1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2017 Intel Corporation
3 */
4
5 #include <intel-ipsec-mb.h>
6
7 #include <rte_common.h>
8 #include <rte_hexdump.h>
9 #include <rte_cryptodev.h>
10 #include <rte_cryptodev_pmd.h>
11 #include <rte_bus_vdev.h>
12 #include <rte_malloc.h>
13 #include <rte_cpuflags.h>
14 #include <rte_per_lcore.h>
15 #include <rte_ether.h>
16
17 #include "aesni_mb_pmd_private.h"
18
19 #define AES_CCM_DIGEST_MIN_LEN 4
20 #define AES_CCM_DIGEST_MAX_LEN 16
21 #define HMAC_MAX_BLOCK_SIZE 128
22 static uint8_t cryptodev_driver_id;
23
24 /*
25 * Needed to support CPU-CRYPTO API (rte_cryptodev_sym_cpu_crypto_process),
26 * as we still use JOB based API even for synchronous processing.
27 */
28 static RTE_DEFINE_PER_LCORE(MB_MGR *, sync_mb_mgr);
29
30 typedef void (*hash_one_block_t)(const void *data, void *digest);
31 typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys);
32
33 /**
34 * Calculate the authentication pre-computes
35 *
36 * @param one_block_hash Function pointer to calculate digest on ipad/opad
37 * @param ipad Inner pad output byte array
38 * @param opad Outer pad output byte array
39 * @param hkey Authentication key
40 * @param hkey_len Authentication key length
41 * @param blocksize Block size of selected hash algo
42 */
43 static void
calculate_auth_precomputes(hash_one_block_t one_block_hash,uint8_t * ipad,uint8_t * opad,const uint8_t * hkey,uint16_t hkey_len,uint16_t blocksize)44 calculate_auth_precomputes(hash_one_block_t one_block_hash,
45 uint8_t *ipad, uint8_t *opad,
46 const uint8_t *hkey, uint16_t hkey_len,
47 uint16_t blocksize)
48 {
49 unsigned i, length;
50
51 uint8_t ipad_buf[blocksize] __rte_aligned(16);
52 uint8_t opad_buf[blocksize] __rte_aligned(16);
53
54 /* Setup inner and outer pads */
55 memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
56 memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
57
58 /* XOR hash key with inner and outer pads */
59 length = hkey_len > blocksize ? blocksize : hkey_len;
60
61 for (i = 0; i < length; i++) {
62 ipad_buf[i] ^= hkey[i];
63 opad_buf[i] ^= hkey[i];
64 }
65
66 /* Compute partial hashes */
67 (*one_block_hash)(ipad_buf, ipad);
68 (*one_block_hash)(opad_buf, opad);
69
70 /* Clean up stack */
71 memset(ipad_buf, 0, blocksize);
72 memset(opad_buf, 0, blocksize);
73 }
74
75 /** Get xform chain order */
76 static enum aesni_mb_operation
aesni_mb_get_chain_order(const struct rte_crypto_sym_xform * xform)77 aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
78 {
79 if (xform == NULL)
80 return AESNI_MB_OP_NOT_SUPPORTED;
81
82 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
83 if (xform->next == NULL)
84 return AESNI_MB_OP_CIPHER_ONLY;
85 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
86 return AESNI_MB_OP_CIPHER_HASH;
87 }
88
89 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
90 if (xform->next == NULL)
91 return AESNI_MB_OP_HASH_ONLY;
92 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
93 return AESNI_MB_OP_HASH_CIPHER;
94 }
95 #if IMB_VERSION_NUM > IMB_VERSION(0, 52, 0)
96 if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
97 if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) {
98 /*
99 * CCM requires to hash first and cipher later
100 * when encrypting
101 */
102 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
103 return AESNI_MB_OP_AEAD_HASH_CIPHER;
104 else
105 return AESNI_MB_OP_AEAD_CIPHER_HASH;
106 } else {
107 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
108 return AESNI_MB_OP_AEAD_CIPHER_HASH;
109 else
110 return AESNI_MB_OP_AEAD_HASH_CIPHER;
111 }
112 }
113 #else
114 if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
115 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM ||
116 xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
117 if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
118 return AESNI_MB_OP_AEAD_CIPHER_HASH;
119 else
120 return AESNI_MB_OP_AEAD_HASH_CIPHER;
121 }
122 }
123 #endif
124
125 return AESNI_MB_OP_NOT_SUPPORTED;
126 }
127
128 static inline int
is_aead_algo(JOB_HASH_ALG hash_alg,JOB_CIPHER_MODE cipher_mode)129 is_aead_algo(JOB_HASH_ALG hash_alg, JOB_CIPHER_MODE cipher_mode)
130 {
131 #if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
132 return (hash_alg == IMB_AUTH_CHACHA20_POLY1305 || hash_alg == AES_CCM ||
133 (hash_alg == AES_GMAC && cipher_mode == GCM));
134 #else
135 return ((hash_alg == AES_GMAC && cipher_mode == GCM) ||
136 hash_alg == AES_CCM);
137 #endif
138 }
139
140 /** Set session authentication parameters */
141 static int
aesni_mb_set_session_auth_parameters(const MB_MGR * mb_mgr,struct aesni_mb_session * sess,const struct rte_crypto_sym_xform * xform)142 aesni_mb_set_session_auth_parameters(const MB_MGR *mb_mgr,
143 struct aesni_mb_session *sess,
144 const struct rte_crypto_sym_xform *xform)
145 {
146 hash_one_block_t hash_oneblock_fn = NULL;
147 unsigned int key_larger_block_size = 0;
148 uint8_t hashed_key[HMAC_MAX_BLOCK_SIZE] = { 0 };
149 uint32_t auth_precompute = 1;
150
151 if (xform == NULL) {
152 sess->auth.algo = NULL_HASH;
153 return 0;
154 }
155
156 if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
157 AESNI_MB_LOG(ERR, "Crypto xform struct not of type auth");
158 return -1;
159 }
160
161 /* Set IV parameters */
162 sess->auth_iv.offset = xform->auth.iv.offset;
163 sess->auth_iv.length = xform->auth.iv.length;
164
165 /* Set the request digest size */
166 sess->auth.req_digest_len = xform->auth.digest_length;
167
168 /* Select auth generate/verify */
169 sess->auth.operation = xform->auth.op;
170
171 /* Set Authentication Parameters */
172 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
173 sess->auth.algo = AES_XCBC;
174
175 uint16_t xcbc_mac_digest_len =
176 get_truncated_digest_byte_length(AES_XCBC);
177 if (sess->auth.req_digest_len != xcbc_mac_digest_len) {
178 AESNI_MB_LOG(ERR, "Invalid digest size\n");
179 return -EINVAL;
180 }
181 sess->auth.gen_digest_len = sess->auth.req_digest_len;
182
183 IMB_AES_XCBC_KEYEXP(mb_mgr, xform->auth.key.data,
184 sess->auth.xcbc.k1_expanded,
185 sess->auth.xcbc.k2, sess->auth.xcbc.k3);
186 return 0;
187 }
188
189 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_CMAC) {
190 uint32_t dust[4*15];
191
192 sess->auth.algo = AES_CMAC;
193
194 uint16_t cmac_digest_len = get_digest_byte_length(AES_CMAC);
195
196 if (sess->auth.req_digest_len > cmac_digest_len) {
197 AESNI_MB_LOG(ERR, "Invalid digest size\n");
198 return -EINVAL;
199 }
200 /*
201 * Multi-buffer lib supports digest sizes from 4 to 16 bytes
202 * in version 0.50 and sizes of 12 and 16 bytes,
203 * in version 0.49.
204 * If size requested is different, generate the full digest
205 * (16 bytes) in a temporary location and then memcpy
206 * the requested number of bytes.
