945 lines
28 KiB
C
945 lines
28 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <string.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/queue.h>
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#include <stdarg.h>
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#include <rte_common.h>
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#include <rte_log.h>
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#include <rte_debug.h>
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#include <rte_memory.h>
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#include <rte_memzone.h>
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#include <rte_ether.h>
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#include <rte_malloc.h>
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#include <rte_launch.h>
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#include <rte_eal.h>
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#include <rte_per_lcore.h>
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#include <rte_lcore.h>
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#include <rte_atomic.h>
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#include <rte_branch_prediction.h>
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#include <rte_ring.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_string_fns.h>
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#define CPA_CY_SYM_DP_TMP_WORKAROUND 1
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#include "cpa.h"
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#include "cpa_types.h"
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#include "cpa_cy_sym_dp.h"
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#include "cpa_cy_common.h"
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#include "cpa_cy_im.h"
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#include "icp_sal_user.h"
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#include "icp_sal_poll.h"
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#include "crypto.h"
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/* CIPHER KEY LENGTHS */
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#define KEY_SIZE_64_IN_BYTES (64 / 8)
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#define KEY_SIZE_56_IN_BYTES (56 / 8)
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#define KEY_SIZE_128_IN_BYTES (128 / 8)
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#define KEY_SIZE_168_IN_BYTES (168 / 8)
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#define KEY_SIZE_192_IN_BYTES (192 / 8)
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#define KEY_SIZE_256_IN_BYTES (256 / 8)
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/* HMAC AUTH KEY LENGTHS */
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#define AES_XCBC_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
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#define SHA1_AUTH_KEY_LENGTH_IN_BYTES (160 / 8)
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#define SHA224_AUTH_KEY_LENGTH_IN_BYTES (224 / 8)
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#define SHA256_AUTH_KEY_LENGTH_IN_BYTES (256 / 8)
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#define SHA384_AUTH_KEY_LENGTH_IN_BYTES (384 / 8)
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#define SHA512_AUTH_KEY_LENGTH_IN_BYTES (512 / 8)
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#define MD5_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
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#define KASUMI_AUTH_KEY_LENGTH_IN_BYTES (128 / 8)
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/* HASH DIGEST LENGHTS */
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#define AES_XCBC_DIGEST_LENGTH_IN_BYTES (128 / 8)
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#define AES_XCBC_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
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#define MD5_DIGEST_LENGTH_IN_BYTES (128 / 8)
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#define SHA1_DIGEST_LENGTH_IN_BYTES (160 / 8)
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#define SHA1_96_DIGEST_LENGTH_IN_BYTES (96 / 8)
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#define SHA224_DIGEST_LENGTH_IN_BYTES (224 / 8)
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#define SHA256_DIGEST_LENGTH_IN_BYTES (256 / 8)
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#define SHA384_DIGEST_LENGTH_IN_BYTES (384 / 8)
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#define SHA512_DIGEST_LENGTH_IN_BYTES (512 / 8)
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#define KASUMI_DIGEST_LENGTH_IN_BYTES (32 / 8)
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#define IV_LENGTH_16_BYTES (16)
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#define IV_LENGTH_8_BYTES (8)
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/*
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* rte_memzone is used to allocate physically contiguous virtual memory.
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* In this application we allocate a single block and divide between variables
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* which require a virtual to physical mapping for use by the QAT driver.
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* Virt2phys is only performed during initialisation and not on the data-path.
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*/
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#define LCORE_MEMZONE_SIZE (1 << 22)
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struct lcore_memzone
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{
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const struct rte_memzone *memzone;
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void *next_free_address;
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};
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/*
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* Size the qa software response queue.
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* Note: Head and Tail are 8 bit, therefore, the queue is
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* fixed to 256 entries.
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*/
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#define CRYPTO_SOFTWARE_QUEUE_SIZE 256
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struct qa_callbackQueue {
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uint8_t head;
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uint8_t tail;
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uint16_t numEntries;
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struct rte_mbuf *qaCallbackRing[CRYPTO_SOFTWARE_QUEUE_SIZE];
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};
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struct qa_core_conf {
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CpaCySymDpSessionCtx *encryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
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CpaCySymDpSessionCtx *decryptSessionHandleTbl[NUM_CRYPTO][NUM_HMAC];
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CpaInstanceHandle instanceHandle;
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struct qa_callbackQueue callbackQueue;
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uint64_t qaOutstandingRequests;
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uint64_t numResponseAttempts;
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uint8_t kickFreq;
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void *pPacketIV;
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CpaPhysicalAddr packetIVPhy;
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struct lcore_memzone lcoreMemzone;
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} __rte_cache_aligned;
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#define MAX_CORES (RTE_MAX_LCORE)
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static struct qa_core_conf qaCoreConf[MAX_CORES];
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/*
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*Create maximum possible key size,
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*One for cipher and one for hash
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*/
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struct glob_keys {
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uint8_t cipher_key[32];
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uint8_t hash_key[64];
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uint8_t iv[16];
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};
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struct glob_keys g_crypto_hash_keys = {
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.cipher_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
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0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
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0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20},
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.hash_key = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
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0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
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0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,
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0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
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0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,
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0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
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0x39,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50},
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.iv = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10}
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};
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/*
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* Offsets from the start of the packet.
