1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2019 Intel Corporation
3 */
4
5 #include <openssl/evp.h>
6
7 #include <rte_mempool.h>
8 #include <rte_mbuf.h>
9 #include <rte_crypto_sym.h>
10 #include <rte_bus_pci.h>
11 #include <rte_byteorder.h>
12
13 #include "qat_sym.h"
14
15
16 /** Decrypt a single partial block
17 * Depends on openssl libcrypto
18 * Uses ECB+XOR to do CFB encryption, same result, more performant
19 */
20 static inline int
bpi_cipher_decrypt(uint8_t * src,uint8_t * dst,uint8_t * iv,int ivlen,int srclen,void * bpi_ctx)21 bpi_cipher_decrypt(uint8_t *src, uint8_t *dst,
22 uint8_t *iv, int ivlen, int srclen,
23 void *bpi_ctx)
24 {
25 EVP_CIPHER_CTX *ctx = (EVP_CIPHER_CTX *)bpi_ctx;
26 int encrypted_ivlen;
27 uint8_t encrypted_iv[BPI_MAX_ENCR_IV_LEN];
28 uint8_t *encr = encrypted_iv;
29
30 /* ECB method: encrypt (not decrypt!) the IV, then XOR with plaintext */
31 if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, iv, ivlen)
32 <= 0)
33 goto cipher_decrypt_err;
34
35 for (; srclen != 0; --srclen, ++dst, ++src, ++encr)
36 *dst = *src ^ *encr;
37
38 return 0;
39
40 cipher_decrypt_err:
41 QAT_DP_LOG(ERR, "libcrypto ECB cipher decrypt for BPI IV failed");
42 return -EINVAL;
43 }
44
45
46 static inline uint32_t
qat_bpicipher_preprocess(struct qat_sym_session * ctx,struct rte_crypto_op * op)47 qat_bpicipher_preprocess(struct qat_sym_session *ctx,
48 struct rte_crypto_op *op)
49 {
50 int block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg);
51 struct rte_crypto_sym_op *sym_op = op->sym;
52 uint8_t last_block_len = block_len > 0 ?
53 sym_op->cipher.data.length % block_len : 0;
54
55 if (last_block_len &&
56 ctx->qat_dir == ICP_QAT_HW_CIPHER_DECRYPT) {
57
58 /* Decrypt last block */
59 uint8_t *last_block, *dst, *iv;
60 uint32_t last_block_offset = sym_op->cipher.data.offset +
61 sym_op->cipher.data.length - last_block_len;
62 last_block = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_src,
63 uint8_t *, last_block_offset);
64
65 if (unlikely((sym_op->m_dst != NULL)
66 && (sym_op->m_dst != sym_op->m_src)))
67 /* out-of-place operation (OOP) */
68 dst = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_dst,
69 uint8_t *, last_block_offset);
70 else
71 dst = last_block;
72
73 if (last_block_len < sym_op->cipher.data.length)
74 /* use previous block ciphertext as IV */
75 iv = last_block - block_len;
76 else
77 /* runt block, i.e. less than one full block */
78 iv = rte_crypto_op_ctod_offset(op, uint8_t *,
79 ctx->cipher_iv.offset);
80
81 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
82 QAT_DP_HEXDUMP_LOG(DEBUG, "BPI: src before pre-process:",
83 last_block, last_block_len);
84 if (sym_op->m_dst != NULL)
85 QAT_DP_HEXDUMP_LOG(DEBUG, "BPI:dst before pre-process:",
86 dst, last_block_len);
87 #endif
88 bpi_cipher_decrypt(last_block, dst, iv, block_len,
89 last_block_len, ctx->bpi_ctx);
90 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
91 QAT_DP_HEXDUMP_LOG(DEBUG, "BPI: src after pre-process:",
92 last_block, last_block_len);
93 if (sym_op->m_dst != NULL)
94 QAT_DP_HEXDUMP_LOG(DEBUG, "BPI: dst after pre-process:",
95 dst, last_block_len);
96 #endif
97 }
98
99 return sym_op->cipher.data.length - last_block_len;
