1
2
3
4#include <sys/types.h>
5#include <netinet/in.h>
6#include <netinet/ip.h>
7
8#include <rte_branch_prediction.h>
9#include <rte_log.h>
10#include <rte_crypto.h>
11#include <rte_security.h>
12#include <rte_cryptodev.h>
13#include <rte_ipsec.h>
14#include <rte_ethdev.h>
15#include <rte_mbuf.h>
16#include <rte_hash.h>
17
18#include "ipsec.h"
19#include "esp.h"
20
21static inline void
22set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
23{
24 if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
25 struct rte_security_ipsec_tunnel_param *tunnel =
26 &ipsec->tunnel;
27 if (IS_IP4_TUNNEL(sa->flags)) {
28 tunnel->type =
29 RTE_SECURITY_IPSEC_TUNNEL_IPV4;
30 tunnel->ipv4.ttl = IPDEFTTL;
31
32 memcpy((uint8_t *)&tunnel->ipv4.src_ip,
33 (uint8_t *)&sa->src.ip.ip4, 4);
34
35 memcpy((uint8_t *)&tunnel->ipv4.dst_ip,
36 (uint8_t *)&sa->dst.ip.ip4, 4);
37 } else if (IS_IP6_TUNNEL(sa->flags)) {
38 tunnel->type =
39 RTE_SECURITY_IPSEC_TUNNEL_IPV6;
40 tunnel->ipv6.hlimit = IPDEFTTL;
41 tunnel->ipv6.dscp = 0;
42 tunnel->ipv6.flabel = 0;
43
44 memcpy((uint8_t *)&tunnel->ipv6.src_addr,
45 (uint8_t *)&sa->src.ip.ip6.ip6_b, 16);
46
47 memcpy((uint8_t *)&tunnel->ipv6.dst_addr,
48 (uint8_t *)&sa->dst.ip.ip6.ip6_b, 16);
49 }
50
51 }
52 ipsec->replay_win_sz = app_sa_prm.window_size;
53 ipsec->options.esn = app_sa_prm.enable_esn;
54 ipsec->options.udp_encap = sa->udp_encap;
55}
56
57int
58create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa,
59 struct rte_ipsec_session *ips)
60{
61 struct rte_cryptodev_info cdev_info;
62 unsigned long cdev_id_qp = 0;
63 int32_t ret = 0;
64 struct cdev_key key = { 0 };
65
66 key.lcore_id = (uint8_t)rte_lcore_id();
67
68 key.cipher_algo = (uint8_t)sa->cipher_algo;
69 key.auth_algo = (uint8_t)sa->auth_algo;
70 key.aead_algo = (uint8_t)sa->aead_algo;
71
72 ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
73 (void **)&cdev_id_qp);
74 if (ret < 0) {
75 RTE_LOG(ERR, IPSEC,
76 "No cryptodev: core %u, cipher_algo %u, "
77 "auth_algo %u, aead_algo %u\n",
78 key.lcore_id,
79 key.cipher_algo,
80 key.auth_algo,
81 key.aead_algo);
82 return -1;
83 }
84
85 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
86 "%u qp %u\n", sa->spi,
87 ipsec_ctx->tbl[cdev_id_qp].id,
88 ipsec_ctx->tbl[cdev_id_qp].qp);
89
90 if (ips->type != RTE_SECURITY_ACTION_TYPE_NONE &&
91 ips->type != RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) {
92 struct rte_security_session_conf sess_conf = {
93 .action_type = ips->type,
94 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
95 {.ipsec = {
96 .spi = sa->spi,
97 .salt = sa->salt,
98 .options = { 0 },
99 .replay_win_sz = 0,
100 .direction = sa->direction,
101 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
102 .mode = (IS_TUNNEL(sa->flags)) ?
