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40 #include <sys/queue.h>
43 #include <rte_common.h>
45 #include <rte_debug.h>
46 #include <rte_memory.h>
47 #include <rte_memzone.h>
48 #include <rte_ether.h>
49 #include <rte_malloc.h>
50 #include <rte_launch.h>
52 #include <rte_per_lcore.h>
53 #include <rte_lcore.h>
54 #include <rte_atomic.h>
55 #include <rte_branch_prediction.h>
57 #include <rte_mempool.h>
59 #include <rte_string_fns.h>
61 #define CPA_CY_SYM_DP_TMP_WORKAROUND 1
64 #include "cpa_types.h"
65 #include "cpa_cy_sym_dp.h"
66 #include "cpa_cy_common.h"
67 #include "cpa_cy_im.h"
68 #include "icp_sal_user.h"
69 #include "icp_sal_poll.h"
73 /* CIPHER KEY LENGTHS */
74 #define KEY_SIZE_64_IN_BYTES (64 / 8)
75 #define KEY_SIZE_56_IN_BYTES (56 / 8)
76 #define KEY_SIZE_128_IN_BYTES (128 / 8)
77 #define KEY_SIZE_168_IN_BYTES (168 / 8)
78 #define KEY_SIZE_192_IN_BYTES (192 / 8)
79 #define KEY_SIZE_256_IN_BYTES (256 / 8)
81 /* HMAC AUTH KEY LENGTHS */
82 #define AES_XCBC_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
83 #define SHA1_AUTH_KEY_LENGTH_IN_BYTES (160 / 8)
84 #define SHA224_AUTH_KEY_LENGTH_IN_BYTES (224 / 8)
85 #define SHA256_AUTH_KEY_LENGTH_IN_BYTES (256 / 8)
86 #define SHA384_AUTH_KEY_LENGTH_IN_BYTES (384 / 8)
87 #define SHA512_AUTH_KEY_LENGTH_IN_BYTES (512 / 8)
88 #define MD5_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
89 #define KASUMI_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
91 /* HASH DIGEST LENGHTS */
92 #define AES_XCBC_DIGEST_LENGTH_IN_BYTES (128 / 8)
93 #define AES_XCBC_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
94 #define MD5_DIGEST_LENGTH_IN_BYTES (128 / 8)
95 #define SHA1_DIGEST_LENGTH_IN_BYTES (160 / 8)
96 #define SHA1_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
97 #define SHA224_DIGEST_LENGTH_IN_BYTES (224 / 8)
98 #define SHA256_DIGEST_LENGTH_IN_BYTES (256 / 8)
99 #define SHA384_DIGEST_LENGTH_IN_BYTES (384 / 8)
100 #define SHA512_DIGEST_LENGTH_IN_BYTES (512 / 8)
101 #define KASUMI_DIGEST_LENGTH_IN_BYTES (32 / 8)
103 #define IV_LENGTH_16_BYTES (16)
104 #define IV_LENGTH_8_BYTES (8)
108 * rte_memzone is used to allocate physically contiguous virtual memory.
109 * In this application we allocate a single block and divide between variables
110 * which require a virtual to physical mapping for use by the QAT driver.
111 * Virt2phys is only performed during initialisation and not on the data-path.
114 #define LCORE_MEMZONE_SIZE (1 << 22)
118 const struct rte_memzone *memzone;
119 void *next_free_address;
123 * Size the qa software response queue.
124 * Note: Head and Tail are 8 bit, therefore, the queue is
125 * fixed to 256 entries.
