--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_ether.h>
+#include <rte_malloc.h>
+#include <rte_launch.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_string_fns.h>
+
+#define CPA_CY_SYM_DP_TMP_WORKAROUND 1
+
+#include "cpa.h"
+#include "cpa_types.h"
+#include "cpa_cy_sym_dp.h"
+#include "cpa_cy_common.h"
+#include "cpa_cy_im.h"
+#include "icp_sal_user.h"
+#include "icp_sal_poll.h"
+
+#include "crypto.h"
+
+/* CIPHER KEY LENGTHS */
+#define KEY_SIZE_64_IN_BYTES (64 / 8)
+#define KEY_SIZE_56_IN_BYTES (56 / 8)
+#define KEY_SIZE_128_IN_BYTES (128 / 8)
+#define KEY_SIZE_168_IN_BYTES (168 / 8)
+#define KEY_SIZE_192_IN_BYTES (192 / 8)
+#define KEY_SIZE_256_IN_BYTES (256 / 8)
+
+/* HMAC AUTH KEY LENGTHS */
+#define AES_XCBC_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
+#define SHA1_AUTH_KEY_LENGTH_IN_BYTES (160 / 8)
+#define SHA224_AUTH_KEY_LENGTH_IN_BYTES (224 / 8)
+#define SHA256_AUTH_KEY_LENGTH_IN_BYTES (256 / 8)
+#define SHA384_AUTH_KEY_LENGTH_IN_BYTES (384 / 8)
+#define SHA512_AUTH_KEY_LENGTH_IN_BYTES (512 / 8)
+#define MD5_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
+#define KASUMI_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
+
+/* HASH DIGEST LENGHTS */
+#define AES_XCBC_DIGEST_LENGTH_IN_BYTES (128 / 8)
+#define AES_XCBC_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
+#define MD5_DIGEST_LENGTH_IN_BYTES (128 / 8)
+#define SHA1_DIGEST_LENGTH_IN_BYTES (160 / 8)
+#define SHA1_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
+#define SHA224_DIGEST_LENGTH_IN_BYTES (224 / 8)
+#define SHA256_DIGEST_LENGTH_IN_BYTES (256 / 8)
+#define SHA384_DIGEST_LENGTH_IN_BYTES (384 / 8)
+#define SHA512_DIGEST_LENGTH_IN_BYTES (512 / 8)
+#define KASUMI_DIGEST_LENGTH_IN_BYTES (32 / 8)
+
+#define IV_LENGTH_16_BYTES (16)
+#define IV_LENGTH_8_BYTES (8)
+
+
+/*
+ * rte_memzone is used to allocate physically contiguous virtual memory.
+ * In this application we allocate a single block and divide between variables
+ * which require a virtual to physical mapping for use by the QAT driver.
+ * Virt2phys is only performed during initialisation and not on the data-path.
+ */
+
+#define LCORE_MEMZONE_SIZE (1 << 22)
+
+struct lcore_memzone
+{
+ const struct rte_memzone *memzone;
+ void *next_free_address;
+};
+
+/*
+ * Size the qa software response queue.
+ * Note: Head and Tail are 8 bit, therefore, the queue is
+ * fixed to 256 entries.
+ */
+#define CRYPTO_SOFTWARE_QUEUE_SIZE 256
+
+struct qa_callbackQueue {
+ uint8_t head;
+ uint8_t tail;
+ uint16_t numEntries;
+ struct rte_mbuf *qaCallbackRing[CRYPTO_SOFTWARE_QUEUE_SIZE];
+};
+
+struct qa_core_conf {
+ CpaCySymDpSessionCtx *encryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
+ CpaCySymDpSessionCtx *decryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
+ CpaInstanceHandle instanceHandle;
+ struct qa_callbackQueue callbackQueue;
+ uint64_t qaOutstandingRequests;
+ uint64_t numResponseAttempts;
+ uint8_t kickFreq;
+ void *pPacketIV;
+ CpaPhysicalAddr packetIVPhy;
+ struct lcore_memzone lcoreMemzone;
+} __rte_cache_aligned;
+
+#define MAX_CORES (RTE_MAX_LCORE)
+
+static struct qa_core_conf qaCoreConf[MAX_CORES];
+
+/*
+ *Create maximum possible key size,
+ *One for cipher and one for hash
+ */
+struct glob_keys {
+ uint8_t cipher_key[32];
+ uint8_t hash_key[64];
+ uint8_t iv[16];
+};
+
+struct glob_keys g_crypto_hash_keys = {
+ .cipher_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
+ 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
+ 0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
+ 0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20},
+ .hash_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
+ 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
+ 0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
+ 0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,
+ 0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
+ 0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,
+ 0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
+ 0x39,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50},
+ .iv = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
+ 0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10}
+};
+
+/*
+ * Offsets from the start of the packet.