103 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
104 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
105 } },
106 .crypto_xform = sa->xforms,
107 .userdata = NULL,
108
109 };
110
111 if (ips->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
112 struct rte_security_ctx *ctx = (struct rte_security_ctx *)
113 rte_cryptodev_get_sec_ctx(
114 ipsec_ctx->tbl[cdev_id_qp].id);
115
116
117 set_ipsec_conf(sa, &(sess_conf.ipsec));
118
119 ips->security.ses = rte_security_session_create(ctx,
120 &sess_conf, ipsec_ctx->session_pool,
121 ipsec_ctx->session_priv_pool);
122 if (ips->security.ses == NULL) {
123 RTE_LOG(ERR, IPSEC,
124 "SEC Session init failed: err: %d\n", ret);
125 return -1;
126 }
127 } else {
128 RTE_LOG(ERR, IPSEC, "Inline not supported\n");
129 return -1;
130 }
131 } else {
132 if (ips->type == RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) {
133 struct rte_cryptodev_info info;
134 uint16_t cdev_id;
135
136 cdev_id = ipsec_ctx->tbl[cdev_id_qp].id;
137 rte_cryptodev_info_get(cdev_id, &info);
138 if (!(info.feature_flags &
139 RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO))
140 return -ENOTSUP;
141
142 ips->crypto.dev_id = cdev_id;
143 }
144 ips->crypto.ses = rte_cryptodev_sym_session_create(
145 ipsec_ctx->session_pool);
146 rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
147 ips->crypto.ses, sa->xforms,
148 ipsec_ctx->session_priv_pool);
149
150 rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
151 &cdev_info);
152 }
153
154 sa->cdev_id_qp = cdev_id_qp;
155
156 return 0;
157}
158
159int
160create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa,
161 struct rte_ipsec_session *ips)
162{
163 int32_t ret = 0;
164 struct rte_security_ctx *sec_ctx;
165 struct rte_security_session_conf sess_conf = {
166 .action_type = ips->type,
167 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
168 {.ipsec = {
169 .spi = sa->spi,
170 .salt = sa->salt,
171 .options = { 0 },
172 .replay_win_sz = 0,
173 .direction = sa->direction,
174 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP
175 } },
176 .crypto_xform = sa->xforms,
177 .userdata = NULL,
178 };
179
180 if (IS_TRANSPORT(sa->flags)) {
181 sess_conf.ipsec.mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT;
182 if (IS_IP4(sa->flags)) {
183 sess_conf.ipsec.tunnel.type =
184 RTE_SECURITY_IPSEC_TUNNEL_IPV4;
185
186 sess_conf.ipsec.tunnel.ipv4.src_ip.s_addr =
187 sa->src.ip.ip4;
188 sess_conf.ipsec.tunnel.ipv4.dst_ip.s_addr =
189 sa->dst.ip.ip4;
190 } else if (IS_IP6(sa->flags)) {
191 sess_conf.ipsec.tunnel.type =
192 RTE_SECURITY_IPSEC_TUNNEL_IPV6;
193
194 memcpy(sess_conf.ipsec.tunnel.ipv6.src_addr.s6_addr,
195 sa->src.ip.ip6.ip6_b, 16);
196 memcpy(sess_conf.ipsec.tunnel.ipv6.dst_addr.s6_addr,
197 sa->dst.ip.ip6.ip6_b, 16);
198 }
199 } else if (IS_TUNNEL(sa->flags)) {
200 sess_conf.ipsec.mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL;
201
202 if (IS_IP4(sa->flags)) {
203 sess_conf.ipsec.tunnel.type =
204 RTE_SECURITY_IPSEC_TUNNEL_IPV4;
205
206 sess_conf.ipsec.tunnel.ipv4.src_ip.s_addr =
207 sa->src.ip.ip4;
208 sess_conf.ipsec.tunnel.ipv4.dst_ip.s_addr =
209 sa->dst.ip.ip4;
210 } else if (IS_IP6(sa->flags)) {
211 sess_conf.ipsec.tunnel.type =
212 RTE_SECURITY_IPSEC_TUNNEL_IPV6;
213
214 memcpy(sess_conf.ipsec.tunnel.ipv6.src_addr.s6_addr,
215 sa->src.ip.ip6.ip6_b, 16);
216 memcpy(sess_conf.ipsec.tunnel.ipv6.dst_addr.s6_addr,
217 sa->dst.ip.ip6.ip6_b, 16);
218 } else {
219 RTE_LOG(ERR, IPSEC, "invalid tunnel type\n");
220 return -1;
221 }
222 }
223
224 if (sa->udp_encap) {
225 sess_conf.ipsec.options.udp_encap = 1;
226 sess_conf.ipsec.udp.sport = htons(sa->udp.sport);
227 sess_conf.ipsec.udp.dport = htons(sa->udp.dport);
228 }
229
230 if (sa->esn > 0) {
231 sess_conf.ipsec.options.esn = 1;
232 sess_conf.ipsec.esn.value = sa->esn;
233 }
234
235
236 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port %u\n",
237 sa->spi, sa->portid);
238
239 if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
240 struct rte_flow_error err;
241 const struct rte_security_capability *sec_cap;
242 int ret = 0;
243
