lsp), nhlfe->type, |
2013 | nhlfe->nexthop); | |
16c628de MS |
2014 | if (new_nhlfe == NULL || new_nhlfe->nexthop == NULL) { |
2015 | ret = ENOMEM; | |
2016 | break; | |
2017 | } | |
2018 | ||
3c0e1622 | 2019 | /* Need to copy flags and backup info too */ |
16c628de MS |
2020 | new_nhlfe->flags = nhlfe->flags; |
2021 | new_nhlfe->nexthop->flags = nhlfe->nexthop->flags; | |
2022 | ||
3c0e1622 MS |
2023 | if (CHECK_FLAG(new_nhlfe->nexthop->flags, |
2024 | NEXTHOP_FLAG_HAS_BACKUP)) { | |
2025 | new_nhlfe->nexthop->backup_num = | |
2026 | nhlfe->nexthop->backup_num; | |
2027 | memcpy(new_nhlfe->nexthop->backup_idx, | |
2028 | nhlfe->nexthop->backup_idx, | |
2029 | new_nhlfe->nexthop->backup_num); | |
2030 | } | |
2031 | ||
16c628de MS |
2032 | if (nhlfe == lsp->best_nhlfe) |
2033 | ctx->u.lsp.best_nhlfe = new_nhlfe; | |
2034 | } | |
2035 | ||
cd4bb96f MS |
2036 | if (ret != AOK) |
2037 | goto done; | |
2038 | ||
2039 | /* Capture backup nhlfes/nexthops */ | |
2040 | frr_each(nhlfe_list, &lsp->backup_nhlfe_list, nhlfe) { | |
2041 | /* Not sure if this is meaningful... */ | |
2042 | if (nhlfe->nexthop == NULL) | |
2043 | continue; | |
2044 | ||
2045 | new_nhlfe = zebra_mpls_lsp_add_backup_nh(&(ctx->u.lsp), | |
2046 | nhlfe->type, | |
2047 | nhlfe->nexthop); | |
2048 | if (new_nhlfe == NULL || new_nhlfe->nexthop == NULL) { | |
2049 | ret = ENOMEM; | |
2050 | break; | |
2051 | } | |
2052 | ||
2053 | /* Need to copy flags too */ | |
2054 | new_nhlfe->flags = nhlfe->flags; | |
2055 | new_nhlfe->nexthop->flags = nhlfe->nexthop->flags; | |
2056 | } | |
2057 | ||
16c628de MS |
2058 | /* On error the ctx will be cleaned-up, so we don't need to |
2059 | * deal with any allocated nhlfe or nexthop structs here. | |
2060 | */ | |
cd4bb96f | 2061 | done: |
16c628de MS |
2062 | |
2063 | return ret; | |
2064 | } | |
2065 | ||
97d8d05a MS |
2066 | /* |
2067 | * Capture information for an LSP update in a dplane context. | |
2068 | */ | |
2069 | static int dplane_ctx_pw_init(struct zebra_dplane_ctx *ctx, | |
2070 | enum dplane_op_e op, | |
2071 | struct zebra_pw *pw) | |
2072 | { | |
09cd307c MS |
2073 | struct prefix p; |
2074 | afi_t afi; | |
2075 | struct route_table *table; | |
2076 | struct route_node *rn; | |
2077 | struct route_entry *re; | |
0024ea8e | 2078 | const struct nexthop_group *nhg; |
09cd307c | 2079 | |
97d8d05a MS |
2080 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
2081 | zlog_debug("init dplane ctx %s: pw '%s', loc %u, rem %u", | |
2082 | dplane_op2str(op), pw->ifname, pw->local_label, | |
2083 | pw->remote_label); | |
2084 | ||
2085 | ctx->zd_op = op; | |
2086 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
2087 | ||
2088 | /* Capture namespace info: no netlink support as of 12/18, | |
2089 | * but just in case... | |
2090 | */ | |
2091 | dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), false); | |
2092 | ||
2093 | memset(&ctx->u.pw, 0, sizeof(ctx->u.pw)); | |
2094 | ||
2095 | /* This name appears to be c-string, so we use string copy. */ | |
7c7ef4a8 | 2096 | strlcpy(ctx->zd_ifname, pw->ifname, sizeof(ctx->zd_ifname)); |
16d69787 | 2097 | |
9bd9717b | 2098 | ctx->zd_vrf_id = pw->vrf_id; |
7c7ef4a8 | 2099 | ctx->zd_ifindex = pw->ifindex; |
97d8d05a MS |
2100 | ctx->u.pw.type = pw->type; |
2101 | ctx->u.pw.af = pw->af; | |
2102 | ctx->u.pw.local_label = pw->local_label; | |
2103 | ctx->u.pw.remote_label = pw->remote_label; | |
2104 | ctx->u.pw.flags = pw->flags; | |
2105 | ||
16d69787 | 2106 | ctx->u.pw.dest = pw->nexthop; |
97d8d05a MS |
2107 | |
2108 | ctx->u.pw.fields = pw->data; | |
2109 | ||
09cd307c MS |
2110 | /* Capture nexthop info for the pw destination. We need to look |
2111 | * up and use zebra datastructs, but we're running in the zebra | |
2112 | * pthread here so that should be ok. | |
2113 | */ | |
2114 | memcpy(&p.u, &pw->nexthop, sizeof(pw->nexthop)); | |
2115 | p.family = pw->af; | |
2116 | p.prefixlen = ((pw->af == AF_INET) ? | |
2117 | IPV4_MAX_PREFIXLEN : IPV6_MAX_PREFIXLEN); | |
2118 | ||
2119 | afi = (pw->af == AF_INET) ? AFI_IP : AFI_IP6; | |
2120 | table = zebra_vrf_table(afi, SAFI_UNICAST, pw->vrf_id); | |
2121 | if (table) { | |
2122 | rn = route_node_match(table, &p); | |
2123 | if (rn) { | |
2124 | RNODE_FOREACH_RE(rn, re) { | |
2125 | if (CHECK_FLAG(re->flags, ZEBRA_FLAG_SELECTED)) | |
2126 | break; | |
2127 | } | |
2128 | ||
0024ea8e MS |
2129 | if (re) { |
2130 | nhg = rib_get_fib_nhg(re); | |
3c0e1622 MS |
2131 | if (nhg && nhg->nexthop) |
2132 | copy_nexthops(&(ctx->u.pw.nhg.nexthop), | |
2133 | nhg->nexthop, NULL); | |
8b117ff0 MS |
2134 | |
2135 | /* Include any installed backup nexthops */ | |
2136 | nhg = rib_get_fib_backup_nhg(re); | |
2137 | if (nhg && nhg->nexthop) | |
2138 | copy_nexthops(&(ctx->u.pw.nhg.nexthop), | |
2139 | nhg->nexthop, NULL); | |
0024ea8e | 2140 | } |
09cd307c MS |
2141 | route_unlock_node(rn); |
2142 | } | |
2143 | } | |
2144 | ||
9f2d0354 | 2145 | return AOK; |
97d8d05a MS |
2146 | } |
2147 | ||
f62e5480 JU |
2148 | /** |
2149 | * dplane_ctx_rule_init_single() - Initialize a dataplane representation of a | |
2150 | * PBR rule. | |
2151 | * | |
2152 | * @dplane_rule: Dataplane internal representation of a rule | |
2153 | * @rule: PBR rule | |
2154 | */ | |
2155 | static void dplane_ctx_rule_init_single(struct dplane_ctx_rule *dplane_rule, | |
2156 | struct zebra_pbr_rule *rule) | |
2157 | { | |
2158 | dplane_rule->priority = rule->rule.priority; | |
2159 | dplane_rule->table = rule->rule.action.table; | |
2160 | ||
2161 | dplane_rule->filter_bm = rule->rule.filter.filter_bm; | |
2162 | dplane_rule->fwmark = rule->rule.filter.fwmark; | |
01f23aff | 2163 | dplane_rule->dsfield = rule->rule.filter.dsfield; |
f62e5480 JU |
2164 | prefix_copy(&(dplane_rule->dst_ip), &rule->rule.filter.dst_ip); |
2165 | prefix_copy(&(dplane_rule->src_ip), &rule->rule.filter.src_ip); | |
2166 | } | |
2167 | ||
2168 | /** | |
2169 | * dplane_ctx_rule_init() - Initialize a context block for a PBR rule update. | |
2170 | * | |
2171 | * @ctx: Dataplane context to init | |
2172 | * @op: Operation being performed | |
2173 | * @new_rule: PBR rule | |
2174 | * | |
2175 | * Return: Result status | |
2176 | */ | |
2177 | static int dplane_ctx_rule_init(struct zebra_dplane_ctx *ctx, | |
2178 | enum dplane_op_e op, | |
2179 | struct zebra_pbr_rule *new_rule, | |
2180 | struct zebra_pbr_rule *old_rule) | |
2181 | { | |
2182 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { | |
2183 | char buf1[PREFIX_STRLEN]; | |
2184 | char buf2[PREFIX_STRLEN]; | |
2185 | ||
2186 | zlog_debug( | |
2187 | "init dplane ctx %s: IF %s(%u) Prio %u Fwmark %u Src %s Dst %s Table %u", | |
2188 | dplane_op2str(op), new_rule->ifname, | |
2189 | new_rule->rule.ifindex, new_rule->rule.priority, | |
2190 | new_rule->rule.filter.fwmark, | |
2191 | prefix2str(&new_rule->rule.filter.src_ip, buf1, | |
2192 | sizeof(buf1)), | |
2193 | prefix2str(&new_rule->rule.filter.dst_ip, buf2, | |
2194 | sizeof(buf2)), | |
2195 | new_rule->rule.action.table); | |
2196 | } | |
2197 | ||
2198 | ctx->zd_op = op; | |
2199 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
2200 | ||
2201 | dplane_ctx_ns_init(ctx, zebra_ns_lookup(NS_DEFAULT), | |
2202 | op == DPLANE_OP_RULE_UPDATE); | |
2203 | ||
2204 | ctx->zd_vrf_id = new_rule->vrf_id; | |
2205 | memcpy(ctx->zd_ifname, new_rule->ifname, sizeof(new_rule->ifname)); | |
2206 | ctx->zd_ifindex = new_rule->rule.ifindex; | |
2207 | ||
2208 | ctx->u.rule.sock = new_rule->sock; | |
2209 | ctx->u.rule.unique = new_rule->rule.unique; | |
2210 | ctx->u.rule.seq = new_rule->rule.seq; | |
2211 | ||
2212 | dplane_ctx_rule_init_single(&ctx->u.rule.new, new_rule); | |
2213 | if (op == DPLANE_OP_RULE_UPDATE) | |
2214 | dplane_ctx_rule_init_single(&ctx->u.rule.old, old_rule); | |
2215 | ||
2216 | return AOK; | |
2217 | } | |
2218 | ||
7cdb1a84 | 2219 | /* |
3fe4ccc4 | 2220 | * Enqueue a new update, |
16c628de | 2221 | * and ensure an event is active for the dataplane pthread. |
7cdb1a84 | 2222 | */ |
3fe4ccc4 | 2223 | static int dplane_update_enqueue(struct zebra_dplane_ctx *ctx) |
7cdb1a84 MS |
2224 | { |
2225 | int ret = EINVAL; | |
91f16812 | 2226 | uint32_t high, curr; |
7cdb1a84 | 2227 | |
16c628de | 2228 | /* Enqueue for processing by the dataplane pthread */ |
7cdb1a84 MS |
2229 | DPLANE_LOCK(); |
2230 | { | |
3fe4ccc4 | 2231 | TAILQ_INSERT_TAIL(&zdplane_info.dg_update_ctx_q, ctx, |
25779064 | 2232 | zd_q_entries); |
7cdb1a84 MS |
2233 | } |
2234 | DPLANE_UNLOCK(); | |
2235 | ||
e3d9208a | 2236 | curr = atomic_fetch_add_explicit( |
e07e9549 | 2237 | &(zdplane_info.dg_routes_queued), |
e07e9549 | 2238 | 1, memory_order_seq_cst); |
91f16812 | 2239 | |
e3d9208a MS |
2240 | curr++; /* We got the pre-incremented value */ |
2241 | ||
91f16812 MS |
2242 | /* Maybe update high-water counter also */ |
2243 | high = atomic_load_explicit(&zdplane_info.dg_routes_queued_max, | |
2244 | memory_order_seq_cst); | |
2245 | while (high < curr) { | |
2246 | if (atomic_compare_exchange_weak_explicit( | |
2247 | &zdplane_info.dg_routes_queued_max, | |
2248 | &high, curr, | |
2249 | memory_order_seq_cst, | |
2250 | memory_order_seq_cst)) | |
2251 | break; | |
2252 | } | |
2253 | ||
7cdb1a84 | 2254 | /* Ensure that an event for the dataplane thread is active */ |
c831033f | 2255 | ret = dplane_provider_work_ready(); |
7cdb1a84 | 2256 | |
5709131c | 2257 | return ret; |
7cdb1a84 MS |
2258 | } |
2259 | ||
7cdb1a84 MS |
2260 | /* |
2261 | * Utility that prepares a route update and enqueues it for processing | |
2262 | */ | |
655d681a MS |
2263 | static enum zebra_dplane_result |
2264 | dplane_route_update_internal(struct route_node *rn, | |
2265 | struct route_entry *re, | |
2266 | struct route_entry *old_re, | |
5709131c | 2267 | enum dplane_op_e op) |
7cdb1a84 | 2268 | { |
655d681a | 2269 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; |
7cdb1a84 | 2270 | int ret = EINVAL; |
25779064 | 2271 | struct zebra_dplane_ctx *ctx = NULL; |
7cdb1a84 MS |
2272 | |
2273 | /* Obtain context block */ | |
2274 | ctx = dplane_ctx_alloc(); | |
7cdb1a84 MS |
2275 | |
2276 | /* Init context with info from zebra data structs */ | |
2277 | ret = dplane_ctx_route_init(ctx, op, rn, re); | |
2278 | if (ret == AOK) { | |
2279 | /* Capture some extra info for update case | |
2280 | * where there's a different 'old' route. | |
2281 | */ | |
b8e0423d MS |
2282 | if ((op == DPLANE_OP_ROUTE_UPDATE) && |
2283 | old_re && (old_re != re)) { | |
7cdb1a84 MS |
2284 | ctx->zd_is_update = true; |
2285 | ||
1485bbe7 DS |
2286 | old_re->dplane_sequence = |
2287 | zebra_router_get_next_sequence(); | |
7cdb1a84 MS |
2288 | ctx->zd_old_seq = old_re->dplane_sequence; |
2289 | ||
0f461727 MS |
2290 | ctx->u.rinfo.zd_old_tag = old_re->tag; |
2291 | ctx->u.rinfo.zd_old_type = old_re->type; | |
2292 | ctx->u.rinfo.zd_old_instance = old_re->instance; | |
2293 | ctx->u.rinfo.zd_old_distance = old_re->distance; | |
2294 | ctx->u.rinfo.zd_old_metric = old_re->metric; | |
01ce7cba MS |
2295 | |
2296 | #ifndef HAVE_NETLINK | |
f183e380 MS |
2297 | /* For bsd, capture previous re's nexthops too, sigh. |
2298 | * We'll need these to do per-nexthop deletes. | |
2299 | */ | |
0f461727 | 2300 | copy_nexthops(&(ctx->u.rinfo.zd_old_ng.nexthop), |
c415d895 | 2301 | old_re->nhe->nhg.nexthop, NULL); |
1d48702e MS |
2302 | |
2303 | if (zebra_nhg_get_backup_nhg(old_re->nhe) != NULL) { | |
2304 | struct nexthop_group *nhg; | |
2305 | struct nexthop **nh; | |
2306 | ||