+ *
+ */
+#define PACKET_DATA_START_PHYS(p) \
+ ((p)->buf_physaddr + (p)->data_off)
+
+/*
+ * A fixed offset to where the crypto is to be performed, which is the first
+ * byte after the Ethernet(14 bytes) and IPv4 headers(20 bytes)
+ */
+#define CRYPTO_START_OFFSET (14+20)
+#define HASH_START_OFFSET (14+20)
+#define CIPHER_BLOCK_DEFAULT_SIZE (16)
+#define HASH_BLOCK_DEFAULT_SIZE (16)
+
+/*
+ * Offset to the opdata from the start of the data portion of packet.
+ * Assumption: The buffer is physically contiguous.
+ * +18 takes this to the next cache line.
+ */
+
+#define CRYPTO_OFFSET_TO_OPDATA (ETHER_MAX_LEN+18)
+
+/*
+ * Default number of requests to place on the hardware ring before kicking the
+ * ring pointers.
+ */
+#define CRYPTO_BURST_TX (16)
+
+/*
+ * Only call the qa poll function when the number responses in the software
+ * queue drops below this number.
+ */
+#define CRYPTO_QUEUED_RESP_POLL_THRESHOLD (32)
+
+/*
+ * Limit the number of polls per call to get_next_response.
+ */
+#define GET_NEXT_RESPONSE_FREQ (32)
+
+/*
+ * Max number of responses to pull from the qa in one poll.
+ */
+#define CRYPTO_MAX_RESPONSE_QUOTA \
+ (CRYPTO_SOFTWARE_QUEUE_SIZE-CRYPTO_QUEUED_RESP_POLL_THRESHOLD-1)
+
+#if (CRYPTO_QUEUED_RESP_POLL_THRESHOLD + CRYPTO_MAX_RESPONSE_QUOTA >= \
+ CRYPTO_SOFTWARE_QUEUE_SIZE)
+#error Its possible to overflow the qa response Q with current poll and \
+ response quota.
+#endif
+
+static void
+crypto_callback(CpaCySymDpOpData *pOpData,
+ __rte_unused CpaStatus status,
+ __rte_unused CpaBoolean verifyResult)
+{
+ uint32_t lcore_id;
+ lcore_id = rte_lcore_id();
+ struct qa_callbackQueue *callbackQ = &(qaCoreConf[lcore_id].callbackQueue);
+
+ /*
+ * Received a completion from the QA hardware.
+ * Place the response on the return queue.
+ */
+ callbackQ->qaCallbackRing[callbackQ->head] = pOpData->pCallbackTag;
+ callbackQ->head++;
+ callbackQ->numEntries++;
+ qaCoreConf[lcore_id].qaOutstandingRequests--;
+}
+
+static void
+qa_crypto_callback(CpaCySymDpOpData *pOpData, CpaStatus status,
+ CpaBoolean verifyResult)
+{
+ crypto_callback(pOpData, status, verifyResult);
+}
+
+/*
+ * Each allocation from a particular memzone lasts for the life-time of
+ * the application. No freeing of previous allocations will occur.
+ */
+static void *
+alloc_memzone_region(uint32_t length, uint32_t lcore_id)
+{
+ char *current_free_addr_ptr = NULL;
+ struct lcore_memzone *lcore_memzone = &(qaCoreConf[lcore_id].lcoreMemzone);
+
+ current_free_addr_ptr = lcore_memzone->next_free_address;
+
+ if (current_free_addr_ptr + length >=
+ (char *)lcore_memzone->memzone->addr + lcore_memzone->memzone->len) {
+ printf("Crypto: No memory available in memzone\n");
+ return NULL;
+ }
+ lcore_memzone->next_free_address = current_free_addr_ptr + length;
+
+ return (void *)current_free_addr_ptr;
+}
+
+/*
+ * Virtual to Physical Address translation is only executed during initialization
+ * and not on the data-path.