127 #define CRYPTO_SOFTWARE_QUEUE_SIZE 256
129 struct qa_callbackQueue {
133 struct rte_mbuf *qaCallbackRing[CRYPTO_SOFTWARE_QUEUE_SIZE];
136 struct qa_core_conf {
137 CpaCySymDpSessionCtx *encryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
138 CpaCySymDpSessionCtx *decryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
139 CpaInstanceHandle instanceHandle;
140 struct qa_callbackQueue callbackQueue;
141 uint64_t qaOutstandingRequests;
142 uint64_t numResponseAttempts;
145 CpaPhysicalAddr packetIVPhy;
146 struct lcore_memzone lcoreMemzone;
147 } __rte_cache_aligned;
149 #define MAX_CORES (RTE_MAX_LCORE)
151 static struct qa_core_conf qaCoreConf[MAX_CORES];
154 *Create maximum possible key size,
155 *One for cipher and one for hash
158 uint8_t cipher_key[32];
159 uint8_t hash_key[64];
163 struct glob_keys g_crypto_hash_keys = {
164 .cipher_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
165 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
166 0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
167 0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20},
168 .hash_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
169 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
170 0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
171 0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,
172 0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
173 0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,
174 0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
175 0x39,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50},
176 .iv = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
177 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10}
181 * Offsets from the start of the packet.
184 #define PACKET_DATA_START_PHYS(p) \
185 ((p)->buf_physaddr + (p)->data_off)
188 * A fixed offset to where the crypto is to be performed, which is the first
189 * byte after the Ethernet(14 bytes) and IPv4 headers(20 bytes)
191 #define CRYPTO_START_OFFSET (14+20)
192 #define HASH_START_OFFSET (14+20)
193 #define CIPHER_BLOCK_DEFAULT_SIZE (16)
194 #define HASH_BLOCK_DEFAULT_SIZE (16)
197 * Offset to the opdata from the start of the data portion of packet.
198 * Assumption: The buffer is physically contiguous.
199 * +18 takes this to the next cache line.
202 #define CRYPTO_OFFSET_TO_OPDATA (ETHER_MAX_LEN+18)
205 * Default number of requests to place on the hardware ring before kicking the
208 #define CRYPTO_BURST_TX (16)
211 * Only call the qa poll function when the number responses in the software
212 * queue drops below this number.
214 #define CRYPTO_QUEUED_RESP_POLL_THRESHOLD (32)
217 * Limit the number of polls per call to get_next_response.
219 #define GET_NEXT_RESPONSE_FREQ (32)
222 * Max number of responses to pull from the qa in one poll.
224 #define CRYPTO_MAX_RESPONSE_QUOTA \
225 (CRYPTO_SOFTWARE_QUEUE_SIZE-CRYPTO_QUEUED_RESP_POLL_THRESHOLD-1)
227 #if (CRYPTO_QUEUED_RESP_POLL_THRESHOLD + CRYPTO_MAX_RESPONSE_QUOTA >= \
228 CRYPTO_SOFTWARE_QUEUE_SIZE)
229 #error Its possible to overflow the qa response Q with current poll and \
234 crypto_callback(CpaCySymDpOpData *pOpData,
235 __rte_unused CpaStatus status,
236 __rte_unused CpaBoolean verifyResult)
239 lcore_id = rte_lcore_id();
240 struct qa_callbackQueue *callbackQ = &(qaCoreConf[lcore_id].callbackQueue);
243 * Received a completion from the QA hardware.
244 * Place the response on the return queue.
246 callbackQ->qaCallbackRing[callbackQ->head] = pOpData->pCallbackTag;
248 callbackQ->numEntries++;
249 qaCoreConf[lcore_id].qaOutstandingRequests--;
253 qa_crypto_callback(CpaCySymDpOpData *pOpData, CpaStatus status,
254 CpaBoolean verifyResult)
256 crypto_callback(pOpData, status, verifyResult);
260 * Each allocation from a particular memzone lasts for the life-time of
261 * the application. No freeing of previous allocations will occur.
264 alloc_memzone_region(uint32_t length, uint32_t lcore_id)
266 char *current_free_addr_ptr = NULL;
267 struct lcore_memzone *lcore_memzone = &(qaCoreConf[lcore_id].lcoreMemzone);
269 current_free_addr_ptr = lcore_memzone->next_free_address;
271 if (current_free_addr_ptr + length >=
272 (char *)lcore_memzone->memzone->addr + lcore_memzone->memzone->len) {
273 printf("Crypto: No memory available in memzone\n");
276 lcore_memzone->next_free_address = current_free_addr_ptr + length;
278 return (void *)current_free_addr_ptr;
282 * Virtual to Physical Address translation is only executed during initialization
283 * and not on the data-path.