244 sec_ctx = (struct rte_security_ctx *)
245 rte_eth_dev_get_sec_ctx(
246 sa->portid);
247 if (sec_ctx == NULL) {
248 RTE_LOG(ERR, IPSEC,
249 " rte_eth_dev_get_sec_ctx failed\n");
250 return -1;
251 }
252
253 ips->security.ses = rte_security_session_create(sec_ctx,
254 &sess_conf, skt_ctx->session_pool,
255 skt_ctx->session_priv_pool);
256 if (ips->security.ses == NULL) {
257 RTE_LOG(ERR, IPSEC,
258 "SEC Session init failed: err: %d\n", ret);
259 return -1;
260 }
261
262 sec_cap = rte_security_capabilities_get(sec_ctx);
263
264
265 while (sec_cap->action != RTE_SECURITY_ACTION_TYPE_NONE) {
266 if (sec_cap->action == ips->type &&
267 sec_cap->protocol ==
268 RTE_SECURITY_PROTOCOL_IPSEC &&
269 sec_cap->ipsec.mode ==
270 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
271 sec_cap->ipsec.direction == sa->direction)
272 break;
273 sec_cap++;
274 }
275
276 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
277 RTE_LOG(ERR, IPSEC,
278 "No suitable security capability found\n");
279 return -1;
280 }
281
282 ips->security.ol_flags = sec_cap->ol_flags;
283 ips->security.ctx = sec_ctx;
284 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
285
286 if (IS_IP6(sa->flags)) {
287 sa->pattern[1].mask = &rte_flow_item_ipv6_mask;
288 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6;
289 sa->pattern[1].spec = &sa->ipv6_spec;
290
291 memcpy(sa->ipv6_spec.hdr.dst_addr,
292 sa->dst.ip.ip6.ip6_b, 16);
293 memcpy(sa->ipv6_spec.hdr.src_addr,
294 sa->src.ip.ip6.ip6_b, 16);
295 } else if (IS_IP4(sa->flags)) {
296 sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
297 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
298 sa->pattern[1].spec = &sa->ipv4_spec;
299
300 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4;
301 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4;
302 }
303
304 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
305
306 if (sa->udp_encap) {
307
308 sa->udp_spec.hdr.dst_port =
309 rte_cpu_to_be_16(sa->udp.dport);
310 sa->udp_spec.hdr.src_port =
311 rte_cpu_to_be_16(sa->udp.sport);
312
313 sa->pattern[2].mask = &rte_flow_item_udp_mask;
314 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_UDP;
315 sa->pattern[2].spec = &sa->udp_spec;
316
317 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_ESP;
318 sa->pattern[3].spec = &sa->esp_spec;
319 sa->pattern[3].mask = &rte_flow_item_esp_mask;
320
321 sa->pattern[4].type = RTE_FLOW_ITEM_TYPE_END;
322 } else {
323 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
324 sa->pattern[2].spec = &sa->esp_spec;
325 sa->pattern[2].mask = &rte_flow_item_esp_mask;
326
327 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
328 }
329
330 sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
331 sa->action[0].conf = ips->security.ses;
332
333 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
334
335 sa->attr.egress = (sa->direction ==
336 RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
337 sa->attr.ingress = (sa->direction ==
338 RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
339 if (sa->attr.ingress) {
340 uint8_t rss_key[64];
341 struct rte_eth_rss_conf rss_conf = {
342 .rss_key = rss_key,
343 .rss_key_len = sizeof(rss_key),
344 };
345 struct rte_eth_dev_info dev_info;
346 uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
347 struct rte_flow_action_rss action_rss;
348 unsigned int i;
349 unsigned int j;
350
351
352 if (flow_info_tbl[sa->portid].rx_def_flow)
353 return 0;
354
355 ret = rte_eth_dev_info_get(sa->portid, &dev_info);
356 if (ret != 0) {
357 RTE_LOG(ERR, IPSEC,
358 "Error during getting device (port %u) info: %s\n",
359 sa->portid, strerror(-ret));
360 return ret;
361 }
362
363 sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
364
365 sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
366 sa->action[1].conf = &action_rss;
367 ret = rte_eth_dev_rss_hash_conf_get(sa->portid,
368 &rss_conf);
369 if (ret != 0) {
370 RTE_LOG(ERR, IPSEC,
371 "rte_eth_dev_rss_hash_conf_get:ret=%d\n",
372 ret);
373 return -1;
374 }
375 for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i)
376 queue[j++] = i;
377