2307 | nhg = zebra_nhg_get_backup_nhg(old_re->nhe); | |
2308 | nh = &(ctx->u.rinfo.old_backup_ng.nexthop); | |
2309 | ||
2310 | if (nhg->nexthop) | |
2311 | copy_nexthops(nh, nhg->nexthop, NULL); | |
2312 | } | |
01ce7cba | 2313 | #endif /* !HAVE_NETLINK */ |
7cdb1a84 MS |
2314 | } |
2315 | ||
2316 | /* Enqueue context for processing */ | |
3fe4ccc4 | 2317 | ret = dplane_update_enqueue(ctx); |
7cdb1a84 MS |
2318 | } |
2319 | ||
91f16812 | 2320 | /* Update counter */ |
25779064 | 2321 | atomic_fetch_add_explicit(&zdplane_info.dg_routes_in, 1, |
1d11b21f MS |
2322 | memory_order_relaxed); |
2323 | ||
91f16812 | 2324 | if (ret == AOK) |
655d681a | 2325 | result = ZEBRA_DPLANE_REQUEST_QUEUED; |
16c628de | 2326 | else { |
6df59152 SW |
2327 | if (ret == ENOENT) |
2328 | result = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
2329 | else | |
2330 | atomic_fetch_add_explicit(&zdplane_info.dg_route_errors, | |
2331 | 1, memory_order_relaxed); | |
16c628de MS |
2332 | if (ctx) |
2333 | dplane_ctx_free(&ctx); | |
1d11b21f | 2334 | } |
7cdb1a84 | 2335 | |
5709131c | 2336 | return result; |
7cdb1a84 MS |
2337 | } |
2338 | ||
f820d025 SW |
2339 | /** |
2340 | * dplane_nexthop_update_internal() - Helper for enqueuing nexthop changes | |
2341 | * | |
2342 | * @nhe: Nexthop group hash entry where the change occured | |
2343 | * @op: The operation to be enqued | |
2344 | * | |
2345 | * Return: Result of the change | |
2346 | */ | |
2347 | static enum zebra_dplane_result | |
2348 | dplane_nexthop_update_internal(struct nhg_hash_entry *nhe, enum dplane_op_e op) | |
2349 | { | |
2350 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2351 | int ret = EINVAL; | |
2352 | struct zebra_dplane_ctx *ctx = NULL; | |
2353 | ||
2354 | /* Obtain context block */ | |
2355 | ctx = dplane_ctx_alloc(); | |
2356 | if (!ctx) { | |
2357 | ret = ENOMEM; | |
2358 | goto done; | |
2359 | } | |
2360 | ||
2361 | ret = dplane_ctx_nexthop_init(ctx, op, nhe); | |
2d3c57e6 | 2362 | if (ret == AOK) |
f820d025 | 2363 | ret = dplane_update_enqueue(ctx); |
2d3c57e6 | 2364 | |
f820d025 SW |
2365 | done: |
2366 | /* Update counter */ | |
2367 | atomic_fetch_add_explicit(&zdplane_info.dg_nexthops_in, 1, | |
2368 | memory_order_relaxed); | |
2369 | ||
2370 | if (ret == AOK) | |
2371 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2372 | else { | |
81505946 SW |
2373 | atomic_fetch_add_explicit(&zdplane_info.dg_nexthop_errors, 1, |
2374 | memory_order_relaxed); | |
f820d025 SW |
2375 | if (ctx) |
2376 | dplane_ctx_free(&ctx); | |
2377 | } | |
2378 | ||
2379 | return result; | |
2380 | } | |
2381 | ||
7cdb1a84 MS |
2382 | /* |
2383 | * Enqueue a route 'add' for the dataplane. | |
2384 | */ | |
655d681a MS |
2385 | enum zebra_dplane_result dplane_route_add(struct route_node *rn, |
2386 | struct route_entry *re) | |
7cdb1a84 | 2387 | { |
655d681a | 2388 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; |
7cdb1a84 | 2389 | |
5709131c | 2390 | if (rn == NULL || re == NULL) |
7cdb1a84 | 2391 | goto done; |
7cdb1a84 MS |
2392 | |
2393 | ret = dplane_route_update_internal(rn, re, NULL, | |
2394 | DPLANE_OP_ROUTE_INSTALL); | |
2395 | ||
2396 | done: | |
5709131c | 2397 | return ret; |
7cdb1a84 MS |
2398 | } |
2399 | ||
2400 | /* | |
2401 | * Enqueue a route update for the dataplane. | |
2402 | */ | |
655d681a MS |
2403 | enum zebra_dplane_result dplane_route_update(struct route_node *rn, |
2404 | struct route_entry *re, | |
2405 | struct route_entry *old_re) | |
7cdb1a84 | 2406 | { |
655d681a | 2407 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; |
7cdb1a84 | 2408 | |
5709131c | 2409 | if (rn == NULL || re == NULL) |
7cdb1a84 | 2410 | goto done; |
7cdb1a84 MS |
2411 | |
2412 | ret = dplane_route_update_internal(rn, re, old_re, | |
2413 | DPLANE_OP_ROUTE_UPDATE); | |
7cdb1a84 | 2414 | done: |
5709131c | 2415 | return ret; |
7cdb1a84 MS |
2416 | } |
2417 | ||
2418 | /* | |
2419 | * Enqueue a route removal for the dataplane. | |
2420 | */ | |
655d681a MS |
2421 | enum zebra_dplane_result dplane_route_delete(struct route_node *rn, |
2422 | struct route_entry *re) | |
7cdb1a84 | 2423 | { |
655d681a | 2424 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; |
7cdb1a84 | 2425 | |
5709131c | 2426 | if (rn == NULL || re == NULL) |
7cdb1a84 | 2427 | goto done; |
7cdb1a84 MS |
2428 | |
2429 | ret = dplane_route_update_internal(rn, re, NULL, | |
2430 | DPLANE_OP_ROUTE_DELETE); | |
2431 | ||
2432 | done: | |
5709131c | 2433 | return ret; |
7cdb1a84 MS |
2434 | } |
2435 | ||
cf363e1b MS |
2436 | /* |
2437 | * Notify the dplane when system/connected routes change. | |
2438 | */ | |
2439 | enum zebra_dplane_result dplane_sys_route_add(struct route_node *rn, | |
2440 | struct route_entry *re) | |
2441 | { | |
2442 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2443 | ||
2444 | /* Ignore this event unless a provider plugin has requested it. */ | |
2445 | if (!zdplane_info.dg_sys_route_notifs) { | |
2446 | ret = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
2447 | goto done; | |
2448 | } | |
2449 | ||
2450 | if (rn == NULL || re == NULL) | |
2451 | goto done; | |
2452 | ||
2453 | ret = dplane_route_update_internal(rn, re, NULL, | |
2454 | DPLANE_OP_SYS_ROUTE_ADD); | |
2455 | ||
2456 | done: | |
2457 | return ret; | |
2458 | } | |
2459 | ||
2460 | /* | |
2461 | * Notify the dplane when system/connected routes are deleted. | |
2462 | */ | |
2463 | enum zebra_dplane_result dplane_sys_route_del(struct route_node *rn, | |
2464 | struct route_entry *re) | |
2465 | { | |
2466 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2467 | ||
2468 | /* Ignore this event unless a provider plugin has requested it. */ | |
2469 | if (!zdplane_info.dg_sys_route_notifs) { | |
2470 | ret = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
2471 | goto done; | |
2472 | } | |
2473 | ||
2474 | if (rn == NULL || re == NULL) | |
2475 | goto done; | |
2476 | ||
2477 | ret = dplane_route_update_internal(rn, re, NULL, | |
2478 | DPLANE_OP_SYS_ROUTE_DELETE); | |
2479 | ||
2480 | done: | |
2481 | return ret; | |
2482 | } | |
2483 | ||
188a00e0 MS |
2484 | /* |
2485 | * Update from an async notification, to bring other fibs up-to-date. | |
2486 | */ | |
2487 | enum zebra_dplane_result | |
2488 | dplane_route_notif_update(struct route_node *rn, | |
2489 | struct route_entry *re, | |
2490 | enum dplane_op_e op, | |
2491 | struct zebra_dplane_ctx *ctx) | |
2492 | { | |
54d321aa MS |
2493 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; |
2494 | int ret = EINVAL; | |
188a00e0 MS |
2495 | struct zebra_dplane_ctx *new_ctx = NULL; |
2496 | struct nexthop *nexthop; | |
3c0e1622 | 2497 | struct nexthop_group *nhg; |
188a00e0 MS |
2498 | |
2499 | if (rn == NULL || re == NULL) | |
2500 | goto done; | |
2501 | ||
2502 | new_ctx = dplane_ctx_alloc(); | |
2503 | if (new_ctx == NULL) | |
2504 | goto done; | |
2505 | ||
2506 | /* Init context with info from zebra data structs */ | |
2507 | dplane_ctx_route_init(new_ctx, op, rn, re); | |
2508 | ||
2509 | /* For add/update, need to adjust the nexthops so that we match | |
2510 | * the notification state, which may not be the route-entry/RIB | |
2511 | * state. | |
2512 | */ | |
2513 | if (op == DPLANE_OP_ROUTE_UPDATE || | |
2514 | op == DPLANE_OP_ROUTE_INSTALL) { | |
2515 | ||
2516 | nexthops_free(new_ctx->u.rinfo.zd_ng.nexthop); | |
2517 | new_ctx->u.rinfo.zd_ng.nexthop = NULL; | |
2518 | ||
3c0e1622 MS |
2519 | nhg = rib_get_fib_nhg(re); |
2520 | if (nhg && nhg->nexthop) | |
2521 | copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop), | |
2522 | nhg->nexthop, NULL); | |
188a00e0 | 2523 | |
3c0e1622 MS |
2524 | /* Check for installed backup nexthops also */ |
2525 | nhg = rib_get_fib_backup_nhg(re); | |
2526 | if (nhg && nhg->nexthop) { | |
00a9b150 | 2527 | copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop), |
3c0e1622 | 2528 | nhg->nexthop, NULL); |
00a9b150 | 2529 | } |
188a00e0 MS |
2530 | |
2531 | for (ALL_NEXTHOPS(new_ctx->u.rinfo.zd_ng, nexthop)) | |
2532 | UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB); | |
2533 | ||
2534 | } | |
2535 | ||
2536 | /* Capture info about the source of the notification, in 'ctx' */ | |
2537 | dplane_ctx_set_notif_provider(new_ctx, | |
2538 | dplane_ctx_get_notif_provider(ctx)); | |
2539 | ||
54d321aa | 2540 | ret = dplane_update_enqueue(new_ctx); |
188a00e0 MS |
2541 | |
2542 | done: | |
54d321aa MS |
2543 | if (ret == AOK) |
2544 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2545 | else if (ctx) | |
2546 | dplane_ctx_free(&ctx); | |
2547 | ||
2548 | return result; | |
188a00e0 MS |
2549 | } |
2550 | ||
f820d025 SW |
2551 | /* |
2552 | * Enqueue a nexthop add for the dataplane. | |
2553 | */ | |
2554 | enum zebra_dplane_result dplane_nexthop_add(struct nhg_hash_entry *nhe) | |
2555 | { | |
2556 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2557 | ||
2558 | if (nhe) | |
2559 | ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_INSTALL); | |
2560 | return ret; | |
2561 | } | |
2562 | ||
2563 | /* | |
2564 | * Enqueue a nexthop update for the dataplane. | |
81505946 SW |
2565 | * |
2566 | * Might not need this func since zebra's nexthop objects should be immutable? | |
f820d025 SW |
2567 | */ |
2568 | enum zebra_dplane_result dplane_nexthop_update(struct nhg_hash_entry *nhe) | |
2569 | { | |
2570 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2571 | ||
2572 | if (nhe) | |
2573 | ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_UPDATE); | |
2574 | return ret; | |
2575 | } | |
2576 | ||
2577 | /* | |
2578 | * Enqueue a nexthop removal for the dataplane. | |
2579 | */ | |
2580 | enum zebra_dplane_result dplane_nexthop_delete(struct nhg_hash_entry *nhe) | |
2581 | { | |
2582 | enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2583 | ||
2584 | if (nhe) | |
2585 | ret = dplane_nexthop_update_internal(nhe, DPLANE_OP_NH_DELETE); | |
2586 | ||
2587 | return ret; | |
2588 | } | |
2589 | ||
16c628de MS |
2590 | /* |
2591 | * Enqueue LSP add for the dataplane. | |
2592 | */ | |
2593 | enum zebra_dplane_result dplane_lsp_add(zebra_lsp_t *lsp) | |
2594 | { | |
2595 | enum zebra_dplane_result ret = | |
2596 | lsp_update_internal(lsp, DPLANE_OP_LSP_INSTALL); | |
2597 | ||
2598 | return ret; | |
2599 | } | |
2600 | ||
2601 | /* | |
2602 | * Enqueue LSP update for the dataplane. | |
2603 | */ | |
2604 | enum zebra_dplane_result dplane_lsp_update(zebra_lsp_t *lsp) | |
2605 | { | |
2606 | enum zebra_dplane_result ret = | |
2607 | lsp_update_internal(lsp, DPLANE_OP_LSP_UPDATE); | |
2608 | ||
2609 | return ret; | |
2610 | } | |
2611 | ||
2612 | /* | |
2613 | * Enqueue LSP delete for the dataplane. | |
2614 | */ | |
2615 | enum zebra_dplane_result dplane_lsp_delete(zebra_lsp_t *lsp) | |
2616 | { | |
2617 | enum zebra_dplane_result ret = | |
2618 | lsp_update_internal(lsp, DPLANE_OP_LSP_DELETE); | |
2619 | ||
2620 | return ret; | |
2621 | } | |
2622 | ||
188a00e0 MS |
2623 | /* Update or un-install resulting from an async notification */ |
2624 | enum zebra_dplane_result | |
2625 | dplane_lsp_notif_update(zebra_lsp_t *lsp, | |
2626 | enum dplane_op_e op, | |
2627 | struct zebra_dplane_ctx *notif_ctx) | |
2628 | { | |
2629 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2630 | int ret = EINVAL; | |
2631 | struct zebra_dplane_ctx *ctx = NULL; | |
00a9b150 MS |
2632 | struct nhlfe_list_head *head; |
2633 | zebra_nhlfe_t *nhlfe, *new_nhlfe; | |
188a00e0 MS |
2634 | |
2635 | /* Obtain context block */ | |
