1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
5 #include <rte_cryptodev.h>
6 #include <rte_eventdev.h>
7 #include <rte_security.h>
8 #include <rte_security_driver.h>
10 #include <cn10k_ethdev.h>
11 #include <cnxk_security.h>
13 static struct rte_cryptodev_capabilities cn10k_eth_sec_crypto_caps[] = {
15 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
17 .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
19 .algo = RTE_CRYPTO_AEAD_AES_GCM,
45 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
47 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
49 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
65 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
67 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
69 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
84 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
87 static const struct rte_security_capability cn10k_eth_sec_capabilities[] = {
88 { /* IPsec Inline Protocol ESP Tunnel Ingress */
89 .action = RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
90 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
92 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
93 .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
94 .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
97 .crypto_capabilities = cn10k_eth_sec_crypto_caps,
98 .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
100 { /* IPsec Inline Protocol ESP Tunnel Egress */
101 .action = RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
102 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
104 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
105 .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
106 .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
109 .crypto_capabilities = cn10k_eth_sec_crypto_caps,
110 .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
112 { /* IPsec Inline Protocol ESP Transport Egress */
113 .action = RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
114 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
116 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
117 .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
118 .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
121 .crypto_capabilities = cn10k_eth_sec_crypto_caps,
122 .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
124 { /* IPsec Inline Protocol ESP Transport Ingress */
125 .action = RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
126 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
128 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
129 .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
130 .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
133 .crypto_capabilities = cn10k_eth_sec_crypto_caps,
134 .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
137 .action = RTE_SECURITY_ACTION_TYPE_NONE
142 cn10k_eth_sec_sso_work_cb(uint64_t *gw, void *args)
144 struct rte_eth_event_ipsec_desc desc;
145 struct cn10k_sec_sess_priv sess_priv;
146 struct cn10k_outb_priv_data *priv;
147 struct roc_ot_ipsec_outb_sa *sa;
148 struct cpt_cn10k_res_s *res;
149 struct rte_eth_dev *eth_dev;
150 struct cnxk_eth_dev *dev;
151 uint16_t dlen_adj, rlen;
152 struct rte_mbuf *mbuf;
159 switch ((gw[0] >> 28) & 0xF) {
160 case RTE_EVENT_TYPE_ETHDEV:
161 /* Event from inbound inline dev due to IPSEC packet bad L4 */
162 mbuf = (struct rte_mbuf *)(gw[1] - sizeof(struct rte_mbuf));
163 plt_nix_dbg("Received mbuf %p from inline dev inbound", mbuf);
164 rte_pktmbuf_free(mbuf);
166 case RTE_EVENT_TYPE_CPU:
167 /* Check for subtype */