207 */
208 if (sess->auth.req_digest_len < 4)
209 sess->auth.gen_digest_len = cmac_digest_len;
210 else
211 sess->auth.gen_digest_len = sess->auth.req_digest_len;
212
213 IMB_AES_KEYEXP_128(mb_mgr, xform->auth.key.data,
214 sess->auth.cmac.expkey, dust);
215 IMB_AES_CMAC_SUBKEY_GEN_128(mb_mgr, sess->auth.cmac.expkey,
216 sess->auth.cmac.skey1, sess->auth.cmac.skey2);
217 return 0;
218 }
219
220 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
221 if (xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) {
222 sess->cipher.direction = ENCRYPT;
223 sess->chain_order = CIPHER_HASH;
224 } else
225 sess->cipher.direction = DECRYPT;
226
227 sess->auth.algo = AES_GMAC;
228 if (sess->auth.req_digest_len > get_digest_byte_length(AES_GMAC)) {
229 AESNI_MB_LOG(ERR, "Invalid digest size\n");
230 return -EINVAL;
231 }
232 sess->auth.gen_digest_len = sess->auth.req_digest_len;
233 sess->iv.length = xform->auth.iv.length;
234 sess->iv.offset = xform->auth.iv.offset;
235
236 switch (xform->auth.key.length) {
237 case AES_128_BYTES:
238 IMB_AES128_GCM_PRE(mb_mgr, xform->auth.key.data,
239 &sess->cipher.gcm_key);
240 sess->cipher.key_length_in_bytes = AES_128_BYTES;
241 break;
242 case AES_192_BYTES:
243 IMB_AES192_GCM_PRE(mb_mgr, xform->auth.key.data,
244 &sess->cipher.gcm_key);
245 sess->cipher.key_length_in_bytes = AES_192_BYTES;
246 break;
247 case AES_256_BYTES:
248 IMB_AES256_GCM_PRE(mb_mgr, xform->auth.key.data,
249 &sess->cipher.gcm_key);
250 sess->cipher.key_length_in_bytes = AES_256_BYTES;
251 break;
252 default:
253 RTE_LOG(ERR, PMD, "failed to parse test type\n");
254 return -EINVAL;
255 }
256
257 return 0;
258 }
259
260 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
261 if (xform->auth.algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
262 sess->auth.algo = IMB_AUTH_ZUC_EIA3_BITLEN;
263 uint16_t zuc_eia3_digest_len =
264 get_truncated_digest_byte_length(IMB_AUTH_ZUC_EIA3_BITLEN);
265 if (sess->auth.req_digest_len != zuc_eia3_digest_len) {
266 AESNI_MB_LOG(ERR, "Invalid digest size\n");
267 return -EINVAL;
268 }
269 sess->auth.gen_digest_len = sess->auth.req_digest_len;
270
271 memcpy(sess->auth.zuc_auth_key, xform->auth.key.data, 16);
272 return 0;
273 } else if (xform->auth.algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2) {
274 sess->auth.algo = IMB_AUTH_SNOW3G_UIA2_BITLEN;
275 uint16_t snow3g_uia2_digest_len =
276 get_truncated_digest_byte_length(IMB_AUTH_SNOW3G_UIA2_BITLEN);
277 if (sess->auth.req_digest_len != snow3g_uia2_digest_len) {
278 AESNI_MB_LOG(ERR, "Invalid digest size\n");
279 return -EINVAL;
280 }
281 sess->auth.gen_digest_len = sess->auth.req_digest_len;
282
283 IMB_SNOW3G_INIT_KEY_SCHED(mb_mgr, xform->auth.key.data,
284 &sess->auth.pKeySched_snow3g_auth);
285 return 0;
286 } else if (xform->auth.algo == RTE_CRYPTO_AUTH_KASUMI_F9) {
287 sess->auth.algo = IMB_AUTH_KASUMI_UIA1;
288 uint16_t kasumi_f9_digest_len =
289 get_truncated_digest_byte_length(IMB_AUTH_KASUMI_UIA1);
290 if (sess->auth.req_digest_len != kasumi_f9_digest_len) {
291 AESNI_MB_LOG(ERR, "Invalid digest size\n");
292 return -EINVAL;
293 }
294 sess->auth.gen_digest_len = sess->auth.req_digest_len;
295
296 IMB_KASUMI_INIT_F9_KEY_SCHED(mb_mgr, xform->auth.key.data,
297 &sess->auth.pKeySched_kasumi_auth);
298 return 0;
299 }
300 #endif
301
302 switch (xform->auth.algo) {
303 case RTE_CRYPTO_AUTH_MD5_HMAC:
304 sess->auth.algo = MD5;
305 hash_oneblock_fn = mb_mgr->md5_one_block;
306 break;
307 case RTE_CRYPTO_AUTH_SHA1_HMAC:
308 sess->auth.algo = SHA1;
309 hash_oneblock_fn = mb_mgr->sha1_one_block;
310 if (xform->auth.key.length > get_auth_algo_blocksize(SHA1)) {
311 IMB_SHA1(mb_mgr,
312 xform->auth.key.data,
313 xform->auth.key.length,
314 hashed_key);
315 key_larger_block_size = 1;
316 }
317 break;
318 case RTE_CRYPTO_AUTH_SHA1:
319 sess->auth.algo = PLAIN_SHA1;
320 auth_precompute = 0;
321 break;
322 case RTE_CRYPTO_AUTH_SHA224_HMAC:
323 sess->auth.algo = SHA_224;
324 hash_oneblock_fn = mb_mgr->sha224_one_block;
325 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_224)) {
326 IMB_SHA224(mb_mgr,
327 xform->auth.key.data,
328 xform->auth.key.length,
329 hashed_key);
330 key_larger_block_size = 1;
331 }
332 break;
333 case RTE_CRYPTO_AUTH_SHA224:
334 sess->auth.algo = PLAIN_SHA_224;
335 auth_precompute = 0;
336 break;
337 case RTE_CRYPTO_AUTH_SHA256_HMAC:
338 sess->auth.algo = SHA_256;
339 hash_oneblock_fn = mb_mgr->sha256_one_block;
340 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_256)) {
341 IMB_SHA256(mb_mgr,
342 xform->auth.key.data,
343 xform->auth.key.length,
344 hashed_key);
345 key_larger_block_size = 1;
346 }
347 break;
348 case RTE_CRYPTO_AUTH_SHA256:
349 sess->auth.algo = PLAIN_SHA_256;
350 auth_precompute = 0;
351 break;
352 case RTE_CRYPTO_AUTH_SHA384_HMAC:
353 sess->auth.algo = SHA_384;
354 hash_oneblock_fn = mb_mgr->sha384_one_block;
355 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_384)) {
356 IMB_SHA384(mb_mgr,
357 xform->auth.key.data,
358 xform->auth.key.length,
359 hashed_key);
360 key_larger_block_size = 1;
361 }
362 break;
363 case RTE_CRYPTO_AUTH_SHA384:
364 sess->auth.algo = PLAIN_SHA_384;
365 auth_precompute = 0;
366 break;
367 case RTE_CRYPTO_AUTH_SHA512_HMAC:
368 sess->auth.algo = SHA_512;
369 hash_oneblock_fn = mb_mgr->sha512_one_block;
370 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_512)) {
371 IMB_SHA512(mb_mgr,
372 xform->auth.key.data,
373 xform->auth.key.length,
374 hashed_key);
375 key_larger_block_size = 1;
376 }
377 break;
378 case RTE_CRYPTO_AUTH_SHA512:
379 sess->auth.algo = PLAIN_SHA_512;
380 auth_precompute = 0;
381 break;
382 default:
383 AESNI_MB_LOG(ERR, "Unsupported authentication algorithm selection");
384 return -ENOTSUP;
385 }
386 uint16_t trunc_digest_size =
387 get_truncated_digest_byte_length(sess->auth.algo);
388 uint16_t full_digest_size =
389 get_digest_byte_length(sess->auth.algo);
390
391 if (sess->auth.req_digest_len > full_digest_size ||
392 sess->auth.req_digest_len == 0) {
393 AESNI_MB_LOG(ERR, "Invalid digest size\n");
394 return -EINVAL;
395 }
396
397 if (sess->auth.req_digest_len != trunc_digest_size &&
398 sess->auth.req_digest_len != full_digest_size)
399 sess->auth.gen_digest_len = full_digest_size;
400 else
401 sess->auth.gen_digest_len = sess->auth.req_digest_len;
402
403 /* Plain SHA does not require precompute key */
404 if (auth_precompute == 0)
405 return 0;
406
407 /* Calculate Authentication precomputes */
408 if (key_larger_block_size) {
409 calculate_auth_precomputes(hash_oneblock_fn,
410 sess->auth.pads.inner, sess->auth.pads.outer,
411 hashed_key,
412 xform->auth.key.length,
413 get_auth_algo_blocksize(sess->auth.algo));
414 } else {
415 calculate_auth_precomputes(hash_oneblock_fn,
416 sess->auth.pads.inner, sess->auth.pads.outer,
417 xform->auth.key.data,
418 xform->auth.key.length,
419 get_auth_algo_blocksize(sess->auth.algo));
420 }
421
422 return 0;
423 }
424
425 /** Set session cipher parameters */
426 static int
aesni_mb_set_session_cipher_parameters(const MB_MGR * mb_mgr,struct aesni_mb_session * sess,const struct rte_crypto_sym_xform * xform)427 aesni_mb_set_session_cipher_parameters(const MB_MGR *mb_mgr,
428 struct aesni_mb_session *sess,
429 const struct rte_crypto_sym_xform *xform)
430 {
431 uint8_t is_aes = 0;
432 uint8_t is_3DES = 0;
433 uint8_t is_docsis = 0;
434 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
435 uint8_t is_zuc = 0;
436 uint8_t is_snow3g = 0;
437 uint8_t is_kasumi = 0;
438 #endif
439
440 if (xform == NULL) {
441 sess->cipher.mode = NULL_CIPHER;
442 return 0;
443 }
444
445 if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
446 AESNI_MB_LOG(ERR, "Crypto xform struct not of type cipher");
447 return -EINVAL;
448 }
449
450 /* Select cipher direction */
451 switch (xform->cipher.op) {
452 case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
453 sess->cipher.direction = ENCRYPT;
454 break;
455 case RTE_CRYPTO_CIPHER_OP_DECRYPT:
456 sess->cipher.direction = DECRYPT;
457 break;
458 default:
459 AESNI_MB_LOG(ERR, "Invalid cipher operation parameter");
460 return -EINVAL;
461 }
462
463 /* Select cipher mode */
464 switch (xform->cipher.algo) {
465 case RTE_CRYPTO_CIPHER_AES_CBC:
466 sess->cipher.mode = CBC;
467 is_aes = 1;
468 break;
469 case RTE_CRYPTO_CIPHER_AES_CTR:
470 sess->cipher.mode = CNTR;
471 is_aes = 1;
472 break;
473 case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
474 sess->cipher.mode = DOCSIS_SEC_BPI;
475 is_docsis = 1;
476 break;
477 case RTE_CRYPTO_CIPHER_DES_CBC:
478 sess->cipher.mode = DES;
479 break;
480 case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
481 sess->cipher.mode = DOCSIS_DES;
482 break;
483 case RTE_CRYPTO_CIPHER_3DES_CBC:
484 sess->cipher.mode = DES3;
485 is_3DES = 1;
486 break;
487 #if IMB_VERSION(0, 53, 0) <= IMB_VERSION_NUM
488 case RTE_CRYPTO_CIPHER_AES_ECB:
489 sess->cipher.mode = ECB;
490 is_aes = 1;
491 break;
492 #endif
493 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
494 case RTE_CRYPTO_CIPHER_ZUC_EEA3:
495 sess->cipher.mode = IMB_CIPHER_ZUC_EEA3;
496 is_zuc = 1;
497 break;
498 case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
499 sess->cipher.mode = IMB_CIPHER_SNOW3G_UEA2_BITLEN;
500 is_snow3g = 1;
501 break;
502 case RTE_CRYPTO_CIPHER_KASUMI_F8:
503 sess->cipher.mode = IMB_CIPHER_KASUMI_UEA1_BITLEN;
504 is_kasumi = 1;
505 break;
506 #endif
507 default:
508 AESNI_MB_LOG(ERR, "Unsupported cipher mode parameter");
509 return -ENOTSUP;
510 }
511
512 /* Set IV parameters */
513 sess->iv.offset = xform->cipher.iv.offset;
514 sess->iv.length = xform->cipher.iv.length;
515