100 }
101
102 static inline void
set_cipher_iv(uint16_t iv_length,uint16_t iv_offset,struct icp_qat_fw_la_cipher_req_params * cipher_param,struct rte_crypto_op * op,struct icp_qat_fw_la_bulk_req * qat_req)103 set_cipher_iv(uint16_t iv_length, uint16_t iv_offset,
104 struct icp_qat_fw_la_cipher_req_params *cipher_param,
105 struct rte_crypto_op *op,
106 struct icp_qat_fw_la_bulk_req *qat_req)
107 {
108 /* copy IV into request if it fits */
109 if (iv_length <= sizeof(cipher_param->u.cipher_IV_array)) {
110 rte_memcpy(cipher_param->u.cipher_IV_array,
111 rte_crypto_op_ctod_offset(op, uint8_t *,
112 iv_offset),
113 iv_length);
114 } else {
115 ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(
116 qat_req->comn_hdr.serv_specif_flags,
117 ICP_QAT_FW_CIPH_IV_64BIT_PTR);
118 cipher_param->u.s.cipher_IV_ptr =
119 rte_crypto_op_ctophys_offset(op,
120 iv_offset);
121 }
122 }
123
124 /** Set IV for CCM is special case, 0th byte is set to q-1
125 * where q is padding of nonce in 16 byte block
126 */
127 static inline void
set_cipher_iv_ccm(uint16_t iv_length,uint16_t iv_offset,struct icp_qat_fw_la_cipher_req_params * cipher_param,struct rte_crypto_op * op,uint8_t q,uint8_t aad_len_field_sz)128 set_cipher_iv_ccm(uint16_t iv_length, uint16_t iv_offset,
129 struct icp_qat_fw_la_cipher_req_params *cipher_param,
130 struct rte_crypto_op *op, uint8_t q, uint8_t aad_len_field_sz)
131 {
132 rte_memcpy(((uint8_t *)cipher_param->u.cipher_IV_array) +
133 ICP_QAT_HW_CCM_NONCE_OFFSET,
134 rte_crypto_op_ctod_offset(op, uint8_t *,
135 iv_offset) + ICP_QAT_HW_CCM_NONCE_OFFSET,
136 iv_length);
137 *(uint8_t *)&cipher_param->u.cipher_IV_array[0] =
138 q - ICP_QAT_HW_CCM_NONCE_OFFSET;
139
140 if (aad_len_field_sz)
141 rte_memcpy(&op->sym->aead.aad.data[ICP_QAT_HW_CCM_NONCE_OFFSET],
142 rte_crypto_op_ctod_offset(op, uint8_t *,
143 iv_offset) + ICP_QAT_HW_CCM_NONCE_OFFSET,
144 iv_length);
145 }
146
147 int
qat_sym_build_request(void * in_op,uint8_t * out_msg,void * op_cookie,enum qat_device_gen qat_dev_gen)148 qat_sym_build_request(void *in_op, uint8_t *out_msg,
149 void *op_cookie, enum qat_device_gen qat_dev_gen)
150 {
151 int ret = 0;
152 struct qat_sym_session *ctx = NULL;
153 struct icp_qat_fw_la_cipher_req_params *cipher_param;
154 struct icp_qat_fw_la_auth_req_params *auth_param;
155 register struct icp_qat_fw_la_bulk_req *qat_req;
156 uint8_t do_auth = 0, do_cipher = 0, do_aead = 0;
157 uint32_t cipher_len = 0, cipher_ofs = 0;
158 uint32_t auth_len = 0, auth_ofs = 0;
159 uint32_t min_ofs = 0;
160 uint64_t src_buf_start = 0, dst_buf_start = 0;
161 uint64_t auth_data_end = 0;
162 uint8_t do_sgl = 0;
163 uint8_t in_place = 1;
164 int alignment_adjustment = 0;
165 struct rte_crypto_op *op = (struct rte_crypto_op *)in_op;
166 struct qat_sym_op_cookie *cookie =
167 (struct qat_sym_op_cookie *)op_cookie;
168
169 if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
170 QAT_DP_LOG(ERR, "QAT PMD only supports symmetric crypto "
171 "operation requests, op (%p) is not a "
172 "symmetric operation.", op);
173 return -EINVAL;
174 }
175
176 if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
177 QAT_DP_LOG(ERR, "QAT PMD only supports session oriented"