285 static CpaPhysicalAddr
288 const struct rte_memzone *memzone = NULL;
289 uint32_t lcore_id = 0;
290 RTE_LCORE_FOREACH(lcore_id) {
291 memzone = qaCoreConf[lcore_id].lcoreMemzone.memzone;
293 if ((char*) ptr >= (char *) memzone->addr &&
294 (char*) ptr < ((char*) memzone->addr + memzone->len)) {
295 return (CpaPhysicalAddr)
296 (memzone->phys_addr + ((char *) ptr - (char*) memzone->addr));
299 printf("Crypto: Corresponding physical address not found in memzone\n");
300 return (CpaPhysicalAddr) 0;
304 getCoreAffinity(Cpa32U *coreAffinity, const CpaInstanceHandle instanceHandle)
306 CpaInstanceInfo2 info;
308 CpaStatus status = CPA_STATUS_SUCCESS;
310 bzero(&info, sizeof(CpaInstanceInfo2));
312 status = cpaCyInstanceGetInfo2(instanceHandle, &info);
313 if (CPA_STATUS_SUCCESS != status) {
314 printf("Crypto: Error getting instance info\n");
315 return CPA_STATUS_FAIL;
317 for (i = 0; i < MAX_CORES; i++) {
318 if (CPA_BITMAP_BIT_TEST(info.coreAffinity, i)) {
320 return CPA_STATUS_SUCCESS;
323 return CPA_STATUS_FAIL;
327 get_crypto_instance_on_core(CpaInstanceHandle *pInstanceHandle,
330 Cpa16U numInstances = 0, i = 0;
331 CpaStatus status = CPA_STATUS_FAIL;
332 CpaInstanceHandle *pLocalInstanceHandles = NULL;
333 Cpa32U coreAffinity = 0;
335 status = cpaCyGetNumInstances(&numInstances);
336 if (CPA_STATUS_SUCCESS != status || numInstances == 0) {
337 return CPA_STATUS_FAIL;
340 pLocalInstanceHandles = rte_malloc("pLocalInstanceHandles",
341 sizeof(CpaInstanceHandle) * numInstances, RTE_CACHE_LINE_SIZE);
343 if (NULL == pLocalInstanceHandles) {
344 return CPA_STATUS_FAIL;
346 status = cpaCyGetInstances(numInstances, pLocalInstanceHandles);
347 if (CPA_STATUS_SUCCESS != status) {
348 printf("Crypto: cpaCyGetInstances failed with status: %"PRId32"\n", status);
349 rte_free((void *) pLocalInstanceHandles);
350 return CPA_STATUS_FAIL;
353 for (i = 0; i < numInstances; i++) {
354 status = getCoreAffinity(&coreAffinity, pLocalInstanceHandles[i]);
355 if (CPA_STATUS_SUCCESS != status) {
356 rte_free((void *) pLocalInstanceHandles);
357 return CPA_STATUS_FAIL;
359 if (coreAffinity == lcore_id) {
360 printf("Crypto: instance found on core %d\n", i);
361 *pInstanceHandle = pLocalInstanceHandles[i];
362 return CPA_STATUS_SUCCESS;
365 /* core affinity not found */
366 rte_free((void *) pLocalInstanceHandles);
367 return CPA_STATUS_FAIL;
371 initCySymSession(const int pkt_cipher_alg,
372 const int pkt_hash_alg, const CpaCySymHashMode hashMode,
373 const CpaCySymCipherDirection crypto_direction,
374 CpaCySymSessionCtx **ppSessionCtx,
375 const CpaInstanceHandle cyInstanceHandle,
376 const uint32_t lcore_id)
378 Cpa32U sessionCtxSizeInBytes = 0;
379 CpaStatus status = CPA_STATUS_FAIL;
380 CpaBoolean isCrypto = CPA_TRUE, isHmac = CPA_TRUE;
381 CpaCySymSessionSetupData sessionSetupData;
383 bzero(&sessionSetupData, sizeof(CpaCySymSessionSetupData));
385 /* Assumption: key length is set to each algorithm's max length */
386 switch (pkt_cipher_alg) {
388 isCrypto = CPA_FALSE;
391 sessionSetupData.cipherSetupData.cipherAlgorithm =
392 CPA_CY_SYM_CIPHER_DES_ECB;
393 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
394 KEY_SIZE_64_IN_BYTES;