378 action_rss = (struct rte_flow_action_rss){
379 .types = rss_conf.rss_hf,
380 .key_len = rss_conf.rss_key_len,
381 .queue_num = j,
382 .key = rss_key,
383 .queue = queue,
384 };
385 ret = rte_flow_validate(sa->portid, &sa->attr,
386 sa->pattern, sa->action,
387 &err);
388 if (!ret)
389 goto flow_create;
390
391 sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE;
392 sa->action[1].conf =
393 &(struct rte_flow_action_queue){
394 .index = 0,
395 };
396 ret = rte_flow_validate(sa->portid, &sa->attr,
397 sa->pattern, sa->action,
398 &err);
399
400 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
401 sa->action[1].conf = NULL;
402 ret = rte_flow_validate(sa->portid, &sa->attr,
403 sa->pattern, sa->action,
404 &err);
405 if (ret)
406 goto flow_create_failure;
407 } else if (sa->attr.egress &&
408 (ips->security.ol_flags &
409 RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) {
410 sa->action[1].type =
411 RTE_FLOW_ACTION_TYPE_PASSTHRU;
412 sa->action[2].type =
413 RTE_FLOW_ACTION_TYPE_END;
414 }
415flow_create:
416 sa->flow = rte_flow_create(sa->portid,
417 &sa->attr, sa->pattern, sa->action, &err);
418 if (sa->flow == NULL) {
419flow_create_failure:
420 RTE_LOG(ERR, IPSEC,
421 "Failed to create ipsec flow msg: %s\n",
422 err.message);
423 return -1;
424 }
425 } else if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
426 const struct rte_security_capability *sec_cap;
427
428 sec_ctx = (struct rte_security_ctx *)
429 rte_eth_dev_get_sec_ctx(sa->portid);
430
431 if (sec_ctx == NULL) {
432 RTE_LOG(ERR, IPSEC,
433 "Ethernet device doesn't have security features registered\n");
434 return -1;
435 }
436
437
438 set_ipsec_conf(sa, &(sess_conf.ipsec));
439
440
441
442
443
444
445
446
447
448
449
450
451 sess_conf.userdata = (void *) sa;
452
453 ips->security.ses = rte_security_session_create(sec_ctx,
454 &sess_conf, skt_ctx->session_pool,
455 skt_ctx->session_priv_pool);
456 if (ips->security.ses == NULL) {
457 RTE_LOG(ERR, IPSEC,
458 "SEC Session init failed: err: %d\n", ret);
459 return -1;
460 }
461
462 sec_cap = rte_security_capabilities_get(sec_ctx);
463 if (sec_cap == NULL) {
464 RTE_LOG(ERR, IPSEC,
465 "No capabilities registered\n");
466 return -1;
467 }
468
469
470 while (sec_cap->action !=
471 RTE_SECURITY_ACTION_TYPE_NONE) {
472 if (sec_cap->action == ips->type &&
473 sec_cap->protocol ==
474 RTE_SECURITY_PROTOCOL_IPSEC &&
475 sec_cap->ipsec.mode ==
476 sess_conf.ipsec.mode &&
477 sec_cap->ipsec.direction == sa->direction)
478 break;
479 sec_cap++;
480 }
481
482 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
483 RTE_LOG(ERR, IPSEC,
484 "No suitable security capability found\n");
485 return -1;
486 }
487
488 ips->security.ol_flags = sec_cap->ol_flags;
489 ips->security.ctx = sec_ctx;
490 }
491
492 return 0;
493}
494
495int
496create_ipsec_esp_flow(struct ipsec_sa *sa)
497{
498 int ret = 0;
499 struct rte_flow_error err;
500 if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
501 RTE_LOG(ERR, IPSEC,
502 "No Flow director rule for Egress traffic\n");
503 return -1;
504 }
505 if (sa->flags == TRANSPORT) {
506 RTE_LOG(ERR, IPSEC,
507 "No Flow director rule for transport mode\n");
508 return -1;
509 }
510 sa->action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE;
511 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
512 sa->action[0].conf = &(struct rte_flow_action_queue) {
513 .index = sa->fdir_qid,
514 };
515 sa->attr.egress = 0;
516 sa->attr.ingress = 1;
517 if (IS_IP6(sa->flags)) {
518 sa->pattern[1].mask = &rte_flow_item_ipv6_mask;
519 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6;
520 sa->pattern[1].spec = &sa->ipv6_spec;
521 memcpy(sa->ipv6_spec.hdr.dst_addr,
522 sa->dst.ip.ip6.ip6_b, sizeof(sa->dst.ip.ip6.ip6_b));
523 memcpy(sa->ipv6_spec.hdr.src_addr,
524 sa->src.ip.ip6.ip6_b, sizeof(sa->src.ip.ip6.ip6_b));
525 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
526 sa->pattern[2].spec = &sa->esp_spec;
527 sa->pattern[2].mask = &rte_flow_item_esp_mask;
528 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
529 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