178 " requests, op (%p) is sessionless.", op);
179 return -EINVAL;
180 } else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
181 ctx = (struct qat_sym_session *)get_sym_session_private_data(
182 op->sym->session, qat_sym_driver_id);
183 #ifdef RTE_LIB_SECURITY
184 } else {
185 ctx = (struct qat_sym_session *)get_sec_session_private_data(
186 op->sym->sec_session);
187 if (likely(ctx)) {
188 if (unlikely(ctx->bpi_ctx == NULL)) {
189 QAT_DP_LOG(ERR, "QAT PMD only supports security"
190 " operation requests for"
191 " DOCSIS, op (%p) is not for"
192 " DOCSIS.", op);
193 return -EINVAL;
194 } else if (unlikely(((op->sym->m_dst != NULL) &&
195 (op->sym->m_dst != op->sym->m_src)) ||
196 op->sym->m_src->nb_segs > 1)) {
197 QAT_DP_LOG(ERR, "OOP and/or multi-segment"
198 " buffers not supported for"
199 " DOCSIS security.");
200 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
201 return -EINVAL;
202 }
203 }
204 #endif
205 }
206
207 if (unlikely(ctx == NULL)) {
208 QAT_DP_LOG(ERR, "Session was not created for this device");
209 return -EINVAL;
210 }
211
212 if (unlikely(ctx->min_qat_dev_gen > qat_dev_gen)) {
213 QAT_DP_LOG(ERR, "Session alg not supported on this device gen");
214 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
215 return -EINVAL;
216 }
217
218 qat_req = (struct icp_qat_fw_la_bulk_req *)out_msg;
219 rte_mov128((uint8_t *)qat_req, (const uint8_t *)&(ctx->fw_req));
220 qat_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
221 cipher_param = (void *)&qat_req->serv_specif_rqpars;
222 auth_param = (void *)((uint8_t *)cipher_param +
223 ICP_QAT_FW_HASH_REQUEST_PARAMETERS_OFFSET);
224
225 if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER ||
226 ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) {
227 /* AES-GCM or AES-CCM */
228 if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
229 ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64 ||
230 (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_AES128
231 && ctx->qat_mode == ICP_QAT_HW_CIPHER_CTR_MODE
232 && ctx->qat_hash_alg ==
233 ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC)) {
234 do_aead = 1;
235 } else {
236 do_auth = 1;
237 do_cipher = 1;
238 }
239 } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH) {
240 do_auth = 1;
241 do_cipher = 0;
242 } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
243 do_auth = 0;
244 do_cipher = 1;
245 }
246
247 if (do_cipher) {
248
249 if (ctx->qat_cipher_alg ==
250 ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2 ||
251 ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI ||
252 ctx->qat_cipher_alg ==
253 ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3) {
254
255 if (unlikely(
256 (op->sym->cipher.data.length % BYTE_LENGTH != 0) ||
257 (op->sym->cipher.data.offset % BYTE_LENGTH != 0))) {
258 QAT_DP_LOG(ERR,
259 "SNOW3G/KASUMI/ZUC in QAT PMD only supports byte aligned values");
260 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
261 return -EINVAL;
262 }
263 cipher_len = op->sym->cipher.data.length >> 3;
264 cipher_ofs = op->sym->cipher.data.offset >> 3;
265
266 } else if (ctx->bpi_ctx) {
267 /* DOCSIS - only send complete blocks to device.
268 * Process any partial block using CFB mode.