397 sessionSetupData.cipherSetupData.cipherAlgorithm =
398 CPA_CY_SYM_CIPHER_DES_CBC;
399 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
400 KEY_SIZE_64_IN_BYTES;
403 sessionSetupData.cipherSetupData.cipherAlgorithm =
404 CPA_CY_SYM_CIPHER_3DES_ECB;
405 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
406 KEY_SIZE_192_IN_BYTES;
408 case CIPHER_DES3_CBC:
409 sessionSetupData.cipherSetupData.cipherAlgorithm =
410 CPA_CY_SYM_CIPHER_3DES_CBC;
411 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
412 KEY_SIZE_192_IN_BYTES;
415 sessionSetupData.cipherSetupData.cipherAlgorithm =
416 CPA_CY_SYM_CIPHER_AES_ECB;
417 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
418 KEY_SIZE_128_IN_BYTES;
420 case CIPHER_AES_CBC_128:
421 sessionSetupData.cipherSetupData.cipherAlgorithm =
422 CPA_CY_SYM_CIPHER_AES_CBC;
423 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
424 KEY_SIZE_128_IN_BYTES;
426 case CIPHER_KASUMI_F8:
427 sessionSetupData.cipherSetupData.cipherAlgorithm =
428 CPA_CY_SYM_CIPHER_KASUMI_F8;
429 sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
430 KEY_SIZE_128_IN_BYTES;
433 printf("Crypto: Undefined Cipher specified\n");
436 /* Set the cipher direction */
438 sessionSetupData.cipherSetupData.cipherDirection = crypto_direction;
439 sessionSetupData.cipherSetupData.pCipherKey =
440 g_crypto_hash_keys.cipher_key;
441 sessionSetupData.symOperation = CPA_CY_SYM_OP_CIPHER;
444 /* Setup Hash common fields */
445 switch (pkt_hash_alg) {
450 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_AES_XCBC;
451 sessionSetupData.hashSetupData.digestResultLenInBytes =
452 AES_XCBC_DIGEST_LENGTH_IN_BYTES;
454 case HASH_AES_XCBC_96:
455 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_AES_XCBC;
456 sessionSetupData.hashSetupData.digestResultLenInBytes =
457 AES_XCBC_96_DIGEST_LENGTH_IN_BYTES;
460 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_MD5;
461 sessionSetupData.hashSetupData.digestResultLenInBytes =
462 MD5_DIGEST_LENGTH_IN_BYTES;
465 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA1;
466 sessionSetupData.hashSetupData.digestResultLenInBytes =
467 SHA1_DIGEST_LENGTH_IN_BYTES;
470 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA1;
471 sessionSetupData.hashSetupData.digestResultLenInBytes =
472 SHA1_96_DIGEST_LENGTH_IN_BYTES;
475 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA224;
476 sessionSetupData.hashSetupData.digestResultLenInBytes =
477 SHA224_DIGEST_LENGTH_IN_BYTES;
480 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA256;
481 sessionSetupData.hashSetupData.digestResultLenInBytes =
482 SHA256_DIGEST_LENGTH_IN_BYTES;
485 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA384;
486 sessionSetupData.hashSetupData.digestResultLenInBytes =
487 SHA384_DIGEST_LENGTH_IN_BYTES;
490 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA512;
491 sessionSetupData.hashSetupData.digestResultLenInBytes =
492 SHA512_DIGEST_LENGTH_IN_BYTES;
495 sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_KASUMI_F9;
496 sessionSetupData.hashSetupData.digestResultLenInBytes =
497 KASUMI_DIGEST_LENGTH_IN_BYTES;
500 printf("Crypto: Undefined Hash specified\n");
