X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Faesni_mb%2Frte_aesni_mb_pmd.c;h=2699e41626f7b6bc34c3b081efdfc11f05aa8f5f;hb=725d2a7fbf717d9a6189ac9b49bad2b4f5391a60;hp=31784e1623576819116670573747132254b2dfbd;hpb=edddb7f382b3080972680f5a411a6bbba57fdc92;p=dpdk.git diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c index 31784e1623..2699e41626 100644 --- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c +++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c @@ -1,68 +1,26 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2015-2016 Intel Corporation. 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015-2017 Intel Corporation */ +#include + #include #include #include #include -#include +#include #include #include #include "rte_aesni_mb_pmd_private.h" -/** - * Global static parameter used to create a unique name for each AES-NI multi - * buffer crypto device. - */ -static unsigned unique_name_id; - -static inline int -create_unique_device_name(char *name, size_t size) -{ - int ret; - - if (name == NULL) - return -EINVAL; - - ret = snprintf(name, size, "%s_%u", CRYPTODEV_NAME_AESNI_MB_PMD, - unique_name_id++); - if (ret < 0) - return ret; - return 0; -} +#define AES_CCM_DIGEST_MIN_LEN 4 +#define AES_CCM_DIGEST_MAX_LEN 16 +#define HMAC_MAX_BLOCK_SIZE 128 +static uint8_t cryptodev_driver_id; -typedef void (*hash_one_block_t)(void *data, void *digest); -typedef void (*aes_keyexp_t)(void *key, void *enc_exp_keys, void *dec_exp_keys); +typedef void (*hash_one_block_t)(const void *data, void *digest); +typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys); /** * Calculate the authentication pre-computes @@ -107,101 +65,303 @@ calculate_auth_precomputes(hash_one_block_t one_block_hash, } /** Get xform chain order */ -static int +static enum aesni_mb_operation aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform) { - /* - * Multi-buffer only supports HASH_CIPHER or CIPHER_HASH chained - * operations, all other options are invalid, so we must have exactly - * 2 xform structs chained together - */ - if (xform->next == NULL || xform->next->next != NULL) - return -1; + if (xform == NULL) + return AESNI_MB_OP_NOT_SUPPORTED; + + if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) { + if (xform->next == NULL) + return AESNI_MB_OP_CIPHER_ONLY; + if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) + return AESNI_MB_OP_CIPHER_HASH; + } - if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && - xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) - return HASH_CIPHER; + if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) { + if (xform->next == NULL) + return AESNI_MB_OP_HASH_ONLY; + if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) + return AESNI_MB_OP_HASH_CIPHER; + } - if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && - xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) - return CIPHER_HASH; + if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) { + if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM || + xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) { + if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) + return AESNI_MB_OP_AEAD_CIPHER_HASH; + else + return AESNI_MB_OP_AEAD_HASH_CIPHER; + } + } - return -1; + return AESNI_MB_OP_NOT_SUPPORTED; } /** Set session authentication parameters */ static int -aesni_mb_set_session_auth_parameters(const struct aesni_mb_ops *mb_ops, +aesni_mb_set_session_auth_parameters(const MB_MGR *mb_mgr, struct aesni_mb_session *sess, const struct rte_crypto_sym_xform *xform) { hash_one_block_t hash_oneblock_fn; + unsigned int key_larger_block_size = 0; + uint8_t hashed_key[HMAC_MAX_BLOCK_SIZE] = { 0 }; + uint32_t auth_precompute = 1; + + if (xform == NULL) { + sess->auth.algo = NULL_HASH; + return 0; + } if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) { - MB_LOG_ERR("Crypto xform struct not of type auth"); + AESNI_MB_LOG(ERR, "Crypto xform struct not of type auth"); return -1; } + /* Set the request digest size */ + sess->auth.req_digest_len = xform->auth.digest_length; + + /* Select auth generate/verify */ + sess->auth.operation = xform->auth.op; + /* Set Authentication Parameters */ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) { sess->auth.algo = AES_XCBC; - (*mb_ops->aux.keyexp.aes_xcbc)(xform->auth.key.data, + + uint16_t xcbc_mac_digest_len = + get_truncated_digest_byte_length(AES_XCBC); + if (sess->auth.req_digest_len != xcbc_mac_digest_len) { + AESNI_MB_LOG(ERR, "Invalid digest size\n"); + return -EINVAL; + } + sess->auth.gen_digest_len = sess->auth.req_digest_len; + + IMB_AES_XCBC_KEYEXP(mb_mgr, xform->auth.key.data, sess->auth.xcbc.k1_expanded, sess->auth.xcbc.k2, sess->auth.xcbc.k3); return 0; } + if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_CMAC) { + uint32_t dust[4*15]; + + sess->auth.algo = AES_CMAC; + + uint16_t cmac_digest_len = get_digest_byte_length(AES_CMAC); + + if (sess->auth.req_digest_len > cmac_digest_len) { + AESNI_MB_LOG(ERR, "Invalid digest size\n"); + return -EINVAL; + } + /* + * Multi-buffer lib supports digest sizes from 4 to 16 bytes + * in version 0.50 and sizes of 12 and 16 bytes, + * in version 0.49. + * If size requested is different, generate the full digest + * (16 bytes) in a temporary location and then memcpy + * the