168 if (((gw[0] >> 20) & 0xFF) == CNXK_ETHDEV_SEC_OUTB_EV_SUB) {
169 /* Event from outbound inline error */
170 mbuf = (struct rte_mbuf *)gw[1];
175 plt_err("Unknown event gw[0] = 0x%016lx, gw[1] = 0x%016lx",
180 /* Get ethdev port from tag */
182 eth_dev = &rte_eth_devices[port];
183 dev = cnxk_eth_pmd_priv(eth_dev);
185 sess_priv.u64 = *rte_security_dynfield(mbuf);
186 /* Calculate dlen adj */
187 dlen_adj = mbuf->pkt_len - mbuf->l2_len;
188 rlen = (dlen_adj + sess_priv.roundup_len) +
189 (sess_priv.roundup_byte - 1);
190 rlen &= ~(uint64_t)(sess_priv.roundup_byte - 1);
191 rlen += sess_priv.partial_len;
192 dlen_adj = rlen - dlen_adj;
194 /* Find the res area residing on next cacheline after end of data */
195 nixtx = rte_pktmbuf_mtod(mbuf, uintptr_t) + mbuf->pkt_len + dlen_adj;
197 nixtx = (nixtx - 1) & ~(BIT_ULL(7) - 1);
198 res = (struct cpt_cn10k_res_s *)nixtx;
200 plt_nix_dbg("Outbound error, mbuf %p, sa_index %u, compcode %x uc %x",
201 mbuf, sess_priv.sa_idx, res->compcode, res->uc_compcode);
203 sess_priv.u64 = *rte_security_dynfield(mbuf);
205 sa_base = dev->outb.sa_base;
206 sa = roc_nix_inl_ot_ipsec_outb_sa(sa_base, sess_priv.sa_idx);
207 priv = roc_nix_inl_ot_ipsec_outb_sa_sw_rsvd(sa);
209 memset(&desc, 0, sizeof(desc));
211 switch (res->uc_compcode) {
212 case ROC_IE_OT_UCC_ERR_SA_OVERFLOW:
213 desc.subtype = RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW;
216 plt_warn("Outbound error, mbuf %p, sa_index %u, "
217 "compcode %x uc %x", mbuf, sess_priv.sa_idx,
218 res->compcode, res->uc_compcode);
219 desc.subtype = RTE_ETH_EVENT_IPSEC_UNKNOWN;
223 desc.metadata = (uint64_t)priv->userdata;
224 rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_IPSEC, &desc);
225 rte_pktmbuf_free(mbuf);
229 cn10k_eth_sec_session_create(void *device,
230 struct rte_security_session_conf *conf,
231 struct rte_security_session *sess,
232 struct rte_mempool *mempool)
234 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device;
235 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
236 struct rte_security_ipsec_xform *ipsec;
237 struct cn10k_sec_sess_priv sess_priv;
238 struct rte_crypto_sym_xform *crypto;
239 struct cnxk_eth_sec_sess *eth_sec;
240 bool inbound, inl_dev;
241 rte_spinlock_t *lock;
242 char tbuf[128] = {0};
245 if (conf->action_type != RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
248 if (conf->protocol != RTE_SECURITY_PROTOCOL_IPSEC)
251 if (rte_security_dynfield_register() < 0)
254 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
255 roc_nix_inl_cb_register(cn10k_eth_sec_sso_work_cb, NULL);
257 ipsec = &conf->ipsec;
258 crypto = conf->crypto_xform;
259 inbound = !!(ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
260 inl_dev = !!dev->inb.inl_dev;
262 /* Search if a session already exits */
263 if (cnxk_eth_sec_sess_get_by_spi(dev, ipsec->spi, inbound)) {
264 plt_err("%s SA with SPI %u already in use",
265 inbound ? "Inbound" : "Outbound", ipsec->spi);
269 if (rte_mempool_get(mempool, (void **)ð_sec)) {
270 plt_err("Could not allocate security session private data");
274 memset(eth_sec, 0, sizeof(struct cnxk_eth_sec_sess));
277 lock = inbound ? &dev->inb.lock : &dev->outb.lock;
278 rte_spinlock_lock(lock);
280 /* Acquire lock on inline dev for inbound */
281 if (inbound && inl_dev)
282 roc_nix_inl_dev_lock();
285 struct roc_ot_ipsec_inb_sa *inb_sa, *inb_sa_dptr;
286 struct cn10k_inb_priv_data *inb_priv;
289 PLT_STATIC_ASSERT(sizeof(struct cn10k_inb_priv_data) <
290 ROC_NIX_INL_OT_IPSEC_INB_SW_RSVD);
292 /* Get Inbound SA from NIX_RX_IPSEC_SA_BASE */
293 sa = roc_nix_inl_inb_sa_get(&dev->nix, inl_dev, ipsec->spi);