504 sessionSetupData.hashSetupData.hashMode = hashMode;
505 sessionSetupData.symOperation = CPA_CY_SYM_OP_HASH;
506 /* If using authenticated hash setup key lengths */
507 if (CPA_CY_SYM_HASH_MODE_AUTH == hashMode) {
508 /* Use a common max length key */
509 sessionSetupData.hashSetupData.authModeSetupData.authKey =
510 g_crypto_hash_keys.hash_key;
511 switch (pkt_hash_alg) {
513 case HASH_AES_XCBC_96:
514 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
515 AES_XCBC_AUTH_KEY_LENGTH_IN_BYTES;
518 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
519 SHA1_AUTH_KEY_LENGTH_IN_BYTES;
523 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
524 SHA1_AUTH_KEY_LENGTH_IN_BYTES;
527 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
528 SHA224_AUTH_KEY_LENGTH_IN_BYTES;
531 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
532 SHA256_AUTH_KEY_LENGTH_IN_BYTES;
535 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
536 SHA384_AUTH_KEY_LENGTH_IN_BYTES;
539 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
540 SHA512_AUTH_KEY_LENGTH_IN_BYTES;
543 sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
544 KASUMI_AUTH_KEY_LENGTH_IN_BYTES;
547 printf("Crypto: Undefined Hash specified\n");
548 return CPA_STATUS_FAIL;
553 /* Only high priority supported */
554 sessionSetupData.sessionPriority = CPA_CY_PRIORITY_HIGH;
556 /* If chaining algorithms */
557 if (isCrypto && isHmac) {
558 sessionSetupData.symOperation = CPA_CY_SYM_OP_ALGORITHM_CHAINING;
559 /* @assumption Alg Chain order is cipher then hash for encrypt
560 * and hash then cipher then has for decrypt*/
561 if (CPA_CY_SYM_CIPHER_DIRECTION_ENCRYPT == crypto_direction) {
562 sessionSetupData.algChainOrder =
563 CPA_CY_SYM_ALG_CHAIN_ORDER_CIPHER_THEN_HASH;
565 sessionSetupData.algChainOrder =
566 CPA_CY_SYM_ALG_CHAIN_ORDER_HASH_THEN_CIPHER;
569 if (!isCrypto && !isHmac) {
570 *ppSessionCtx = NULL;
571 return CPA_STATUS_SUCCESS;
574 /* Set flags for digest operations */
575 sessionSetupData.digestIsAppended = CPA_FALSE;
576 sessionSetupData.verifyDigest = CPA_TRUE;
578 /* Get the session context size based on the crypto and/or hash operations*/
579 status = cpaCySymDpSessionCtxGetSize(cyInstanceHandle, &sessionSetupData,
580 &sessionCtxSizeInBytes);
581 if (CPA_STATUS_SUCCESS != status) {
582 printf("Crypto: cpaCySymDpSessionCtxGetSize error, status: %"PRId32"\n",
584 return CPA_STATUS_FAIL;
587 *ppSessionCtx = alloc_memzone_region(sessionCtxSizeInBytes, lcore_id);
588 if (NULL == *ppSessionCtx) {
589 printf("Crypto: Failed to allocate memory for Session Context\n");
590 return CPA_STATUS_FAIL;
593 status = cpaCySymDpInitSession(cyInstanceHandle, &sessionSetupData,
595 if (CPA_STATUS_SUCCESS != status) {
596 printf("Crypto: cpaCySymDpInitSession failed with status %"PRId32"\n", status);
597 return CPA_STATUS_FAIL;
599 return CPA_STATUS_SUCCESS;
603 initSessionDataTables(struct qa_core_conf *qaCoreConf,uint32_t lcore_id)
606 CpaStatus status = CPA_STATUS_FAIL;
607 for (i = 0; i < NUM_CRYPTO; i++) {
608 for (j = 0; j < NUM_HMAC; j++) {
609 if (((i == CIPHER_KASUMI_F8) && (j != NO_HASH) && (j != HASH_KASUMI_F9)) ||
610 ((i != NO_CIPHER) && (i != CIPHER_KASUMI_F8) && (j == HASH_KASUMI_F9)))