516 /* Check key length and choose key expansion function for AES */
517 if (is_aes) {
518 switch (xform->cipher.key.length) {
519 case AES_128_BYTES:
520 sess->cipher.key_length_in_bytes = AES_128_BYTES;
521 IMB_AES_KEYEXP_128(mb_mgr, xform->cipher.key.data,
522 sess->cipher.expanded_aes_keys.encode,
523 sess->cipher.expanded_aes_keys.decode);
524 break;
525 case AES_192_BYTES:
526 sess->cipher.key_length_in_bytes = AES_192_BYTES;
527 IMB_AES_KEYEXP_192(mb_mgr, xform->cipher.key.data,
528 sess->cipher.expanded_aes_keys.encode,
529 sess->cipher.expanded_aes_keys.decode);
530 break;
531 case AES_256_BYTES:
532 sess->cipher.key_length_in_bytes = AES_256_BYTES;
533 IMB_AES_KEYEXP_256(mb_mgr, xform->cipher.key.data,
534 sess->cipher.expanded_aes_keys.encode,
535 sess->cipher.expanded_aes_keys.decode);
536 break;
537 default:
538 AESNI_MB_LOG(ERR, "Invalid cipher key length");
539 return -EINVAL;
540 }
541 } else if (is_docsis) {
542 switch (xform->cipher.key.length) {
543 case AES_128_BYTES:
544 sess->cipher.key_length_in_bytes = AES_128_BYTES;
545 IMB_AES_KEYEXP_128(mb_mgr, xform->cipher.key.data,
546 sess->cipher.expanded_aes_keys.encode,
547 sess->cipher.expanded_aes_keys.decode);
548 break;
549 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
550 case AES_256_BYTES:
551 sess->cipher.key_length_in_bytes = AES_256_BYTES;
552 IMB_AES_KEYEXP_256(mb_mgr, xform->cipher.key.data,
553 sess->cipher.expanded_aes_keys.encode,
554 sess->cipher.expanded_aes_keys.decode);
555 break;
556 #endif
557 default:
558 AESNI_MB_LOG(ERR, "Invalid cipher key length");
559 return -EINVAL;
560 }
561 } else if (is_3DES) {
562 uint64_t *keys[3] = {sess->cipher.exp_3des_keys.key[0],
563 sess->cipher.exp_3des_keys.key[1],
564 sess->cipher.exp_3des_keys.key[2]};
565
566 switch (xform->cipher.key.length) {
567 case 24:
568 IMB_DES_KEYSCHED(mb_mgr, keys[0],
569 xform->cipher.key.data);
570 IMB_DES_KEYSCHED(mb_mgr, keys[1],
571 xform->cipher.key.data + 8);
572 IMB_DES_KEYSCHED(mb_mgr, keys[2],
573 xform->cipher.key.data + 16);
574
575 /* Initialize keys - 24 bytes: [K1-K2-K3] */
576 sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
577 sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
578 sess->cipher.exp_3des_keys.ks_ptr[2] = keys[2];
579 break;
580 case 16:
581 IMB_DES_KEYSCHED(mb_mgr, keys[0],
582 xform->cipher.key.data);
583 IMB_DES_KEYSCHED(mb_mgr, keys[1],
584 xform->cipher.key.data + 8);
585 /* Initialize keys - 16 bytes: [K1=K1,K2=K2,K3=K1] */
586 sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
587 sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
588 sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
589 break;
590 case 8:
591 IMB_DES_KEYSCHED(mb_mgr, keys[0],
592 xform->cipher.key.data);
593
594 /* Initialize keys - 8 bytes: [K1 = K2 = K3] */
595 sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
596 sess->cipher.exp_3des_keys.ks_ptr[1] = keys[0];
597 sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
598 break;
599 default:
600 AESNI_MB_LOG(ERR, "Invalid cipher key length");
601 return -EINVAL;
602 }
603
604 sess->cipher.key_length_in_bytes = 24;
605 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
606 } else if (is_zuc) {
607 if (xform->cipher.key.length != 16) {
608 AESNI_MB_LOG(ERR, "Invalid cipher key length");
609 return -EINVAL;
610 }
611 sess->cipher.key_length_in_bytes = 16;
612 memcpy(sess->cipher.zuc_cipher_key, xform->cipher.key.data,
613 16);
614 } else if (is_snow3g) {
615 if (xform->cipher.key.length != 16) {
616 AESNI_MB_LOG(ERR, "Invalid cipher key length");
617 return -EINVAL;
618 }
619 sess->cipher.key_length_in_bytes = 16;
620 IMB_SNOW3G_INIT_KEY_SCHED(mb_mgr, xform->cipher.key.data,
621 &sess->cipher.pKeySched_snow3g_cipher);
622 } else if (is_kasumi) {
623 if (xform->cipher.key.length != 16) {
624 AESNI_MB_LOG(ERR, "Invalid cipher key length");
625 return -EINVAL;
626 }
627 sess->cipher.key_length_in_bytes = 16;
628 IMB_KASUMI_INIT_F8_KEY_SCHED(mb_mgr, xform->cipher.key.data,
629 &sess->cipher.pKeySched_kasumi_cipher);
630 #endif
631 } else {
632 if (xform->cipher.key.length != 8) {
633 AESNI_MB_LOG(ERR, "Invalid cipher key length");
634 return -EINVAL;
635 }
636 sess->cipher.key_length_in_bytes = 8;
637
638 IMB_DES_KEYSCHED(mb_mgr,
639 (uint64_t *)sess->cipher.expanded_aes_keys.encode,
640 xform->cipher.key.data);
641 IMB_DES_KEYSCHED(mb_mgr,
642 (uint64_t *)sess->cipher.expanded_aes_keys.decode,
643 xform->cipher.key.data);
644 }
645
646 return 0;
647 }
648
649 static int
aesni_mb_set_session_aead_parameters(const MB_MGR * mb_mgr,struct aesni_mb_session * sess,const struct rte_crypto_sym_xform * xform)650 aesni_mb_set_session_aead_parameters(const MB_MGR *mb_mgr,
651 struct aesni_mb_session *sess,
652 const struct rte_crypto_sym_xform *xform)
653 {
654 switch (xform->aead.op) {
655 case RTE_CRYPTO_AEAD_OP_ENCRYPT:
656 sess->cipher.direction = ENCRYPT;
657 sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
658 break;
659 case RTE_CRYPTO_AEAD_OP_DECRYPT:
660 sess->cipher.direction = DECRYPT;
661 sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
662 break;
663 default:
664 AESNI_MB_LOG(ERR, "Invalid aead operation parameter");
665 return -EINVAL;
666 }
667
668 /* Set IV parameters */
669 sess->iv.offset = xform->aead.iv.offset;
670 sess->iv.length = xform->aead.iv.length;
671
672 /* Set digest sizes */
673 sess->auth.req_digest_len = xform->aead.digest_length;
674 sess->auth.gen_digest_len = sess->auth.req_digest_len;
675
676 switch (xform->aead.algo) {
677 case RTE_CRYPTO_AEAD_AES_CCM:
678 sess->cipher.mode = CCM;
679 sess->auth.algo = AES_CCM;
680
681 /* Check key length and choose key expansion function for AES */
682 switch (xform->aead.key.length) {
683 case AES_128_BYTES:
684 sess->cipher.key_length_in_bytes = AES_128_BYTES;
685 IMB_AES_KEYEXP_128(mb_mgr, xform->aead.key.data,
686 sess->cipher.expanded_aes_keys.encode,
687 sess->cipher.expanded_aes_keys.decode);
688 break;
689 case AES_256_BYTES:
690 sess->cipher.key_length_in_bytes = AES_256_BYTES;
691 IMB_AES_KEYEXP_256(mb_mgr, xform->aead.key.data,
692 sess->cipher.expanded_aes_keys.encode,
693 sess->cipher.expanded_aes_keys.decode);
694 break;
695 default:
696 AESNI_MB_LOG(ERR, "Invalid cipher key length");
697 return -EINVAL;
698 }
699
700 /* CCM digests must be between 4 and 16 and an even number */
701 if (sess->auth.req_digest_len < AES_CCM_DIGEST_MIN_LEN ||
702 sess->auth.req_digest_len > AES_CCM_DIGEST_MAX_LEN ||
703 (sess->auth.req_digest_len & 1) == 1) {
704 AESNI_MB_LOG(ERR, "Invalid digest size\n");
705 return -EINVAL;
706 }
707 break;
708
709 case RTE_CRYPTO_AEAD_AES_GCM:
710 sess->cipher.mode = GCM;
711 sess->auth.algo = AES_GMAC;
712
713 switch (xform->aead.key.length) {
714 case AES_128_BYTES:
715 sess->cipher.key_length_in_bytes = AES_128_BYTES;
716 IMB_AES128_GCM_PRE(mb_mgr, xform->aead.key.data,
717 &sess->cipher.gcm_key);
718 break;
719 case AES_192_BYTES:
720 sess->cipher.key_length_in_bytes = AES_192_BYTES;
721 IMB_AES192_GCM_PRE(mb_mgr, xform->aead.key.data,
722 &sess->cipher.gcm_key);
723 break;
724 case AES_256_BYTES:
725 sess->cipher.key_length_in_bytes = AES_256_BYTES;
726 IMB_AES256_GCM_PRE(mb_mgr, xform->aead.key.data,
727 &sess->cipher.gcm_key);
728 break;
729 default:
730 AESNI_MB_LOG(ERR, "Invalid cipher key length");
731 return -EINVAL;
732 }
733
734 /* GCM digest size must be between 1 and 16 */
735 if (sess->auth.req_digest_len == 0 ||
736 sess->auth.req_digest_len > 16) {
737 AESNI_MB_LOG(ERR, "Invalid digest size\n");
738 return -EINVAL;
739 }
740 break;
741
742 #if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
743 case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
744 sess->cipher.mode = IMB_CIPHER_CHACHA20_POLY1305;
745 sess->auth.algo = IMB_AUTH_CHACHA20_POLY1305;
746
747 if (xform->aead.key.length != 32) {
748 AESNI_MB_LOG(ERR, "Invalid key length");
749 return -EINVAL;
750 }
751 sess->cipher.key_length_in_bytes = 32;
752 memcpy(sess->cipher.expanded_aes_keys.encode,
753 xform->aead.key.data, 32);
754 if (sess->auth.req_digest_len != 16) {
755 AESNI_MB_LOG(ERR, "Invalid digest size\n");
756 return -EINVAL;
757 }
758 break;
759 #endif
760 default:
761 AESNI_MB_LOG(ERR, "Unsupported aead mode parameter");
762 return -ENOTSUP;
763 }
764
765 return 0;
766 }
767
768 /** Parse crypto xform chain and set private session parameters */
769 int
aesni_mb_set_session_parameters(const MB_MGR * mb_mgr,struct aesni_mb_session * sess,const struct rte_crypto_sym_xform * xform)770 aesni_mb_set_session_parameters(const MB_MGR *mb_mgr,
771 struct aesni_mb_session *sess,
772 const struct rte_crypto_sym_xform *xform)
773 {
774 const struct rte_crypto_sym_xform *auth_xform = NULL;
775 const struct rte_crypto_sym_xform *cipher_xform = NULL;
776 const struct rte_crypto_sym_xform *aead_xform = NULL;
777 int ret;
778
779 /* Select Crypto operation - hash then cipher / cipher then hash */
780 switch (aesni_mb_get_chain_order(xform)) {
781 case AESNI_MB_OP_HASH_CIPHER:
782 sess->chain_order = HASH_CIPHER;
783 auth_xform = xform;
784 cipher_xform = xform->next;
785 break;
786 case AESNI_MB_OP_CIPHER_HASH:
787 sess->chain_order = CIPHER_HASH;
788 auth_xform = xform->next;
789 cipher_xform = xform;
790 break;
791 case AESNI_MB_OP_HASH_ONLY:
792 sess->chain_order = HASH_CIPHER;
793 auth_xform = xform;
794 cipher_xform = NULL;
795 break;
796 case AESNI_MB_OP_CIPHER_ONLY:
797 /*
798 * Multi buffer library operates only at two modes,
799 * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
800 * chain order depends on cipher operation: encryption is always
801 * the first operation and decryption the last one.