2636 | ctx = dplane_ctx_alloc(); | |
2637 | if (ctx == NULL) { | |
2638 | ret = ENOMEM; | |
2639 | goto done; | |
2640 | } | |
2641 | ||
00a9b150 | 2642 | /* Copy info from zebra LSP */ |
188a00e0 MS |
2643 | ret = dplane_ctx_lsp_init(ctx, op, lsp); |
2644 | if (ret != AOK) | |
2645 | goto done; | |
2646 | ||
00a9b150 MS |
2647 | /* Add any installed backup nhlfes */ |
2648 | head = &(ctx->u.lsp.backup_nhlfe_list); | |
2649 | frr_each(nhlfe_list, head, nhlfe) { | |
2650 | ||
2651 | if (CHECK_FLAG(nhlfe->flags, NHLFE_FLAG_INSTALLED) && | |
2652 | CHECK_FLAG(nhlfe->nexthop->flags, NEXTHOP_FLAG_FIB)) { | |
2653 | new_nhlfe = zebra_mpls_lsp_add_nh(&(ctx->u.lsp), | |
2654 | nhlfe->type, | |
2655 | nhlfe->nexthop); | |
2656 | ||
2657 | /* Need to copy flags too */ | |
2658 | new_nhlfe->flags = nhlfe->flags; | |
2659 | new_nhlfe->nexthop->flags = nhlfe->nexthop->flags; | |
2660 | } | |
2661 | } | |
2662 | ||
188a00e0 MS |
2663 | /* Capture info about the source of the notification */ |
2664 | dplane_ctx_set_notif_provider( | |
2665 | ctx, | |
2666 | dplane_ctx_get_notif_provider(notif_ctx)); | |
2667 | ||
3fe4ccc4 | 2668 | ret = dplane_update_enqueue(ctx); |
188a00e0 MS |
2669 | |
2670 | done: | |
2671 | /* Update counter */ | |
2672 | atomic_fetch_add_explicit(&zdplane_info.dg_lsps_in, 1, | |
2673 | memory_order_relaxed); | |
2674 | ||
2675 | if (ret == AOK) | |
2676 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2677 | else { | |
2678 | atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors, 1, | |
2679 | memory_order_relaxed); | |
2680 | if (ctx) | |
2681 | dplane_ctx_free(&ctx); | |
2682 | } | |
2683 | return result; | |
2684 | } | |
2685 | ||
97d8d05a MS |
2686 | /* |
2687 | * Enqueue pseudowire install for the dataplane. | |
2688 | */ | |
2689 | enum zebra_dplane_result dplane_pw_install(struct zebra_pw *pw) | |
2690 | { | |
2691 | return pw_update_internal(pw, DPLANE_OP_PW_INSTALL); | |
2692 | } | |
2693 | ||
2694 | /* | |
2695 | * Enqueue pseudowire un-install for the dataplane. | |
2696 | */ | |
2697 | enum zebra_dplane_result dplane_pw_uninstall(struct zebra_pw *pw) | |
2698 | { | |
2699 | return pw_update_internal(pw, DPLANE_OP_PW_UNINSTALL); | |
2700 | } | |
2701 | ||
16c628de MS |
2702 | /* |
2703 | * Common internal LSP update utility | |
2704 | */ | |
2705 | static enum zebra_dplane_result lsp_update_internal(zebra_lsp_t *lsp, | |
2706 | enum dplane_op_e op) | |
2707 | { | |
2708 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2709 | int ret = EINVAL; | |
2710 | struct zebra_dplane_ctx *ctx = NULL; | |
2711 | ||
2712 | /* Obtain context block */ | |
2713 | ctx = dplane_ctx_alloc(); | |
16c628de MS |
2714 | |
2715 | ret = dplane_ctx_lsp_init(ctx, op, lsp); | |
2716 | if (ret != AOK) | |
2717 | goto done; | |
2718 | ||
3fe4ccc4 | 2719 | ret = dplane_update_enqueue(ctx); |
16c628de MS |
2720 | |
2721 | done: | |
2722 | /* Update counter */ | |
2723 | atomic_fetch_add_explicit(&zdplane_info.dg_lsps_in, 1, | |
2724 | memory_order_relaxed); | |
2725 | ||
2726 | if (ret == AOK) | |
2727 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2728 | else { | |
2729 | atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors, 1, | |
2730 | memory_order_relaxed); | |
d8e479a3 | 2731 | dplane_ctx_free(&ctx); |
16c628de MS |
2732 | } |
2733 | ||
2734 | return result; | |
2735 | } | |
2736 | ||
97d8d05a MS |
2737 | /* |
2738 | * Internal, common handler for pseudowire updates. | |
2739 | */ | |
2740 | static enum zebra_dplane_result pw_update_internal(struct zebra_pw *pw, | |
2741 | enum dplane_op_e op) | |
2742 | { | |
2743 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2744 | int ret; | |
2745 | struct zebra_dplane_ctx *ctx = NULL; | |
2746 | ||
2747 | ctx = dplane_ctx_alloc(); | |
97d8d05a MS |
2748 | |
2749 | ret = dplane_ctx_pw_init(ctx, op, pw); | |
2750 | if (ret != AOK) | |
2751 | goto done; | |
2752 | ||
3fe4ccc4 | 2753 | ret = dplane_update_enqueue(ctx); |
97d8d05a MS |
2754 | |
2755 | done: | |
2756 | /* Update counter */ | |
2757 | atomic_fetch_add_explicit(&zdplane_info.dg_pws_in, 1, | |
2758 | memory_order_relaxed); | |
2759 | ||
2760 | if (ret == AOK) | |
2761 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2762 | else { | |
2763 | atomic_fetch_add_explicit(&zdplane_info.dg_pw_errors, 1, | |
2764 | memory_order_relaxed); | |
d8e479a3 | 2765 | dplane_ctx_free(&ctx); |
97d8d05a MS |
2766 | } |
2767 | ||
2768 | return result; | |
2769 | } | |
2770 | ||
a4a4802a MS |
2771 | /* |
2772 | * Enqueue interface address add for the dataplane. | |
2773 | */ | |
2774 | enum zebra_dplane_result dplane_intf_addr_set(const struct interface *ifp, | |
2775 | const struct connected *ifc) | |
2776 | { | |
64168803 MS |
2777 | #if !defined(HAVE_NETLINK) && defined(HAVE_STRUCT_IFALIASREQ) |
2778 | /* Extra checks for this OS path. */ | |
2779 | ||
2780 | /* Don't configure PtP addresses on broadcast ifs or reverse */ | |
2781 | if (!(ifp->flags & IFF_POINTOPOINT) != !CONNECTED_PEER(ifc)) { | |
2782 | if (IS_ZEBRA_DEBUG_KERNEL || IS_ZEBRA_DEBUG_DPLANE) | |
2783 | zlog_debug("Failed to set intf addr: mismatch p2p and connected"); | |
2784 | ||
2785 | return ZEBRA_DPLANE_REQUEST_FAILURE; | |
2786 | } | |
2787 | ||
2788 | /* Ensure that no existing installed v4 route conflicts with | |
2789 | * the new interface prefix. This check must be done in the | |
2790 | * zebra pthread context, and any route delete (if needed) | |
2791 | * is enqueued before the interface address programming attempt. | |
2792 | */ | |
2793 | if (ifc->address->family == AF_INET) { | |
2794 | struct prefix_ipv4 *p; | |
2795 | ||
2796 | p = (struct prefix_ipv4 *)ifc->address; | |
a36898e7 | 2797 | rib_lookup_and_pushup(p, ifp->vrf_id); |
64168803 MS |
2798 | } |
2799 | #endif | |
2800 | ||
2801 | return intf_addr_update_internal(ifp, ifc, DPLANE_OP_ADDR_INSTALL); | |
a4a4802a MS |
2802 | } |
2803 | ||
2804 | /* | |
2805 | * Enqueue interface address remove/uninstall for the dataplane. | |
2806 | */ | |
2807 | enum zebra_dplane_result dplane_intf_addr_unset(const struct interface *ifp, | |
2808 | const struct connected *ifc) | |
2809 | { | |
64168803 MS |
2810 | return intf_addr_update_internal(ifp, ifc, DPLANE_OP_ADDR_UNINSTALL); |
2811 | } | |
2812 | ||
2813 | static enum zebra_dplane_result intf_addr_update_internal( | |
2814 | const struct interface *ifp, const struct connected *ifc, | |
2815 | enum dplane_op_e op) | |
2816 | { | |
2817 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2818 | int ret = EINVAL; | |
2819 | struct zebra_dplane_ctx *ctx = NULL; | |
2820 | struct zebra_ns *zns; | |
2821 | ||
2822 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { | |
2823 | char addr_str[PREFIX_STRLEN]; | |
2824 | ||
2825 | prefix2str(ifc->address, addr_str, sizeof(addr_str)); | |
2826 | ||
2827 | zlog_debug("init intf ctx %s: idx %d, addr %u:%s", | |
a36898e7 | 2828 | dplane_op2str(op), ifp->ifindex, ifp->vrf_id, |
64168803 MS |
2829 | addr_str); |
2830 | } | |
2831 | ||
2832 | ctx = dplane_ctx_alloc(); | |
64168803 MS |
2833 | |
2834 | ctx->zd_op = op; | |
2835 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
a36898e7 | 2836 | ctx->zd_vrf_id = ifp->vrf_id; |
64168803 | 2837 | |
a36898e7 | 2838 | zns = zebra_ns_lookup(ifp->vrf_id); |
64168803 MS |
2839 | dplane_ctx_ns_init(ctx, zns, false); |
2840 | ||
2841 | /* Init the interface-addr-specific area */ | |
2842 | memset(&ctx->u.intf, 0, sizeof(ctx->u.intf)); | |
2843 | ||
7c7ef4a8 MS |
2844 | strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname)); |
2845 | ctx->zd_ifindex = ifp->ifindex; | |
64168803 MS |
2846 | ctx->u.intf.prefix = *(ifc->address); |
2847 | ||
2848 | if (if_is_broadcast(ifp)) | |
2849 | ctx->u.intf.flags |= DPLANE_INTF_BROADCAST; | |
2850 | ||
2851 | if (CONNECTED_PEER(ifc)) { | |
2852 | ctx->u.intf.dest_prefix = *(ifc->destination); | |
2853 | ctx->u.intf.flags |= | |
2854 | (DPLANE_INTF_CONNECTED | DPLANE_INTF_HAS_DEST); | |
64168803 MS |
2855 | } |
2856 | ||
2857 | if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_SECONDARY)) | |
2858 | ctx->u.intf.flags |= DPLANE_INTF_SECONDARY; | |
2859 | ||
2860 | if (ifc->label) { | |
2861 | size_t len; | |
2862 | ||
2863 | ctx->u.intf.flags |= DPLANE_INTF_HAS_LABEL; | |
2864 | ||
2865 | /* Use embedded buffer if it's adequate; else allocate. */ | |
2866 | len = strlen(ifc->label); | |
2867 | ||
2868 | if (len < sizeof(ctx->u.intf.label_buf)) { | |
b7b7bf31 | 2869 | strlcpy(ctx->u.intf.label_buf, ifc->label, |
64168803 MS |
2870 | sizeof(ctx->u.intf.label_buf)); |
2871 | ctx->u.intf.label = ctx->u.intf.label_buf; | |
2872 | } else { | |
2873 | ctx->u.intf.label = strdup(ifc->label); | |
2874 | } | |
2875 | } | |
2876 | ||
3fe4ccc4 | 2877 | ret = dplane_update_enqueue(ctx); |
64168803 | 2878 | |
64168803 MS |
2879 | /* Increment counter */ |
2880 | atomic_fetch_add_explicit(&zdplane_info.dg_intf_addrs_in, 1, | |
2881 | memory_order_relaxed); | |
2882 | ||
2883 | if (ret == AOK) | |
2884 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
2885 | else { | |
2886 | /* Error counter */ | |
2887 | atomic_fetch_add_explicit(&zdplane_info.dg_intf_addr_errors, | |
2888 | 1, memory_order_relaxed); | |
d8e479a3 | 2889 | dplane_ctx_free(&ctx); |
64168803 MS |
2890 | } |
2891 | ||
2892 | return result; | |
a4a4802a MS |
2893 | } |
2894 | ||
7597ac7b MS |
2895 | /* |
2896 | * Enqueue vxlan/evpn mac add (or update). | |
2897 | */ | |
2898 | enum zebra_dplane_result dplane_mac_add(const struct interface *ifp, | |
478566d6 | 2899 | const struct interface *bridge_ifp, |
7597ac7b MS |
2900 | vlanid_t vid, |
2901 | const struct ethaddr *mac, | |
2902 | struct in_addr vtep_ip, | |
2903 | bool sticky) | |
2904 | { | |
2905 | enum zebra_dplane_result result; | |
2906 | ||
2907 | /* Use common helper api */ | |
f73a8467 MS |
2908 | result = mac_update_common(DPLANE_OP_MAC_INSTALL, ifp, bridge_ifp, |
2909 | vid, mac, vtep_ip, sticky); | |
7597ac7b MS |
2910 | return result; |
2911 | } | |
2912 | ||
2913 | /* | |
2914 | * Enqueue vxlan/evpn mac delete. | |
2915 | */ | |
2916 | enum zebra_dplane_result dplane_mac_del(const struct interface *ifp, | |
478566d6 | 2917 | const struct interface *bridge_ifp, |
7597ac7b MS |
2918 | vlanid_t vid, |
2919 | const struct ethaddr *mac, | |
2920 | struct in_addr vtep_ip) | |
2921 | { | |
2922 | enum zebra_dplane_result result; | |
2923 | ||
2924 | /* Use common helper api */ | |
f73a8467 MS |
2925 | result = mac_update_common(DPLANE_OP_MAC_DELETE, ifp, bridge_ifp, |
2926 | vid, mac, vtep_ip, false); | |
7597ac7b MS |
2927 | return result; |
2928 | } | |
2929 | ||
2930 | /* | |
f73a8467 MS |
2931 | * Public api to init an empty context - either newly-allocated or |
2932 | * reset/cleared - for a MAC update. | |
7597ac7b | 2933 | */ |
f73a8467 MS |
2934 | void dplane_mac_init(struct zebra_dplane_ctx *ctx, |
2935 | const struct interface *ifp, | |
2936 | const struct interface *br_ifp, | |
2937 | vlanid_t vid, | |
2938 | const struct ethaddr *mac, | |
2939 | struct in_addr vtep_ip, | |
2940 | bool sticky) | |
7597ac7b | 2941 | { |
7597ac7b MS |
2942 | struct zebra_ns *zns; |
2943 | ||
7597ac7b MS |
2944 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; |
2945 | ctx->zd_vrf_id = ifp->vrf_id; | |
2946 | ||
2947 | zns = zebra_ns_lookup(ifp->vrf_id); | |
2948 | dplane_ctx_ns_init(ctx, zns, false); | |
2949 | ||
2950 | strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname)); | |
2951 | ctx->zd_ifindex = ifp->ifindex; | |