612 status = initCySymSession(i, j, CPA_CY_SYM_HASH_MODE_AUTH,
613 CPA_CY_SYM_CIPHER_DIRECTION_ENCRYPT,
614 &qaCoreConf->encryptSessionHandleTbl[i][j],
615 qaCoreConf->instanceHandle,
617 if (CPA_STATUS_SUCCESS != status) {
618 printf("Crypto: Failed to initialize Encrypt sessions\n");
619 return CPA_STATUS_FAIL;
621 status = initCySymSession(i, j, CPA_CY_SYM_HASH_MODE_AUTH,
622 CPA_CY_SYM_CIPHER_DIRECTION_DECRYPT,
623 &qaCoreConf->decryptSessionHandleTbl[i][j],
624 qaCoreConf->instanceHandle,
626 if (CPA_STATUS_SUCCESS != status) {
627 printf("Crypto: Failed to initialize Decrypt sessions\n");
628 return CPA_STATUS_FAIL;
632 return CPA_STATUS_SUCCESS;
638 if (CPA_STATUS_SUCCESS != icp_sal_userStartMultiProcess("SSL",CPA_FALSE)) {
639 printf("Crypto: Could not start sal for user space\n");
640 return CPA_STATUS_FAIL;
642 printf("Crypto: icp_sal_userStartMultiProcess(\"SSL\",CPA_FALSE)\n");
647 * Per core initialisation
650 per_core_crypto_init(uint32_t lcore_id)
652 CpaStatus status = CPA_STATUS_FAIL;
653 char memzone_name[RTE_MEMZONE_NAMESIZE];
655 int socketID = rte_lcore_to_socket_id(lcore_id);
657 /* Allocate software ring for response messages. */
659 qaCoreConf[lcore_id].callbackQueue.head = 0;
660 qaCoreConf[lcore_id].callbackQueue.tail = 0;
661 qaCoreConf[lcore_id].callbackQueue.numEntries = 0;
662 qaCoreConf[lcore_id].kickFreq = 0;
663 qaCoreConf[lcore_id].qaOutstandingRequests = 0;
664 qaCoreConf[lcore_id].numResponseAttempts = 0;
666 /* Initialise and reserve lcore memzone for virt2phys translation */
667 snprintf(memzone_name,
668 RTE_MEMZONE_NAMESIZE,
672 qaCoreConf[lcore_id].lcoreMemzone.memzone = rte_memzone_reserve(
677 if (NULL == qaCoreConf[lcore_id].lcoreMemzone.memzone) {
678 printf("Crypto: Error allocating memzone on lcore %u\n",lcore_id);
681 qaCoreConf[lcore_id].lcoreMemzone.next_free_address =
682 qaCoreConf[lcore_id].lcoreMemzone.memzone->addr;
684 qaCoreConf[lcore_id].pPacketIV = alloc_memzone_region(IV_LENGTH_16_BYTES,
687 if (NULL == qaCoreConf[lcore_id].pPacketIV ) {
688 printf("Crypto: Failed to allocate memory for Initialization Vector\n");
692 memcpy(qaCoreConf[lcore_id].pPacketIV, &g_crypto_hash_keys.iv,
695 qaCoreConf[lcore_id].packetIVPhy = qa_v2p(qaCoreConf[lcore_id].pPacketIV);
696 if (0 == qaCoreConf[lcore_id].packetIVPhy) {
697 printf("Crypto: Invalid physical address for Initialization Vector\n");
702 * Obtain the instance handle that is mapped to the current lcore.
703 * This can fail if an instance is not mapped to a bank which has been
704 * affinitized to the current lcore.
706 status = get_crypto_instance_on_core(&(qaCoreConf[lcore_id].instanceHandle),
708 if (CPA_STATUS_SUCCESS != status) {
709 printf("Crypto: get_crypto_instance_on_core failed with status: %"PRId32"\n",
714 status = cpaCySymDpRegCbFunc(qaCoreConf[lcore_id].instanceHandle,
715 (CpaCySymDpCbFunc) qa_crypto_callback);
716 if (CPA_STATUS_SUCCESS != status) {
717 printf("Crypto: cpaCySymDpRegCbFunc failed with status: %"PRId32"\n", status);
722 * Set the address translation callback for virtual to physcial address
723 * mapping. This will be called by the QAT driver during initialisation only.