802 */
803 if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
804 sess->chain_order = CIPHER_HASH;
805 else
806 sess->chain_order = HASH_CIPHER;
807 auth_xform = NULL;
808 cipher_xform = xform;
809 break;
810 case AESNI_MB_OP_AEAD_CIPHER_HASH:
811 sess->chain_order = CIPHER_HASH;
812 sess->aead.aad_len = xform->aead.aad_length;
813 aead_xform = xform;
814 break;
815 case AESNI_MB_OP_AEAD_HASH_CIPHER:
816 sess->chain_order = HASH_CIPHER;
817 sess->aead.aad_len = xform->aead.aad_length;
818 aead_xform = xform;
819 break;
820 case AESNI_MB_OP_NOT_SUPPORTED:
821 default:
822 AESNI_MB_LOG(ERR, "Unsupported operation chain order parameter");
823 return -ENOTSUP;
824 }
825
826 /* Default IV length = 0 */
827 sess->iv.length = 0;
828 sess->auth_iv.length = 0;
829
830 ret = aesni_mb_set_session_auth_parameters(mb_mgr, sess, auth_xform);
831 if (ret != 0) {
832 AESNI_MB_LOG(ERR, "Invalid/unsupported authentication parameters");
833 return ret;
834 }
835
836 ret = aesni_mb_set_session_cipher_parameters(mb_mgr, sess,
837 cipher_xform);
838 if (ret != 0) {
839 AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters");
840 return ret;
841 }
842
843 if (aead_xform) {
844 ret = aesni_mb_set_session_aead_parameters(mb_mgr, sess,
845 aead_xform);
846 if (ret != 0) {
847 AESNI_MB_LOG(ERR, "Invalid/unsupported aead parameters");
848 return ret;
849 }
850 }
851
852 return 0;
853 }
854
855 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
856 /** Check DOCSIS security session configuration is valid */
857 static int
check_docsis_sec_session(struct rte_security_session_conf * conf)858 check_docsis_sec_session(struct rte_security_session_conf *conf)
859 {
860 struct rte_crypto_sym_xform *crypto_sym = conf->crypto_xform;
861 struct rte_security_docsis_xform *docsis = &conf->docsis;
862
863 /* Downlink: CRC generate -> Cipher encrypt */
864 if (docsis->direction == RTE_SECURITY_DOCSIS_DOWNLINK) {
865
866 if (crypto_sym != NULL &&
867 crypto_sym->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
868 crypto_sym->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
869 crypto_sym->cipher.algo ==
870 RTE_CRYPTO_CIPHER_AES_DOCSISBPI &&
871 (crypto_sym->cipher.key.length == IMB_KEY_AES_128_BYTES ||
872 crypto_sym->cipher.key.length == IMB_KEY_AES_256_BYTES) &&
873 crypto_sym->cipher.iv.length == AES_BLOCK_SIZE &&
874 crypto_sym->next == NULL) {
875 return 0;
876 }
877 /* Uplink: Cipher decrypt -> CRC verify */
878 } else if (docsis->direction == RTE_SECURITY_DOCSIS_UPLINK) {
879
880 if (crypto_sym != NULL &&
881 crypto_sym->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
882 crypto_sym->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
883 crypto_sym->cipher.algo ==
884 RTE_CRYPTO_CIPHER_AES_DOCSISBPI &&
885 (crypto_sym->cipher.key.length == IMB_KEY_AES_128_BYTES ||
886 crypto_sym->cipher.key.length == IMB_KEY_AES_256_BYTES) &&
887 crypto_sym->cipher.iv.length == AES_BLOCK_SIZE &&
888 crypto_sym->next == NULL) {
889 return 0;
890 }
891 }
892
893 return -EINVAL;
894 }
895
896 /** Set DOCSIS security session auth (CRC) parameters */
897 static int
aesni_mb_set_docsis_sec_session_auth_parameters(struct aesni_mb_session * sess,struct rte_security_docsis_xform * xform)898 aesni_mb_set_docsis_sec_session_auth_parameters(struct aesni_mb_session *sess,
899 struct rte_security_docsis_xform *xform)
900 {
901 if (xform == NULL) {
902 AESNI_MB_LOG(ERR, "Invalid DOCSIS xform");
903 return -EINVAL;
904 }
905
906 /* Select CRC generate/verify */
907 if (xform->direction == RTE_SECURITY_DOCSIS_UPLINK) {
908 sess->auth.algo = IMB_AUTH_DOCSIS_CRC32;
909 sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
910 } else if (xform->direction == RTE_SECURITY_DOCSIS_DOWNLINK) {
911 sess->auth.algo = IMB_AUTH_DOCSIS_CRC32;
912 sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
913 } else {
914 AESNI_MB_LOG(ERR, "Unsupported DOCSIS direction");
915 return -ENOTSUP;
916 }
917
918 sess->auth.req_digest_len = RTE_ETHER_CRC_LEN;
919 sess->auth.gen_digest_len = RTE_ETHER_CRC_LEN;
920
921 return 0;
922 }
923
924 /**
925 * Parse DOCSIS security session configuration and set private session
926 * parameters
927 */
928 int
aesni_mb_set_docsis_sec_session_parameters(__rte_unused struct rte_cryptodev * dev,struct rte_security_session_conf * conf,void * sess)929 aesni_mb_set_docsis_sec_session_parameters(
930 __rte_unused struct rte_cryptodev *dev,
931 struct rte_security_session_conf *conf,
932 void *sess)
933 {
934 struct rte_security_docsis_xform *docsis_xform;
935 struct rte_crypto_sym_xform *cipher_xform;
936 struct aesni_mb_session *aesni_sess = sess;
937 struct aesni_mb_private *internals = dev->data->dev_private;
938 int ret;
939
940 ret = check_docsis_sec_session(conf);
941 if (ret) {
942 AESNI_MB_LOG(ERR, "Unsupported DOCSIS security configuration");
943 return ret;
944 }
945
946 switch (conf->docsis.direction) {
947 case RTE_SECURITY_DOCSIS_UPLINK:
948 aesni_sess->chain_order = IMB_ORDER_CIPHER_HASH;
949 docsis_xform = &conf->docsis;
950 cipher_xform = conf->crypto_xform;
951 break;
952 case RTE_SECURITY_DOCSIS_DOWNLINK:
953 aesni_sess->chain_order = IMB_ORDER_HASH_CIPHER;
954 cipher_xform = conf->crypto_xform;
955 docsis_xform = &conf->docsis;
956 break;
957 default:
958 return -EINVAL;
959 }
960
961 /* Default IV length = 0 */
962 aesni_sess->iv.length = 0;
963
964 ret = aesni_mb_set_docsis_sec_session_auth_parameters(aesni_sess,
965 docsis_xform);
966 if (ret != 0) {
967 AESNI_MB_LOG(ERR, "Invalid/unsupported DOCSIS parameters");
968 return -EINVAL;
969 }
970
971 ret = aesni_mb_set_session_cipher_parameters(internals->mb_mgr,
972 aesni_sess, cipher_xform);
973
974 if (ret != 0) {
975 AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters");
976 return -EINVAL;
977 }
978
979 return 0;
980 }
981 #endif
982
983 /**
984 * burst enqueue, place crypto operations on ingress queue for processing.
985 *
986 * @param __qp Queue Pair to process
987 * @param ops Crypto operations for processing
988 * @param nb_ops Number of crypto operations for processing
989 *
990 * @return
991 * - Number of crypto operations enqueued
992 */
993 static uint16_t
aesni_mb_pmd_enqueue_burst(void * __qp,struct rte_crypto_op ** ops,uint16_t nb_ops)994 aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops,
995 uint16_t nb_ops)
996 {
997 struct aesni_mb_qp *qp = __qp;
998
999 unsigned int nb_enqueued;
1000
1001 nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue,
1002 (void **)ops, nb_ops, NULL);
1003
1004 qp->stats.enqueued_count += nb_enqueued;
1005
1006 return nb_enqueued;
1007 }
1008
1009 /** Get multi buffer session */
1010 static inline struct aesni_mb_session *
get_session(struct aesni_mb_qp * qp,struct rte_crypto_op * op)1011 get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
1012 {
1013 struct aesni_mb_session *sess = NULL;
1014
1015 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
1016 if (likely(op->sym->session != NULL))
1017 sess = (struct aesni_mb_session *)
1018 get_sym_session_private_data(
1019 op->sym->session,
1020 cryptodev_driver_id);
1021 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
1022 } else if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
1023 if (likely(op->sym->sec_session != NULL))
1024 sess = (struct aesni_mb_session *)
1025 get_sec_session_private_data(
1026 op->sym->sec_session);
1027 #endif
1028 } else {
1029 void *_sess = rte_cryptodev_sym_session_create(qp->sess_mp);
1030 void *_sess_private_data = NULL;
1031
1032 if (_sess == NULL)
1033 return NULL;
1034
1035 if (rte_mempool_get(qp->sess_mp_priv,
1036 (void **)&_sess_private_data))
1037 return NULL;
1038
1039 sess = (struct aesni_mb_session *)_sess_private_data;
1040
1041 if (unlikely(aesni_mb_set_session_parameters(qp->mb_mgr,
1042 sess, op->sym->xform) != 0)) {
1043 rte_mempool_put(qp->sess_mp, _sess);
1044 rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
1045 sess = NULL;
1046 }
1047 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
1048 set_sym_session_private_data(op->sym->session,
1049 cryptodev_driver_id, _sess_private_data);
1050 }
1051
1052 if (unlikely(sess == NULL))
1053 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
1054
1055 return sess;
1056 }
1057
1058 static inline uint64_t
auth_start_offset(struct rte_crypto_op * op,struct aesni_mb_session * session,uint32_t oop)1059 auth_start_offset(struct rte_crypto_op *op, struct aesni_mb_session *session,
1060 uint32_t oop)
1061 {
1062 struct rte_mbuf *m_src, *m_dst;
1063 uint8_t *p_src, *p_dst;
1064 uintptr_t u_src, u_dst;
1065 uint32_t cipher_end, auth_end;
1066
1067 /* Only cipher then hash needs special calculation. */
1068 if (!oop || session->chain_order != CIPHER_HASH)
1069 return op->sym->auth.data.offset;
1070
1071 m_src = op->sym->m_src;
1072 m_dst = op->sym->m_dst;
1073
1074 p_src = rte_pktmbuf_mtod(m_src, uint8_t *);
1075 p_dst = rte_pktmbuf_mtod(m_dst, uint8_t *);
1076 u_src = (uintptr_t)p_src;
1077 u_dst = (uintptr_t)p_dst + op->sym->auth.data.offset;
1078
1079 /**
1080 * Copy the content between cipher offset and auth offset for generating
1081 * correct digest.
1082 */
1083 if (op->sym->cipher.data.offset > op->sym->auth.data.offset)
1084 memcpy(p_dst + op->sym->auth.data.offset,
1085 p_src + op->sym->auth.data.offset,
1086 op->sym->cipher.data.offset -
1087 op->sym->auth.data.offset);
1088
1089 /**
1090 * Copy the content between (cipher offset + length) and (auth offset +
1091 * length) for generating correct digest
1092 */
1093 cipher_end = op->sym->cipher.data.offset + op->sym->cipher.data.length;
1094 auth_end = op->sym->auth.data.offset + op->sym->auth.data.length;
1095 if (cipher_end < auth_end)
1096 memcpy(p_dst + cipher_end, p_src + cipher_end,
1097 auth_end - cipher_end);
1098
1099 /**
1100 * Since intel-ipsec-mb only supports positive values,
1101 * we need to deduct the correct offset between src and dst.