+ */
+static CpaPhysicalAddr
+qa_v2p(void *ptr)
+{
+ const struct rte_memzone *memzone = NULL;
+ uint32_t lcore_id = 0;
+ RTE_LCORE_FOREACH(lcore_id) {
+ memzone = qaCoreConf[lcore_id].lcoreMemzone.memzone;
+
+ if ((char*) ptr >= (char *) memzone->addr &&
+ (char*) ptr < ((char*) memzone->addr + memzone->len)) {
+ return (CpaPhysicalAddr)
+ (memzone->phys_addr + ((char *) ptr - (char*) memzone->addr));
+ }
+ }
+ printf("Crypto: Corresponding physical address not found in memzone\n");
+ return (CpaPhysicalAddr) 0;
+}
+
+static CpaStatus
+getCoreAffinity(Cpa32U *coreAffinity, const CpaInstanceHandle instanceHandle)
+{
+ CpaInstanceInfo2 info;
+ Cpa16U i = 0;
+ CpaStatus status = CPA_STATUS_SUCCESS;
+
+ memset(&info, 0, sizeof(CpaInstanceInfo2));
+
+ status = cpaCyInstanceGetInfo2(instanceHandle, &info);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: Error getting instance info\n");
+ return CPA_STATUS_FAIL;
+ }
+ for (i = 0; i < MAX_CORES; i++) {
+ if (CPA_BITMAP_BIT_TEST(info.coreAffinity, i)) {
+ *coreAffinity = i;
+ return CPA_STATUS_SUCCESS;
+ }
+ }
+ return CPA_STATUS_FAIL;
+}
+
+static CpaStatus
+get_crypto_instance_on_core(CpaInstanceHandle *pInstanceHandle,
+ uint32_t lcore_id)
+{
+ Cpa16U numInstances = 0, i = 0;
+ CpaStatus status = CPA_STATUS_FAIL;
+ CpaInstanceHandle *pLocalInstanceHandles = NULL;
+ Cpa32U coreAffinity = 0;
+
+ status = cpaCyGetNumInstances(&numInstances);
+ if (CPA_STATUS_SUCCESS != status || numInstances == 0) {
+ return CPA_STATUS_FAIL;
+ }
+
+ pLocalInstanceHandles = rte_malloc("pLocalInstanceHandles",
+ sizeof(CpaInstanceHandle) * numInstances, RTE_CACHE_LINE_SIZE);
+
+ if (NULL == pLocalInstanceHandles) {
+ return CPA_STATUS_FAIL;
+ }
+ status = cpaCyGetInstances(numInstances, pLocalInstanceHandles);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: cpaCyGetInstances failed with status: %"PRId32"\n", status);
+ rte_free((void *) pLocalInstanceHandles);
+ return CPA_STATUS_FAIL;
+ }
+
+ for (i = 0; i < numInstances; i++) {
+ status = getCoreAffinity(&coreAffinity, pLocalInstanceHandles[i]);
+ if (CPA_STATUS_SUCCESS != status) {
+ rte_free((void *) pLocalInstanceHandles);
+ return CPA_STATUS_FAIL;
+ }
+ if (coreAffinity == lcore_id) {
+ printf("Crypto: instance found on core %d\n", i);
+ *pInstanceHandle = pLocalInstanceHandles[i];
+ return CPA_STATUS_SUCCESS;
+ }
+ }
+ /* core affinity not found */
+ rte_free((void *) pLocalInstanceHandles);
+ return CPA_STATUS_FAIL;
+}
+
+static CpaStatus
+initCySymSession(const int pkt_cipher_alg,
+ const int pkt_hash_alg, const CpaCySymHashMode hashMode,
+ const CpaCySymCipherDirection crypto_direction,
+ CpaCySymSessionCtx **ppSessionCtx,
+ const CpaInstanceHandle cyInstanceHandle,
+ const uint32_t lcore_id)
+{
+ Cpa32U sessionCtxSizeInBytes = 0;
+ CpaStatus status = CPA_STATUS_FAIL;
+ CpaBoolean isCrypto = CPA_TRUE, isHmac = CPA_TRUE;
+ CpaCySymSessionSetupData sessionSetupData;
+
+ memset(&sessionSetupData, 0, sizeof(CpaCySymSessionSetupData));
+
+ /* Assumption: key length is set to each algorithm's max length */
+ switch (pkt_cipher_alg) {
+ case NO_CIPHER:
+ isCrypto = CPA_FALSE;
+ break;
+ case CIPHER_DES:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_DES_ECB;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_64_IN_BYTES;
+ break;
+ case CIPHER_DES_CBC:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_DES_CBC;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_64_IN_BYTES;
+ break;
+ case CIPHER_DES3:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_3DES_ECB;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_192_IN_BYTES;