294 if (!sa && dev->inb.inl_dev) {
295 snprintf(tbuf, sizeof(tbuf),
296 "Failed to create ingress sa, inline dev "
297 "not found or spi not in range");
301 snprintf(tbuf, sizeof(tbuf),
302 "Failed to create ingress sa");
307 inb_sa = (struct roc_ot_ipsec_inb_sa *)sa;
309 /* Check if SA is already in use */
310 if (inb_sa->w2.s.valid) {
311 snprintf(tbuf, sizeof(tbuf),
312 "Inbound SA with SPI %u already in use",
318 inb_sa_dptr = (struct roc_ot_ipsec_inb_sa *)dev->inb.sa_dptr;
319 memset(inb_sa_dptr, 0, sizeof(struct roc_ot_ipsec_inb_sa));
321 /* Fill inbound sa params */
322 rc = cnxk_ot_ipsec_inb_sa_fill(inb_sa_dptr, ipsec, crypto,
325 snprintf(tbuf, sizeof(tbuf),
326 "Failed to init inbound sa, rc=%d", rc);
330 inb_priv = roc_nix_inl_ot_ipsec_inb_sa_sw_rsvd(inb_sa);
331 /* Back pointer to get eth_sec */
332 inb_priv->eth_sec = eth_sec;
333 /* Save userdata in inb private area */
334 inb_priv->userdata = conf->userdata;
336 /* Save SA index/SPI in cookie for now */
337 inb_sa_dptr->w1.s.cookie = rte_cpu_to_be_32(ipsec->spi);
339 /* Prepare session priv */
340 sess_priv.inb_sa = 1;
341 sess_priv.sa_idx = ipsec->spi;
343 /* Pointer from eth_sec -> inb_sa */
344 eth_sec->sa = inb_sa;
345 eth_sec->sess = sess;
346 eth_sec->sa_idx = ipsec->spi;
347 eth_sec->spi = ipsec->spi;
348 eth_sec->inl_dev = !!dev->inb.inl_dev;
351 TAILQ_INSERT_TAIL(&dev->inb.list, eth_sec, entry);
353 /* Sync session in context cache */
354 rc = roc_nix_inl_ctx_write(&dev->nix, inb_sa_dptr, eth_sec->sa,
356 sizeof(struct roc_ot_ipsec_inb_sa));
360 struct roc_ot_ipsec_outb_sa *outb_sa, *outb_sa_dptr;
361 struct cn10k_outb_priv_data *outb_priv;
362 struct cnxk_ipsec_outb_rlens *rlens;
363 uint64_t sa_base = dev->outb.sa_base;
366 PLT_STATIC_ASSERT(sizeof(struct cn10k_outb_priv_data) <
367 ROC_NIX_INL_OT_IPSEC_OUTB_SW_RSVD);
369 /* Alloc an sa index */
370 rc = cnxk_eth_outb_sa_idx_get(dev, &sa_idx);
374 outb_sa = roc_nix_inl_ot_ipsec_outb_sa(sa_base, sa_idx);
375 outb_priv = roc_nix_inl_ot_ipsec_outb_sa_sw_rsvd(outb_sa);
376 rlens = &outb_priv->rlens;
378 outb_sa_dptr = (struct roc_ot_ipsec_outb_sa *)dev->outb.sa_dptr;
379 memset(outb_sa_dptr, 0, sizeof(struct roc_ot_ipsec_outb_sa));
381 /* Fill outbound sa params */
382 rc = cnxk_ot_ipsec_outb_sa_fill(outb_sa_dptr, ipsec, crypto);
384 snprintf(tbuf, sizeof(tbuf),
385 "Failed to init outbound sa, rc=%d", rc);
386 rc |= cnxk_eth_outb_sa_idx_put(dev, sa_idx);
391 outb_priv->userdata = conf->userdata;
392 outb_priv->sa_idx = sa_idx;
393 outb_priv->eth_sec = eth_sec;
396 cnxk_ipsec_outb_rlens_get(rlens, ipsec, crypto);
398 /* Prepare session priv */
399 sess_priv.sa_idx = outb_priv->sa_idx;
400 sess_priv.roundup_byte = rlens->roundup_byte;
401 sess_priv.roundup_len = rlens->roundup_len;
402 sess_priv.partial_len = rlens->partial_len;
403 sess_priv.mode = outb_sa_dptr->w2.s.ipsec_mode;
404 sess_priv.outer_ip_ver = outb_sa_dptr->w2.s.outer_ip_ver;
406 /* Pointer from eth_sec -> outb_sa */
407 eth_sec->sa = outb_sa;
408 eth_sec->sess = sess;
409 eth_sec->sa_idx = sa_idx;
410 eth_sec->spi = ipsec->spi;
412 TAILQ_INSERT_TAIL(&dev->outb.list, eth_sec, entry);
414 /* Sync session in context cache */
415 rc = roc_nix_inl_ctx_write(&dev->nix, outb_sa_dptr, eth_sec->sa,
417 sizeof(struct roc_ot_ipsec_outb_sa));
421 if (inbound && inl_dev)
422 roc_nix_inl_dev_unlock();
423 rte_spinlock_unlock(lock);
425 plt_nix_dbg("Created %s session with spi=%u, sa_idx=%u inl_dev=%u",
426 inbound ? "inbound" : "outbound", eth_sec->spi,
427 eth_sec->sa_idx, eth_sec->inl_dev);
429 * Update fast path info in priv area.