725 status = cpaCySetAddressTranslation(qaCoreConf[lcore_id].instanceHandle,
726 (CpaVirtualToPhysical) qa_v2p);
727 if (CPA_STATUS_SUCCESS != status) {
728 printf("Crypto: cpaCySetAddressTranslation failed with status: %"PRId32"\n",
733 status = initSessionDataTables(&qaCoreConf[lcore_id],lcore_id);
734 if (CPA_STATUS_SUCCESS != status) {
735 printf("Crypto: Failed to allocate all session tables.");
742 enqueueOp(CpaCySymDpOpData *opData, uint32_t lcore_id)
748 * Assumption is there is no requirement to do load balancing between
749 * acceleration units - that is one acceleration unit is tied to a core.
751 opData->instanceHandle = qaCoreConf[lcore_id].instanceHandle;
753 if ((++qaCoreConf[lcore_id].kickFreq) % CRYPTO_BURST_TX == 0) {
754 status = cpaCySymDpEnqueueOp(opData, CPA_TRUE);
756 status = cpaCySymDpEnqueueOp(opData, CPA_FALSE);
759 qaCoreConf[lcore_id].qaOutstandingRequests++;
765 crypto_flush_tx_queue(uint32_t lcore_id)
768 cpaCySymDpPerformOpNow(qaCoreConf[lcore_id].instanceHandle);
772 crypto_encrypt(struct rte_mbuf *rte_buff, enum cipher_alg c, enum hash_alg h)
774 CpaCySymDpOpData *opData =
775 rte_pktmbuf_mtod_offset(rte_buff, CpaCySymDpOpData *,
776 CRYPTO_OFFSET_TO_OPDATA);
779 if (unlikely(c >= NUM_CRYPTO || h >= NUM_HMAC))
780 return CRYPTO_RESULT_FAIL;
782 lcore_id = rte_lcore_id();
784 bzero(opData, sizeof(CpaCySymDpOpData));
786 opData->srcBuffer = opData->dstBuffer = PACKET_DATA_START_PHYS(rte_buff);
787 opData->srcBufferLen = opData->dstBufferLen = rte_buff->data_len;
788 opData->sessionCtx = qaCoreConf[lcore_id].encryptSessionHandleTbl[c][h];
789 opData->thisPhys = PACKET_DATA_START_PHYS(rte_buff)
790 + CRYPTO_OFFSET_TO_OPDATA;
791 opData->pCallbackTag = rte_buff;
793 /* if no crypto or hash operations are specified return fail */
794 if (NO_CIPHER == c && NO_HASH == h)
795 return CRYPTO_RESULT_FAIL;
797 if (NO_CIPHER != c) {
798 opData->pIv = qaCoreConf[lcore_id].pPacketIV;
799 opData->iv = qaCoreConf[lcore_id].packetIVPhy;
801 if (CIPHER_AES_CBC_128 == c)
802 opData->ivLenInBytes = IV_LENGTH_16_BYTES;
804 opData->ivLenInBytes = IV_LENGTH_8_BYTES;
806 opData->cryptoStartSrcOffsetInBytes = CRYPTO_START_OFFSET;
807 opData->messageLenToCipherInBytes = rte_buff->data_len
808 - CRYPTO_START_OFFSET;
810 * Work around for padding, message length has to be a multiple of
813 opData->messageLenToCipherInBytes -= opData->messageLenToCipherInBytes
814 % CIPHER_BLOCK_DEFAULT_SIZE;
819 opData->hashStartSrcOffsetInBytes = HASH_START_OFFSET;
820 opData->messageLenToHashInBytes = rte_buff->data_len
823 * Work around for padding, message length has to be a multiple of block
826 opData->messageLenToHashInBytes -= opData->messageLenToHashInBytes
827 % HASH_BLOCK_DEFAULT_SIZE;
830 * Assumption: Ok ignore the passed digest pointer and place HMAC at end
833 opData->digestResult = rte_buff->buf_physaddr + rte_buff->data_len;
836 if (CPA_STATUS_SUCCESS != enqueueOp(opData, lcore_id)) {
838 * Failed to place a packet on the hardware queue.