+ break;
+ case CIPHER_DES3_CBC:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_3DES_CBC;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_192_IN_BYTES;
+ break;
+ case CIPHER_AES:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_AES_ECB;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_128_IN_BYTES;
+ break;
+ case CIPHER_AES_CBC_128:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_AES_CBC;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_128_IN_BYTES;
+ break;
+ case CIPHER_KASUMI_F8:
+ sessionSetupData.cipherSetupData.cipherAlgorithm =
+ CPA_CY_SYM_CIPHER_KASUMI_F8;
+ sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
+ KEY_SIZE_128_IN_BYTES;
+ break;
+ default:
+ printf("Crypto: Undefined Cipher specified\n");
+ break;
+ }
+ /* Set the cipher direction */
+ if (isCrypto) {
+ sessionSetupData.cipherSetupData.cipherDirection = crypto_direction;
+ sessionSetupData.cipherSetupData.pCipherKey =
+ g_crypto_hash_keys.cipher_key;
+ sessionSetupData.symOperation = CPA_CY_SYM_OP_CIPHER;
+ }
+
+ /* Setup Hash common fields */
+ switch (pkt_hash_alg) {
+ case NO_HASH:
+ isHmac = CPA_FALSE;
+ break;
+ case HASH_AES_XCBC:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_AES_XCBC;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ AES_XCBC_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_AES_XCBC_96:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_AES_XCBC;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ AES_XCBC_96_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_MD5:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_MD5;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ MD5_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA1:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA1;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA1_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA1_96:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA1;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA1_96_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA224:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA224;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA224_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA256:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA256;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA256_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA384:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA384;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA384_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA512:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_SHA512;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ SHA512_DIGEST_LENGTH_IN_BYTES;
+ break;
+ case HASH_KASUMI_F9:
+ sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_KASUMI_F9;
+ sessionSetupData.hashSetupData.digestResultLenInBytes =
+ KASUMI_DIGEST_LENGTH_IN_BYTES;
+ break;
+ default:
+ printf("Crypto: Undefined Hash specified\n");
+ break;
+ }
+ if (isHmac) {
+ sessionSetupData.hashSetupData.hashMode = hashMode;
+ sessionSetupData.symOperation = CPA_CY_SYM_OP_HASH;
+ /* If using authenticated hash setup key lengths */
+ if (CPA_CY_SYM_HASH_MODE_AUTH == hashMode) {
+ /* Use a common max length key */
+ sessionSetupData.hashSetupData.authModeSetupData.authKey =
+ g_crypto_hash_keys.hash_key;
+ switch (pkt_hash_alg) {
+ case HASH_AES_XCBC:
+ case HASH_AES_XCBC_96:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ AES_XCBC_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_MD5:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA1_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA1:
+ case HASH_SHA1_96:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA1_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA224:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA224_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA256:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA256_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA384:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA384_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_SHA512:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ SHA512_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ case HASH_KASUMI_F9:
+ sessionSetupData.hashSetupData.authModeSetupData.authKeyLenInBytes =
+ KASUMI_AUTH_KEY_LENGTH_IN_BYTES;
+ break;
+ default:
+ printf("Crypto: Undefined Hash specified\n");
+ return CPA_STATUS_FAIL;
+ }
+ }
+ }
+
+ /* Only high priority supported */
+ sessionSetupData.sessionPriority = CPA_CY_PRIORITY_HIGH;
+
+ /* If chaining algorithms */
+ if (isCrypto && isHmac) {
+ sessionSetupData.symOperation = CPA_CY_SYM_OP_ALGORITHM_CHAINING;
+ /* @assumption Alg Chain order is cipher then hash for encrypt
+ * and hash then cipher then has for decrypt*/
+ if (CPA_CY_SYM_CIPHER_DIRECTION_ENCRYPT == crypto_direction) {
+ sessionSetupData.algChainOrder =
+ CPA_CY_SYM_ALG_CHAIN_ORDER_CIPHER_THEN_HASH;
+ } else {
+ sessionSetupData.algChainOrder =
+ CPA_CY_SYM_ALG_CHAIN_ORDER_HASH_THEN_CIPHER;
+ }
+ }
+ if (!isCrypto && !isHmac) {
+ *ppSessionCtx = NULL;
+ return CPA_STATUS_SUCCESS;
+ }
+
+ /* Set flags for digest operations */
+ sessionSetupData.digestIsAppended = CPA_FALSE;
+ sessionSetupData.verifyDigest = CPA_TRUE;
+
+ /* Get the session context size based on the crypto and/or hash operations*/
+ status = cpaCySymDpSessionCtxGetSize(cyInstanceHandle, &sessionSetupData,
+ &sessionCtxSizeInBytes);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: cpaCySymDpSessionCtxGetSize error, status: %"PRId32"\n",
+ status);
+ return CPA_STATUS_FAIL;
+ }
+
+ *ppSessionCtx = alloc_memzone_region(sessionCtxSizeInBytes, lcore_id);
+ if (NULL == *ppSessionCtx) {
+ printf("Crypto: Failed to allocate memory for Session Context\n");
+ return CPA_STATUS_FAIL;
+ }
+
+ status = cpaCySymDpInitSession(cyInstanceHandle, &sessionSetupData,
+ *ppSessionCtx);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: cpaCySymDpInitSession failed with status %"PRId32"\n", status);
+ return CPA_STATUS_FAIL;
+ }
+ return CPA_STATUS_SUCCESS;
+}
+
+static CpaStatus
+initSessionDataTables(struct qa_core_conf *qaCoreConf,uint32_t lcore_id)
+{
+ Cpa32U i = 0, j = 0;
+ CpaStatus status = CPA_STATUS_FAIL;
+ for (i = 0; i < NUM_CRYPTO; i++) {
+ for (j = 0; j < NUM_HMAC; j++) {
+ if (((i == CIPHER_KASUMI_F8) && (j != NO_HASH) && (j != HASH_KASUMI_F9)) ||
+ ((i != NO_CIPHER) && (i != CIPHER_KASUMI_F8) && (j == HASH_KASUMI_F9)))
+ continue;
+ status = initCySymSession(i, j, CPA_CY_SYM_HASH_MODE_AUTH,
+ CPA_CY_SYM_CIPHER_DIRECTION_ENCRYPT,
+ &qaCoreConf->encryptSessionHandleTbl[i][j],
+ qaCoreConf->instanceHandle,
+ lcore_id);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: Failed to initialize Encrypt sessions\n");
+ return CPA_STATUS_FAIL;
+ }
+ status = initCySymSession(i, j, CPA_CY_SYM_HASH_MODE_AUTH,
+ CPA_CY_SYM_CIPHER_DIRECTION_DECRYPT,
+ &qaCoreConf->decryptSessionHandleTbl[i][j],
+ qaCoreConf->instanceHandle,
+ lcore_id);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: Failed to initialize Decrypt sessions\n");