requested number of bytes. + */ + if (sess->auth.req_digest_len < 4) + sess->auth.gen_digest_len = cmac_digest_len; + else + sess->auth.gen_digest_len = sess->auth.req_digest_len; + + IMB_AES_KEYEXP_128(mb_mgr, xform->auth.key.data, + sess->auth.cmac.expkey, dust); + IMB_AES_CMAC_SUBKEY_GEN_128(mb_mgr, sess->auth.cmac.expkey, + sess->auth.cmac.skey1, sess->auth.cmac.skey2); + return 0; + } + + if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) { + if (xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) { + sess->cipher.direction = ENCRYPT; + sess->chain_order = CIPHER_HASH; + } else + sess->cipher.direction = DECRYPT; + + sess->auth.algo = AES_GMAC; + /* + * Multi-buffer lib supports 8, 12 and 16 bytes of digest. + * If size requested is different, generate the full digest + * (16 bytes) in a temporary location and then memcpy + * the requested number of bytes. + */ + if (sess->auth.req_digest_len != 16 && + sess->auth.req_digest_len != 12 && + sess->auth.req_digest_len != 8) { + sess->auth.gen_digest_len = 16; + } else { + sess->auth.gen_digest_len = sess->auth.req_digest_len; + } + sess->iv.length = xform->auth.iv.length; + sess->iv.offset = xform->auth.iv.offset; + + switch (xform->auth.key.length) { + case AES_128_BYTES: + IMB_AES128_GCM_PRE(mb_mgr, xform->auth.key.data, + &sess->cipher.gcm_key); + sess->cipher.key_length_in_bytes = AES_128_BYTES; + break; + case AES_192_BYTES: + IMB_AES192_GCM_PRE(mb_mgr, xform->auth.key.data, + &sess->cipher.gcm_key); + sess->cipher.key_length_in_bytes = AES_192_BYTES; + break; + case AES_256_BYTES: + IMB_AES256_GCM_PRE(mb_mgr, xform->auth.key.data, + &sess->cipher.gcm_key); + sess->cipher.key_length_in_bytes = AES_256_BYTES; + break; + default: + RTE_LOG(ERR, PMD, "failed to parse test type\n"); + return -EINVAL; + } + + return 0; + } + switch (xform->auth.algo) { case RTE_CRYPTO_AUTH_MD5_HMAC: sess->auth.algo = MD5; - hash_oneblock_fn = mb_ops->aux.one_block.md5; + hash_oneblock_fn = mb_mgr->md5_one_block; break; case RTE_CRYPTO_AUTH_SHA1_HMAC: sess->auth.algo = SHA1; - hash_oneblock_fn = mb_ops->aux.one_block.sha1; + hash_oneblock_fn = mb_mgr->sha1_one_block; + if (xform->auth.key.length > get_auth_algo_blocksize(SHA1)) { + IMB_SHA1(mb_mgr, + xform->auth.key.data, + xform->auth.key.length, + hashed_key); + key_larger_block_size = 1; + } + break; + case RTE_CRYPTO_AUTH_SHA1: + sess->auth.algo = PLAIN_SHA1; + auth_precompute = 0; break; case RTE_CRYPTO_AUTH_SHA224_HMAC: sess->auth.algo = SHA_224; - hash_oneblock_fn = mb_ops->aux.one_block.sha224; + hash_oneblock_fn = mb_mgr->sha224_one_block; + if (xform->auth.key.length > get_auth_algo_blocksize(SHA_224)) { + IMB_SHA224(mb_mgr, + xform->auth.key.data, + xform->auth.key.length, + hashed_key); + key_larger_block_size = 1; + } + break; + case RTE_CRYPTO_AUTH_SHA224: + sess->auth.algo = PLAIN_SHA_224; + auth_precompute = 0; break; case RTE_CRYPTO_AUTH_SHA256_HMAC: sess->auth.algo = SHA_256; - hash_oneblock_fn = mb_ops->aux.one_block.sha256; + hash_oneblock_fn = mb_mgr->sha256_one_block; + if (xform->auth.key.length > get_auth_algo_blocksize(SHA_256)) { + IMB_SHA256(mb_mgr, + xform->auth.key.data, + xform->auth.key.length, + hashed_key); + key_larger_block_size = 1; + } + break; + case RTE_CRYPTO_AUTH_SHA256: + sess->auth.algo = PLAIN_SHA_256; + auth_precompute = 0; break; case RTE_CRYPTO_AUTH_SHA384_HMAC: sess->auth.algo = SHA_384; - hash_oneblock_fn = mb_ops->aux.one_block.sha384; + hash_oneblock_fn = mb_mgr->sha384_one_block; + if (xform->auth.key.length > get_auth_algo_blocksize(SHA_384)) { + IMB_SHA384(mb_mgr, + xform->auth.key.data, + xform->auth.key.length, + hashed_key); + key_larger_block_size = 1; + } + break; + case RTE_CRYPTO_AUTH_SHA384: + sess->auth.algo = PLAIN_SHA_384; + auth_precompute = 0; break; case RTE_CRYPTO_AUTH_SHA512_HMAC: sess->auth.algo = SHA_512; - hash_oneblock_fn = mb_ops->aux.one_block.sha512; + hash_oneblock_fn = mb_mgr->sha512_one_block; + if (xform->auth.key.length > get_auth_algo_blocksize(SHA_512)) { + IMB_SHA512(mb_mgr, + xform->auth.key.data, + xform->auth.key.length, + hashed_key); + key_larger_block_size = 1; + } + break; + case RTE_CRYPTO_AUTH_SHA512: + sess->auth.algo = PLAIN_SHA_512; + auth_precompute = 0; break; default: - MB_LOG_ERR("Unsupported authentication algorithm selection"); - return -1; + AESNI_MB_LOG(ERR, "Unsupported authentication algorithm selection"); + return -ENOTSUP; + } + uint16_t trunc_digest_size = + get_truncated_digest_byte_length(sess->auth.algo); + uint16_t full_digest_size = + get_digest_byte_length(sess->auth.algo); + + if (sess->auth.req_digest_len > full_digest_size || + sess->auth.req_digest_len == 0) { + AESNI_MB_LOG(ERR, "Invalid digest size\n"); + return -EINVAL; } + if (sess->auth.req_digest_len != trunc_digest_size && + sess->auth.req_digest_len != full_digest_size) + sess->auth.gen_digest_len = full_digest_size; + else + sess->auth.gen_digest_len = sess->auth.req_digest_len; + + /* Plain SHA does not require precompute key */ + if (auth_precompute == 0) + return 0; + /* Calculate Authentication precomputes */ - calculate_auth_precomputes(hash_oneblock_fn, + if (key_larger_block_size) { + calculate_auth_precomputes(hash_oneblock_fn, + sess->auth.pads.inner, sess->auth.pads.outer, + hashed_key, + xform->auth.key.length, + get_auth_algo_blocksize(sess->auth.algo)); + } else { + calculate_auth_precomputes(hash_oneblock_fn, sess->auth.pads.inner, sess->auth.pads.outer, xform->auth.key.data, xform->auth.key.length, get_auth_algo_blocksize(sess->auth.algo)); + } return 0; } /** Set session cipher parameters */ static int -aesni_mb_set_session_cipher_parameters(const struct aesni_mb_ops *mb_ops, +aesni_mb_set_session_cipher_parameters(const MB_MGR *mb_mgr, struct aesni_mb_session *sess, const struct rte_crypto_sym_xform *xform) { - aes_keyexp_t aes_keyexp_fn; + uint8_t is_aes = 0; + uint8_t is_3DES = 0; + + if (xform == NULL) { + sess->cipher.mode = NULL_CIPHER; + return 0; + } if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) { - MB_LOG_ERR("Crypto xform struct not of type cipher"); - return -1; + AESNI_MB_LOG(ERR, "Crypto xform struct not of type cipher"); + return -EINVAL; } /* Select cipher direction */ @@ -213,114 +373,369 @@ aesni_mb_set_session_cipher_parameters(const struct aesni_mb_ops *mb_ops, sess->cipher.direction = DECRYPT; break; default: - MB_LOG_ERR("Unsupported cipher operation parameter"); - return -1; + AESNI_MB_LOG(ERR, "Invalid cipher operation parameter"); + return -EINVAL; } /* Select cipher mode */ switch (xform->cipher.algo) { case RTE_CRYPTO_CIPHER_AES_CBC: sess->cipher.mode = CBC; + is_aes = 1; + break; + case RTE_CRYPTO_CIPHER_AES_CTR: + sess->cipher.mode = CNTR; + is_aes = 1; + break; + case RTE_CRYPTO_CIPHER_AES_DOCSISBPI: + sess->cipher.mode = DOCSIS_SEC_BPI; + is_aes = 1; + break; + case RTE_CRYPTO_CIPHER_DES_CBC: + sess->cipher.mode = DES; + break; + case RTE_CRYPTO_CIPHER_DES_DOCSISBPI: + sess->cipher.mode = DOCSIS_DES; + break; + case RTE_CRYPTO_CIPHER_3DES_CBC: + sess->cipher.mode = DES3; + is_3DES = 1; break; default: - MB_LOG_ERR("Unsupported cipher mode parameter"); - return -1; + AESNI_MB_LOG(ERR, "Unsupported cipher mode parameter"); + return -ENOTSUP; } - /* Check key length and choose key expansion function */ - switch (xform->cipher.key.length) { - case AES_128_BYTES: - sess->cipher.key_length_in_bytes = AES_128_BYTES; - aes_keyexp_fn = mb_ops->aux.keyexp.aes128; + /* Set IV parameters */ + sess->iv.offset = xform->cipher.iv.offset; + sess->iv.length = xform->cipher.iv.length; + + /* Check key length and choose key expansion function for AES */ + if (is_aes) { + switch (xform->cipher.key.length) { + case AES_128_BYTES: + sess->cipher.key_length_in_bytes = AES_128_BYTES; + IMB_AES_KEYEXP_128(mb_mgr, xform->cipher.key.data, + sess->cipher.expanded_aes_keys.encode, + sess->cipher.expanded_aes_keys.decode); + break; + case AES_192_BYTES: + sess->cipher.key_length_in_bytes = AES_192_BYTES; + IMB_AES_KEYEXP_192(mb_mgr, xform->cipher.key.data, + sess->cipher.expanded_aes_keys.encode, + sess->cipher.expanded_aes_keys.decode); + break; + case AES_256_BYTES: + sess->cipher.key_length_in_bytes = AES_256_BYTES; + IMB_AES_KEYEXP_256(mb_mgr, xform->cipher.key.data, + sess->cipher.expanded_aes_keys.encode, + sess->cipher.expanded_aes_keys.decode); + break; + default: + AESNI_MB_LOG(ERR, "Invalid cipher key length"); + return -EINVAL; + } + } else if (is_3DES) { + uint64_t *keys[3] = {sess->cipher.exp_3des_keys.key[0], + sess->cipher.exp_3des_keys.key[1], + sess->cipher.exp_3des_keys.key[2]}; + + switch (xform->cipher.key.length) { + case 24: + IMB_DES_KEYSCHED(mb_mgr, keys[0], + xform->cipher.key.data); + IMB_DES_KEYSCHED(mb_mgr, keys[1], + xform->cipher.key.data + 8); + IMB_DES_KEYSCHED(mb_mgr, keys[2], + xform->cipher.key.data + 16); + + /* Initialize keys - 24 bytes: [K1-K2-K3] */ + sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0]; + sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1]; + sess->cipher.exp_3des_keys.ks_ptr[2] = keys[2]; + break; + case 16: + IMB_DES_KEYSCHED(mb_mgr, keys[0], + xform->cipher.key.data); + IMB_DES_KEYSCHED(mb_mgr, keys[1], + xform->cipher.key.data + 8); + /* Initialize keys - 16 bytes: [K1=K1,K2=K2,K3=K1] */ + sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0]; + sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1]; + sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0]; + break; + case 8: + IMB_DES_KEYSCHED(mb_mgr, keys[0], + xform->cipher.key.data); + + /* Initialize keys - 8 bytes: [K1 = K2 = K3] */ + sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0]; + sess->cipher.exp_3des_keys.ks_ptr[1] = keys[0]; + sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0]; + break; + default: + AESNI_MB_LOG(ERR, "Invalid cipher key length"); + return -EINVAL; + } + + sess->cipher.key_length_in_bytes = 24; + } else { + if (xform->cipher.key.length != 8) { + AESNI_MB_LOG(ERR, "Invalid cipher key length"); + return -EINVAL; + } + sess->cipher.key_length_in_bytes = 8; + + IMB_DES_KEYSCHED(mb_mgr, + (uint64_t *)sess->cipher.expanded_aes_keys.encode, + xform->cipher.key.data); + IMB_DES_KEYSCHED(mb_mgr, + (uint64_t *)sess->cipher.expanded_aes_keys.decode, + xform->cipher.key.data); + } + + return 0; +} + +static int +aesni_mb_set_session_aead_parameters(const MB_MGR *mb_mgr, + struct aesni_mb_session *sess, + const struct rte_crypto_sym_xform *xform) +{ + switch (xform->aead.op) { + case RTE_CRYPTO_AEAD_OP_ENCRYPT: + sess->cipher.direction = ENCRYPT; + sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE; break; - case AES_192_BYTES: - sess->cipher.key_length_in_bytes = AES_192_BYTES; - aes_keyexp_fn = mb_ops->aux.keyexp.aes192; + case RTE_CRYPTO_AEAD_OP_DECRYPT: + sess->cipher.direction = DECRYPT; + sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY; break; - case AES_256_BYTES: - sess->cipher.key_length_in_bytes = AES_256_BYTES; - aes_keyexp_fn = mb_ops->aux.keyexp.aes256; + default: + AESNI_MB_LOG(ERR, "Invalid aead operation parameter"); + return -EINVAL; + } + + switch (xform->aead.algo) { + case RTE_CRYPTO_AEAD_AES_CCM: + sess->cipher.mode = CCM; + sess->auth.algo = AES_CCM; + + /* Check key length and choose key expansion function for AES */ + switch (xform->aead.key.length) { + case AES_128_BYTES: + sess->cipher.key_length_in_bytes = AES_128_BYTES; + IMB_AES_KEYEXP_128(mb_mgr, xform->aead.key.data, + sess->cipher.expanded_aes_keys.encode, + sess->cipher.expanded_aes_keys.decode); + break; + default: + AESNI_MB_LOG(ERR, "Invalid cipher key length"); + return -EINVAL; + } + break; + + case RTE_CRYPTO_AEAD_AES_GCM: + sess->cipher.mode = GCM; + sess->auth.algo = AES_GMAC; + + switch (xform->aead.key.length) { + case AES_128_BYTES: + sess->cipher.key_length_in_bytes = AES_128_BYTES; + IMB_AES128_GCM_PRE(mb_mgr, xform->aead.key.data, + &sess->cipher.gcm_key); + break; + case AES_192_BYTES: + sess->cipher.key_length_in_bytes = AES_192_BYTES; + IMB_AES192_GCM_PRE(mb_mgr, xform->aead.key.data, + &sess->cipher.gcm_key); + break; + case AES_256_BYTES: + sess->cipher.key_length_in_bytes = AES_256_BYTES; + IMB_AES256_GCM_PRE(mb_mgr, xform->aead.key.data, + &sess->cipher.gcm_key); + break; + default: + AESNI_MB_LOG(ERR, "Invalid cipher key length"); + return -EINVAL; + } + + break; + default: - MB_LOG_ERR("Unsupported cipher key length"); - return -1; + AESNI_MB_LOG(ERR, "Unsupported aead mode parameter"); + return -ENOTSUP; } - /* Expanded cipher keys */ - (*aes_keyexp_fn)(xform->cipher.key.data, - sess->cipher.expanded_aes_keys.encode, - sess->cipher.expanded_aes_keys.decode); + /* Set IV parameters */ + sess->iv.offset = xform->aead.iv.offset; + sess->iv.length = xform->aead.iv.length; + + sess->auth.req_digest_len = xform->aead.digest_length; + /* CCM digests must be between 4 and 16 and an even number */ + if (sess->auth.req_digest_len < AES_CCM_DIGEST_MIN_LEN || + sess->auth.req_digest_len > AES_CCM_DIGEST_MAX_LEN || + (sess->auth.req_digest_len & 1) == 1) { + AESNI_MB_LOG(ERR, "Invalid digest size\n"); + return -EINVAL; + } + sess->auth.gen_digest_len = sess->auth.req_digest_len; return 0; } /** Parse crypto xform chain and set private session parameters */ int -aesni_mb_set_session_parameters(const struct aesni_mb_ops *mb_ops, +aesni_mb_set_session_parameters(const MB_MGR *mb_mgr, struct aesni_mb_session *sess, const struct rte_crypto_sym_xform *xform) { const struct rte_crypto_sym_xform *auth_xform = NULL; const struct rte_crypto_sym_xform *cipher_xform = NULL; + const struct rte_crypto_sym_xform *aead_xform = NULL; + int ret; /* Select Crypto operation - hash then cipher / cipher then hash */ switch (aesni_mb_get_chain_order(xform)) { - case HASH_CIPHER: + case AESNI_MB_OP_HASH_CIPHER: sess->chain_order = HASH_CIPHER; auth_xform = xform; cipher_xform = xform->next; break; - case CIPHER_HASH: + case AESNI_MB_OP_CIPHER_HASH: sess->chain_order = CIPHER_HASH; auth_xform = xform->next; cipher_xform = xform; break; + case AESNI_MB_OP_HASH_ONLY: + sess->chain_order = HASH_CIPHER; + auth_xform = xform; + cipher_xform = NULL; + break; + case AESNI_MB_OP_CIPHER_ONLY: + /* + * Multi buffer library operates only at two modes, + * CIPHER_HASH and HASH_CIPHER. When doing ciphering only, + * chain order depends on cipher operation: encryption is always + * the first operation and decryption the last one. + */ + if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) + sess->chain_order = CIPHER_HASH; + else + sess->chain_order = HASH_CIPHER; + auth_xform = NULL; + cipher_xform = xform; + break; + case AESNI_MB_OP_AEAD_CIPHER_HASH: + sess->chain_order = CIPHER_HASH; + sess->aead.aad_len = xform->aead.aad_length; + aead_xform = xform; + break; + case AESNI_MB_OP_AEAD_HASH_CIPHER: + sess->chain_order = HASH_CIPHER; + sess->aead.aad_len = xform->aead.aad_length; + aead_xform = xform; + break; + case AESNI_MB_OP_NOT_SUPPORTED: default: - MB_LOG_ERR("Unsupported operation chain order parameter"); - return -1; + AESNI_MB_LOG(ERR, "Unsupported operation chain order parameter"); + return -ENOTSUP; } - if (aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform)) { - MB_LOG_ERR("Invalid/unsupported authentication parameters"); - return -1; + /* Default IV length = 0 */ + sess->iv.length = 0; + + ret = aesni_mb_set_session_auth_parameters(mb_mgr, sess, auth_xform); + if (ret != 0) { + AESNI_MB_LOG(ERR, "Invalid/unsupported authentication parameters"); + return ret; } - if (aesni_mb_set_session_cipher_parameters(mb_ops, sess, - cipher_xform)) { - MB_LOG_ERR("Invalid/unsupported cipher parameters"); - return -1; + ret = aesni_mb_set_session_cipher_parameters(mb_mgr, sess, + cipher_xform); + if (ret != 0) { + AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters"); + return ret; } + + if (aead_xform) { + ret = aesni_mb_set_session_aead_parameters(mb_mgr, sess, + aead_xform); + if (ret != 0) { + AESNI_MB_LOG(ERR, "Invalid/unsupported aead