269 * Even if 0 complete blocks, still send this to device
270 * to get into rx queue for post-process and dequeuing
271 */
272 cipher_len = qat_bpicipher_preprocess(ctx, op);
273 cipher_ofs = op->sym->cipher.data.offset;
274 } else {
275 cipher_len = op->sym->cipher.data.length;
276 cipher_ofs = op->sym->cipher.data.offset;
277 }
278
279 set_cipher_iv(ctx->cipher_iv.length, ctx->cipher_iv.offset,
280 cipher_param, op, qat_req);
281 min_ofs = cipher_ofs;
282 }
283
284 if (do_auth) {
285
286 if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2 ||
287 ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_KASUMI_F9 ||
288 ctx->qat_hash_alg ==
289 ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3) {
290 if (unlikely(
291 (op->sym->auth.data.offset % BYTE_LENGTH != 0) ||
292 (op->sym->auth.data.length % BYTE_LENGTH != 0))) {
293 QAT_DP_LOG(ERR,
294 "For SNOW3G/KASUMI/ZUC, QAT PMD only supports byte aligned values");
295 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
296 return -EINVAL;
297 }
298 auth_ofs = op->sym->auth.data.offset >> 3;
299 auth_len = op->sym->auth.data.length >> 3;
300
301 auth_param->u1.aad_adr =
302 rte_crypto_op_ctophys_offset(op,
303 ctx->auth_iv.offset);
304
305 } else if (ctx->qat_hash_alg ==
306 ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
307 ctx->qat_hash_alg ==
308 ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
309 /* AES-GMAC */
310 set_cipher_iv(ctx->auth_iv.length,
311 ctx->auth_iv.offset,
312 cipher_param, op, qat_req);
313 auth_ofs = op->sym->auth.data.offset;
314 auth_len = op->sym->auth.data.length;
315
316 auth_param->u1.aad_adr = 0;
317 auth_param->u2.aad_sz = 0;
318
319 /*
320 * If len(iv)==12B fw computes J0
321 */
322 if (ctx->auth_iv.length == 12) {
323 ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
324 qat_req->comn_hdr.serv_specif_flags,
325 ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS);
326
327 }
328 } else {
329 auth_ofs = op->sym->auth.data.offset;
330 auth_len = op->sym->auth.data.length;
331
332 }
333 min_ofs = auth_ofs;
334
335 auth_param->auth_res_addr =
336 op->sym->auth.digest.phys_addr;
337
338 }
339
340 if (do_aead) {
341 /*
342 * This address may used for setting AAD physical pointer
343 * into IV offset from op
344 */
345 rte_iova_t aad_phys_addr_aead = op->sym->aead.aad.phys_addr;
346 if (ctx->qat_hash_alg ==
347 ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
348 ctx->qat_hash_alg ==
349 ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
350 /*
351 * If len(iv)==12B fw computes J0
352 */
353 if (ctx->cipher_iv.length == 12) {
354 ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
355 qat_req->comn_hdr.serv_specif_flags,
356 ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS);
357 }
358 set_cipher_iv(ctx->cipher_iv.length,
359 ctx->cipher_iv.offset,
360 cipher_param, op, qat_req);
361
362 } else if (ctx->qat_hash_alg ==