2952 | ||
2953 | /* Init the mac-specific data area */ | |
2954 | memset(&ctx->u.macinfo, 0, sizeof(ctx->u.macinfo)); | |
2955 | ||
478566d6 | 2956 | ctx->u.macinfo.br_ifindex = br_ifp->ifindex; |
7597ac7b MS |
2957 | ctx->u.macinfo.vtep_ip = vtep_ip; |
2958 | ctx->u.macinfo.mac = *mac; | |
2959 | ctx->u.macinfo.vid = vid; | |
2960 | ctx->u.macinfo.is_sticky = sticky; | |
f73a8467 MS |
2961 | } |
2962 | ||
2963 | /* | |
2964 | * Common helper api for MAC address/vxlan updates | |
2965 | */ | |
2966 | static enum zebra_dplane_result | |
2967 | mac_update_common(enum dplane_op_e op, | |
2968 | const struct interface *ifp, | |
2969 | const struct interface *br_ifp, | |
2970 | vlanid_t vid, | |
2971 | const struct ethaddr *mac, | |
2972 | struct in_addr vtep_ip, | |
2973 | bool sticky) | |
2974 | { | |
2975 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
2976 | int ret; | |
2977 | struct zebra_dplane_ctx *ctx = NULL; | |
2978 | ||
2979 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { | |
2980 | char buf1[ETHER_ADDR_STRLEN], buf2[PREFIX_STRLEN]; | |
2981 | ||
2982 | zlog_debug("init mac ctx %s: mac %s, ifp %s, vtep %s", | |
2983 | dplane_op2str(op), | |
2984 | prefix_mac2str(mac, buf1, sizeof(buf1)), | |
2985 | ifp->name, | |
2986 | inet_ntop(AF_INET, &vtep_ip, buf2, sizeof(buf2))); | |
2987 | } | |
2988 | ||
2989 | ctx = dplane_ctx_alloc(); | |
2990 | ctx->zd_op = op; | |
2991 | ||
2992 | /* Common init for the ctx */ | |
2993 | dplane_mac_init(ctx, ifp, br_ifp, vid, mac, vtep_ip, sticky); | |
7597ac7b MS |
2994 | |
2995 | /* Enqueue for processing on the dplane pthread */ | |
2996 | ret = dplane_update_enqueue(ctx); | |
2997 | ||
2998 | /* Increment counter */ | |
2999 | atomic_fetch_add_explicit(&zdplane_info.dg_macs_in, 1, | |
3000 | memory_order_relaxed); | |
3001 | ||
3002 | if (ret == AOK) | |
3003 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
3004 | else { | |
3005 | /* Error counter */ | |
3006 | atomic_fetch_add_explicit(&zdplane_info.dg_mac_errors, 1, | |
3007 | memory_order_relaxed); | |
3008 | dplane_ctx_free(&ctx); | |
3009 | } | |
3010 | ||
3011 | return result; | |
3012 | } | |
3013 | ||
931fa60c MS |
3014 | /* |
3015 | * Enqueue evpn neighbor add for the dataplane. | |
3016 | */ | |
3017 | enum zebra_dplane_result dplane_neigh_add(const struct interface *ifp, | |
3018 | const struct ipaddr *ip, | |
3019 | const struct ethaddr *mac, | |
3020 | uint32_t flags) | |
3021 | { | |
3022 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
3023 | ||
3024 | result = neigh_update_internal(DPLANE_OP_NEIGH_INSTALL, | |
4dd9d11c | 3025 | ifp, mac, ip, flags, DPLANE_NUD_NOARP); |
931fa60c MS |
3026 | |
3027 | return result; | |
3028 | } | |
3029 | ||
3030 | /* | |
3031 | * Enqueue evpn neighbor update for the dataplane. | |
3032 | */ | |
3033 | enum zebra_dplane_result dplane_neigh_update(const struct interface *ifp, | |
3034 | const struct ipaddr *ip, | |
3035 | const struct ethaddr *mac) | |
3036 | { | |
0bbd4ff4 | 3037 | enum zebra_dplane_result result; |
931fa60c MS |
3038 | |
3039 | result = neigh_update_internal(DPLANE_OP_NEIGH_UPDATE, | |
3040 | ifp, mac, ip, 0, DPLANE_NUD_PROBE); | |
3041 | ||
3042 | return result; | |
3043 | } | |
3044 | ||
3045 | /* | |
3046 | * Enqueue evpn neighbor delete for the dataplane. | |
3047 | */ | |
3048 | enum zebra_dplane_result dplane_neigh_delete(const struct interface *ifp, | |
3049 | const struct ipaddr *ip) | |
3050 | { | |
0bbd4ff4 | 3051 | enum zebra_dplane_result result; |
931fa60c MS |
3052 | |
3053 | result = neigh_update_internal(DPLANE_OP_NEIGH_DELETE, | |
3054 | ifp, NULL, ip, 0, 0); | |
3055 | ||
3056 | return result; | |
3057 | } | |
3058 | ||
0bbd4ff4 MS |
3059 | /* |
3060 | * Enqueue evpn VTEP add for the dataplane. | |
3061 | */ | |
3062 | enum zebra_dplane_result dplane_vtep_add(const struct interface *ifp, | |
3063 | const struct in_addr *ip, | |
3064 | vni_t vni) | |
3065 | { | |
3066 | enum zebra_dplane_result result; | |
3067 | struct ethaddr mac = { {0, 0, 0, 0, 0, 0} }; | |
3068 | struct ipaddr addr; | |
3069 | ||
3070 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3071 | zlog_debug("Install %s into flood list for VNI %u intf %s(%u)", | |
3072 | inet_ntoa(*ip), vni, ifp->name, ifp->ifindex); | |
3073 | ||
3074 | SET_IPADDR_V4(&addr); | |
3075 | addr.ipaddr_v4 = *ip; | |
3076 | ||
3077 | result = neigh_update_internal(DPLANE_OP_VTEP_ADD, | |
3078 | ifp, &mac, &addr, 0, 0); | |
3079 | ||
3080 | return result; | |
3081 | } | |
3082 | ||
3083 | /* | |
3084 | * Enqueue evpn VTEP add for the dataplane. | |
3085 | */ | |
3086 | enum zebra_dplane_result dplane_vtep_delete(const struct interface *ifp, | |
3087 | const struct in_addr *ip, | |
3088 | vni_t vni) | |
3089 | { | |
3090 | enum zebra_dplane_result result; | |
3091 | struct ethaddr mac = { {0, 0, 0, 0, 0, 0} }; | |
3092 | struct ipaddr addr; | |
3093 | ||
3094 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3095 | zlog_debug( | |
3096 | "Uninstall %s from flood list for VNI %u intf %s(%u)", | |
3097 | inet_ntoa(*ip), vni, ifp->name, ifp->ifindex); | |
3098 | ||
3099 | SET_IPADDR_V4(&addr); | |
3100 | addr.ipaddr_v4 = *ip; | |
3101 | ||
3102 | result = neigh_update_internal(DPLANE_OP_VTEP_DELETE, | |
3103 | ifp, &mac, &addr, 0, 0); | |
3104 | ||
3105 | return result; | |
3106 | } | |
3107 | ||
931fa60c MS |
3108 | /* |
3109 | * Common helper api for evpn neighbor updates | |
3110 | */ | |
3111 | static enum zebra_dplane_result | |
3112 | neigh_update_internal(enum dplane_op_e op, | |
3113 | const struct interface *ifp, | |
3114 | const struct ethaddr *mac, | |
3115 | const struct ipaddr *ip, | |
3116 | uint32_t flags, uint16_t state) | |
3117 | { | |
3118 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
3119 | int ret; | |
3120 | struct zebra_dplane_ctx *ctx = NULL; | |
3121 | struct zebra_ns *zns; | |
3122 | ||
3123 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { | |
3124 | char buf1[ETHER_ADDR_STRLEN], buf2[PREFIX_STRLEN]; | |
3125 | ||
3126 | zlog_debug("init neigh ctx %s: ifp %s, mac %s, ip %s", | |
3127 | dplane_op2str(op), | |
3128 | prefix_mac2str(mac, buf1, sizeof(buf1)), | |
3129 | ifp->name, | |
3130 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
3131 | } | |
3132 | ||
3133 | ctx = dplane_ctx_alloc(); | |
3134 | ||
3135 | ctx->zd_op = op; | |
3136 | ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
3137 | ctx->zd_vrf_id = ifp->vrf_id; | |
3138 | ||
3139 | zns = zebra_ns_lookup(ifp->vrf_id); | |
3140 | dplane_ctx_ns_init(ctx, zns, false); | |
3141 | ||
3142 | strlcpy(ctx->zd_ifname, ifp->name, sizeof(ctx->zd_ifname)); | |
3143 | ctx->zd_ifindex = ifp->ifindex; | |
3144 | ||
3145 | /* Init the neighbor-specific data area */ | |
3146 | memset(&ctx->u.neigh, 0, sizeof(ctx->u.neigh)); | |
3147 | ||
3148 | ctx->u.neigh.ip_addr = *ip; | |
3149 | if (mac) | |
3150 | ctx->u.neigh.mac = *mac; | |
3151 | ctx->u.neigh.flags = flags; | |
3152 | ctx->u.neigh.state = state; | |
3153 | ||
3154 | /* Enqueue for processing on the dplane pthread */ | |
3155 | ret = dplane_update_enqueue(ctx); | |
3156 | ||
3157 | /* Increment counter */ | |
3158 | atomic_fetch_add_explicit(&zdplane_info.dg_neighs_in, 1, | |
3159 | memory_order_relaxed); | |
3160 | ||
3161 | if (ret == AOK) | |
3162 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
3163 | else { | |
3164 | /* Error counter */ | |
3165 | atomic_fetch_add_explicit(&zdplane_info.dg_neigh_errors, 1, | |
3166 | memory_order_relaxed); | |
3167 | dplane_ctx_free(&ctx); | |
3168 | } | |
3169 | ||
3170 | return result; | |
3171 | } | |
3172 | ||
f62e5480 JU |
3173 | /* |
3174 | * Common helper api for PBR rule updates | |
3175 | */ | |
3176 | static enum zebra_dplane_result | |
3177 | rule_update_internal(enum dplane_op_e op, struct zebra_pbr_rule *new_rule, | |
3178 | struct zebra_pbr_rule *old_rule) | |
3179 | { | |
3180 | enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE; | |
3181 | struct zebra_dplane_ctx *ctx; | |
3182 | int ret; | |
3183 | ||
3184 | ctx = dplane_ctx_alloc(); | |
3185 | ||
3186 | ret = dplane_ctx_rule_init(ctx, op, new_rule, old_rule); | |
3187 | if (ret != AOK) | |
3188 | goto done; | |
3189 | ||
3190 | ret = dplane_update_enqueue(ctx); | |
3191 | ||
3192 | done: | |
3193 | atomic_fetch_add_explicit(&zdplane_info.dg_rules_in, 1, | |
3194 | memory_order_relaxed); | |
3195 | ||
3196 | if (ret == AOK) | |
3197 | result = ZEBRA_DPLANE_REQUEST_QUEUED; | |
3198 | else { | |
3199 | atomic_fetch_add_explicit(&zdplane_info.dg_rule_errors, 1, | |
3200 | memory_order_relaxed); | |
3201 | dplane_ctx_free(&ctx); | |
3202 | } | |
3203 | ||
3204 | return result; | |
3205 | } | |
3206 | ||
3207 | enum zebra_dplane_result dplane_pbr_rule_add(struct zebra_pbr_rule *rule) | |
3208 | { | |
3209 | return rule_update_internal(DPLANE_OP_RULE_ADD, rule, NULL); | |
3210 | } | |
3211 | ||
3212 | enum zebra_dplane_result dplane_pbr_rule_delete(struct zebra_pbr_rule *rule) | |
3213 | { | |
3214 | return rule_update_internal(DPLANE_OP_RULE_DELETE, rule, NULL); | |
3215 | } | |
3216 | ||
3217 | enum zebra_dplane_result dplane_pbr_rule_update(struct zebra_pbr_rule *old_rule, | |
3218 | struct zebra_pbr_rule *new_rule) | |
3219 | { | |
3220 | return rule_update_internal(DPLANE_OP_RULE_UPDATE, new_rule, old_rule); | |
3221 | } | |
3222 | ||
1d11b21f MS |
3223 | /* |
3224 | * Handler for 'show dplane' | |
3225 | */ | |
3226 | int dplane_show_helper(struct vty *vty, bool detailed) | |
3227 | { | |
16c628de MS |
3228 | uint64_t queued, queue_max, limit, errs, incoming, yields, |
3229 | other_errs; | |
1d11b21f | 3230 | |
4dfd7a02 | 3231 | /* Using atomics because counters are being changed in different |
c831033f | 3232 | * pthread contexts. |
4dfd7a02 | 3233 | */ |
25779064 | 3234 | incoming = atomic_load_explicit(&zdplane_info.dg_routes_in, |
1d11b21f | 3235 | memory_order_relaxed); |
91f16812 MS |
3236 | limit = atomic_load_explicit(&zdplane_info.dg_max_queued_updates, |
3237 | memory_order_relaxed); | |
25779064 | 3238 | queued = atomic_load_explicit(&zdplane_info.dg_routes_queued, |
1d11b21f | 3239 | memory_order_relaxed); |
25779064 | 3240 | queue_max = atomic_load_explicit(&zdplane_info.dg_routes_queued_max, |
4dfd7a02 | 3241 | memory_order_relaxed); |
25779064 | 3242 | errs = atomic_load_explicit(&zdplane_info.dg_route_errors, |
1d11b21f | 3243 | memory_order_relaxed); |
c831033f MS |
3244 | yields = atomic_load_explicit(&zdplane_info.dg_update_yields, |
3245 | memory_order_relaxed); | |
16c628de MS |
3246 | other_errs = atomic_load_explicit(&zdplane_info.dg_other_errors, |
3247 | memory_order_relaxed); | |
1d11b21f | 3248 | |
c831033f MS |
3249 | vty_out(vty, "Zebra dataplane:\nRoute updates: %"PRIu64"\n", |
3250 | incoming); | |
1d11b21f | 3251 | vty_out(vty, "Route update errors: %"PRIu64"\n", errs); |
16c628de | 3252 | vty_out(vty, "Other errors : %"PRIu64"\n", other_errs); |
91f16812 | 3253 | vty_out(vty, "Route update queue limit: %"PRIu64"\n", limit); |
1d11b21f | 3254 | vty_out(vty, "Route update queue depth: %"PRIu64"\n", queued); |
4dfd7a02 | 3255 | vty_out(vty, "Route update queue max: %"PRIu64"\n", queue_max); |
4280d91c MS |
3256 | vty_out(vty, "Dplane update yields: %"PRIu64"\n", yields); |
3257 | ||
3258 | incoming = atomic_load_explicit(&zdplane_info.dg_lsps_in, | |
3259 | memory_order_relaxed); | |
3260 | errs = atomic_load_explicit(&zdplane_info.dg_lsp_errors, | |
3261 | memory_order_relaxed); | |