530 } else if (IS_IP4(sa->flags)) {
531 sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
532 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
533 sa->pattern[1].spec = &sa->ipv4_spec;
534 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4;
535 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4;
536 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
537 sa->pattern[2].spec = &sa->esp_spec;
538 sa->pattern[2].mask = &rte_flow_item_esp_mask;
539 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
540 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
541 }
542 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
543
544 ret = rte_flow_validate(sa->portid, &sa->attr, sa->pattern, sa->action,
545 &err);
546 if (ret < 0) {
547 RTE_LOG(ERR, IPSEC, "Flow validation failed %s\n", err.message);
548 return ret;
549 }
550
551 sa->flow = rte_flow_create(sa->portid, &sa->attr, sa->pattern,
552 sa->action, &err);
553 if (!sa->flow) {
554 RTE_LOG(ERR, IPSEC, "Flow creation failed %s\n", err.message);
555 return -1;
556 }
557
558 return 0;
559}
560
561
562
563
564void
565enqueue_cop_burst(struct cdev_qp *cqp)
566{
567 uint32_t i, len, ret;
568
569 len = cqp->len;
570 ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len);
571 if (ret < len) {
572 RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
573 " enqueued %u crypto ops out of %u\n",
574 cqp->id, cqp->qp, ret, len);
575
576 for (i = ret; i < len; i++)
577 free_pkts(&cqp->buf[i]->sym->m_src, 1);
578 }
579 cqp->in_flight += ret;
580 cqp->len = 0;
581}
582
583static inline void
584enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
585{
586 cqp->buf[cqp->len++] = cop;
587
588 if (cqp->len == MAX_PKT_BURST)
589 enqueue_cop_burst(cqp);
590}
591
592static inline void
593ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
594 struct rte_mbuf *pkts[], void *sas[],
595 uint16_t nb_pkts)
596{
597 int32_t ret = 0, i;
598 struct ipsec_mbuf_metadata *priv;
599 struct rte_crypto_sym_op *sym_cop;
600 struct ipsec_sa *sa;
601 struct rte_ipsec_session *ips;
602
603 for (i = 0; i < nb_pkts; i++) {
604 if (unlikely(sas[i] == NULL)) {
605 free_pkts(&pkts[i], 1);
606 continue;
607 }
608
609 rte_prefetch0(sas[i]);
610 rte_prefetch0(pkts[i]);
611
612 priv = get_priv(pkts[i]);
613 sa = ipsec_mask_saptr(sas[i]);
614 priv->sa = sa;
615 ips = ipsec_get_primary_session(sa);
616
617 switch (ips->type) {
618 case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
619 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
620 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
621
622 rte_prefetch0(&priv->sym_cop);
623
624 if ((unlikely(ips->security.ses == NULL)) &&
625 create_lookaside_session(ipsec_ctx, sa, ips)) {
626 free_pkts(&pkts[i], 1);
627 continue;
628 }
629
630 if (unlikely((pkts[i]->packet_type &
631 (RTE_PTYPE_TUNNEL_MASK |
632 RTE_PTYPE_L4_MASK)) ==
633 MBUF_PTYPE_TUNNEL_ESP_IN_UDP &&
634 sa->udp_encap != 1)) {
635 free_pkts(&pkts[i], 1);
636 continue;
637 }
638
639 sym_cop = get_sym_cop(&priv->cop);
640 sym_cop->m_src = pkts[i];
641
642 rte_security_attach_session(&priv->cop,
643 ips->security.ses);
644 break;
645
646 case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
647 RTE_LOG(ERR, IPSEC, "CPU crypto is not supported by the"
648 " legacy mode.");
649 free_pkts(&pkts[i], 1);
650 continue;
651
652 case RTE_SECURITY_ACTION_TYPE_NONE:
653
654 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
655 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
656
657 rte_prefetch0(&priv->sym_cop);
658
659 if ((unlikely(ips->crypto.ses == NULL)) &&
660 create_lookaside_session(ipsec_ctx, sa, ips)) {
661 free_pkts(&pkts[i], 1);
662 continue;
663 }
664
665 rte_crypto_op_attach_sym_session(&priv->cop,
666 ips->crypto.ses);
667
668 ret = xform_func(pkts[i], sa, &priv->cop);
669 if (unlikely(ret)) {
670 free_pkts(&pkts[i], 1);
671 continue;
672 }
673 break;
674 case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
675 RTE_ASSERT(ips->security.ses != NULL);
676 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
677 if (ips->security.ol_flags &