parameters"); + return ret; + } + } + return 0; } +/** + * burst enqueue, place crypto operations on ingress queue for processing. + * + * @param __qp Queue Pair to process + * @param ops Crypto operations for processing + * @param nb_ops Number of crypto operations for processing + * + * @return + * - Number of crypto operations enqueued + */ +static uint16_t +aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops, + uint16_t nb_ops) +{ + struct aesni_mb_qp *qp = __qp; + + unsigned int nb_enqueued; + + nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue, + (void **)ops, nb_ops, NULL); + + qp->stats.enqueued_count += nb_enqueued; + + return nb_enqueued; +} + /** Get multi buffer session */ -static struct aesni_mb_session * +static inline struct aesni_mb_session * get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op) { struct aesni_mb_session *sess = NULL; - if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) { - if (unlikely(op->sym->session->dev_type != - RTE_CRYPTODEV_AESNI_MB_PMD)) - return NULL; - - sess = (struct aesni_mb_session *)op->sym->session->_private; - } else { + if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { + if (likely(op->sym->session != NULL)) + sess = (struct aesni_mb_session *) + get_sym_session_private_data( + op->sym->session, + cryptodev_driver_id); + } else { void *_sess = NULL; + void *_sess_private_data = NULL; if (rte_mempool_get(qp->sess_mp, (void **)&_sess)) return NULL; - sess = (struct aesni_mb_session *) - ((struct rte_cryptodev_sym_session *)_sess)->_private; + if (rte_mempool_get(qp->sess_mp_priv, + (void **)&_sess_private_data)) + return NULL; + + sess = (struct aesni_mb_session *)_sess_private_data; - if (unlikely(aesni_mb_set_session_parameters(qp->ops, + if (unlikely(aesni_mb_set_session_parameters(qp->mb_mgr, sess, op->sym->xform) != 0)) { rte_mempool_put(qp->sess_mp, _sess); + rte_mempool_put(qp->sess_mp_priv, _sess_private_data); sess = NULL; } + op->sym->session = (struct rte_cryptodev_sym_session *)_sess; + set_sym_session_private_data(op->sym->session, + cryptodev_driver_id, _sess_private_data); } + if (unlikely(sess == NULL)) + op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION; + return sess; } @@ -336,18 +751,19 @@ get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op) * - Completed JOB_AES_HMAC structure pointer on success * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible */ -static JOB_AES_HMAC * -process_crypto_op(struct aesni_mb_qp *qp, struct rte_crypto_op *op, - struct aesni_mb_session *session) +static inline int +set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp, + struct rte_crypto_op *op, uint8_t *digest_idx) { - JOB_AES_HMAC *job; - struct rte_mbuf *m_src = op->sym->m_src, *m_dst; + struct aesni_mb_session *session; uint16_t m_offset = 0; - job = (*qp->ops->job.get_next)(&qp->mb_mgr); - if (unlikely(job == NULL)) - return job; + session = get_session(qp, op); + if (session == NULL) { + op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION; + return -1; + } /* Set crypto operation */ job->chain_order = session->chain_order; @@ -357,19 +773,71 @@ process_crypto_op(struct aesni_mb_qp *qp, struct rte_crypto_op *op, job->cipher_mode = session->cipher.mode; job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes; - job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode; - job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode; - /* Set authentication parameters */ job->hash_alg = session->auth.algo; - if (job->hash_alg == AES_XCBC) { - job->_k1_expanded = session->auth.xcbc.k1_expanded; - job->_k2 = session->auth.xcbc.k2; - job->_k3 = session->auth.xcbc.k3; - } else { - job->hashed_auth_key_xor_ipad = session->auth.pads.inner; - job->hashed_auth_key_xor_opad = session->auth.pads.outer; + + switch (job->hash_alg) { + case AES_XCBC: + job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded; + job->u.XCBC._k2 = session->auth.xcbc.k2; + job->u.XCBC._k3 = session->auth.xcbc.k3; + + job->aes_enc_key_expanded = + session->cipher.expanded_aes_keys.encode; + job->aes_dec_key_expanded = + session->cipher.expanded_aes_keys.decode; + break; + + case AES_CCM: + job->u.CCM.aad = op->sym->aead.aad.data + 18; + job->u.CCM.aad_len_in_bytes = session->aead.aad_len; + job->aes_enc_key_expanded = + session->cipher.expanded_aes_keys.encode; + job->aes_dec_key_expanded = + session->cipher.expanded_aes_keys.decode; + break; + + case AES_CMAC: + job->u.CMAC._key_expanded = session->auth.cmac.expkey; + job->u.CMAC._skey1 = session->auth.cmac.skey1; + job->u.CMAC._skey2 = session->auth.cmac.skey2; + job->aes_enc_key_expanded = + session->cipher.expanded_aes_keys.encode; + job->aes_dec_key_expanded = + session->cipher.expanded_aes_keys.decode; + break; + + case AES_GMAC: + if (session->cipher.mode == GCM) { + job->u.GCM.aad = op->sym->aead.aad.data; + job->u.GCM.aad_len_in_bytes = session->aead.aad_len; + } else { + /* For GMAC */ + job->u.GCM.aad = rte_pktmbuf_mtod_offset(m_src, + uint8_t *, op->sym->auth.data.offset); + job->u.GCM.aad_len_in_bytes = op->sym->auth.data.length; + job->cipher_mode = GCM; + } + job->aes_enc_key_expanded = &session->cipher.gcm_key; + job->aes_dec_key_expanded = &session->cipher.gcm_key; + break; + + default: + job->u.HMAC._hashed_auth_key_xor_ipad = session->auth.pads.inner; + job->u.HMAC._hashed_auth_key_xor_opad = session->auth.pads.outer; + + if (job->cipher_mode == DES3) { + job->aes_enc_key_expanded = + session->cipher.exp_3des_keys.ks_ptr; + job->aes_dec_key_expanded = + session->cipher.exp_3des_keys.ks_ptr; + } else { + job->aes_enc_key_expanded = + session->cipher.expanded_aes_keys.encode; + job->aes_dec_key_expanded = + session->cipher.expanded_aes_keys.decode; + } } /* Mutable crypto operation parameters */ @@ -380,104 +848,185 @@ process_crypto_op(struct aesni_mb_qp *qp, struct rte_crypto_op *op, char *odata = rte_pktmbuf_append(m_dst, rte_pktmbuf_data_len(op->sym->m_src)); if (odata == NULL) { - MB_LOG_ERR("failed to allocate space in destination " + AESNI_MB_LOG(ERR, "failed to allocate space in destination " "mbuf for source data"); - return NULL; + op->status = RTE_CRYPTO_OP_STATUS_ERROR; + return -1; } memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*), rte_pktmbuf_data_len(op->sym->m_src)); } else { m_dst = m_src; - m_offset = op->sym->cipher.data.offset; + if (job->hash_alg == AES_CCM || (job->hash_alg == AES_GMAC && + session->cipher.mode == GCM)) + m_offset = op->sym->aead.data.offset; + else + m_offset = op->sym->cipher.data.offset; } /* Set digest output location */ - if (job->cipher_direction == DECRYPT) { - job->auth_tag_output = (uint8_t *)rte_pktmbuf_append(m_dst, - get_digest_byte_length(job->hash_alg)); + if (job->hash_alg != NULL_HASH && + session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) { + job->auth_tag_output = qp->temp_digests[*digest_idx]; + *digest_idx = (*digest_idx + 1) % MAX_JOBS; + } else { + if (job->hash_alg == AES_CCM || (job->hash_alg == AES_GMAC && + session->cipher.mode == GCM)) + job->auth_tag_output = op->sym->aead.digest.data; + else + job->auth_tag_output = op->sym->auth.digest.data; - if (job->auth_tag_output == NULL) { - MB_LOG_ERR("failed to allocate space in output mbuf " - "for temp digest"); - return NULL; + if (session->auth.req_digest_len != session->auth.gen_digest_len) { + job->auth_tag_output = qp->temp_digests[*digest_idx]; + *digest_idx = (*digest_idx + 1) % MAX_JOBS; } - - memset(job->auth_tag_output, 0, - sizeof(get_digest_byte_length(job->hash_alg))); - - } else { - job->auth_tag_output = op->sym->auth.digest.data; } - /* * Multi-buffer library current only support returning a truncated * digest length as specified in the relevant IPsec RFCs */ - job->auth_tag_output_len_in_bytes = - get_truncated_digest_byte_length(job->hash_alg); + + /* Set digest length */ + job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len; /* Set IV parameters */ - job->iv = op->sym->cipher.iv.data; - job->iv_len_in_bytes = op->sym->cipher.iv.length; + job->iv_len_in_bytes = session->iv.length; /* Data Parameter */ job->src = rte_pktmbuf_mtod(m_src, uint8_t *); job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset); - job->cipher_start_src_offset_in_bytes = op->sym->cipher.data.offset; - job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length; + switch (job->hash_alg) { + case AES_CCM: + job->cipher_start_src_offset_in_bytes = + op->sym->aead.data.offset; + job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length; + job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset; + job->msg_len_to_hash_in_bytes = op->sym->aead.data.length; + + job->iv = rte_crypto_op_ctod_offset(op, uint8_t *, + session->iv.offset + 1); + break; + + case AES_GMAC: + if (session->cipher.mode == GCM) { + job->cipher_start_src_offset_in_bytes = + op->sym->aead.data.offset; + job->hash_start_src_offset_in_bytes = + op->sym->aead.data.offset; + job->msg_len_to_cipher_in_bytes = + op->sym->aead.data.length; + job->msg_len_to_hash_in_bytes = + op->sym->aead.data.length; + } else { + job->cipher_start_src_offset_in_bytes = + op->sym->auth.data.offset; + job->hash_start_src_offset_in_bytes = + op->sym->auth.data.offset; + job->msg_len_to_cipher_in_bytes = 0; + job->msg_len_to_hash_in_bytes = 0; + } + + job->iv = rte_crypto_op_ctod_offset(op, uint8_t *, + session->iv.offset); + break; + + default: + job->cipher_start_src_offset_in_bytes = + op->sym->cipher.data.offset; + job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length; - job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset; - job->msg_len_to_hash_in_bytes = op->sym->auth.data.length; + job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset; + job->msg_len_to_hash_in_bytes = op->sym->auth.data.length; + + job->iv = rte_crypto_op_ctod_offset(op, uint8_t *, + session->iv.offset); + } /* Set user data to be crypto operation data struct */ job->user_data = op; - job->user_data2 = m_dst; - return job; + return 0; +} + +static inline void +verify_digest(JOB_AES_HMAC *job, void *digest, uint16_t len, uint8_t *status) +{ + /* Verify digest if required */ + if (memcmp(job->auth_tag_output, digest, len) != 0) + *status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; +} + +static inline void +generate_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op, + struct aesni_mb_session *sess) +{ + /* No extra copy neeed */ + if (likely(sess->auth.req_digest_len == sess->auth.gen_digest_len)) + return; + + /* + * This can only happen for HMAC, so only digest + * for authentication algos is required + */ + memcpy(op->sym->auth.digest.data, job->auth_tag_output, + sess->auth.req_digest_len); } /** * Process a completed job and return rte_mbuf which job processed * + * @param qp Queue Pair to process * @param job JOB_AES_HMAC job to process * * @return - * - Returns processed mbuf which is trimmed of output digest used in - * verification of supplied digest in the case of a HASH_CIPHER operation + * - Returns processed crypto operation. * - Returns NULL on invalid job */ -static struct rte_crypto_op * +static inline struct rte_crypto_op * post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job) { - struct rte_crypto_op *op = - (struct rte_crypto_op *)job->user_data; - struct rte_mbuf *m_dst = - (struct rte_mbuf *)job->user_data2; - - if (op == NULL || m_dst == NULL) - return NULL; - - /* set status as successful by default */ - op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; - - /* check if job has been processed */ - if (unlikely(job->status != STS_COMPLETED)) { - op->status = RTE_CRYPTO_OP_STATUS_ERROR; - return op; - } else if (job->chain_order == HASH_CIPHER) { - /* Verify digest if required */ - if (memcmp(job->auth_tag_output, op->sym->auth.digest.data, - job->auth_tag_output_len_in_bytes) != 0) - op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; - - /* trim area used for digest from mbuf */ - rte_pktmbuf_trim(m_dst, get_digest_byte_length(job->hash_alg)); + struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data; + struct aesni_mb_session *sess = get_sym_session_private_data( + op->sym->session, + cryptodev_driver_id); + + if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) { + switch (job->status) { + case STS_COMPLETED: + op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; + + if (job->hash_alg == NULL_HASH) + break; + + if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) { + if (job->hash_alg == AES_CCM || + (job->hash_alg == AES_GMAC && + sess->cipher.mode == GCM)) + verify_digest(job, + op->sym->aead.digest.data, + sess->auth.req_digest_len, + &op->status); + else + verify_digest(job, + op->sym->auth.digest.data, + sess->auth.req_digest_len, + &op->status); + } else + generate_digest(job, op, sess); + break; + default: + op->status = RTE_CRYPTO_OP_STATUS_ERROR; + } } /* Free session if a session-less crypto op */ - if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) { + if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { + memset(sess, 0, sizeof(struct aesni_mb_session)); + memset(op->sym->session, 0, + rte_cryptodev_sym_get_header_session_size()); + rte_mempool_put(qp->sess_mp_priv, sess); rte_mempool_put(qp->sess_mp, op->sym->session); op->sym->session = NULL; } @@ -496,147 +1045,169 @@ post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job) * - Number of processed jobs */ static unsigned -handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job) +handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job, + struct rte_crypto_op **ops, uint16_t nb_ops) { struct rte_crypto_op *op = NULL; unsigned processed_jobs = 0; - while (job) { - processed_jobs++; + while (job != NULL) { op = post_process_mb_job(qp, job); - if (op) - rte_ring_enqueue(qp->processed_ops, (void *)op); - else + + if (op) { + ops[processed_jobs++] = op; + qp->stats.dequeued_count++; + } else { qp->stats.dequeue_err_count++; - job = (*qp->ops->job.get_completed_job)(&qp->mb_mgr); + break; + } + if (processed_jobs == nb_ops) + break; + + job = IMB_GET_COMPLETED_JOB(qp->mb_mgr); } return processed_jobs; } +static inline uint16_t +flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops, + uint16_t nb_ops) +{ + int processed_ops = 0; + + /* Flush the remaining jobs */ + JOB_AES_HMAC *job = IMB_FLUSH_JOB(qp->mb_mgr); + + if (job) + processed_ops += handle_completed_jobs(qp, job, + &ops[processed_ops], nb_ops - processed_ops); + + return processed_ops; +} + +static inline JOB_AES_HMAC * +set_job_null_op(JOB_AES_HMAC *job, struct rte_crypto_op *op) +{ + job->chain_order = HASH_CIPHER; + job->cipher_mode = NULL_CIPHER; + job->hash_alg = NULL_HASH; + job->cipher_direction = DECRYPT; + + /* Set user data to be crypto operation data struct */ + job->user_data = op; + + return job; +} + static uint16_t -aesni_mb_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, +aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops, uint16_t nb_ops) { - struct aesni_mb_session *sess; struct aesni_mb_qp *qp = queue_pair; - JOB_AES_HMAC *job = NULL; + struct rte_crypto_op *op; + JOB_AES_HMAC *job; - int i, processed_jobs = 0; + int retval, processed_jobs = 0; - for (i = 0; i < nb_ops; i++) { -#ifdef RTE_LIBRTE_AESNI_MB_DEBUG - if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC)) { - MB_LOG_ERR("PMD only supports symmetric crypto " - "operation requests, op (%p) is not a " - "symmetric operation.", op); - qp->stats.enqueue_err_count++; - goto flush_jobs; - } -#endif - sess = get_session(qp, ops[i]); - if (unlikely(sess == NULL)) { - qp->stats.enqueue_err_count++; - goto flush_jobs; - } + if (unlikely(nb_ops == 0)) + return 0; - job = process_crypto_op(qp, ops[i], sess); + uint8_t digest_idx = qp->digest_idx; + do { + /* Get next free mb job struct from mb manager */ + job = IMB_GET_NEXT_JOB(qp->mb_mgr); if (unlikely(job == NULL)) { - qp->stats.enqueue_err_count++; - goto flush_jobs; + /* if no free mb