1102 */
1103
1104 return u_src < u_dst ? (u_dst - u_src) :
1105 (UINT64_MAX - u_src + u_dst + 1);
1106 }
1107
1108 static inline void
set_cpu_mb_job_params(JOB_AES_HMAC * job,struct aesni_mb_session * session,union rte_crypto_sym_ofs sofs,void * buf,uint32_t len,struct rte_crypto_va_iova_ptr * iv,struct rte_crypto_va_iova_ptr * aad,void * digest,void * udata)1109 set_cpu_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_session *session,
1110 union rte_crypto_sym_ofs sofs, void *buf, uint32_t len,
1111 struct rte_crypto_va_iova_ptr *iv,
1112 struct rte_crypto_va_iova_ptr *aad, void *digest, void *udata)
1113 {
1114 /* Set crypto operation */
1115 job->chain_order = session->chain_order;
1116
1117 /* Set cipher parameters */
1118 job->cipher_direction = session->cipher.direction;
1119 job->cipher_mode = session->cipher.mode;
1120
1121 job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
1122
1123 /* Set authentication parameters */
1124 job->hash_alg = session->auth.algo;
1125 job->iv = iv->va;
1126
1127 switch (job->hash_alg) {
1128 case AES_XCBC:
1129 job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded;
1130 job->u.XCBC._k2 = session->auth.xcbc.k2;
1131 job->u.XCBC._k3 = session->auth.xcbc.k3;
1132
1133 job->aes_enc_key_expanded =
1134 session->cipher.expanded_aes_keys.encode;
1135 job->aes_dec_key_expanded =
1136 session->cipher.expanded_aes_keys.decode;
1137 break;
1138
1139 case AES_CCM:
1140 job->u.CCM.aad = (uint8_t *)aad->va + 18;
1141 job->u.CCM.aad_len_in_bytes = session->aead.aad_len;
1142 job->aes_enc_key_expanded =
1143 session->cipher.expanded_aes_keys.encode;
1144 job->aes_dec_key_expanded =
1145 session->cipher.expanded_aes_keys.decode;
1146 job->iv++;
1147 break;
1148
1149 case AES_CMAC:
1150 job->u.CMAC._key_expanded = session->auth.cmac.expkey;
1151 job->u.CMAC._skey1 = session->auth.cmac.skey1;
1152 job->u.CMAC._skey2 = session->auth.cmac.skey2;
1153 job->aes_enc_key_expanded =
1154 session->cipher.expanded_aes_keys.encode;
1155 job->aes_dec_key_expanded =
1156 session->cipher.expanded_aes_keys.decode;
1157 break;
1158
1159 case AES_GMAC:
1160 if (session->cipher.mode == GCM) {
1161 job->u.GCM.aad = aad->va;
1162 job->u.GCM.aad_len_in_bytes = session->aead.aad_len;
1163 } else {
1164 /* For GMAC */
1165 job->u.GCM.aad = buf;
1166 job->u.GCM.aad_len_in_bytes = len;
1167 job->cipher_mode = GCM;
1168 }
1169 job->aes_enc_key_expanded = &session->cipher.gcm_key;
1170 job->aes_dec_key_expanded = &session->cipher.gcm_key;
1171 break;
1172
1173 #if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
1174 case IMB_AUTH_CHACHA20_POLY1305:
1175 job->u.CHACHA20_POLY1305.aad = aad->va;
1176 job->u.CHACHA20_POLY1305.aad_len_in_bytes = session->aead.aad_len;
1177 job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
1178 job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.encode;
1179 break;
1180 #endif
1181 default:
1182 job->u.HMAC._hashed_auth_key_xor_ipad =
1183 session->auth.pads.inner;
1184 job->u.HMAC._hashed_auth_key_xor_opad =
1185 session->auth.pads.outer;
1186
1187 if (job->cipher_mode == DES3) {
1188 job->aes_enc_key_expanded =
1189 session->cipher.exp_3des_keys.ks_ptr;
1190 job->aes_dec_key_expanded =
1191 session->cipher.exp_3des_keys.ks_ptr;
1192 } else {
1193 job->aes_enc_key_expanded =
1194 session->cipher.expanded_aes_keys.encode;
1195 job->aes_dec_key_expanded =
1196 session->cipher.expanded_aes_keys.decode;
1197 }
1198 }
1199
1200 /*
1201 * Multi-buffer library current only support returning a truncated
1202 * digest length as specified in the relevant IPsec RFCs
1203 */
1204
1205 /* Set digest location and length */
1206 job->auth_tag_output = digest;
1207 job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len;
1208
1209 /* Set IV parameters */
1210 job->iv_len_in_bytes = session->iv.length;
1211
1212 /* Data Parameters */
1213 job->src = buf;
1214 job->dst = (uint8_t *)buf + sofs.ofs.cipher.head;
1215 job->cipher_start_src_offset_in_bytes = sofs.ofs.cipher.head;
1216 job->hash_start_src_offset_in_bytes = sofs.ofs.auth.head;
1217 if (job->hash_alg == AES_GMAC && session->cipher.mode != GCM) {
1218 job->msg_len_to_hash_in_bytes = 0;
1219 job->msg_len_to_cipher_in_bytes = 0;
1220 } else {
1221 job->msg_len_to_hash_in_bytes = len - sofs.ofs.auth.head -
1222 sofs.ofs.auth.tail;
1223 job->msg_len_to_cipher_in_bytes = len - sofs.ofs.cipher.head -
1224 sofs.ofs.cipher.tail;
1225 }
1226
1227 job->user_data = udata;
1228 }
1229
1230 /**
1231 * Process a crypto operation and complete a JOB_AES_HMAC job structure for
1232 * submission to the multi buffer library for processing.
1233 *
1234 * @param qp queue pair
1235 * @param job JOB_AES_HMAC structure to fill
1236 * @param m mbuf to process
1237 *
1238 * @return
1239 * - Completed JOB_AES_HMAC structure pointer on success
1240 * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
1241 */
1242 static inline int
set_mb_job_params(JOB_AES_HMAC * job,struct aesni_mb_qp * qp,struct rte_crypto_op * op,uint8_t * digest_idx)1243 set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
1244 struct rte_crypto_op *op, uint8_t *digest_idx)
1245 {
1246 struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
1247 struct aesni_mb_session *session;
1248 uint32_t m_offset, oop;
1249
1250 session = get_session(qp, op);
1251 if (session == NULL) {
1252 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
1253 return -1;
1254 }
1255
1256 /* Set crypto operation */
1257 job->chain_order = session->chain_order;
1258
1259 /* Set cipher parameters */
1260 job->cipher_direction = session->cipher.direction;
1261 job->cipher_mode = session->cipher.mode;
1262
1263 job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
1264
1265 /* Set authentication parameters */
1266 job->hash_alg = session->auth.algo;
1267
1268 const int aead = is_aead_algo(job->hash_alg, job->cipher_mode);
1269
1270 switch (job->hash_alg) {
1271 case AES_XCBC:
1272 job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded;
1273 job->u.XCBC._k2 = session->auth.xcbc.k2;
1274 job->u.XCBC._k3 = session->auth.xcbc.k3;
1275
1276 job->aes_enc_key_expanded =
1277 session->cipher.expanded_aes_keys.encode;
1278 job->aes_dec_key_expanded =
1279 session->cipher.expanded_aes_keys.decode;
1280 break;
1281
1282 case AES_CCM:
1283 job->u.CCM.aad = op->sym->aead.aad.data + 18;
1284 job->u.CCM.aad_len_in_bytes = session->aead.aad_len;
1285 job->aes_enc_key_expanded =
1286 session->cipher.expanded_aes_keys.encode;
1287 job->aes_dec_key_expanded =
1288 session->cipher.expanded_aes_keys.decode;
1289 break;
1290
1291 case AES_CMAC:
1292 job->u.CMAC._key_expanded = session->auth.cmac.expkey;
1293 job->u.CMAC._skey1 = session->auth.cmac.skey1;
1294 job->u.CMAC._skey2 = session->auth.cmac.skey2;
1295 job->aes_enc_key_expanded =
1296 session->cipher.expanded_aes_keys.encode;
1297 job->aes_dec_key_expanded =
1298 session->cipher.expanded_aes_keys.decode;
1299 break;
1300
1301 case AES_GMAC:
1302 if (session->cipher.mode == GCM) {
1303 job->u.GCM.aad = op->sym->aead.aad.data;
1304 job->u.GCM.aad_len_in_bytes = session->aead.aad_len;
1305 } else {
1306 /* For GMAC */
1307 job->u.GCM.aad = rte_pktmbuf_mtod_offset(m_src,
1308 uint8_t *, op->sym->auth.data.offset);
1309 job->u.GCM.aad_len_in_bytes = op->sym->auth.data.length;
1310 job->cipher_mode = GCM;
1311 }
1312 job->aes_enc_key_expanded = &session->cipher.gcm_key;
1313 job->aes_dec_key_expanded = &session->cipher.gcm_key;
1314 break;
1315 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
1316 case IMB_AUTH_ZUC_EIA3_BITLEN:
1317 job->u.ZUC_EIA3._key = session->auth.zuc_auth_key;
1318 job->u.ZUC_EIA3._iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1319 session->auth_iv.offset);
1320 break;
1321 case IMB_AUTH_SNOW3G_UIA2_BITLEN:
1322 job->u.SNOW3G_UIA2._key = (void *) &session->auth.pKeySched_snow3g_auth;
1323 job->u.SNOW3G_UIA2._iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1324 session->auth_iv.offset);
1325 break;
1326 case IMB_AUTH_KASUMI_UIA1:
1327 job->u.KASUMI_UIA1._key = (void *) &session->auth.pKeySched_kasumi_auth;
1328 break;
1329 #endif
1330 #if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
1331 case IMB_AUTH_CHACHA20_POLY1305:
1332 job->u.CHACHA20_POLY1305.aad = op->sym->aead.aad.data;
1333 job->u.CHACHA20_POLY1305.aad_len_in_bytes = session->aead.aad_len;
1334 job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
1335 job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.encode;
1336 break;
1337 #endif
1338 default:
1339 job->u.HMAC._hashed_auth_key_xor_ipad = session->auth.pads.inner;
1340 job->u.HMAC._hashed_auth_key_xor_opad = session->auth.pads.outer;
1341
1342 if (job->cipher_mode == DES3) {
1343 job->aes_enc_key_expanded =
1344 session->cipher.exp_3des_keys.ks_ptr;
1345 job->aes_dec_key_expanded =
1346 session->cipher.exp_3des_keys.ks_ptr;
1347 } else {
1348 job->aes_enc_key_expanded =
1349 session->cipher.expanded_aes_keys.encode;
1350 job->aes_dec_key_expanded =
1351 session->cipher.expanded_aes_keys.decode;
1352 }
1353 }
1354
1355 if (aead)
1356 m_offset = op->sym->aead.data.offset;
1357 else