+ return CPA_STATUS_FAIL;
+ }
+ }
+ }
+ return CPA_STATUS_SUCCESS;
+}
+
+int
+crypto_init(void)
+{
+ if (CPA_STATUS_SUCCESS != icp_sal_userStartMultiProcess("SSL",CPA_FALSE)) {
+ printf("Crypto: Could not start sal for user space\n");
+ return CPA_STATUS_FAIL;
+ }
+ printf("Crypto: icp_sal_userStartMultiProcess(\"SSL\",CPA_FALSE)\n");
+ return 0;
+}
+
+/*
+ * Per core initialisation
+ */
+int
+per_core_crypto_init(uint32_t lcore_id)
+{
+ CpaStatus status = CPA_STATUS_FAIL;
+ char memzone_name[RTE_MEMZONE_NAMESIZE];
+
+ int socketID = rte_lcore_to_socket_id(lcore_id);
+
+ /* Allocate software ring for response messages. */
+
+ qaCoreConf[lcore_id].callbackQueue.head = 0;
+ qaCoreConf[lcore_id].callbackQueue.tail = 0;
+ qaCoreConf[lcore_id].callbackQueue.numEntries = 0;
+ qaCoreConf[lcore_id].kickFreq = 0;
+ qaCoreConf[lcore_id].qaOutstandingRequests = 0;
+ qaCoreConf[lcore_id].numResponseAttempts = 0;
+
+ /* Initialise and reserve lcore memzone for virt2phys translation */
+ snprintf(memzone_name,
+ RTE_MEMZONE_NAMESIZE,
+ "lcore_%u",
+ lcore_id);
+
+ qaCoreConf[lcore_id].lcoreMemzone.memzone = rte_memzone_reserve(
+ memzone_name,
+ LCORE_MEMZONE_SIZE,
+ socketID,
+ 0);
+ if (NULL == qaCoreConf[lcore_id].lcoreMemzone.memzone) {
+ printf("Crypto: Error allocating memzone on lcore %u\n",lcore_id);
+ return -1;
+ }
+ qaCoreConf[lcore_id].lcoreMemzone.next_free_address =
+ qaCoreConf[lcore_id].lcoreMemzone.memzone->addr;
+
+ qaCoreConf[lcore_id].pPacketIV = alloc_memzone_region(IV_LENGTH_16_BYTES,
+ lcore_id);
+
+ if (NULL == qaCoreConf[lcore_id].pPacketIV ) {
+ printf("Crypto: Failed to allocate memory for Initialization Vector\n");
+ return -1;
+ }
+
+ memcpy(qaCoreConf[lcore_id].pPacketIV, &g_crypto_hash_keys.iv,
+ IV_LENGTH_16_BYTES);
+
+ qaCoreConf[lcore_id].packetIVPhy = qa_v2p(qaCoreConf[lcore_id].pPacketIV);
+ if (0 == qaCoreConf[lcore_id].packetIVPhy) {
+ printf("Crypto: Invalid physical address for Initialization Vector\n");
+ return -1;
+ }
+
+ /*
+ * Obtain the instance handle that is mapped to the current lcore.
+ * This can fail if an instance is not mapped to a bank which has been
+ * affinitized to the current lcore.
+ */
+ status = get_crypto_instance_on_core(&(qaCoreConf[lcore_id].instanceHandle),
+ lcore_id);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: get_crypto_instance_on_core failed with status: %"PRId32"\n",
+ status);
+ return -1;
+ }
+
+ status = cpaCySymDpRegCbFunc(qaCoreConf[lcore_id].instanceHandle,
+ (CpaCySymDpCbFunc) qa_crypto_callback);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: cpaCySymDpRegCbFunc failed with status: %"PRId32"\n", status);
+ return -1;
+ }
+
+ /*
+ * Set the address translation callback for virtual to physcial address
+ * mapping. This will be called by the QAT driver during initialisation only.
+ */
+ status = cpaCySetAddressTranslation(qaCoreConf[lcore_id].instanceHandle,
+ (CpaVirtualToPhysical) qa_v2p);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: cpaCySetAddressTranslation failed with status: %"PRId32"\n",
+ status);
+ return -1;
+ }
+
+ status = initSessionDataTables(&qaCoreConf[lcore_id],lcore_id);
+ if (CPA_STATUS_SUCCESS != status) {
+ printf("Crypto: Failed to allocate all session tables.");
+ return -1;
+ }
+ return 0;
+}
+
+static CpaStatus
+enqueueOp(CpaCySymDpOpData *opData, uint32_t lcore_id)
+{
+
+ CpaStatus status;
+
+ /*
+ * Assumption is there is no requirement to do load balancing between
+ * acceleration units - that is one acceleration unit is tied to a core.