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*
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*/
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#define PACKET_DATA_START_PHYS(p) \
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((p)->buf_physaddr + (p)->data_off)
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/*
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* A fixed offset to where the crypto is to be performed, which is the first
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* byte after the Ethernet(14 bytes) and IPv4 headers(20 bytes)
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*/
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#define CRYPTO_START_OFFSET (14+20)
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#define HASH_START_OFFSET (14+20)
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#define CIPHER_BLOCK_DEFAULT_SIZE (16)
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#define HASH_BLOCK_DEFAULT_SIZE (16)
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/*
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* Offset to the opdata from the start of the data portion of packet.
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* Assumption: The buffer is physically contiguous.
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* +18 takes this to the next cache line.
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*/
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#define CRYPTO_OFFSET_TO_OPDATA (ETHER_MAX_LEN+18)
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/*
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* Default number of requests to place on the hardware ring before kicking the
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* ring pointers.
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*/
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#define CRYPTO_BURST_TX (16)
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/*
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* Only call the qa poll function when the number responses in the software
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* queue drops below this number.
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*/
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#define CRYPTO_QUEUED_RESP_POLL_THRESHOLD (32)
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/*
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* Limit the number of polls per call to get_next_response.
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*/
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#define GET_NEXT_RESPONSE_FREQ (32)
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/*
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* Max number of responses to pull from the qa in one poll.
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*/
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#define CRYPTO_MAX_RESPONSE_QUOTA \
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(CRYPTO_SOFTWARE_QUEUE_SIZE-CRYPTO_QUEUED_RESP_POLL_THRESHOLD-1)
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#if (CRYPTO_QUEUED_RESP_POLL_THRESHOLD + CRYPTO_MAX_RESPONSE_QUOTA >= \
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CRYPTO_SOFTWARE_QUEUE_SIZE)
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#error Its possible to overflow the qa response Q with current poll and \
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response quota.
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#endif
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static void
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crypto_callback(CpaCySymDpOpData *pOpData,
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__rte_unused CpaStatus status,
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__rte_unused CpaBoolean verifyResult)
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{
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uint32_t lcore_id;
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lcore_id = rte_lcore_id();
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struct qa_callbackQueue *callbackQ = &(qaCoreConf[lcore_id].callbackQueue);
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/*
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* Received a completion from the QA hardware.
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* Place the response on the return queue.
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*/
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callbackQ->qaCallbackRing[callbackQ->head] = pOpData->pCallbackTag;
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callbackQ->head++;
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callbackQ->numEntries++;
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qaCoreConf[lcore_id].qaOutstandingRequests--;
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}
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static void
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qa_crypto_callback(CpaCySymDpOpData *pOpData, CpaStatus status,
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CpaBoolean verifyResult)
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{
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crypto_callback(pOpData, status, verifyResult);
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}
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/*
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* Each allocation from a particular memzone lasts for the life-time of
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* the application. No freeing of previous allocations will occur.
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*/
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static void *
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alloc_memzone_region(uint32_t length, uint32_t lcore_id)
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{
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char *current_free_addr_ptr = NULL;
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struct lcore_memzone *lcore_memzone = &(qaCoreConf[lcore_id].lcoreMemzone);
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current_free_addr_ptr = lcore_memzone->next_free_address;
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if (current_free_addr_ptr + length >=
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(char *)lcore_memzone->memzone->addr + lcore_memzone->memzone->len) {
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printf("Crypto: No memory available in memzone\n");
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return NULL;
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}
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lcore_memzone->next_free_address = current_free_addr_ptr + length;
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return (void *)current_free_addr_ptr;
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}
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/*
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* Virtual to Physical Address translation is only executed during initialization
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* and not on the data-path.