1358 m_offset = op->sym->cipher.data.offset;
1359
1360 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
1361 if (job->cipher_mode == IMB_CIPHER_ZUC_EEA3) {
1362 job->aes_enc_key_expanded = session->cipher.zuc_cipher_key;
1363 job->aes_dec_key_expanded = session->cipher.zuc_cipher_key;
1364 } else if (job->cipher_mode == IMB_CIPHER_SNOW3G_UEA2_BITLEN) {
1365 job->enc_keys = &session->cipher.pKeySched_snow3g_cipher;
1366 m_offset = 0;
1367 } else if (job->cipher_mode == IMB_CIPHER_KASUMI_UEA1_BITLEN) {
1368 job->enc_keys = &session->cipher.pKeySched_kasumi_cipher;
1369 m_offset = 0;
1370 }
1371 #endif
1372
1373 if (!op->sym->m_dst) {
1374 /* in-place operation */
1375 m_dst = m_src;
1376 oop = 0;
1377 } else if (op->sym->m_dst == op->sym->m_src) {
1378 /* in-place operation */
1379 m_dst = m_src;
1380 oop = 0;
1381 } else {
1382 /* out-of-place operation */
1383 m_dst = op->sym->m_dst;
1384 oop = 1;
1385 }
1386
1387 /* Set digest output location */
1388 if (job->hash_alg != NULL_HASH &&
1389 session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
1390 job->auth_tag_output = qp->temp_digests[*digest_idx];
1391 *digest_idx = (*digest_idx + 1) % MAX_JOBS;
1392 } else {
1393 if (aead)
1394 job->auth_tag_output = op->sym->aead.digest.data;
1395 else
1396 job->auth_tag_output = op->sym->auth.digest.data;
1397
1398 if (session->auth.req_digest_len != session->auth.gen_digest_len) {
1399 job->auth_tag_output = qp->temp_digests[*digest_idx];
1400 *digest_idx = (*digest_idx + 1) % MAX_JOBS;
1401 }
1402 }
1403 /*
1404 * Multi-buffer library current only support returning a truncated
1405 * digest length as specified in the relevant IPsec RFCs
1406 */
1407
1408 /* Set digest length */
1409 job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len;
1410
1411 /* Set IV parameters */
1412 job->iv_len_in_bytes = session->iv.length;
1413
1414 /* Data Parameters */
1415 job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
1416 job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
1417
1418 switch (job->hash_alg) {
1419 case AES_CCM:
1420 job->cipher_start_src_offset_in_bytes =
1421 op->sym->aead.data.offset;
1422 job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length;
1423 job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
1424 job->msg_len_to_hash_in_bytes = op->sym->aead.data.length;
1425
1426 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1427 session->iv.offset + 1);
1428 break;
1429
1430 case AES_GMAC:
1431 if (session->cipher.mode == GCM) {
1432 job->cipher_start_src_offset_in_bytes =
1433 op->sym->aead.data.offset;
1434 job->hash_start_src_offset_in_bytes =
1435 op->sym->aead.data.offset;
1436 job->msg_len_to_cipher_in_bytes =
1437 op->sym->aead.data.length;
1438 job->msg_len_to_hash_in_bytes =
1439 op->sym->aead.data.length;
1440 } else {
1441 job->cipher_start_src_offset_in_bytes =
1442 op->sym->auth.data.offset;
1443 job->hash_start_src_offset_in_bytes =
1444 op->sym->auth.data.offset;
1445 job->msg_len_to_cipher_in_bytes = 0;
1446 job->msg_len_to_hash_in_bytes = 0;
1447 }
1448
1449 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1450 session->iv.offset);
1451 break;
1452
1453 #if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
1454 case IMB_AUTH_CHACHA20_POLY1305:
1455 job->cipher_start_src_offset_in_bytes = op->sym->aead.data.offset;
1456 job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
1457 job->msg_len_to_cipher_in_bytes =
1458 op->sym->aead.data.length;
1459 job->msg_len_to_hash_in_bytes =
1460 op->sym->aead.data.length;
1461
1462 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1463 session->iv.offset);
1464 break;
1465 #endif
1466 default:
1467 /* For SNOW3G, length and offsets are already in bits */
1468 job->cipher_start_src_offset_in_bytes =
1469 op->sym->cipher.data.offset;
1470 job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
1471
1472 job->hash_start_src_offset_in_bytes = auth_start_offset(op,
1473 session, oop);
1474 job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
1475
1476 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1477 session->iv.offset);
1478 }
1479
1480 #if IMB_VERSION(0, 53, 3) <= IMB_VERSION_NUM
1481 if (job->cipher_mode == IMB_CIPHER_ZUC_EEA3)
1482 job->msg_len_to_cipher_in_bytes >>= 3;
1483 else if (job->hash_alg == IMB_AUTH_KASUMI_UIA1)
1484 job->msg_len_to_hash_in_bytes >>= 3;
1485 #endif
1486
1487 /* Set user data to be crypto operation data struct */
1488 job->user_data = op;
1489
1490 return 0;
1491 }
1492
1493 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
1494 /**
1495 * Process a crypto operation containing a security op and complete a
1496 * JOB_AES_HMAC job structure for submission to the multi buffer library for
1497 * processing.
1498 */
1499 static inline int
set_sec_mb_job_params(JOB_AES_HMAC * job,struct aesni_mb_qp * qp,struct rte_crypto_op * op,uint8_t * digest_idx)1500 set_sec_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
1501 struct rte_crypto_op *op, uint8_t *digest_idx)
1502 {
1503 struct rte_mbuf *m_src, *m_dst;
1504 struct rte_crypto_sym_op *sym;
1505 struct aesni_mb_session *session;
1506
1507 session = get_session(qp, op);
1508 if (unlikely(session == NULL)) {
1509 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
1510 return -1;
1511 }
1512
1513 /* Only DOCSIS protocol operations supported now */
1514 if (session->cipher.mode != IMB_CIPHER_DOCSIS_SEC_BPI ||
1515 session->auth.algo != IMB_AUTH_DOCSIS_CRC32) {
1516 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1517 return -1;
1518 }
1519
1520 sym = op->sym;
1521 m_src = sym->m_src;
1522
1523 if (likely(sym->m_dst == NULL || sym->m_dst == m_src)) {
1524 /* in-place operation */
1525 m_dst = m_src;
1526 } else {
1527 /* out-of-place operation not supported */
1528 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1529 return -ENOTSUP;
1530 }
1531
1532 /* Set crypto operation */
1533 job->chain_order = session->chain_order;
1534
1535 /* Set cipher parameters */
1536 job->cipher_direction = session->cipher.direction;
1537 job->cipher_mode = session->cipher.mode;
1538
1539 job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
1540 job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
1541 job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode;
1542
1543 /* Set IV parameters */
1544 job->iv_len_in_bytes = session->iv.length;
1545 job->iv = (uint8_t *)op + session->iv.offset;
1546
1547 /* Set authentication parameters */
1548 job->hash_alg = session->auth.algo;
1549
1550 /* Set digest output location */
1551 job->auth_tag_output = qp->temp_digests[*digest_idx];
1552 *digest_idx = (*digest_idx + 1) % MAX_JOBS;
1553
1554 /* Set digest length */
1555 job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len;
1556
1557 /* Set data parameters */
1558 job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
1559 job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *,
1560 sym->cipher.data.offset);
1561
1562 job->cipher_start_src_offset_in_bytes = sym->cipher.data.offset;
1563 job->msg_len_to_cipher_in_bytes = sym->cipher.data.length;
1564
1565 job->hash_start_src_offset_in_bytes = sym->auth.data.offset;
1566 job->msg_len_to_hash_in_bytes = sym->auth.data.length;
1567
1568 job->user_data = op;
1569
1570 return 0;
1571 }
1572
1573 static inline void
verify_docsis_sec_crc(JOB_AES_HMAC * job,uint8_t * status)1574 verify_docsis_sec_crc(JOB_AES_HMAC *job, uint8_t *status)
1575 {
1576 uint16_t crc_offset;
1577 uint8_t *crc;
1578
1579 if (!job->msg_len_to_hash_in_bytes)
1580 return;
1581
1582 crc_offset = job->hash_start_src_offset_in_bytes +
1583 job->msg_len_to_hash_in_bytes -
1584 job->cipher_start_src_offset_in_bytes;
1585 crc = job->dst + crc_offset;
1586
1587 /* Verify CRC (at the end of the message) */
1588 if (memcmp(job->auth_tag_output, crc, RTE_ETHER_CRC_LEN) != 0)
1589 *status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1590 }
1591 #endif
1592
1593 static inline void
verify_digest(JOB_AES_HMAC * job,void * digest,uint16_t len,uint8_t * status)1594 verify_digest(JOB_AES_HMAC *job, void *digest, uint16_t len, uint8_t *status)
1595 {
1596 /* Verify digest if required */
1597 if (memcmp(job->auth_tag_output, digest, len) != 0)
1598 *status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1599 }
1600
1601 static inline void
generate_digest(JOB_AES_HMAC * job,struct rte_crypto_op * op,struct aesni_mb_session * sess)1602 generate_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op,
1603 struct aesni_mb_session *sess)
1604 {
1605 /* No extra copy needed */
1606 if (likely(sess->auth.req_digest_len == sess->auth.gen_digest_len))
1607 return;
1608
1609 /*
1610 * This can only happen for HMAC, so only digest
1611 * for authentication algos is required
1612 */
1613 memcpy(op->sym->auth.digest.data, job->auth_tag_output,
1614 sess->auth.req_digest_len);
1615 }
1616
1617 /**
1618 * Process a completed job and return rte_mbuf which job processed
1619 *
1620 * @param qp Queue Pair to process
1621 * @param job JOB_AES_HMAC job to process
1622 *
1623 * @return
1624 * - Returns processed crypto operation.