678 RTE_SECURITY_TX_OLOAD_NEED_MDATA)
679 rte_security_set_pkt_metadata(
680 ips->security.ctx, ips->security.ses,
681 pkts[i], NULL);
682 continue;
683 case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
684 RTE_ASSERT(ips->security.ses != NULL);
685 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
686 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
687
688 rte_prefetch0(&priv->sym_cop);
689 rte_security_attach_session(&priv->cop,
690 ips->security.ses);
691
692 ret = xform_func(pkts[i], sa, &priv->cop);
693 if (unlikely(ret)) {
694 free_pkts(&pkts[i], 1);
695 continue;
696 }
697
698 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
699 if (ips->security.ol_flags &
700 RTE_SECURITY_TX_OLOAD_NEED_MDATA)
701 rte_security_set_pkt_metadata(
702 ips->security.ctx, ips->security.ses,
703 pkts[i], NULL);
704 continue;
705 }
706
707 RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps);
708 enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop);
709 }
710}
711
712static inline int32_t
713ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
714 struct rte_mbuf *pkts[], uint16_t max_pkts)
715{
716 int32_t nb_pkts, ret;
717 struct ipsec_mbuf_metadata *priv;
718 struct ipsec_sa *sa;
719 struct rte_mbuf *pkt;
720
721 nb_pkts = 0;
722 while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
723 pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt];
724 rte_prefetch0(pkt);
725 priv = get_priv(pkt);
726 sa = priv->sa;
727 ret = xform_func(pkt, sa, &priv->cop);
728 if (unlikely(ret)) {
729 free_pkts(&pkt, 1);
730 continue;
731 }
732 pkts[nb_pkts++] = pkt;
733 }
734
735 return nb_pkts;
736}
737
738static inline int
739ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
740 struct rte_mbuf *pkts[], uint16_t max_pkts)
741{
742 int32_t nb_pkts = 0, ret = 0, i, j, nb_cops;
743 struct ipsec_mbuf_metadata *priv;
744 struct rte_crypto_op *cops[max_pkts];
745 struct ipsec_sa *sa;
746 struct rte_mbuf *pkt;
747
748 for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) {
749 struct cdev_qp *cqp;
750
751 cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++];
752 if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
753 ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
754
755 if (cqp->in_flight == 0)
756 continue;
757
758 nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp,
759 cops, max_pkts - nb_pkts);
760
761 cqp->in_flight -= nb_cops;
762
763 for (j = 0; j < nb_cops; j++) {
764 pkt = cops[j]->sym->m_src;
765 rte_prefetch0(pkt);
766
767 priv = get_priv(pkt);
768 sa = priv->sa;
769
770 RTE_ASSERT(sa != NULL);
771
772 if (ipsec_get_action_type(sa) ==
773 RTE_SECURITY_ACTION_TYPE_NONE) {
774 ret = xform_func(pkt, sa, cops[j]);
775 if (unlikely(ret)) {
776 free_pkts(&pkt, 1);
777 continue;
778 }
779 } else if (ipsec_get_action_type(sa) ==
780 RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
781 if (cops[j]->status) {
782 free_pkts(&pkt, 1);
783 continue;
784 }
785 }
786 pkts[nb_pkts++] = pkt;
787 }
788 }
789
790
791 return nb_pkts;
792}
793
794uint16_t
795ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
796 uint16_t nb_pkts, uint16_t len)
797{
798 void *sas[nb_pkts];
799
800 inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts);
801
802 ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts);
803
804 return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len);
805}
806
807uint16_t
808ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
809 uint16_t len)
810{
811 return ipsec_dequeue(esp_inbound_post, ctx, pkts, len);
812}
813
814uint16_t
815ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
816 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len)
817{
818 void *sas[nb_pkts];
819
820 outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts);
821
822 ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts);
823
824 return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len);
825}
826
827uint16_t
828ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
829 uint16_t len)
830{
831 return ipsec_dequeue(esp_outbound_post, ctx, pkts, len);
832}
833