+ */
+ opData->instanceHandle = qaCoreConf[lcore_id].instanceHandle;
+
+ if ((++qaCoreConf[lcore_id].kickFreq) % CRYPTO_BURST_TX == 0) {
+ status = cpaCySymDpEnqueueOp(opData, CPA_TRUE);
+ } else {
+ status = cpaCySymDpEnqueueOp(opData, CPA_FALSE);
+ }
+
+ qaCoreConf[lcore_id].qaOutstandingRequests++;
+
+ return status;
+}
+
+void
+crypto_flush_tx_queue(uint32_t lcore_id)
+{
+
+ cpaCySymDpPerformOpNow(qaCoreConf[lcore_id].instanceHandle);
+}
+
+enum crypto_result
+crypto_encrypt(struct rte_mbuf *rte_buff, enum cipher_alg c, enum hash_alg h)
+{
+ CpaCySymDpOpData *opData =
+ rte_pktmbuf_mtod_offset(rte_buff, CpaCySymDpOpData *,
+ CRYPTO_OFFSET_TO_OPDATA);
+ uint32_t lcore_id;
+
+ if (unlikely(c >= NUM_CRYPTO || h >= NUM_HMAC))
+ return CRYPTO_RESULT_FAIL;
+
+ lcore_id = rte_lcore_id();
+
+ memset(opData, 0, sizeof(CpaCySymDpOpData));
+
+ opData->srcBuffer = opData->dstBuffer = PACKET_DATA_START_PHYS(rte_buff);
+ opData->srcBufferLen = opData->dstBufferLen = rte_buff->data_len;
+ opData->sessionCtx = qaCoreConf[lcore_id].encryptSessionHandleTbl[c][h];
+ opData->thisPhys = PACKET_DATA_START_PHYS(rte_buff)
+ + CRYPTO_OFFSET_TO_OPDATA;
+ opData->pCallbackTag = rte_buff;
+
+ /* if no crypto or hash operations are specified return fail */
+ if (NO_CIPHER == c && NO_HASH == h)
+ return CRYPTO_RESULT_FAIL;
+
+ if (NO_CIPHER != c) {
+ opData->pIv = qaCoreConf[lcore_id].pPacketIV;
+ opData->iv = qaCoreConf[lcore_id].packetIVPhy;
+
+ if (CIPHER_AES_CBC_128 == c)
+ opData->ivLenInBytes = IV_LENGTH_16_BYTES;
+ else
+ opData->ivLenInBytes = IV_LENGTH_8_BYTES;
+
+ opData->cryptoStartSrcOffsetInBytes = CRYPTO_START_OFFSET;
+ opData->messageLenToCipherInBytes = rte_buff->data_len
+ - CRYPTO_START_OFFSET;
+ /*
+ * Work around for padding, message length has to be a multiple of
+ * block size.
+ */
+ opData->messageLenToCipherInBytes -= opData->messageLenToCipherInBytes
+ % CIPHER_BLOCK_DEFAULT_SIZE;
+ }
+
+ if (NO_HASH != h) {
+
+ opData->hashStartSrcOffsetInBytes = HASH_START_OFFSET;
+ opData->messageLenToHashInBytes = rte_buff->data_len
+ - HASH_START_OFFSET;
+ /*
+ * Work around for padding, message length has to be a multiple of block
+ * size.
+ */
+ opData->messageLenToHashInBytes -= opData->messageLenToHashInBytes
+ % HASH_BLOCK_DEFAULT_SIZE;
+
+ /*
+ * Assumption: Ok ignore the passed digest pointer and place HMAC at end
+ * of packet.
+ */
+ opData->digestResult = rte_buff->buf_physaddr + rte_buff->data_len;
+ }
+
+ if (CPA_STATUS_SUCCESS != enqueueOp(opData, lcore_id)) {
+ /*
+ * Failed to place a packet on the hardware queue.
+ * Most likely because the QA hardware is busy.