1625 * - Returns NULL on invalid job
1626 */
1627 static inline struct rte_crypto_op *
post_process_mb_job(struct aesni_mb_qp * qp,JOB_AES_HMAC * job)1628 post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
1629 {
1630 struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data;
1631 struct aesni_mb_session *sess = NULL;
1632
1633 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
1634 uint8_t is_docsis_sec = 0;
1635
1636 if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
1637 /*
1638 * Assuming at this point that if it's a security type op, that
1639 * this is for DOCSIS
1640 */
1641 is_docsis_sec = 1;
1642 sess = get_sec_session_private_data(op->sym->sec_session);
1643 } else
1644 #endif
1645 {
1646 sess = get_sym_session_private_data(op->sym->session,
1647 cryptodev_driver_id);
1648 }
1649
1650 if (unlikely(sess == NULL)) {
1651 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
1652 return op;
1653 }
1654
1655 if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) {
1656 switch (job->status) {
1657 case STS_COMPLETED:
1658 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1659
1660 if (job->hash_alg == NULL_HASH)
1661 break;
1662
1663 if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
1664 if (is_aead_algo(job->hash_alg, sess->cipher.mode))
1665 verify_digest(job,
1666 op->sym->aead.digest.data,
1667 sess->auth.req_digest_len,
1668 &op->status);
1669 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
1670 else if (is_docsis_sec)
1671 verify_docsis_sec_crc(job,
1672 &op->status);
1673 #endif
1674 else
1675 verify_digest(job,
1676 op->sym->auth.digest.data,
1677 sess->auth.req_digest_len,
1678 &op->status);
1679 } else
1680 generate_digest(job, op, sess);
1681 break;
1682 default:
1683 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1684 }
1685 }
1686
1687 /* Free session if a session-less crypto op */
1688 if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
1689 memset(sess, 0, sizeof(struct aesni_mb_session));
1690 memset(op->sym->session, 0,
1691 rte_cryptodev_sym_get_existing_header_session_size(
1692 op->sym->session));
1693 rte_mempool_put(qp->sess_mp_priv, sess);
1694 rte_mempool_put(qp->sess_mp, op->sym->session);
1695 op->sym->session = NULL;
1696 }
1697
1698 return op;
1699 }
1700
1701 static inline void
post_process_mb_sync_job(JOB_AES_HMAC * job)1702 post_process_mb_sync_job(JOB_AES_HMAC *job)
1703 {
1704 uint32_t *st;
1705
1706 st = job->user_data;
1707 st[0] = (job->status == STS_COMPLETED) ? 0 : EBADMSG;
1708 }
1709
1710 /**
1711 * Process a completed JOB_AES_HMAC job and keep processing jobs until
1712 * get_completed_job return NULL
1713 *
1714 * @param qp Queue Pair to process
1715 * @param job JOB_AES_HMAC job
1716 *
1717 * @return
1718 * - Number of processed jobs
1719 */
1720 static unsigned
handle_completed_jobs(struct aesni_mb_qp * qp,JOB_AES_HMAC * job,struct rte_crypto_op ** ops,uint16_t nb_ops)1721 handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job,
1722 struct rte_crypto_op **ops, uint16_t nb_ops)
1723 {
1724 struct rte_crypto_op *op = NULL;
1725 unsigned processed_jobs = 0;
1726
1727 while (job != NULL) {
1728 op = post_process_mb_job(qp, job);
1729
1730 if (op) {
1731 ops[processed_jobs++] = op;
1732 qp->stats.dequeued_count++;
1733 } else {
1734 qp->stats.dequeue_err_count++;
1735 break;
1736 }
1737 if (processed_jobs == nb_ops)
1738 break;
1739
1740 job = IMB_GET_COMPLETED_JOB(qp->mb_mgr);
1741 }
1742
1743 return processed_jobs;
1744 }
1745
1746 static inline uint32_t
handle_completed_sync_jobs(JOB_AES_HMAC * job,MB_MGR * mb_mgr)1747 handle_completed_sync_jobs(JOB_AES_HMAC *job, MB_MGR *mb_mgr)
1748 {
1749 uint32_t i;
1750
1751 for (i = 0; job != NULL; i++, job = IMB_GET_COMPLETED_JOB(mb_mgr))
1752 post_process_mb_sync_job(job);
1753
1754 return i;
1755 }
1756
1757 static inline uint32_t
flush_mb_sync_mgr(MB_MGR * mb_mgr)1758 flush_mb_sync_mgr(MB_MGR *mb_mgr)
1759 {
1760 JOB_AES_HMAC *job;
1761
1762 job = IMB_FLUSH_JOB(mb_mgr);
1763 return handle_completed_sync_jobs(job, mb_mgr);
1764 }
1765
1766 static inline uint16_t
flush_mb_mgr(struct aesni_mb_qp * qp,struct rte_crypto_op ** ops,uint16_t nb_ops)1767 flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops,
1768 uint16_t nb_ops)
1769 {
1770 int processed_ops = 0;
1771
1772 /* Flush the remaining jobs */
1773 JOB_AES_HMAC *job = IMB_FLUSH_JOB(qp->mb_mgr);
1774
1775 if (job)
1776 processed_ops += handle_completed_jobs(qp, job,
1777 &ops[processed_ops], nb_ops - processed_ops);
1778
1779 return processed_ops;
1780 }
1781
1782 static inline JOB_AES_HMAC *
set_job_null_op(JOB_AES_HMAC * job,struct rte_crypto_op * op)1783 set_job_null_op(JOB_AES_HMAC *job, struct rte_crypto_op *op)
1784 {
1785 job->chain_order = HASH_CIPHER;
1786 job->cipher_mode = NULL_CIPHER;
1787 job->hash_alg = NULL_HASH;
1788 job->cipher_direction = DECRYPT;
1789
1790 /* Set user data to be crypto operation data struct */
1791 job->user_data = op;
1792
1793 return job;
1794 }
1795
1796 static uint16_t
aesni_mb_pmd_dequeue_burst(void * queue_pair,struct rte_crypto_op ** ops,uint16_t nb_ops)1797 aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
1798 uint16_t nb_ops)
1799 {
1800 struct aesni_mb_qp *qp = queue_pair;
1801
1802 struct rte_crypto_op *op;
1803 JOB_AES_HMAC *job;
1804
1805 int retval, processed_jobs = 0;
1806
1807 if (unlikely(nb_ops == 0))
1808 return 0;
1809
1810 uint8_t digest_idx = qp->digest_idx;
1811 do {
1812 /* Get next free mb job struct from mb manager */
1813 job = IMB_GET_NEXT_JOB(qp->mb_mgr);
1814 if (unlikely(job == NULL)) {
1815 /* if no free mb job structs we need to flush mb_mgr */
1816 processed_jobs += flush_mb_mgr(qp,
1817 &ops[processed_jobs],
1818 nb_ops - processed_jobs);
1819
1820 if (nb_ops == processed_jobs)
1821 break;
1822
1823 job = IMB_GET_NEXT_JOB(qp->mb_mgr);
1824 }
1825
1826 /*
1827 * Get next operation to process from ingress queue.
1828 * There is no need to return the job to the MB_MGR
1829 * if there are no more operations to process, since the MB_MGR
1830 * can use that pointer again in next get_next calls.
1831 */
1832 retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
1833 if (retval < 0)
1834 break;
1835
1836 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
1837 if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION)
1838 retval = set_sec_mb_job_params(job, qp, op,
1839 &digest_idx);
1840 else
1841 #endif
1842 retval = set_mb_job_params(job, qp, op, &digest_idx);
1843
1844 if (unlikely(retval != 0)) {
1845 qp->stats.dequeue_err_count++;
1846 set_job_null_op(job, op);
1847 }
1848
1849 /* Submit job to multi-buffer for processing */
1850 #ifdef RTE_LIBRTE_PMD_AESNI_MB_DEBUG
1851 job = IMB_SUBMIT_JOB(qp->mb_mgr);
1852 #else
1853 job = IMB_SUBMIT_JOB_NOCHECK(qp->mb_mgr);
1854 #endif
1855 /*
1856 * If submit returns a processed job then handle it,
1857 * before submitting subsequent jobs
1858 */
1859 if (job)
1860 processed_jobs += handle_completed_jobs(qp, job,
1861 &ops[processed_jobs],
1862 nb_ops - processed_jobs);
1863
1864 } while (processed_jobs < nb_ops);
1865
1866 qp->digest_idx = digest_idx;
1867
1868 if (processed_jobs < 1)
1869 processed_jobs += flush_mb_mgr(qp,
1870 &ops[processed_jobs],
1871 nb_ops - processed_jobs);
1872
1873 return processed_jobs;
1874 }
1875
1876 static MB_MGR *
alloc_init_mb_mgr(enum aesni_mb_vector_mode vector_mode)1877 alloc_init_mb_mgr(enum aesni_mb_vector_mode vector_mode)
1878 {
1879 MB_MGR *mb_mgr = alloc_mb_mgr(0);
1880 if (mb_mgr == NULL)
1881 return NULL;
1882
1883 switch (vector_mode) {
1884 case RTE_AESNI_MB_SSE:
1885 init_mb_mgr_sse(mb_mgr);
1886 break;
1887 case RTE_AESNI_MB_AVX:
1888 init_mb_mgr_avx(mb_mgr);
1889 break;
1890 case RTE_AESNI_MB_AVX2:
1891 init_mb_mgr_avx2(mb_mgr);
1892 break;
1893 case RTE_AESNI_MB_AVX512:
1894 init_mb_mgr_avx512(mb_mgr);
1895 break;
1896 default:
1897 AESNI_MB_LOG(ERR, "Unsupported vector mode %u\n", vector_mode);
1898 free_mb_mgr(mb_mgr);
1899 return NULL;
1900 }
1901
1902 return mb_mgr;
1903 }
1904
1905 static inline void
aesni_mb_fill_error_code(struct rte_crypto_sym_vec * vec,int32_t err)1906 aesni_mb_fill_error_code(struct rte_crypto_sym_vec *vec, int32_t err)
1907 {
1908 uint32_t i;
1909
1910 for (i = 0; i != vec->num; ++i)
1911 vec->status[i] = err;
1912 }
1913
1914 static inline int
check_crypto_sgl(union rte_crypto_sym_ofs so,const struct rte_crypto_sgl * sgl)1915 check_crypto_sgl(union rte_crypto_sym_ofs so, const struct rte_crypto_sgl *sgl)
1916 {
1917 /* no multi-seg support with current AESNI-MB PMD */
1918 if (sgl->num != 1)
1919 return ENOTSUP;
1920 else if (so.ofs.cipher.head + so.ofs.cipher.tail > sgl->vec[0].len)
1921 return EINVAL;
1922 return 0;
1923 }
1924
1925 static inline JOB_AES_HMAC *
submit_sync_job(MB_MGR * mb_mgr)1926 submit_sync_job(MB_MGR *mb_mgr)
1927 {
1928 #ifdef RTE_LIBRTE_PMD_AESNI_MB_DEBUG
1929 return IMB_SUBMIT_JOB(mb_mgr);
1930 #else
1931 return IMB_SUBMIT_JOB_NOCHECK(mb_mgr);
1932 #endif
1933 }
1934
1935 static inline uint32_t
generate_sync_dgst(struct rte_crypto_sym_vec * vec,const uint8_t dgst[][DIGEST_LENGTH_MAX],uint32_t len)1936 generate_sync_dgst(struct rte_crypto_sym_vec *vec,
1937 const uint8_t dgst[][DIGEST_LENGTH_MAX], uint32_t len)
1938 {
1939 uint32_t i, k;
1940
1941 for (i = 0, k = 0; i != vec->num; i++) {