363 ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC) {
364
365 /* In case of AES-CCM this may point to user selected
366 * memory or iv offset in cypto_op
367 */
368 uint8_t *aad_data = op->sym->aead.aad.data;
369 /* This is true AAD length, it not includes 18 bytes of
370 * preceding data
371 */
372 uint8_t aad_ccm_real_len = 0;
373 uint8_t aad_len_field_sz = 0;
374 uint32_t msg_len_be =
375 rte_bswap32(op->sym->aead.data.length);
376
377 if (ctx->aad_len > ICP_QAT_HW_CCM_AAD_DATA_OFFSET) {
378 aad_len_field_sz = ICP_QAT_HW_CCM_AAD_LEN_INFO;
379 aad_ccm_real_len = ctx->aad_len -
380 ICP_QAT_HW_CCM_AAD_B0_LEN -
381 ICP_QAT_HW_CCM_AAD_LEN_INFO;
382 } else {
383 /*
384 * aad_len not greater than 18, so no actual aad
385 * data, then use IV after op for B0 block
386 */
387 aad_data = rte_crypto_op_ctod_offset(op,
388 uint8_t *,
389 ctx->cipher_iv.offset);
390 aad_phys_addr_aead =
391 rte_crypto_op_ctophys_offset(op,
392 ctx->cipher_iv.offset);
393 }
394
395 uint8_t q = ICP_QAT_HW_CCM_NQ_CONST -
396 ctx->cipher_iv.length;
397
398 aad_data[0] = ICP_QAT_HW_CCM_BUILD_B0_FLAGS(
399 aad_len_field_sz,
400 ctx->digest_length, q);
401
402 if (q > ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE) {
403 memcpy(aad_data + ctx->cipher_iv.length +
404 ICP_QAT_HW_CCM_NONCE_OFFSET +
405 (q - ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE),
406 (uint8_t *)&msg_len_be,
407 ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE);
408 } else {
409 memcpy(aad_data + ctx->cipher_iv.length +
410 ICP_QAT_HW_CCM_NONCE_OFFSET,
411 (uint8_t *)&msg_len_be
412 + (ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE
413 - q), q);
414 }
415
416 if (aad_len_field_sz > 0) {
417 *(uint16_t *)&aad_data[ICP_QAT_HW_CCM_AAD_B0_LEN]
418 = rte_bswap16(aad_ccm_real_len);
419
420 if ((aad_ccm_real_len + aad_len_field_sz)
421 % ICP_QAT_HW_CCM_AAD_B0_LEN) {
422 uint8_t pad_len = 0;
423 uint8_t pad_idx = 0;
424
425 pad_len = ICP_QAT_HW_CCM_AAD_B0_LEN -
426 ((aad_ccm_real_len + aad_len_field_sz) %
427 ICP_QAT_HW_CCM_AAD_B0_LEN);
428 pad_idx = ICP_QAT_HW_CCM_AAD_B0_LEN +
429 aad_ccm_real_len + aad_len_field_sz;
430 memset(&aad_data[pad_idx],
431 0, pad_len);
432 }
433
434 }
435
436 set_cipher_iv_ccm(ctx->cipher_iv.length,
437 ctx->cipher_iv.offset,
438 cipher_param, op, q,
439 aad_len_field_sz);
440
441 }
442
443 cipher_len = op->sym->aead.data.length;
444 cipher_ofs = op->sym->aead.data.offset;
445 auth_len = op->sym->aead.data.length;
446 auth_ofs = op->sym->aead.data.offset;
447
448 auth_param->u1.aad_adr = aad_phys_addr_aead;
449 auth_param->auth_res_addr = op->sym->aead.digest.phys_addr;
450 min_ofs = op->sym->aead.data.offset;
451 }
452
453 if (op->sym->m_src->nb_segs > 1 ||
454 (op->sym->m_dst && op->sym->m_dst->nb_segs > 1))
455 do_sgl = 1;
456
457 /* adjust for chain case */
458 if (do_cipher && do_auth)