431 set_sec_session_private_data(sess, (void *)sess_priv.u64);
435 if (inbound && inl_dev)
436 roc_nix_inl_dev_unlock();
437 rte_spinlock_unlock(lock);
439 rte_mempool_put(mempool, eth_sec);
446 cn10k_eth_sec_session_destroy(void *device, struct rte_security_session *sess)
448 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device;
449 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
450 struct cnxk_eth_sec_sess *eth_sec;
451 struct rte_mempool *mp;
452 rte_spinlock_t *lock;
455 eth_sec = cnxk_eth_sec_sess_get_by_sess(dev, sess);
459 lock = eth_sec->inb ? &dev->inb.lock : &dev->outb.lock;
460 rte_spinlock_lock(lock);
462 if (eth_sec->inl_dev)
463 roc_nix_inl_dev_lock();
467 sa_dptr = dev->inb.sa_dptr;
468 roc_ot_ipsec_inb_sa_init(sa_dptr, true);
470 roc_nix_inl_ctx_write(&dev->nix, sa_dptr, eth_sec->sa,
472 sizeof(struct roc_ot_ipsec_inb_sa));
473 TAILQ_REMOVE(&dev->inb.list, eth_sec, entry);
477 sa_dptr = dev->outb.sa_dptr;
478 roc_ot_ipsec_outb_sa_init(sa_dptr);
480 roc_nix_inl_ctx_write(&dev->nix, sa_dptr, eth_sec->sa,
482 sizeof(struct roc_ot_ipsec_outb_sa));
483 /* Release Outbound SA index */
484 cnxk_eth_outb_sa_idx_put(dev, eth_sec->sa_idx);
485 TAILQ_REMOVE(&dev->outb.list, eth_sec, entry);
488 if (eth_sec->inl_dev)
489 roc_nix_inl_dev_unlock();
491 rte_spinlock_unlock(lock);
493 plt_nix_dbg("Destroyed %s session with spi=%u, sa_idx=%u, inl_dev=%u",
494 eth_sec->inb ? "inbound" : "outbound", eth_sec->spi,
495 eth_sec->sa_idx, eth_sec->inl_dev);
497 /* Put eth_sec object back to pool */
498 mp = rte_mempool_from_obj(eth_sec);
499 set_sec_session_private_data(sess, NULL);
500 rte_mempool_put(mp, eth_sec);
504 static const struct rte_security_capability *
505 cn10k_eth_sec_capabilities_get(void *device __rte_unused)
507 return cn10k_eth_sec_capabilities;
511 cn10k_eth_sec_ops_override(void)
513 static int init_once;
519 /* Update platform specific ops */
520 cnxk_eth_sec_ops.session_create = cn10k_eth_sec_session_create;
521 cnxk_eth_sec_ops.session_destroy = cn10k_eth_sec_session_destroy;
522 cnxk_eth_sec_ops.capabilities_get = cn10k_eth_sec_capabilities_get;