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*/
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static CpaPhysicalAddr
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qa_v2p(void *ptr)
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{
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const struct rte_memzone *memzone = NULL;
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uint32_t lcore_id = 0;
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RTE_LCORE_FOREACH(lcore_id) {
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memzone = qaCoreConf[lcore_id].lcoreMemzone.memzone;
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if ((char*) ptr >= (char *) memzone->addr &&
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(char*) ptr < ((char*) memzone->addr + memzone->len)) {
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return (CpaPhysicalAddr)
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(memzone->phys_addr + ((char *) ptr - (char*) memzone->addr));
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}
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}
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printf("Crypto: Corresponding physical address not found in memzone\n");
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return (CpaPhysicalAddr) 0;
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}
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static CpaStatus
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getCoreAffinity(Cpa32U *coreAffinity, const CpaInstanceHandle instanceHandle)
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{
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CpaInstanceInfo2 info;
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Cpa16U i = 0;
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CpaStatus status = CPA_STATUS_SUCCESS;
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memset(&info, 0, sizeof(CpaInstanceInfo2));
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status = cpaCyInstanceGetInfo2(instanceHandle, &info);
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if (CPA_STATUS_SUCCESS != status) {
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printf("Crypto: Error getting instance info\n");
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return CPA_STATUS_FAIL;
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}
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for (i = 0; i < MAX_CORES; i++) {
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if (CPA_BITMAP_BIT_TEST(info.coreAffinity, i)) {
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*coreAffinity = i;
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return CPA_STATUS_SUCCESS;
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}
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}
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return CPA_STATUS_FAIL;
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}
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static CpaStatus
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get_crypto_instance_on_core(CpaInstanceHandle *pInstanceHandle,
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uint32_t lcore_id)
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{
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Cpa16U numInstances = 0, i = 0;
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CpaStatus status = CPA_STATUS_FAIL;
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CpaInstanceHandle *pLocalInstanceHandles = NULL;
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Cpa32U coreAffinity = 0;
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status = cpaCyGetNumInstances(&numInstances);
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if (CPA_STATUS_SUCCESS != status || numInstances == 0) {
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return CPA_STATUS_FAIL;
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}
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pLocalInstanceHandles = rte_malloc("pLocalInstanceHandles",
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sizeof(CpaInstanceHandle) * numInstances, RTE_CACHE_LINE_SIZE);
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if (NULL == pLocalInstanceHandles) {
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return CPA_STATUS_FAIL;
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}
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status = cpaCyGetInstances(numInstances, pLocalInstanceHandles);
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if (CPA_STATUS_SUCCESS != status) {
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printf("Crypto: cpaCyGetInstances failed with status: %"PRId32"\n", status);
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rte_free((void *) pLocalInstanceHandles);
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return CPA_STATUS_FAIL;
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}
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for (i = 0; i < numInstances; i++) {
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status = getCoreAffinity(&coreAffinity, pLocalInstanceHandles[i]);
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if (CPA_STATUS_SUCCESS != status) {
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rte_free((void *) pLocalInstanceHandles);
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return CPA_STATUS_FAIL;
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}
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if (coreAffinity == lcore_id) {
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printf("Crypto: instance found on core %d\n", i);
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*pInstanceHandle = pLocalInstanceHandles[i];
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return CPA_STATUS_SUCCESS;
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}
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}
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/* core affinity not found */
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rte_free((void *) pLocalInstanceHandles);
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return CPA_STATUS_FAIL;
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}
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static CpaStatus
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initCySymSession(const int pkt_cipher_alg,
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const int pkt_hash_alg, const CpaCySymHashMode hashMode,
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const CpaCySymCipherDirection crypto_direction,
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CpaCySymSessionCtx **ppSessionCtx,
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const CpaInstanceHandle cyInstanceHandle,
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const uint32_t lcore_id)
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{
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Cpa32U sessionCtxSizeInBytes = 0;
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CpaStatus status = CPA_STATUS_FAIL;
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CpaBoolean isCrypto = CPA_TRUE, isHmac = CPA_TRUE;
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CpaCySymSessionSetupData sessionSetupData;
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memset(&sessionSetupData, 0, sizeof(CpaCySymSessionSetupData));
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/* Assumption: key length is set to each algorithm's max length */
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switch (pkt_cipher_alg) {
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case NO_CIPHER:
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isCrypto = CPA_FALSE;
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break;
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case CIPHER_DES:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_DES_ECB;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_64_IN_BYTES;
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break;
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case CIPHER_DES_CBC:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_DES_CBC;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_64_IN_BYTES;
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break;
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case CIPHER_DES3:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_3DES_ECB;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_192_IN_BYTES;
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break;
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case CIPHER_DES3_CBC:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_3DES_CBC;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_192_IN_BYTES;
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break;
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case CIPHER_AES:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_AES_ECB;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_128_IN_BYTES;
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break;
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case CIPHER_AES_CBC_128:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_AES_CBC;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_128_IN_BYTES;
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break;
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case CIPHER_KASUMI_F8:
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sessionSetupData.cipherSetupData.cipherAlgorithm =
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CPA_CY_SYM_CIPHER_KASUMI_F8;
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sessionSetupData.cipherSetupData.cipherKeyLenInBytes =
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KEY_SIZE_128_IN_BYTES;
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break;
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default:
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printf("Crypto: Undefined Cipher specified\n");
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break;
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}
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/* Set the cipher direction */
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if (isCrypto) {
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sessionSetupData.cipherSetupData.cipherDirection = crypto_direction;
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sessionSetupData.cipherSetupData.pCipherKey =
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g_crypto_hash_keys.cipher_key;
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sessionSetupData.symOperation = CPA_CY_SYM_OP_CIPHER;
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}
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/* Setup Hash common fields */
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switch (pkt_hash_alg) {
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case NO_HASH:
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isHmac = CPA_FALSE;
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break;
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case HASH_AES_XCBC:
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sessionSetupData.hashSetupData.hashAlgorithm = CPA_CY_SYM_HASH_AES_XCBC;
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sessionSetupData.hashSetupData.digestResultLenInBytes =
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AES_XCBC_DIGEST_LENGTH_IN_BYTES;
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break;
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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;
|
|
}
|