3262 | vty_out(vty, "LSP updates: %"PRIu64"\n", incoming); | |
3263 | vty_out(vty, "LSP update errors: %"PRIu64"\n", errs); | |
3264 | ||
3265 | incoming = atomic_load_explicit(&zdplane_info.dg_pws_in, | |
3266 | memory_order_relaxed); | |
3267 | errs = atomic_load_explicit(&zdplane_info.dg_pw_errors, | |
3268 | memory_order_relaxed); | |
3269 | vty_out(vty, "PW updates: %"PRIu64"\n", incoming); | |
3270 | vty_out(vty, "PW update errors: %"PRIu64"\n", errs); | |
3271 | ||
3272 | incoming = atomic_load_explicit(&zdplane_info.dg_intf_addrs_in, | |
3273 | memory_order_relaxed); | |
3274 | errs = atomic_load_explicit(&zdplane_info.dg_intf_addr_errors, | |
3275 | memory_order_relaxed); | |
3276 | vty_out(vty, "Intf addr updates: %"PRIu64"\n", incoming); | |
3277 | vty_out(vty, "Intf addr errors: %"PRIu64"\n", errs); | |
3278 | ||
3279 | incoming = atomic_load_explicit(&zdplane_info.dg_macs_in, | |
3280 | memory_order_relaxed); | |
3281 | errs = atomic_load_explicit(&zdplane_info.dg_mac_errors, | |
3282 | memory_order_relaxed); | |
3283 | vty_out(vty, "EVPN MAC updates: %"PRIu64"\n", incoming); | |
3284 | vty_out(vty, "EVPN MAC errors: %"PRIu64"\n", errs); | |
1d11b21f | 3285 | |
931fa60c MS |
3286 | incoming = atomic_load_explicit(&zdplane_info.dg_neighs_in, |
3287 | memory_order_relaxed); | |
3288 | errs = atomic_load_explicit(&zdplane_info.dg_neigh_errors, | |
3289 | memory_order_relaxed); | |
3290 | vty_out(vty, "EVPN neigh updates: %"PRIu64"\n", incoming); | |
3291 | vty_out(vty, "EVPN neigh errors: %"PRIu64"\n", errs); | |
3292 | ||
60d8d43b JU |
3293 | incoming = atomic_load_explicit(&zdplane_info.dg_rules_in, |
3294 | memory_order_relaxed); | |
3295 | errs = atomic_load_explicit(&zdplane_info.dg_rule_errors, | |
3296 | memory_order_relaxed); | |
3297 | vty_out(vty, "Rule updates: %" PRIu64 "\n", incoming); | |
3298 | vty_out(vty, "Rule errors: %" PRIu64 "\n", errs); | |
3299 | ||
1d11b21f MS |
3300 | return CMD_SUCCESS; |
3301 | } | |
3302 | ||
3303 | /* | |
3304 | * Handler for 'show dplane providers' | |
3305 | */ | |
3306 | int dplane_show_provs_helper(struct vty *vty, bool detailed) | |
3307 | { | |
c831033f MS |
3308 | struct zebra_dplane_provider *prov; |
3309 | uint64_t in, in_max, out, out_max; | |
3310 | ||
3311 | vty_out(vty, "Zebra dataplane providers:\n"); | |
3312 | ||
3313 | DPLANE_LOCK(); | |
3314 | prov = TAILQ_FIRST(&zdplane_info.dg_providers_q); | |
3315 | DPLANE_UNLOCK(); | |
3316 | ||
3317 | /* Show counters, useful info from each registered provider */ | |
3318 | while (prov) { | |
3319 | ||
3320 | in = atomic_load_explicit(&prov->dp_in_counter, | |
3321 | memory_order_relaxed); | |
3322 | in_max = atomic_load_explicit(&prov->dp_in_max, | |
3323 | memory_order_relaxed); | |
3324 | out = atomic_load_explicit(&prov->dp_out_counter, | |
3325 | memory_order_relaxed); | |
3326 | out_max = atomic_load_explicit(&prov->dp_out_max, | |
3327 | memory_order_relaxed); | |
3328 | ||
3efd0893 | 3329 | vty_out(vty, "%s (%u): in: %"PRIu64", q_max: %"PRIu64", out: %"PRIu64", q_max: %"PRIu64"\n", |
c831033f MS |
3330 | prov->dp_name, prov->dp_id, in, in_max, out, out_max); |
3331 | ||
3332 | DPLANE_LOCK(); | |
3333 | prov = TAILQ_NEXT(prov, dp_prov_link); | |
3334 | DPLANE_UNLOCK(); | |
3335 | } | |
1d11b21f MS |
3336 | |
3337 | return CMD_SUCCESS; | |
3338 | } | |
3339 | ||
f26730e1 MS |
3340 | /* |
3341 | * Helper for 'show run' etc. | |
3342 | */ | |
3343 | int dplane_config_write_helper(struct vty *vty) | |
3344 | { | |
3345 | if (zdplane_info.dg_max_queued_updates != DPLANE_DEFAULT_MAX_QUEUED) | |
3346 | vty_out(vty, "zebra dplane limit %u\n", | |
3347 | zdplane_info.dg_max_queued_updates); | |
3348 | ||
3349 | return 0; | |
3350 | } | |
3351 | ||
b8e0423d MS |
3352 | /* |
3353 | * Provider registration | |
3354 | */ | |
3355 | int dplane_provider_register(const char *name, | |
c831033f MS |
3356 | enum dplane_provider_prio prio, |
3357 | int flags, | |
1dd4ea8a | 3358 | int (*start_fp)(struct zebra_dplane_provider *), |
4c206c8f MS |
3359 | int (*fp)(struct zebra_dplane_provider *), |
3360 | int (*fini_fp)(struct zebra_dplane_provider *, | |
3361 | bool early), | |
1ff8a248 MS |
3362 | void *data, |
3363 | struct zebra_dplane_provider **prov_p) | |
b8e0423d MS |
3364 | { |
3365 | int ret = 0; | |
6fb51ccb | 3366 | struct zebra_dplane_provider *p = NULL, *last; |
b8e0423d MS |
3367 | |
3368 | /* Validate */ | |
3369 | if (fp == NULL) { | |
3370 | ret = EINVAL; | |
3371 | goto done; | |
3372 | } | |
3373 | ||
3374 | if (prio <= DPLANE_PRIO_NONE || | |
1bcea841 | 3375 | prio > DPLANE_PRIO_LAST) { |
b8e0423d MS |
3376 | ret = EINVAL; |
3377 | goto done; | |
3378 | } | |
3379 | ||
3380 | /* Allocate and init new provider struct */ | |
25779064 | 3381 | p = XCALLOC(MTYPE_DP_PROV, sizeof(struct zebra_dplane_provider)); |
b8e0423d | 3382 | |
c831033f MS |
3383 | pthread_mutex_init(&(p->dp_mutex), NULL); |
3384 | TAILQ_INIT(&(p->dp_ctx_in_q)); | |
3385 | TAILQ_INIT(&(p->dp_ctx_out_q)); | |
b8e0423d | 3386 | |
932dbb4d | 3387 | p->dp_flags = flags; |
b8e0423d MS |
3388 | p->dp_priority = prio; |
3389 | p->dp_fp = fp; | |
1dd4ea8a | 3390 | p->dp_start = start_fp; |
18c37974 | 3391 | p->dp_fini = fini_fp; |
c831033f | 3392 | p->dp_data = data; |
18c37974 | 3393 | |
c831033f | 3394 | /* Lock - the dplane pthread may be running */ |
18c37974 | 3395 | DPLANE_LOCK(); |
b8e0423d | 3396 | |
25779064 | 3397 | p->dp_id = ++zdplane_info.dg_provider_id; |
b8e0423d | 3398 | |
c831033f MS |
3399 | if (name) |
3400 | strlcpy(p->dp_name, name, DPLANE_PROVIDER_NAMELEN); | |
3401 | else | |
3402 | snprintf(p->dp_name, DPLANE_PROVIDER_NAMELEN, | |
3403 | "provider-%u", p->dp_id); | |
3404 | ||
b8e0423d | 3405 | /* Insert into list ordered by priority */ |
c831033f | 3406 | TAILQ_FOREACH(last, &zdplane_info.dg_providers_q, dp_prov_link) { |
5709131c | 3407 | if (last->dp_priority > p->dp_priority) |
b8e0423d | 3408 | break; |
b8e0423d MS |
3409 | } |
3410 | ||
5709131c | 3411 | if (last) |
c831033f | 3412 | TAILQ_INSERT_BEFORE(last, p, dp_prov_link); |
5709131c | 3413 | else |
25779064 | 3414 | TAILQ_INSERT_TAIL(&zdplane_info.dg_providers_q, p, |
c831033f | 3415 | dp_prov_link); |
b8e0423d | 3416 | |
18c37974 MS |
3417 | /* And unlock */ |
3418 | DPLANE_UNLOCK(); | |
3419 | ||
c831033f MS |
3420 | if (IS_ZEBRA_DEBUG_DPLANE) |
3421 | zlog_debug("dplane: registered new provider '%s' (%u), prio %d", | |
3422 | p->dp_name, p->dp_id, p->dp_priority); | |
3423 | ||
b8e0423d | 3424 | done: |
1ff8a248 MS |
3425 | if (prov_p) |
3426 | *prov_p = p; | |
3427 | ||
5709131c | 3428 | return ret; |
b8e0423d MS |
3429 | } |
3430 | ||
c831033f MS |
3431 | /* Accessors for provider attributes */ |
3432 | const char *dplane_provider_get_name(const struct zebra_dplane_provider *prov) | |
3433 | { | |
3434 | return prov->dp_name; | |
3435 | } | |
3436 | ||
3437 | uint32_t dplane_provider_get_id(const struct zebra_dplane_provider *prov) | |
3438 | { | |
3439 | return prov->dp_id; | |
3440 | } | |
3441 | ||
3442 | void *dplane_provider_get_data(const struct zebra_dplane_provider *prov) | |
3443 | { | |
3444 | return prov->dp_data; | |
3445 | } | |
3446 | ||
3447 | int dplane_provider_get_work_limit(const struct zebra_dplane_provider *prov) | |
3448 | { | |
3449 | return zdplane_info.dg_updates_per_cycle; | |
3450 | } | |
3451 | ||
ad6aad4d MS |
3452 | /* Lock/unlock a provider's mutex - iff the provider was registered with |
3453 | * the THREADED flag. | |
3454 | */ | |
3455 | void dplane_provider_lock(struct zebra_dplane_provider *prov) | |
3456 | { | |
3457 | if (dplane_provider_is_threaded(prov)) | |
3458 | DPLANE_PROV_LOCK(prov); | |
3459 | } | |
3460 | ||
3461 | void dplane_provider_unlock(struct zebra_dplane_provider *prov) | |
3462 | { | |
3463 | if (dplane_provider_is_threaded(prov)) | |
3464 | DPLANE_PROV_UNLOCK(prov); | |
3465 | } | |
3466 | ||
c831033f MS |
3467 | /* |
3468 | * Dequeue and maintain associated counter | |
3469 | */ | |
3470 | struct zebra_dplane_ctx *dplane_provider_dequeue_in_ctx( | |
3471 | struct zebra_dplane_provider *prov) | |
3472 | { | |
3473 | struct zebra_dplane_ctx *ctx = NULL; | |
3474 | ||
ad6aad4d | 3475 | dplane_provider_lock(prov); |
c831033f MS |
3476 | |
3477 | ctx = TAILQ_FIRST(&(prov->dp_ctx_in_q)); | |
3478 | if (ctx) { | |
3479 | TAILQ_REMOVE(&(prov->dp_ctx_in_q), ctx, zd_q_entries); | |
c9d17fe8 MS |
3480 | |
3481 | atomic_fetch_sub_explicit(&prov->dp_in_queued, 1, | |
3482 | memory_order_relaxed); | |
c831033f MS |
3483 | } |
3484 | ||
ad6aad4d | 3485 | dplane_provider_unlock(prov); |
c831033f MS |
3486 | |
3487 | return ctx; | |
3488 | } | |
3489 | ||
3490 | /* | |
3491 | * Dequeue work to a list, return count | |
3492 | */ | |
3493 | int dplane_provider_dequeue_in_list(struct zebra_dplane_provider *prov, | |
3494 | struct dplane_ctx_q *listp) | |
3495 | { | |
3496 | int limit, ret; | |
3497 | struct zebra_dplane_ctx *ctx; | |
3498 | ||
3499 | limit = zdplane_info.dg_updates_per_cycle; | |
3500 | ||
ad6aad4d | 3501 | dplane_provider_lock(prov); |
c831033f MS |
3502 | |
3503 | for (ret = 0; ret < limit; ret++) { | |
3504 | ctx = TAILQ_FIRST(&(prov->dp_ctx_in_q)); | |
3505 | if (ctx) { | |
3506 | TAILQ_REMOVE(&(prov->dp_ctx_in_q), ctx, zd_q_entries); | |
3507 | ||
3508 | TAILQ_INSERT_TAIL(listp, ctx, zd_q_entries); | |
3509 | } else { | |
3510 | break; | |
3511 | } | |
3512 | } | |
3513 | ||
c9d17fe8 MS |
3514 | if (ret > 0) |
3515 | atomic_fetch_sub_explicit(&prov->dp_in_queued, ret, | |
3516 | memory_order_relaxed); | |
3517 | ||
ad6aad4d | 3518 | dplane_provider_unlock(prov); |
c831033f MS |
3519 | |
3520 | return ret; | |
3521 | } | |
3522 | ||
3523 | /* | |
3524 | * Enqueue and maintain associated counter | |
3525 | */ | |
3526 | void dplane_provider_enqueue_out_ctx(struct zebra_dplane_provider *prov, | |
3527 | struct zebra_dplane_ctx *ctx) | |
3528 | { | |
ad6aad4d | 3529 | dplane_provider_lock(prov); |
c831033f MS |
3530 | |
3531 | TAILQ_INSERT_TAIL(&(prov->dp_ctx_out_q), ctx, | |
3532 | zd_q_entries); | |
3533 | ||
ad6aad4d | 3534 | dplane_provider_unlock(prov); |
c831033f MS |
3535 | |
3536 | atomic_fetch_add_explicit(&(prov->dp_out_counter), 1, | |
3537 | memory_order_relaxed); | |
3538 | } | |
3539 | ||
62b8bb7a MS |
3540 | /* |
3541 | * Accessor for provider object | |
3542 | */ | |
c831033f MS |
3543 | bool dplane_provider_is_threaded(const struct zebra_dplane_provider *prov) |
3544 | { | |
3545 | return (prov->dp_flags & DPLANE_PROV_FLAG_THREADED); | |
3546 | } | |
3547 | ||
62b8bb7a MS |
3548 | /* |
3549 | * Internal helper that copies information from a zebra ns object; this is | |
3550 | * called in the zebra main pthread context as part of dplane ctx init. | |
3551 | */ | |
3552 | static void dplane_info_from_zns(struct zebra_dplane_info *ns_info, | |
3553 | struct zebra_ns *zns) | |
3554 | { | |
3555 | ns_info->ns_id = zns->ns_id; | |
3556 | ||
3557 | #if defined(HAVE_NETLINK) | |
3558 | ns_info->is_cmd = true; | |
3559 | ns_info->nls = zns->netlink_dplane; | |
3560 | #endif /* NETLINK */ | |
3561 | } | |
3562 | ||
c831033f MS |
3563 | /* |
3564 | * Provider api to signal that work/events are available | |
3565 | * for the dataplane pthread. | |
3566 | */ | |
3567 | int dplane_provider_work_ready(void) | |
3568 | { | |
e5a60d82 MS |
3569 | /* Note that during zebra startup, we may be offered work before |
3570 | * the dataplane pthread (and thread-master) are ready. We want to | |
3571 | * enqueue the work, but the event-scheduling machinery may not be | |