+ */
+ return CRYPTO_RESULT_FAIL;
+ }
+ return CRYPTO_RESULT_IN_PROGRESS;
+}
+
+enum crypto_result
+crypto_decrypt(struct rte_mbuf *rte_buff, enum cipher_alg c, enum hash_alg h)
+{
+
+ CpaCySymDpOpData *opData = rte_pktmbuf_mtod_offset(rte_buff, void *,
+ CRYPTO_OFFSET_TO_OPDATA);
+ uint32_t lcore_id;
+
+ if (unlikely(c >= NUM_CRYPTO || h >= NUM_HMAC))
+ return CRYPTO_RESULT_FAIL;
+
+ lcore_id = rte_lcore_id();
+
+ memset(opData, 0, sizeof(CpaCySymDpOpData));
+
+ opData->dstBuffer = opData->srcBuffer = PACKET_DATA_START_PHYS(rte_buff);
+ opData->dstBufferLen = opData->srcBufferLen = rte_buff->data_len;
+ opData->thisPhys = PACKET_DATA_START_PHYS(rte_buff)
+ + CRYPTO_OFFSET_TO_OPDATA;
+ opData->sessionCtx = qaCoreConf[lcore_id].decryptSessionHandleTbl[c][h];
+ opData->pCallbackTag = rte_buff;
+
+ /* if no crypto or hmac operations are specified return fail */
+ if (NO_CIPHER == c && NO_HASH == h)
+ return CRYPTO_RESULT_FAIL;
+
+ if (NO_CIPHER != c) {
+ opData->pIv = qaCoreConf[lcore_id].pPacketIV;
+ opData->iv = qaCoreConf[lcore_id].packetIVPhy;
+
+ if (CIPHER_AES_CBC_128 == c)
+ opData->ivLenInBytes = IV_LENGTH_16_BYTES;
+ else
+ opData->ivLenInBytes = IV_LENGTH_8_BYTES;
+
+ opData->cryptoStartSrcOffsetInBytes = CRYPTO_START_OFFSET;
+ opData->messageLenToCipherInBytes = rte_buff->data_len
+ - CRYPTO_START_OFFSET;
+
+ /*
+ * Work around for padding, message length has to be a multiple of block
+ * size.
+ */
+ opData->messageLenToCipherInBytes -= opData->messageLenToCipherInBytes
+ % CIPHER_BLOCK_DEFAULT_SIZE;
+ }
+ if (NO_HASH != h) {
+ opData->hashStartSrcOffsetInBytes = HASH_START_OFFSET;
+ opData->messageLenToHashInBytes = rte_buff->data_len
+ - HASH_START_OFFSET;
+ /*
+ * Work around for padding, message length has to be a multiple of block
+ * size.
+ */
+ opData->messageLenToHashInBytes -= opData->messageLenToHashInBytes
+ % HASH_BLOCK_DEFAULT_SIZE;
+ opData->digestResult = rte_buff->buf_physaddr + rte_buff->data_len;
+ }
+
+ if (CPA_STATUS_SUCCESS != enqueueOp(opData, lcore_id)) {
+ /*
+ * Failed to place a packet on the hardware queue.
+ * Most likely because the QA hardware is busy.
+ */
+ return CRYPTO_RESULT_FAIL;
+ }
+ return CRYPTO_RESULT_IN_PROGRESS;
+}
+
+void *
+crypto_get_next_response(void)
+{
+ uint32_t lcore_id;
+ lcore_id = rte_lcore_id();
+ struct qa_callbackQueue *callbackQ = &(qaCoreConf[lcore_id].callbackQueue);
+ void *entry = NULL;
+
+ if (callbackQ->numEntries) {
+ entry = callbackQ->qaCallbackRing[callbackQ->tail];
+ callbackQ->tail++;
+ callbackQ->numEntries--;
+ }
+
+ /* If there are no outstanding requests no need to poll, return entry */
+ if (qaCoreConf[lcore_id].qaOutstandingRequests == 0)
+ return entry;
+
+ if (callbackQ->numEntries < CRYPTO_QUEUED_RESP_POLL_THRESHOLD
+ && qaCoreConf[lcore_id].numResponseAttempts++
+ % GET_NEXT_RESPONSE_FREQ == 0) {
+ /*
+ * Only poll the hardware when there is less than
+ * CRYPTO_QUEUED_RESP_POLL_THRESHOLD elements in the software queue
+ */
+ icp_sal_CyPollDpInstance(qaCoreConf[lcore_id].instanceHandle,
+ CRYPTO_MAX_RESPONSE_QUOTA);
+ }
+ return entry;
+}
Code Review / deb_dpdk.git / blobdiff