459 min_ofs = cipher_ofs < auth_ofs ? cipher_ofs : auth_ofs;
460
461 if (unlikely(min_ofs >= rte_pktmbuf_data_len(op->sym->m_src) && do_sgl))
462 min_ofs = 0;
463
464 if (unlikely((op->sym->m_dst != NULL) &&
465 (op->sym->m_dst != op->sym->m_src))) {
466 /* Out-of-place operation (OOP)
467 * Don't align DMA start. DMA the minimum data-set
468 * so as not to overwrite data in dest buffer
469 */
470 in_place = 0;
471 src_buf_start =
472 rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs);
473 dst_buf_start =
474 rte_pktmbuf_iova_offset(op->sym->m_dst, min_ofs);
475
476 } else {
477 /* In-place operation
478 * Start DMA at nearest aligned address below min_ofs
479 */
480 src_buf_start =
481 rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs)
482 & QAT_64_BTYE_ALIGN_MASK;
483
484 if (unlikely((rte_pktmbuf_iova(op->sym->m_src) -
485 rte_pktmbuf_headroom(op->sym->m_src))
486 > src_buf_start)) {
487 /* alignment has pushed addr ahead of start of mbuf
488 * so revert and take the performance hit
489 */
490 src_buf_start =
491 rte_pktmbuf_iova_offset(op->sym->m_src,
492 min_ofs);
493 }
494 dst_buf_start = src_buf_start;
495
496 /* remember any adjustment for later, note, can be +/- */
497 alignment_adjustment = src_buf_start -
498 rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs);
499 }
500
501 if (do_cipher || do_aead) {
502 cipher_param->cipher_offset =
503 (uint32_t)rte_pktmbuf_iova_offset(
504 op->sym->m_src, cipher_ofs) - src_buf_start;
505 cipher_param->cipher_length = cipher_len;
506 } else {
507 cipher_param->cipher_offset = 0;
508 cipher_param->cipher_length = 0;
509 }
510
511 if (do_auth || do_aead) {
512 auth_param->auth_off = (uint32_t)rte_pktmbuf_iova_offset(
513 op->sym->m_src, auth_ofs) - src_buf_start;
514 auth_param->auth_len = auth_len;
515 } else {
516 auth_param->auth_off = 0;
517 auth_param->auth_len = 0;
518 }
519
520 qat_req->comn_mid.dst_length =
521 qat_req->comn_mid.src_length =
522 (cipher_param->cipher_offset + cipher_param->cipher_length)
523 > (auth_param->auth_off + auth_param->auth_len) ?
524 (cipher_param->cipher_offset + cipher_param->cipher_length)
525 : (auth_param->auth_off + auth_param->auth_len);
526
527 if (do_auth && do_cipher) {
528 /* Handle digest-encrypted cases, i.e.
529 * auth-gen-then-cipher-encrypt and
530 * cipher-decrypt-then-auth-verify
531 */
532 /* First find the end of the data */
533 if (do_sgl) {
534 uint32_t remaining_off = auth_param->auth_off +
535 auth_param->auth_len + alignment_adjustment;
536 struct rte_mbuf *sgl_buf =
537 (in_place ?
538 op->sym->m_src : op->sym->m_dst);
539
540 while (remaining_off >= rte_pktmbuf_data_len(sgl_buf)
541 && sgl_buf->next != NULL) {
542 remaining_off -= rte_pktmbuf_data_len(sgl_buf);
543 sgl_buf = sgl_buf->next;
544 }
545
546 auth_data_end = (uint64_t)rte_pktmbuf_iova_offset(
547 sgl_buf, remaining_off);
548 } else {
549 auth_data_end = (in_place ?