3572 | * available. | |
3573 | */ | |
3574 | if (zdplane_info.dg_run) { | |
3575 | thread_add_event(zdplane_info.dg_master, | |
3576 | dplane_thread_loop, NULL, 0, | |
3577 | &zdplane_info.dg_t_update); | |
3578 | } | |
c831033f MS |
3579 | |
3580 | return AOK; | |
3581 | } | |
3582 | ||
593e4eb1 MS |
3583 | /* |
3584 | * Enqueue a context directly to zebra main. | |
3585 | */ | |
3586 | void dplane_provider_enqueue_to_zebra(struct zebra_dplane_ctx *ctx) | |
3587 | { | |
3588 | struct dplane_ctx_q temp_list; | |
3589 | ||
3590 | /* Zebra's api takes a list, so we need to use a temporary list */ | |
3591 | TAILQ_INIT(&temp_list); | |
3592 | ||
3593 | TAILQ_INSERT_TAIL(&temp_list, ctx, zd_q_entries); | |
3594 | (zdplane_info.dg_results_cb)(&temp_list); | |
3595 | } | |
3596 | ||
7cdb1a84 | 3597 | /* |
c831033f | 3598 | * Kernel dataplane provider |
7cdb1a84 | 3599 | */ |
c831033f | 3600 | |
16c628de MS |
3601 | /* |
3602 | * Handler for kernel LSP updates | |
3603 | */ | |
3604 | static enum zebra_dplane_result | |
3605 | kernel_dplane_lsp_update(struct zebra_dplane_ctx *ctx) | |
3606 | { | |
2f74a82a | 3607 | return kernel_lsp_update(ctx); |
16c628de MS |
3608 | } |
3609 | ||
c10a646d MS |
3610 | /* |
3611 | * Handler for kernel pseudowire updates | |
3612 | */ | |
3613 | static enum zebra_dplane_result | |
3614 | kernel_dplane_pw_update(struct zebra_dplane_ctx *ctx) | |
3615 | { | |
c10a646d MS |
3616 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
3617 | zlog_debug("Dplane pw %s: op %s af %d loc: %u rem: %u", | |
7c7ef4a8 | 3618 | dplane_ctx_get_ifname(ctx), |
c10a646d MS |
3619 | dplane_op2str(ctx->zd_op), |
3620 | dplane_ctx_get_pw_af(ctx), | |
3621 | dplane_ctx_get_pw_local_label(ctx), | |
3622 | dplane_ctx_get_pw_remote_label(ctx)); | |
3623 | ||
2f74a82a | 3624 | return kernel_pw_update(ctx); |
c10a646d MS |
3625 | } |
3626 | ||
16c628de MS |
3627 | /* |
3628 | * Handler for kernel route updates | |
3629 | */ | |
3630 | static enum zebra_dplane_result | |
3631 | kernel_dplane_route_update(struct zebra_dplane_ctx *ctx) | |
3632 | { | |
16c628de MS |
3633 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { |
3634 | char dest_str[PREFIX_STRLEN]; | |
3635 | ||
3636 | prefix2str(dplane_ctx_get_dest(ctx), | |
3637 | dest_str, sizeof(dest_str)); | |
3638 | ||
3639 | zlog_debug("%u:%s Dplane route update ctx %p op %s", | |
3640 | dplane_ctx_get_vrf(ctx), dest_str, | |
3641 | ctx, dplane_op2str(dplane_ctx_get_op(ctx))); | |
3642 | } | |
3643 | ||
2f74a82a | 3644 | return kernel_route_update(ctx); |
16c628de MS |
3645 | } |
3646 | ||
64168803 MS |
3647 | /* |
3648 | * Handler for kernel-facing interface address updates | |
3649 | */ | |
3650 | static enum zebra_dplane_result | |
3651 | kernel_dplane_address_update(struct zebra_dplane_ctx *ctx) | |
3652 | { | |
64168803 MS |
3653 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { |
3654 | char dest_str[PREFIX_STRLEN]; | |
3655 | ||
3656 | prefix2str(dplane_ctx_get_intf_addr(ctx), dest_str, | |
3657 | sizeof(dest_str)); | |
3658 | ||
3659 | zlog_debug("Dplane intf %s, idx %u, addr %s", | |
3660 | dplane_op2str(dplane_ctx_get_op(ctx)), | |
3661 | dplane_ctx_get_ifindex(ctx), dest_str); | |
3662 | } | |
3663 | ||
2f74a82a | 3664 | return kernel_address_update_ctx(ctx); |
64168803 MS |
3665 | } |
3666 | ||
f820d025 SW |
3667 | /** |
3668 | * kernel_dplane_nexthop_update() - Handler for kernel nexthop updates | |
3669 | * | |
3670 | * @ctx: Dataplane context | |
3671 | * | |
3672 | * Return: Dataplane result flag | |
3673 | */ | |
3674 | static enum zebra_dplane_result | |
3675 | kernel_dplane_nexthop_update(struct zebra_dplane_ctx *ctx) | |
3676 | { | |
f820d025 SW |
3677 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { |
3678 | zlog_debug("ID (%u) Dplane nexthop update ctx %p op %s", | |
0c8215cb | 3679 | dplane_ctx_get_nhe_id(ctx), ctx, |
f820d025 SW |
3680 | dplane_op2str(dplane_ctx_get_op(ctx))); |
3681 | } | |
3682 | ||
2f74a82a | 3683 | return kernel_nexthop_update(ctx); |
f820d025 SW |
3684 | } |
3685 | ||
036d93c0 | 3686 | /* |
931fa60c | 3687 | * Handler for kernel-facing EVPN MAC address updates |
036d93c0 MS |
3688 | */ |
3689 | static enum zebra_dplane_result | |
3690 | kernel_dplane_mac_update(struct zebra_dplane_ctx *ctx) | |
3691 | { | |
036d93c0 MS |
3692 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { |
3693 | char buf[ETHER_ADDR_STRLEN]; | |
3694 | ||
3695 | prefix_mac2str(dplane_ctx_mac_get_addr(ctx), buf, | |
3696 | sizeof(buf)); | |
3697 | ||
3698 | zlog_debug("Dplane %s, mac %s, ifindex %u", | |
3699 | dplane_op2str(dplane_ctx_get_op(ctx)), | |
3700 | buf, dplane_ctx_get_ifindex(ctx)); | |
3701 | } | |
3702 | ||
2f74a82a | 3703 | return kernel_mac_update_ctx(ctx); |
036d93c0 MS |
3704 | } |
3705 | ||
931fa60c MS |
3706 | /* |
3707 | * Handler for kernel-facing EVPN neighbor updates | |
3708 | */ | |
3709 | static enum zebra_dplane_result | |
3710 | kernel_dplane_neigh_update(struct zebra_dplane_ctx *ctx) | |
3711 | { | |
931fa60c MS |
3712 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) { |
3713 | char buf[PREFIX_STRLEN]; | |
3714 | ||
3715 | ipaddr2str(dplane_ctx_neigh_get_ipaddr(ctx), buf, | |
3716 | sizeof(buf)); | |
3717 | ||
3718 | zlog_debug("Dplane %s, ip %s, ifindex %u", | |
3719 | dplane_op2str(dplane_ctx_get_op(ctx)), | |
3720 | buf, dplane_ctx_get_ifindex(ctx)); | |
3721 | } | |
3722 | ||
2f74a82a | 3723 | return kernel_neigh_update_ctx(ctx); |
931fa60c MS |
3724 | } |
3725 | ||
f62e5480 JU |
3726 | /* |
3727 | * Handler for kernel PBR rule updates | |
3728 | */ | |
3729 | static enum zebra_dplane_result | |
3730 | kernel_dplane_rule_update(struct zebra_dplane_ctx *ctx) | |
3731 | { | |
f62e5480 JU |
3732 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
3733 | zlog_debug("Dplane rule update op %s, if %s(%u), ctx %p", | |
3734 | dplane_op2str(dplane_ctx_get_op(ctx)), | |
3735 | dplane_ctx_get_ifname(ctx), | |
3736 | dplane_ctx_get_ifindex(ctx), ctx); | |
3737 | ||
2f74a82a JU |
3738 | return kernel_pbr_rule_update(ctx); |
3739 | } | |
f62e5480 | 3740 | |
2f74a82a JU |
3741 | static void kernel_dplane_handle_result(struct zebra_dplane_ctx *ctx, |
3742 | enum zebra_dplane_result res) | |
3743 | { | |
3744 | switch (dplane_ctx_get_op(ctx)) { | |
3745 | ||
3746 | case DPLANE_OP_ROUTE_INSTALL: | |
3747 | case DPLANE_OP_ROUTE_UPDATE: | |
3748 | case DPLANE_OP_ROUTE_DELETE: | |
3749 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3750 | atomic_fetch_add_explicit(&zdplane_info.dg_route_errors, | |
3751 | 1, memory_order_relaxed); | |
3752 | break; | |
3753 | ||
3754 | case DPLANE_OP_NH_INSTALL: | |
3755 | case DPLANE_OP_NH_UPDATE: | |
3756 | case DPLANE_OP_NH_DELETE: | |
3757 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3758 | atomic_fetch_add_explicit( | |
3759 | &zdplane_info.dg_nexthop_errors, 1, | |
3760 | memory_order_relaxed); | |
3761 | break; | |
3762 | ||
3763 | case DPLANE_OP_LSP_INSTALL: | |
3764 | case DPLANE_OP_LSP_UPDATE: | |
3765 | case DPLANE_OP_LSP_DELETE: | |
3766 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3767 | atomic_fetch_add_explicit(&zdplane_info.dg_lsp_errors, | |
3768 | 1, memory_order_relaxed); | |
3769 | break; | |
3770 | ||
3771 | case DPLANE_OP_PW_INSTALL: | |
3772 | case DPLANE_OP_PW_UNINSTALL: | |
3773 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3774 | atomic_fetch_add_explicit(&zdplane_info.dg_pw_errors, 1, | |
3775 | memory_order_relaxed); | |
3776 | break; | |
f62e5480 | 3777 | |
2f74a82a JU |
3778 | case DPLANE_OP_ADDR_INSTALL: |
3779 | case DPLANE_OP_ADDR_UNINSTALL: | |
3780 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3781 | atomic_fetch_add_explicit( | |
3782 | &zdplane_info.dg_intf_addr_errors, 1, | |
3783 | memory_order_relaxed); | |
3784 | break; | |
3785 | ||
3786 | case DPLANE_OP_MAC_INSTALL: | |
3787 | case DPLANE_OP_MAC_DELETE: | |
3788 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3789 | atomic_fetch_add_explicit(&zdplane_info.dg_mac_errors, | |
3790 | 1, memory_order_relaxed); | |
3791 | break; | |
3792 | ||
3793 | case DPLANE_OP_NEIGH_INSTALL: | |
3794 | case DPLANE_OP_NEIGH_UPDATE: | |
3795 | case DPLANE_OP_NEIGH_DELETE: | |
3796 | case DPLANE_OP_VTEP_ADD: | |
3797 | case DPLANE_OP_VTEP_DELETE: | |
3798 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3799 | atomic_fetch_add_explicit(&zdplane_info.dg_neigh_errors, | |
3800 | 1, memory_order_relaxed); | |
3801 | break; | |
3802 | ||
3803 | case DPLANE_OP_RULE_ADD: | |
3804 | case DPLANE_OP_RULE_DELETE: | |
3805 | case DPLANE_OP_RULE_UPDATE: | |
3806 | if (res != ZEBRA_DPLANE_REQUEST_SUCCESS) | |
3807 | atomic_fetch_add_explicit(&zdplane_info.dg_rule_errors, | |
3808 | 1, memory_order_relaxed); | |
3809 | break; | |
3810 | ||
3811 | /* Ignore 'notifications' - no-op */ | |
3812 | case DPLANE_OP_SYS_ROUTE_ADD: | |
3813 | case DPLANE_OP_SYS_ROUTE_DELETE: | |
3814 | case DPLANE_OP_ROUTE_NOTIFY: | |
3815 | case DPLANE_OP_LSP_NOTIFY: | |
3816 | case DPLANE_OP_NONE: | |
3817 | break; | |
3818 | } | |
3819 | ||
3820 | dplane_ctx_set_status(ctx, res); | |
f62e5480 JU |
3821 | } |
3822 | ||
c831033f MS |
3823 | /* |
3824 | * Kernel provider callback | |
3825 | */ | |
3826 | static int kernel_dplane_process_func(struct zebra_dplane_provider *prov) | |
7cdb1a84 | 3827 | { |
c831033f | 3828 | enum zebra_dplane_result res; |
2f74a82a JU |
3829 | struct zebra_dplane_ctx *ctx, *tctx; |
3830 | struct dplane_ctx_q work_list; | |
c831033f | 3831 | int counter, limit; |
7cdb1a84 | 3832 | |
2f74a82a JU |
3833 | TAILQ_INIT(&work_list); |
3834 | ||
c831033f | 3835 | limit = dplane_provider_get_work_limit(prov); |
7cdb1a84 | 3836 | |
c831033f MS |
3837 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
3838 | zlog_debug("dplane provider '%s': processing", | |
3839 | dplane_provider_get_name(prov)); | |
7cdb1a84 | 3840 | |
c831033f | 3841 | for (counter = 0; counter < limit; counter++) { |
91f16812 | 3842 | |
c831033f MS |
3843 | ctx = dplane_provider_dequeue_in_ctx(prov); |
3844 | if (ctx == NULL) | |
3845 | break; | |
d8c16a95 | 3846 | |
9677961e MS |
3847 | /* A previous provider plugin may have asked to skip the |
3848 | * kernel update. | |
3849 | */ | |
3850 | if (dplane_ctx_is_skip_kernel(ctx)) { | |
3851 | res = ZEBRA_DPLANE_REQUEST_SUCCESS; | |
3852 | goto skip_one; | |
3853 | } | |
3854 | ||
16c628de MS |
3855 | /* Dispatch to appropriate kernel-facing apis */ |
3856 | switch (dplane_ctx_get_op(ctx)) { | |
1d11b21f | 3857 | |
16c628de MS |
3858 | case DPLANE_OP_ROUTE_INSTALL: |
3859 | case DPLANE_OP_ROUTE_UPDATE: | |
3860 | case DPLANE_OP_ROUTE_DELETE: | |
3861 | res = kernel_dplane_route_update(ctx); | |
3862 | break; | |
d8c16a95 | 3863 | |
f820d025 SW |
3864 | case DPLANE_OP_NH_INSTALL: |
3865 | case DPLANE_OP_NH_UPDATE: | |
3866 | case DPLANE_OP_NH_DELETE: | |
3867 | res = kernel_dplane_nexthop_update(ctx); | |
3868 | break; | |
3869 | ||
16c628de MS |
3870 | case DPLANE_OP_LSP_INSTALL: |
3871 | case DPLANE_OP_LSP_UPDATE: | |
3872 | case DPLANE_OP_LSP_DELETE: | |
3873 | res = kernel_dplane_lsp_update(ctx); | |
3874 | break; | |
d8c16a95 | 3875 | |
c10a646d MS |
3876 | case DPLANE_OP_PW_INSTALL: |
3877 | case DPLANE_OP_PW_UNINSTALL: | |
3878 | res = kernel_dplane_pw_update(ctx); | |
3879 | break; | |
3880 | ||
64168803 MS |
3881 | case DPLANE_OP_ADDR_INSTALL: |
3882 | case DPLANE_OP_ADDR_UNINSTALL: | |
3883 | res = kernel_dplane_address_update(ctx); | |
3884 | break; | |
3885 | ||