1942 if (vec->status[i] == 0) {
1943 memcpy(vec->digest[i].va, dgst[i], len);
1944 k++;
1945 }
1946 }
1947
1948 return k;
1949 }
1950
1951 static inline uint32_t
verify_sync_dgst(struct rte_crypto_sym_vec * vec,const uint8_t dgst[][DIGEST_LENGTH_MAX],uint32_t len)1952 verify_sync_dgst(struct rte_crypto_sym_vec *vec,
1953 const uint8_t dgst[][DIGEST_LENGTH_MAX], uint32_t len)
1954 {
1955 uint32_t i, k;
1956
1957 for (i = 0, k = 0; i != vec->num; i++) {
1958 if (vec->status[i] == 0) {
1959 if (memcmp(vec->digest[i].va, dgst[i], len) != 0)
1960 vec->status[i] = EBADMSG;
1961 else
1962 k++;
1963 }
1964 }
1965
1966 return k;
1967 }
1968
1969 uint32_t
aesni_mb_cpu_crypto_process_bulk(struct rte_cryptodev * dev,struct rte_cryptodev_sym_session * sess,union rte_crypto_sym_ofs sofs,struct rte_crypto_sym_vec * vec)1970 aesni_mb_cpu_crypto_process_bulk(struct rte_cryptodev *dev,
1971 struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs sofs,
1972 struct rte_crypto_sym_vec *vec)
1973 {
1974 int32_t ret;
1975 uint32_t i, j, k, len;
1976 void *buf;
1977 JOB_AES_HMAC *job;
1978 MB_MGR *mb_mgr;
1979 struct aesni_mb_private *priv;
1980 struct aesni_mb_session *s;
1981 uint8_t tmp_dgst[vec->num][DIGEST_LENGTH_MAX];
1982
1983 s = get_sym_session_private_data(sess, dev->driver_id);
1984 if (s == NULL) {
1985 aesni_mb_fill_error_code(vec, EINVAL);
1986 return 0;
1987 }
1988
1989 /* get per-thread MB MGR, create one if needed */
1990 mb_mgr = RTE_PER_LCORE(sync_mb_mgr);
1991 if (mb_mgr == NULL) {
1992
1993 priv = dev->data->dev_private;
1994 mb_mgr = alloc_init_mb_mgr(priv->vector_mode);
1995 if (mb_mgr == NULL) {
1996 aesni_mb_fill_error_code(vec, ENOMEM);
1997 return 0;
1998 }
1999 RTE_PER_LCORE(sync_mb_mgr) = mb_mgr;
2000 }
2001
2002 for (i = 0, j = 0, k = 0; i != vec->num; i++) {
2003
2004
2005 ret = check_crypto_sgl(sofs, vec->sgl + i);
2006 if (ret != 0) {
2007 vec->status[i] = ret;
2008 continue;
2009 }
2010
2011 buf = vec->sgl[i].vec[0].base;
2012 len = vec->sgl[i].vec[0].len;
2013
2014 job = IMB_GET_NEXT_JOB(mb_mgr);
2015 if (job == NULL) {
2016 k += flush_mb_sync_mgr(mb_mgr);
2017 job = IMB_GET_NEXT_JOB(mb_mgr);
2018 RTE_ASSERT(job != NULL);
2019 }
2020
2021 /* Submit job for processing */
2022 set_cpu_mb_job_params(job, s, sofs, buf, len, &vec->iv[i],
2023 &vec->aad[i], tmp_dgst[i], &vec->status[i]);
2024 job = submit_sync_job(mb_mgr);
2025 j++;
2026
2027 /* handle completed jobs */
2028 k += handle_completed_sync_jobs(job, mb_mgr);
2029 }
2030
2031 /* flush remaining jobs */
2032 while (k != j)
2033 k += flush_mb_sync_mgr(mb_mgr);
2034
2035 /* finish processing for successful jobs: check/update digest */
2036 if (k != 0) {
2037 if (s->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
2038 k = verify_sync_dgst(vec,
2039 (const uint8_t (*)[DIGEST_LENGTH_MAX])tmp_dgst,
2040 s->auth.req_digest_len);
2041 else
2042 k = generate_sync_dgst(vec,
2043 (const uint8_t (*)[DIGEST_LENGTH_MAX])tmp_dgst,
2044 s->auth.req_digest_len);
2045 }
2046
2047 return k;
2048 }
2049
2050 static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev);
2051
2052 static uint64_t
vec_mode_to_flags(enum aesni_mb_vector_mode mode)2053 vec_mode_to_flags(enum aesni_mb_vector_mode mode)
2054 {
2055 switch (mode) {
2056 case RTE_AESNI_MB_SSE:
2057 return RTE_CRYPTODEV_FF_CPU_SSE;
2058 case RTE_AESNI_MB_AVX:
2059 return RTE_CRYPTODEV_FF_CPU_AVX;
2060 case RTE_AESNI_MB_AVX2:
2061 return RTE_CRYPTODEV_FF_CPU_AVX2;
2062 case RTE_AESNI_MB_AVX512:
2063 return RTE_CRYPTODEV_FF_CPU_AVX512;
2064 default:
2065 AESNI_MB_LOG(ERR, "Unsupported vector mode %u\n", mode);
2066 return 0;
2067 }
2068 }
2069
2070 static int
cryptodev_aesni_mb_create(const char * name,struct rte_vdev_device * vdev,struct rte_cryptodev_pmd_init_params * init_params)2071 cryptodev_aesni_mb_create(const char *name,
2072 struct rte_vdev_device *vdev,
2073 struct rte_cryptodev_pmd_init_params *init_params)
2074 {
2075 struct rte_cryptodev *dev;
2076 struct aesni_mb_private *internals;
2077 enum aesni_mb_vector_mode vector_mode;
2078 MB_MGR *mb_mgr;
2079
2080 dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
2081 if (dev == NULL) {
2082 AESNI_MB_LOG(ERR, "failed to create cryptodev vdev");
2083 return -ENODEV;
2084 }
2085
2086 /* Check CPU for supported vector instruction set */
2087 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
2088 vector_mode = RTE_AESNI_MB_AVX512;
2089 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
2090 vector_mode = RTE_AESNI_MB_AVX2;
2091 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
2092 vector_mode = RTE_AESNI_MB_AVX;
2093 else
2094 vector_mode = RTE_AESNI_MB_SSE;
2095
2096 dev->driver_id = cryptodev_driver_id;
2097 dev->dev_ops = rte_aesni_mb_pmd_ops;
2098
2099 /* register rx/tx burst functions for data path */
2100 dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
2101 dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
2102
2103 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
2104 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
2105 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
2106 RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO |
2107 RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
2108 RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
2109
2110 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
2111 struct rte_security_ctx *security_instance;
2112 security_instance = rte_malloc("aesni_mb_sec",
2113 sizeof(struct rte_security_ctx),
2114 RTE_CACHE_LINE_SIZE);
2115 if (security_instance == NULL) {
2116 AESNI_MB_LOG(ERR, "rte_security_ctx memory alloc failed");
2117 rte_cryptodev_pmd_destroy(dev);
2118 return -ENOMEM;
2119 }
2120
2121 security_instance->device = (void *)dev;
2122 security_instance->ops = rte_aesni_mb_pmd_sec_ops;
2123 security_instance->sess_cnt = 0;
2124 dev->security_ctx = security_instance;
2125 dev->feature_flags |= RTE_CRYPTODEV_FF_SECURITY;
2126 #endif
2127
2128 /* Check CPU for support for AES instruction set */
2129 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES))
2130 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AESNI;
2131 else
2132 AESNI_MB_LOG(WARNING, "AES instructions not supported by CPU");
2133
2134 dev->feature_flags |= vec_mode_to_flags(vector_mode);
2135
2136 mb_mgr = alloc_init_mb_mgr(vector_mode);
2137 if (mb_mgr == NULL) {
2138 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
2139 rte_free(dev->security_ctx);
2140 dev->security_ctx = NULL;
2141 #endif
2142 rte_cryptodev_pmd_destroy(dev);
2143 return -ENOMEM;
2144 }
2145
2146 /* Set vector instructions mode supported */
2147 internals = dev->data->dev_private;
2148
2149 internals->vector_mode = vector_mode;
2150 internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
2151 internals->mb_mgr = mb_mgr;
2152
2153 AESNI_MB_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
2154 imb_get_version_str());
2155 return 0;
2156 }
2157
2158 static int
cryptodev_aesni_mb_probe(struct rte_vdev_device * vdev)2159 cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev)
2160 {
2161 struct rte_cryptodev_pmd_init_params init_params = {
2162 "",
2163 sizeof(struct aesni_mb_private),
2164 rte_socket_id(),
2165 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
2166 };
2167 const char *name, *args;
2168 int retval;
2169
2170 name = rte_vdev_device_name(vdev);
2171 if (name == NULL)
2172 return -EINVAL;
2173
2174 args = rte_vdev_device_args(vdev);
2175
2176 retval = rte_cryptodev_pmd_parse_input_args(&init_params, args);
2177 if (retval) {
2178 AESNI_MB_LOG(ERR, "Failed to parse initialisation arguments[%s]",
2179 args);
2180 return -EINVAL;
2181 }
2182
2183 return cryptodev_aesni_mb_create(name, vdev, &init_params);
2184 }
2185
2186 static int
cryptodev_aesni_mb_remove(struct rte_vdev_device * vdev)2187 cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev)
2188 {
2189 struct rte_cryptodev *cryptodev;
2190 struct aesni_mb_private *internals;
2191 const char *name;
2192
2193 name = rte_vdev_device_name(vdev);
2194 if (name == NULL)
2195 return -EINVAL;
2196
2197 cryptodev = rte_cryptodev_pmd_get_named_dev(name);
2198 if (cryptodev == NULL)
2199 return -ENODEV;
2200
2201 internals = cryptodev->data->dev_private;
2202
2203 free_mb_mgr(internals->mb_mgr);
2204 if (RTE_PER_LCORE(sync_mb_mgr)) {
2205 free_mb_mgr(RTE_PER_LCORE(sync_mb_mgr));
2206 RTE_PER_LCORE(sync_mb_mgr) = NULL;
2207 }
2208
2209 #ifdef AESNI_MB_DOCSIS_SEC_ENABLED
2210 rte_free(cryptodev->security_ctx);
2211 cryptodev->security_ctx = NULL;
2212 #endif
2213
2214 return rte_cryptodev_pmd_destroy(cryptodev);
2215 }
2216
2217 static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = {
2218 .probe = cryptodev_aesni_mb_probe,
2219 .remove = cryptodev_aesni_mb_remove
2220 };
2221
2222 static struct cryptodev_driver aesni_mb_crypto_drv;
2223
2224 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv);
2225 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd);
2226 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD,
2227 "max_nb_queue_pairs=<int> "
2228 "socket_id=<int>");
2229 RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_mb_crypto_drv,
2230 cryptodev_aesni_mb_pmd_drv.driver,
2231 cryptodev_driver_id);
2232 RTE_LOG_REGISTER(aesni_mb_logtype_driver, pmd.crypto.aesni_mb, NOTICE);
2233