839 * Most likely because the QA hardware is busy.
841 return CRYPTO_RESULT_FAIL;
843 return CRYPTO_RESULT_IN_PROGRESS;
847 crypto_decrypt(struct rte_mbuf *rte_buff, enum cipher_alg c, enum hash_alg h)
850 CpaCySymDpOpData *opData = rte_pktmbuf_mtod_offset(rte_buff, void *,
851 CRYPTO_OFFSET_TO_OPDATA);
854 if (unlikely(c >= NUM_CRYPTO || h >= NUM_HMAC))
855 return CRYPTO_RESULT_FAIL;
857 lcore_id = rte_lcore_id();
859 bzero(opData, sizeof(CpaCySymDpOpData));
861 opData->dstBuffer = opData->srcBuffer = PACKET_DATA_START_PHYS(rte_buff);
862 opData->dstBufferLen = opData->srcBufferLen = rte_buff->data_len;
863 opData->thisPhys = PACKET_DATA_START_PHYS(rte_buff)
864 + CRYPTO_OFFSET_TO_OPDATA;
865 opData->sessionCtx = qaCoreConf[lcore_id].decryptSessionHandleTbl[c][h];
866 opData->pCallbackTag = rte_buff;
868 /* if no crypto or hmac operations are specified return fail */
869 if (NO_CIPHER == c && NO_HASH == h)
870 return CRYPTO_RESULT_FAIL;
872 if (NO_CIPHER != c) {
873 opData->pIv = qaCoreConf[lcore_id].pPacketIV;
874 opData->iv = qaCoreConf[lcore_id].packetIVPhy;
876 if (CIPHER_AES_CBC_128 == c)
877 opData->ivLenInBytes = IV_LENGTH_16_BYTES;
879 opData->ivLenInBytes = IV_LENGTH_8_BYTES;
881 opData->cryptoStartSrcOffsetInBytes = CRYPTO_START_OFFSET;
882 opData->messageLenToCipherInBytes = rte_buff->data_len
883 - CRYPTO_START_OFFSET;
886 * Work around for padding, message length has to be a multiple of block
889 opData->messageLenToCipherInBytes -= opData->messageLenToCipherInBytes
890 % CIPHER_BLOCK_DEFAULT_SIZE;
893 opData->hashStartSrcOffsetInBytes = HASH_START_OFFSET;
894 opData->messageLenToHashInBytes = rte_buff->data_len
897 * Work around for padding, message length has to be a multiple of block
900 opData->messageLenToHashInBytes -= opData->messageLenToHashInBytes
901 % HASH_BLOCK_DEFAULT_SIZE;
902 opData->digestResult = rte_buff->buf_physaddr + rte_buff->data_len;
905 if (CPA_STATUS_SUCCESS != enqueueOp(opData, lcore_id)) {
907 * Failed to place a packet on the hardware queue.
908 * Most likely because the QA hardware is busy.
910 return CRYPTO_RESULT_FAIL;
912 return CRYPTO_RESULT_IN_PROGRESS;
916 crypto_get_next_response(void)
919 lcore_id = rte_lcore_id();
920 struct qa_callbackQueue *callbackQ = &(qaCoreConf[lcore_id].callbackQueue);
923 if (callbackQ->numEntries) {
924 entry = callbackQ->qaCallbackRing[callbackQ->tail];
926 callbackQ->numEntries--;
929 /* If there are no outstanding requests no need to poll, return entry */
930 if (qaCoreConf[lcore_id].qaOutstandingRequests == 0)
933 if (callbackQ->numEntries < CRYPTO_QUEUED_RESP_POLL_THRESHOLD
934 && qaCoreConf[lcore_id].numResponseAttempts++
935 % GET_NEXT_RESPONSE_FREQ == 0) {
937 * Only poll the hardware when there is less than
938 * CRYPTO_QUEUED_RESP_POLL_THRESHOLD elements in the software queue
940 icp_sal_CyPollDpInstance(qaCoreConf[lcore_id].instanceHandle,
941 CRYPTO_MAX_RESPONSE_QUOTA);