036d93c0 MS |
3886 | case DPLANE_OP_MAC_INSTALL: |
3887 | case DPLANE_OP_MAC_DELETE: | |
3888 | res = kernel_dplane_mac_update(ctx); | |
3889 | break; | |
3890 | ||
931fa60c MS |
3891 | case DPLANE_OP_NEIGH_INSTALL: |
3892 | case DPLANE_OP_NEIGH_UPDATE: | |
3893 | case DPLANE_OP_NEIGH_DELETE: | |
0bbd4ff4 MS |
3894 | case DPLANE_OP_VTEP_ADD: |
3895 | case DPLANE_OP_VTEP_DELETE: | |
931fa60c MS |
3896 | res = kernel_dplane_neigh_update(ctx); |
3897 | break; | |
3898 | ||
f62e5480 JU |
3899 | case DPLANE_OP_RULE_ADD: |
3900 | case DPLANE_OP_RULE_DELETE: | |
3901 | case DPLANE_OP_RULE_UPDATE: | |
3902 | res = kernel_dplane_rule_update(ctx); | |
3903 | break; | |
3904 | ||
104e3ad9 | 3905 | /* Ignore 'notifications' - no-op */ |
cf363e1b MS |
3906 | case DPLANE_OP_SYS_ROUTE_ADD: |
3907 | case DPLANE_OP_SYS_ROUTE_DELETE: | |
54818e3b | 3908 | case DPLANE_OP_ROUTE_NOTIFY: |
104e3ad9 | 3909 | case DPLANE_OP_LSP_NOTIFY: |
cf363e1b MS |
3910 | res = ZEBRA_DPLANE_REQUEST_SUCCESS; |
3911 | break; | |
3912 | ||
16c628de | 3913 | default: |
c831033f | 3914 | atomic_fetch_add_explicit( |
16c628de | 3915 | &zdplane_info.dg_other_errors, 1, |
c831033f | 3916 | memory_order_relaxed); |
d8c16a95 | 3917 | |
16c628de MS |
3918 | res = ZEBRA_DPLANE_REQUEST_FAILURE; |
3919 | break; | |
3920 | } | |
3921 | ||
2f74a82a JU |
3922 | skip_one: |
3923 | /* If the request isn't pending, we can handle the result right | |
3924 | * away. | |
3925 | */ | |
3926 | if (res != ZEBRA_DPLANE_REQUEST_PENDING) | |
3927 | kernel_dplane_handle_result(ctx, res); | |
3928 | ||
3929 | TAILQ_INSERT_TAIL(&work_list, ctx, zd_q_entries); | |
3930 | } | |
c831033f | 3931 | |
2f74a82a JU |
3932 | TAILQ_FOREACH_SAFE (ctx, &work_list, zd_q_entries, tctx) { |
3933 | TAILQ_REMOVE(&work_list, ctx, zd_q_entries); | |
c831033f MS |
3934 | dplane_provider_enqueue_out_ctx(prov, ctx); |
3935 | } | |
3936 | ||
3937 | /* Ensure that we'll run the work loop again if there's still | |
3938 | * more work to do. | |
3939 | */ | |
3940 | if (counter >= limit) { | |
3941 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) | |
3942 | zlog_debug("dplane provider '%s' reached max updates %d", | |
3943 | dplane_provider_get_name(prov), counter); | |
3944 | ||
3945 | atomic_fetch_add_explicit(&zdplane_info.dg_update_yields, | |
3946 | 1, memory_order_relaxed); | |
3947 | ||
3948 | dplane_provider_work_ready(); | |
3949 | } | |
3950 | ||
3951 | return 0; | |
3952 | } | |
3953 | ||
1e20238a | 3954 | #ifdef DPLANE_TEST_PROVIDER |
e5a60d82 | 3955 | |
c831033f MS |
3956 | /* |
3957 | * Test dataplane provider plugin | |
3958 | */ | |
3959 | ||
3960 | /* | |
3961 | * Test provider process callback | |
3962 | */ | |
3963 | static int test_dplane_process_func(struct zebra_dplane_provider *prov) | |
3964 | { | |
3965 | struct zebra_dplane_ctx *ctx; | |
3966 | int counter, limit; | |
3967 | ||
3968 | /* Just moving from 'in' queue to 'out' queue */ | |
3969 | ||
3970 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) | |
3971 | zlog_debug("dplane provider '%s': processing", | |
3972 | dplane_provider_get_name(prov)); | |
3973 | ||
3974 | limit = dplane_provider_get_work_limit(prov); | |
3975 | ||
3976 | for (counter = 0; counter < limit; counter++) { | |
3977 | ||
3978 | ctx = dplane_provider_dequeue_in_ctx(prov); | |
3979 | if (ctx == NULL) | |
3980 | break; | |
3981 | ||
cf363e1b MS |
3982 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
3983 | zlog_debug("dplane provider '%s': op %s", | |
3984 | dplane_provider_get_name(prov), | |
3985 | dplane_op2str(dplane_ctx_get_op(ctx))); | |
3986 | ||
c831033f MS |
3987 | dplane_ctx_set_status(ctx, ZEBRA_DPLANE_REQUEST_SUCCESS); |
3988 | ||
3989 | dplane_provider_enqueue_out_ctx(prov, ctx); | |
3990 | } | |
3991 | ||
c9d17fe8 MS |
3992 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
3993 | zlog_debug("dplane provider '%s': processed %d", | |
3994 | dplane_provider_get_name(prov), counter); | |
3995 | ||
c831033f MS |
3996 | /* Ensure that we'll run the work loop again if there's still |
3997 | * more work to do. | |
3998 | */ | |
3999 | if (counter >= limit) | |
4000 | dplane_provider_work_ready(); | |
4001 | ||
4002 | return 0; | |
4003 | } | |
4004 | ||
4005 | /* | |
4006 | * Test provider shutdown/fini callback | |
4007 | */ | |
4008 | static int test_dplane_shutdown_func(struct zebra_dplane_provider *prov, | |
4009 | bool early) | |
4010 | { | |
4011 | if (IS_ZEBRA_DEBUG_DPLANE) | |
4012 | zlog_debug("dplane provider '%s': %sshutdown", | |
4013 | dplane_provider_get_name(prov), | |
4014 | early ? "early " : ""); | |
4015 | ||
4016 | return 0; | |
4017 | } | |
e5a60d82 | 4018 | #endif /* DPLANE_TEST_PROVIDER */ |
c831033f MS |
4019 | |
4020 | /* | |
4021 | * Register default kernel provider | |
4022 | */ | |
4023 | static void dplane_provider_init(void) | |
4024 | { | |
4025 | int ret; | |
4026 | ||
4027 | ret = dplane_provider_register("Kernel", | |
4028 | DPLANE_PRIO_KERNEL, | |
1dd4ea8a | 4029 | DPLANE_PROV_FLAGS_DEFAULT, NULL, |
c831033f MS |
4030 | kernel_dplane_process_func, |
4031 | NULL, | |
1ff8a248 | 4032 | NULL, NULL); |
c831033f MS |
4033 | |
4034 | if (ret != AOK) | |
4035 | zlog_err("Unable to register kernel dplane provider: %d", | |
4036 | ret); | |
4037 | ||
1e20238a | 4038 | #ifdef DPLANE_TEST_PROVIDER |
e5a60d82 | 4039 | /* Optional test provider ... */ |
c831033f MS |
4040 | ret = dplane_provider_register("Test", |
4041 | DPLANE_PRIO_PRE_KERNEL, | |
1dd4ea8a | 4042 | DPLANE_PROV_FLAGS_DEFAULT, NULL, |
c831033f MS |
4043 | test_dplane_process_func, |
4044 | test_dplane_shutdown_func, | |
1ff8a248 | 4045 | NULL /* data */, NULL); |
c831033f MS |
4046 | |
4047 | if (ret != AOK) | |
4048 | zlog_err("Unable to register test dplane provider: %d", | |
4049 | ret); | |
e5a60d82 | 4050 | #endif /* DPLANE_TEST_PROVIDER */ |
7cdb1a84 MS |
4051 | } |
4052 | ||
4dfd7a02 MS |
4053 | /* Indicates zebra shutdown/exit is in progress. Some operations may be |
4054 | * simplified or skipped during shutdown processing. | |
4055 | */ | |
4056 | bool dplane_is_in_shutdown(void) | |
4057 | { | |
25779064 | 4058 | return zdplane_info.dg_is_shutdown; |
4dfd7a02 MS |
4059 | } |
4060 | ||
4061 | /* | |
4062 | * Early or pre-shutdown, de-init notification api. This runs pretty | |
4063 | * early during zebra shutdown, as a signal to stop new work and prepare | |
4064 | * for updates generated by shutdown/cleanup activity, as zebra tries to | |
4065 | * remove everything it's responsible for. | |
c9d17fe8 | 4066 | * NB: This runs in the main zebra pthread context. |
4dfd7a02 MS |
4067 | */ |
4068 | void zebra_dplane_pre_finish(void) | |
4069 | { | |
3c0e1622 | 4070 | struct zebra_dplane_provider *prov; |
6ba8db21 | 4071 | |
4dfd7a02 | 4072 | if (IS_ZEBRA_DEBUG_DPLANE) |
3c0e1622 | 4073 | zlog_debug("Zebra dataplane pre-finish called"); |
4dfd7a02 | 4074 | |
25779064 | 4075 | zdplane_info.dg_is_shutdown = true; |
4dfd7a02 | 4076 | |
6ba8db21 | 4077 | /* Notify provider(s) of pending shutdown. */ |
3c0e1622 MS |
4078 | TAILQ_FOREACH(prov, &zdplane_info.dg_providers_q, dp_prov_link) { |
4079 | if (prov->dp_fini == NULL) | |
6ba8db21 RZ |
4080 | continue; |
4081 | ||
3c0e1622 | 4082 | prov->dp_fini(prov, true /* early */); |
6ba8db21 | 4083 | } |
4dfd7a02 MS |
4084 | } |
4085 | ||
4086 | /* | |
4087 | * Utility to determine whether work remains enqueued within the dplane; | |
4088 | * used during system shutdown processing. | |
4089 | */ | |
4090 | static bool dplane_work_pending(void) | |
4091 | { | |
c9d17fe8 | 4092 | bool ret = false; |
25779064 | 4093 | struct zebra_dplane_ctx *ctx; |
c9d17fe8 | 4094 | struct zebra_dplane_provider *prov; |
4dfd7a02 | 4095 | |
c831033f MS |
4096 | /* TODO -- just checking incoming/pending work for now, must check |
4097 | * providers | |
4098 | */ | |
4dfd7a02 MS |
4099 | DPLANE_LOCK(); |
4100 | { | |
3fe4ccc4 | 4101 | ctx = TAILQ_FIRST(&zdplane_info.dg_update_ctx_q); |
c9d17fe8 | 4102 | prov = TAILQ_FIRST(&zdplane_info.dg_providers_q); |
4dfd7a02 MS |
4103 | } |
4104 | DPLANE_UNLOCK(); | |
4105 | ||
c9d17fe8 MS |
4106 | if (ctx != NULL) { |
4107 | ret = true; | |
4108 | goto done; | |
4109 | } | |
4110 | ||
4111 | while (prov) { | |
4112 | ||
ad6aad4d | 4113 | dplane_provider_lock(prov); |
c9d17fe8 MS |
4114 | |
4115 | ctx = TAILQ_FIRST(&(prov->dp_ctx_in_q)); | |
4116 | if (ctx == NULL) | |
4117 | ctx = TAILQ_FIRST(&(prov->dp_ctx_out_q)); | |
4118 | ||
ad6aad4d | 4119 | dplane_provider_unlock(prov); |
c9d17fe8 MS |
4120 | |
4121 | if (ctx != NULL) | |
4122 | break; | |
4123 | ||
4124 | DPLANE_LOCK(); | |
4125 | prov = TAILQ_NEXT(prov, dp_prov_link); | |
4126 | DPLANE_UNLOCK(); | |
4127 | } | |
4128 | ||
4129 | if (ctx != NULL) | |
4130 | ret = true; | |
4131 | ||
4132 | done: | |
4133 | return ret; | |
4dfd7a02 MS |
4134 | } |
4135 | ||
4136 | /* | |
4137 | * Shutdown-time intermediate callback, used to determine when all pending | |
4138 | * in-flight updates are done. If there's still work to do, reschedules itself. | |
4139 | * If all work is done, schedules an event to the main zebra thread for | |
4140 | * final zebra shutdown. | |
4141 | * This runs in the dplane pthread context. | |
4142 | */ | |
4143 | static int dplane_check_shutdown_status(struct thread *event) | |
4144 | { | |
4145 | if (IS_ZEBRA_DEBUG_DPLANE) | |
4146 | zlog_debug("Zebra dataplane shutdown status check called"); | |
4147 | ||
4148 | if (dplane_work_pending()) { | |
4149 | /* Reschedule dplane check on a short timer */ | |
25779064 | 4150 | thread_add_timer_msec(zdplane_info.dg_master, |
4dfd7a02 MS |
4151 | dplane_check_shutdown_status, |
4152 | NULL, 100, | |
25779064 | 4153 | &zdplane_info.dg_t_shutdown_check); |
4dfd7a02 MS |
4154 | |
4155 | /* TODO - give up and stop waiting after a short time? */ | |
4156 | ||
4157 | } else { | |
4158 | /* We appear to be done - schedule a final callback event | |
4159 | * for the zebra main pthread. | |
4160 | */ | |
3801e764 | 4161 | thread_add_event(zrouter.master, zebra_finalize, NULL, 0, NULL); |
4dfd7a02 MS |
4162 | } |
4163 | ||
4164 | return 0; | |
4165 | } | |
4166 | ||
18c37974 | 4167 | /* |
1d11b21f | 4168 | * Shutdown, de-init api. This runs pretty late during shutdown, |
4dfd7a02 MS |
4169 | * after zebra has tried to free/remove/uninstall all routes during shutdown. |
4170 | * At this point, dplane work may still remain to be done, so we can't just | |
4171 | * blindly terminate. If there's still work to do, we'll periodically check | |
4172 | * and when done, we'll enqueue a task to the zebra main thread for final | |
4173 | * termination processing. | |
4174 | * | |
1d11b21f | 4175 | * NB: This runs in the main zebra thread context. |
18c37974 | 4176 | */ |
1d11b21f | 4177 | void zebra_dplane_finish(void) |
18c37974 | 4178 | { |
4dfd7a02 MS |
4179 | if (IS_ZEBRA_DEBUG_DPLANE) |
4180 | zlog_debug("Zebra dataplane fini called"); | |
4181 | ||
25779064 | 4182 | thread_add_event(zdplane_info.dg_master, |
4dfd7a02 | 4183 | dplane_check_shutdown_status, NULL, 0, |
25779064 | 4184 | &zdplane_info.dg_t_shutdown_check); |
4dfd7a02 MS |
4185 | } |
4186 | ||
c831033f MS |
4187 | /* |
4188 | * Main dataplane pthread event loop. The thread takes new incoming work | |
4189 | * and offers it to the first provider. It then iterates through the | |
4190 | * providers, taking complete work from each one and offering it | |
4191 | * to the next in order. At each step, a limited number of updates are | |