550 src_buf_start : dst_buf_start) +
551 auth_param->auth_off + auth_param->auth_len;
552 }
553 /* Then check if digest-encrypted conditions are met */
554 if ((auth_param->auth_off + auth_param->auth_len <
555 cipher_param->cipher_offset +
556 cipher_param->cipher_length) &&
557 (op->sym->auth.digest.phys_addr ==
558 auth_data_end)) {
559 /* Handle partial digest encryption */
560 if (cipher_param->cipher_offset +
561 cipher_param->cipher_length <
562 auth_param->auth_off +
563 auth_param->auth_len +
564 ctx->digest_length)
565 qat_req->comn_mid.dst_length =
566 qat_req->comn_mid.src_length =
567 auth_param->auth_off +
568 auth_param->auth_len +
569 ctx->digest_length;
570 struct icp_qat_fw_comn_req_hdr *header =
571 &qat_req->comn_hdr;
572 ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(
573 header->serv_specif_flags,
574 ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
575 }
576 }
577
578 if (do_sgl) {
579
580 ICP_QAT_FW_COMN_PTR_TYPE_SET(qat_req->comn_hdr.comn_req_flags,
581 QAT_COMN_PTR_TYPE_SGL);
582 ret = qat_sgl_fill_array(op->sym->m_src,
583 (int64_t)(src_buf_start - rte_pktmbuf_iova(op->sym->m_src)),
584 &cookie->qat_sgl_src,
585 qat_req->comn_mid.src_length,
586 QAT_SYM_SGL_MAX_NUMBER);
587
588 if (unlikely(ret)) {
589 QAT_DP_LOG(ERR, "QAT PMD Cannot fill sgl array");
590 return ret;
591 }
592
593 if (in_place)
594 qat_req->comn_mid.dest_data_addr =
595 qat_req->comn_mid.src_data_addr =
596 cookie->qat_sgl_src_phys_addr;
597 else {
598 ret = qat_sgl_fill_array(op->sym->m_dst,
599 (int64_t)(dst_buf_start -
600 rte_pktmbuf_iova(op->sym->m_dst)),
601 &cookie->qat_sgl_dst,
602 qat_req->comn_mid.dst_length,
603 QAT_SYM_SGL_MAX_NUMBER);
604
605 if (unlikely(ret)) {
606 QAT_DP_LOG(ERR, "QAT PMD can't fill sgl array");
607 return ret;
608 }
609
610 qat_req->comn_mid.src_data_addr =
611 cookie->qat_sgl_src_phys_addr;
612 qat_req->comn_mid.dest_data_addr =
613 cookie->qat_sgl_dst_phys_addr;
614 }
615 qat_req->comn_mid.src_length = 0;
616 qat_req->comn_mid.dst_length = 0;
617 } else {
618 qat_req->comn_mid.src_data_addr = src_buf_start;
619 qat_req->comn_mid.dest_data_addr = dst_buf_start;
620 }
621
622 /* Handle Single-Pass GCM */
623 if (ctx->is_single_pass) {
624 cipher_param->spc_aad_addr = op->sym->aead.aad.phys_addr;
625 cipher_param->spc_auth_res_addr =
626 op->sym->aead.digest.phys_addr;
627 }
628
629 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
630 QAT_DP_HEXDUMP_LOG(DEBUG, "qat_req:", qat_req,
631 sizeof(struct icp_qat_fw_la_bulk_req));
632 QAT_DP_HEXDUMP_LOG(DEBUG, "src_data:",
633 rte_pktmbuf_mtod(op->sym->m_src, uint8_t*),
634 rte_pktmbuf_data_len(op->sym->m_src));
635 if (do_cipher) {
636 uint8_t *cipher_iv_ptr = rte_crypto_op_ctod_offset(op,
637 uint8_t *,
638 ctx->cipher_iv.offset);
639 QAT_DP_HEXDUMP_LOG(DEBUG, "cipher iv:", cipher_iv_ptr,
640 ctx->cipher_iv.length);
641 }
642
643 if (do_auth) {
644 if (ctx->auth_iv.length) {
645 uint8_t *auth_iv_ptr = rte_crypto_op_ctod_offset(op,
646 uint8_t *,
647 ctx->auth_iv.offset);
648 QAT_DP_HEXDUMP_LOG(DEBUG, "auth iv:", auth_iv_ptr,
649 ctx->auth_iv.length);
650 }
651 QAT_DP_HEXDUMP_LOG(DEBUG, "digest:", op->sym->auth.digest.data,
652 ctx->digest_length);
653 }
654
655 if (do_aead) {
656 QAT_DP_HEXDUMP_LOG(DEBUG, "digest:", op->sym->aead.digest.data,
657 ctx->digest_length);
658 QAT_DP_HEXDUMP_LOG(DEBUG, "aad:", op->sym->aead.aad.data,
659 ctx->aad_len);
660 }
661 #endif
662 return 0;
663 }
664