4192 | * processed during a cycle in order to provide some fairness. | |
14b0bc8e MS |
4193 | * |
4194 | * This loop through the providers is only run once, so that the dataplane | |
4195 | * pthread can look for other pending work - such as i/o work on behalf of | |
4196 | * providers. | |
c831033f MS |
4197 | */ |
4198 | static int dplane_thread_loop(struct thread *event) | |
4199 | { | |
4200 | struct dplane_ctx_q work_list; | |
4201 | struct dplane_ctx_q error_list; | |
4202 | struct zebra_dplane_provider *prov; | |
4203 | struct zebra_dplane_ctx *ctx, *tctx; | |
4204 | int limit, counter, error_counter; | |
c9d17fe8 | 4205 | uint64_t curr, high; |
c831033f MS |
4206 | |
4207 | /* Capture work limit per cycle */ | |
4208 | limit = zdplane_info.dg_updates_per_cycle; | |
4209 | ||
14b0bc8e | 4210 | /* Init temporary lists used to move contexts among providers */ |
c831033f | 4211 | TAILQ_INIT(&work_list); |
14b0bc8e MS |
4212 | TAILQ_INIT(&error_list); |
4213 | error_counter = 0; | |
c831033f MS |
4214 | |
4215 | /* Check for zebra shutdown */ | |
4216 | if (!zdplane_info.dg_run) | |
4217 | goto done; | |
4218 | ||
4219 | /* Dequeue some incoming work from zebra (if any) onto the temporary | |
4220 | * working list. | |
4221 | */ | |
4222 | DPLANE_LOCK(); | |
4223 | ||
4224 | /* Locate initial registered provider */ | |
4225 | prov = TAILQ_FIRST(&zdplane_info.dg_providers_q); | |
4226 | ||
14b0bc8e | 4227 | /* Move new work from incoming list to temp list */ |
c831033f | 4228 | for (counter = 0; counter < limit; counter++) { |
3fe4ccc4 | 4229 | ctx = TAILQ_FIRST(&zdplane_info.dg_update_ctx_q); |
c831033f | 4230 | if (ctx) { |
3fe4ccc4 | 4231 | TAILQ_REMOVE(&zdplane_info.dg_update_ctx_q, ctx, |
c831033f MS |
4232 | zd_q_entries); |
4233 | ||
c831033f MS |
4234 | ctx->zd_provider = prov->dp_id; |
4235 | ||
4236 | TAILQ_INSERT_TAIL(&work_list, ctx, zd_q_entries); | |
4237 | } else { | |
4238 | break; | |
4239 | } | |
4240 | } | |
4241 | ||
4242 | DPLANE_UNLOCK(); | |
4243 | ||
14b0bc8e MS |
4244 | atomic_fetch_sub_explicit(&zdplane_info.dg_routes_queued, counter, |
4245 | memory_order_relaxed); | |
4246 | ||
c831033f MS |
4247 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
4248 | zlog_debug("dplane: incoming new work counter: %d", counter); | |
4249 | ||
4250 | /* Iterate through the registered providers, offering new incoming | |
4251 | * work. If the provider has outgoing work in its queue, take that | |
4252 | * work for the next provider | |
4253 | */ | |
4254 | while (prov) { | |
4255 | ||
14b0bc8e MS |
4256 | /* At each iteration, the temporary work list has 'counter' |
4257 | * items. | |
4258 | */ | |
c831033f MS |
4259 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
4260 | zlog_debug("dplane enqueues %d new work to provider '%s'", | |
4261 | counter, dplane_provider_get_name(prov)); | |
4262 | ||
4263 | /* Capture current provider id in each context; check for | |
4264 | * error status. | |
4265 | */ | |
4266 | TAILQ_FOREACH_SAFE(ctx, &work_list, zd_q_entries, tctx) { | |
4267 | if (dplane_ctx_get_status(ctx) == | |
4268 | ZEBRA_DPLANE_REQUEST_SUCCESS) { | |
4269 | ctx->zd_provider = prov->dp_id; | |
4270 | } else { | |
4271 | /* | |
4272 | * TODO -- improve error-handling: recirc | |
4273 | * errors backwards so that providers can | |
4274 | * 'undo' their work (if they want to) | |
4275 | */ | |
4276 | ||
4277 | /* Move to error list; will be returned | |
4278 | * zebra main. | |
4279 | */ | |
4280 | TAILQ_REMOVE(&work_list, ctx, zd_q_entries); | |
4281 | TAILQ_INSERT_TAIL(&error_list, | |
4282 | ctx, zd_q_entries); | |
4283 | error_counter++; | |
4284 | } | |
4285 | } | |
4286 | ||
4287 | /* Enqueue new work to the provider */ | |
ad6aad4d | 4288 | dplane_provider_lock(prov); |
c831033f MS |
4289 | |
4290 | if (TAILQ_FIRST(&work_list)) | |
4291 | TAILQ_CONCAT(&(prov->dp_ctx_in_q), &work_list, | |
4292 | zd_q_entries); | |
4293 | ||
c9d17fe8 MS |
4294 | atomic_fetch_add_explicit(&prov->dp_in_counter, counter, |
4295 | memory_order_relaxed); | |
4296 | atomic_fetch_add_explicit(&prov->dp_in_queued, counter, | |
4297 | memory_order_relaxed); | |
4298 | curr = atomic_load_explicit(&prov->dp_in_queued, | |
4299 | memory_order_relaxed); | |
4300 | high = atomic_load_explicit(&prov->dp_in_max, | |
4301 | memory_order_relaxed); | |
4302 | if (curr > high) | |
4303 | atomic_store_explicit(&prov->dp_in_max, curr, | |
c831033f MS |
4304 | memory_order_relaxed); |
4305 | ||
ad6aad4d | 4306 | dplane_provider_unlock(prov); |
c831033f | 4307 | |
14b0bc8e MS |
4308 | /* Reset the temp list (though the 'concat' may have done this |
4309 | * already), and the counter | |
4310 | */ | |
c831033f MS |
4311 | TAILQ_INIT(&work_list); |
4312 | counter = 0; | |
4313 | ||
14b0bc8e MS |
4314 | /* Call into the provider code. Note that this is |
4315 | * unconditional: we offer to do work even if we don't enqueue | |
4316 | * any _new_ work. | |
4317 | */ | |
c831033f MS |
4318 | (*prov->dp_fp)(prov); |
4319 | ||
4320 | /* Check for zebra shutdown */ | |
4321 | if (!zdplane_info.dg_run) | |
4322 | break; | |
4323 | ||
4324 | /* Dequeue completed work from the provider */ | |
ad6aad4d | 4325 | dplane_provider_lock(prov); |
c831033f MS |
4326 | |
4327 | while (counter < limit) { | |
4328 | ctx = TAILQ_FIRST(&(prov->dp_ctx_out_q)); | |
4329 | if (ctx) { | |
4330 | TAILQ_REMOVE(&(prov->dp_ctx_out_q), ctx, | |
4331 | zd_q_entries); | |
4332 | ||
4333 | TAILQ_INSERT_TAIL(&work_list, | |
4334 | ctx, zd_q_entries); | |
4335 | counter++; | |
4336 | } else | |
4337 | break; | |
4338 | } | |
4339 | ||
ad6aad4d | 4340 | dplane_provider_unlock(prov); |
c831033f MS |
4341 | |
4342 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) | |
4343 | zlog_debug("dplane dequeues %d completed work from provider %s", | |
4344 | counter, dplane_provider_get_name(prov)); | |
4345 | ||
4346 | /* Locate next provider */ | |
4347 | DPLANE_LOCK(); | |
4348 | prov = TAILQ_NEXT(prov, dp_prov_link); | |
4349 | DPLANE_UNLOCK(); | |
c831033f MS |
4350 | } |
4351 | ||
4352 | /* After all providers have been serviced, enqueue any completed | |
14b0bc8e | 4353 | * work and any errors back to zebra so it can process the results. |
c831033f | 4354 | */ |
c831033f | 4355 | if (IS_ZEBRA_DEBUG_DPLANE_DETAIL) |
14b0bc8e MS |
4356 | zlog_debug("dplane has %d completed, %d errors, for zebra main", |
4357 | counter, error_counter); | |
c831033f MS |
4358 | |
4359 | /* | |
4c206c8f | 4360 | * Hand lists through the api to zebra main, |
c831033f MS |
4361 | * to reduce the number of lock/unlock cycles |
4362 | */ | |
14b0bc8e | 4363 | |
4c206c8f MS |
4364 | /* Call through to zebra main */ |
4365 | (zdplane_info.dg_results_cb)(&error_list); | |
14b0bc8e | 4366 | |
4c206c8f | 4367 | TAILQ_INIT(&error_list); |
14b0bc8e | 4368 | |
4c206c8f MS |
4369 | /* Call through to zebra main */ |
4370 | (zdplane_info.dg_results_cb)(&work_list); | |
c831033f | 4371 | |
4c206c8f | 4372 | TAILQ_INIT(&work_list); |
c831033f MS |
4373 | |
4374 | done: | |
4375 | return 0; | |
4376 | } | |
4377 | ||
4dfd7a02 MS |
4378 | /* |
4379 | * Final phase of shutdown, after all work enqueued to dplane has been | |
4380 | * processed. This is called from the zebra main pthread context. | |
4381 | */ | |
4382 | void zebra_dplane_shutdown(void) | |
4383 | { | |
6ba8db21 RZ |
4384 | struct zebra_dplane_provider *dp; |
4385 | ||
4dfd7a02 MS |
4386 | if (IS_ZEBRA_DEBUG_DPLANE) |
4387 | zlog_debug("Zebra dataplane shutdown called"); | |
1d11b21f MS |
4388 | |
4389 | /* Stop dplane thread, if it's running */ | |
4390 | ||
25779064 | 4391 | zdplane_info.dg_run = false; |
1d11b21f | 4392 | |
9344d3fc SW |
4393 | if (zdplane_info.dg_t_update) |
4394 | thread_cancel_async(zdplane_info.dg_t_update->master, | |
4395 | &zdplane_info.dg_t_update, NULL); | |
1d11b21f | 4396 | |
d8c16a95 MS |
4397 | frr_pthread_stop(zdplane_info.dg_pthread, NULL); |
4398 | ||
4399 | /* Destroy pthread */ | |
4400 | frr_pthread_destroy(zdplane_info.dg_pthread); | |
4401 | zdplane_info.dg_pthread = NULL; | |
4402 | zdplane_info.dg_master = NULL; | |
4dfd7a02 | 4403 | |
3c0e1622 MS |
4404 | /* Notify provider(s) of final shutdown. |
4405 | * Note that this call is in the main pthread, so providers must | |
4406 | * be prepared for that. | |
4407 | */ | |
6ba8db21 RZ |
4408 | TAILQ_FOREACH(dp, &zdplane_info.dg_providers_q, dp_prov_link) { |
4409 | if (dp->dp_fini == NULL) | |
4410 | continue; | |
4411 | ||
4412 | dp->dp_fini(dp, false); | |
4413 | } | |
c831033f MS |
4414 | |
4415 | /* TODO -- Clean-up provider objects */ | |
4416 | ||
4417 | /* TODO -- Clean queue(s), free memory */ | |
4418 | } | |
4419 | ||
4420 | /* | |
4421 | * Initialize the dataplane module during startup, internal/private version | |
4422 | */ | |
2561d12e | 4423 | static void zebra_dplane_init_internal(void) |
c831033f MS |
4424 | { |
4425 | memset(&zdplane_info, 0, sizeof(zdplane_info)); | |
4426 | ||
4427 | pthread_mutex_init(&zdplane_info.dg_mutex, NULL); | |
1d11b21f | 4428 | |
3fe4ccc4 | 4429 | TAILQ_INIT(&zdplane_info.dg_update_ctx_q); |
c831033f | 4430 | TAILQ_INIT(&zdplane_info.dg_providers_q); |
1d11b21f | 4431 | |
c831033f MS |
4432 | zdplane_info.dg_updates_per_cycle = DPLANE_DEFAULT_NEW_WORK; |
4433 | ||
4434 | zdplane_info.dg_max_queued_updates = DPLANE_DEFAULT_MAX_QUEUED; | |
4435 | ||
4436 | /* Register default kernel 'provider' during init */ | |
4437 | dplane_provider_init(); | |
e5a60d82 | 4438 | } |
c831033f | 4439 | |
e5a60d82 MS |
4440 | /* |
4441 | * Start the dataplane pthread. This step needs to be run later than the | |
4442 | * 'init' step, in case zebra has fork-ed. | |
4443 | */ | |
4444 | void zebra_dplane_start(void) | |
4445 | { | |
1dd4ea8a | 4446 | struct zebra_dplane_provider *prov; |
c831033f MS |
4447 | struct frr_pthread_attr pattr = { |
4448 | .start = frr_pthread_attr_default.start, | |
4449 | .stop = frr_pthread_attr_default.stop | |
4450 | }; | |
4451 | ||
1dd4ea8a MS |
4452 | /* Start dataplane pthread */ |
4453 | ||
c831033f | 4454 | zdplane_info.dg_pthread = frr_pthread_new(&pattr, "Zebra dplane thread", |
0eca319c | 4455 | "zebra_dplane"); |
c831033f MS |
4456 | |
4457 | zdplane_info.dg_master = zdplane_info.dg_pthread->master; | |
4458 | ||
e5a60d82 MS |
4459 | zdplane_info.dg_run = true; |
4460 | ||
c831033f MS |
4461 | /* Enqueue an initial event for the dataplane pthread */ |
4462 | thread_add_event(zdplane_info.dg_master, dplane_thread_loop, NULL, 0, | |
4463 | &zdplane_info.dg_t_update); | |
4464 | ||
1dd4ea8a MS |
4465 | /* Call start callbacks for registered providers */ |
4466 | ||
4467 | DPLANE_LOCK(); | |
4468 | prov = TAILQ_FIRST(&zdplane_info.dg_providers_q); | |
4469 | DPLANE_UNLOCK(); | |
4470 | ||
4471 | while (prov) { | |
4472 | ||
4473 | if (prov->dp_start) | |
4474 | (prov->dp_start)(prov); | |
4475 | ||
4476 | /* Locate next provider */ | |
4477 | DPLANE_LOCK(); | |
4478 | prov = TAILQ_NEXT(prov, dp_prov_link); | |
4479 | DPLANE_UNLOCK(); | |
4480 | } | |
4481 | ||
c831033f | 4482 | frr_pthread_run(zdplane_info.dg_pthread, NULL); |
18c37974 MS |
4483 | } |
4484 | ||
7cdb1a84 | 4485 | /* |
b8e0423d | 4486 | * Initialize the dataplane module at startup; called by zebra rib_init() |
7cdb1a84 | 4487 | */ |
4c206c8f | 4488 | void zebra_dplane_init(int (*results_fp)(struct dplane_ctx_q *)) |
7cdb1a84 | 4489 | { |
2561d12e | 4490 | zebra_dplane_init_internal(); |
4c206c8f | 4491 | zdplane_info.dg_results_cb = results_fp; |
7cdb1a84 | 4492 | } |