job structs we need to flush mb_mgr */ + processed_jobs += flush_mb_mgr(qp, + &ops[processed_jobs], + nb_ops - processed_jobs); + + if (nb_ops == processed_jobs) + break; + + job = IMB_GET_NEXT_JOB(qp->mb_mgr); } - /* Submit Job */ - job = (*qp->ops->job.submit)(&qp->mb_mgr); + /* + * Get next operation to process from ingress queue. + * There is no need to return the job to the MB_MGR + * if there are no more operations to process, since the MB_MGR + * can use that pointer again in next get_next calls. + */ + retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op); + if (retval < 0) + break; + + retval = set_mb_job_params(job, qp, op, &digest_idx); + if (unlikely(retval != 0)) { + qp->stats.dequeue_err_count++; + set_job_null_op(job, op); + } + /* Submit job to multi-buffer for processing */ +#ifdef RTE_LIBRTE_PMD_AESNI_MB_DEBUG + job = IMB_SUBMIT_JOB(qp->mb_mgr); +#else + job = IMB_SUBMIT_JOB_NOCHECK(qp->mb_mgr); +#endif /* * If submit returns a processed job then handle it, * before submitting subsequent jobs */ if (job) - processed_jobs += handle_completed_jobs(qp, job); - } + processed_jobs += handle_completed_jobs(qp, job, + &ops[processed_jobs], + nb_ops - processed_jobs); - if (processed_jobs == 0) - goto flush_jobs; - else - qp->stats.enqueued_count += processed_jobs; - return i; - -flush_jobs: - /* - * If we haven't processed any jobs in submit loop, then flush jobs - * queue to stop the output stalling - */ - job = (*qp->ops->job.flush_job)(&qp->mb_mgr); - if (job) - qp->stats.enqueued_count += handle_completed_jobs(qp, job); - - return i; -} - -static uint16_t -aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops, - uint16_t nb_ops) -{ - struct aesni_mb_qp *qp = queue_pair; + } while (processed_jobs < nb_ops); - unsigned nb_dequeued; + qp->digest_idx = digest_idx; - nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops, - (void **)ops, nb_ops); - qp->stats.dequeued_count += nb_dequeued; + if (processed_jobs < 1) + processed_jobs += flush_mb_mgr(qp, + &ops[processed_jobs], + nb_ops - processed_jobs); - return nb_dequeued; + return processed_jobs; } - -static int cryptodev_aesni_mb_uninit(const char *name); +static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev); static int cryptodev_aesni_mb_create(const char *name, - struct rte_crypto_vdev_init_params *init_params) + struct rte_vdev_device *vdev, + struct rte_cryptodev_pmd_init_params *init_params) { struct rte_cryptodev *dev; - char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN]; struct aesni_mb_private *internals; enum aesni_mb_vector_mode vector_mode; + MB_MGR *mb_mgr; /* Check CPU for support for AES instruction set */ if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) { - MB_LOG_ERR("AES instructions not supported by CPU"); + AESNI_MB_LOG(ERR, "AES instructions not supported by CPU"); return -EFAULT; } + dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params); + if (dev == NULL) { + AESNI_MB_LOG(ERR, "failed to create cryptodev vdev"); + return -ENODEV; + } + /* Check CPU for supported vector instruction set */ - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) + vector_mode = RTE_AESNI_MB_AVX512; + else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) vector_mode = RTE_AESNI_MB_AVX2; else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX)) vector_mode = RTE_AESNI_MB_AVX; - else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1)) + else vector_mode = RTE_AESNI_MB_SSE; - else { - MB_LOG_ERR("Vector instructions are not supported by CPU"); - return -EFAULT; - } - /* create a unique device name */ - if (create_unique_device_name(crypto_dev_name, - RTE_CRYPTODEV_NAME_MAX_LEN) != 0) { - MB_LOG_ERR("failed to create unique cryptodev name"); - return -EINVAL; - } - - - dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name, - sizeof(struct aesni_mb_private), init_params->socket_id); - if (dev == NULL) { - MB_LOG_ERR("failed to create cryptodev vdev"); - goto init_error; - } - - dev->dev_type = RTE_CRYPTODEV_AESNI_MB_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = rte_aesni_mb_pmd_ops; /* register rx/tx burst functions for data path */ @@ -647,18 +1218,30 @@ cryptodev_aesni_mb_create(const char *name, RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING | RTE_CRYPTODEV_FF_CPU_AESNI; + mb_mgr = alloc_mb_mgr(0); + if (mb_mgr == NULL) + return -ENOMEM; + switch (vector_mode) { case RTE_AESNI_MB_SSE: dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE; + init_mb_mgr_sse(mb_mgr); break; case RTE_AESNI_MB_AVX: dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX; + init_mb_mgr_avx(mb_mgr); break; case RTE_AESNI_MB_AVX2: dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2; + init_mb_mgr_avx2(mb_mgr); break; - default: + case RTE_AESNI_MB_AVX512: + dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512; + init_mb_mgr_avx512(mb_mgr); break; + default: + AESNI_MB_LOG(ERR, "Unsupported vector mode %u\n", vector_mode); + goto error_exit; } /* Set vector instructions mode supported */ @@ -666,56 +1249,89 @@ cryptodev_aesni_mb_create(const char *name, internals->vector_mode = vector_mode; internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs; - internals->max_nb_sessions = init_params->max_nb_sessions; + internals->mb_mgr = mb_mgr; + + AESNI_MB_LOG(INFO, "IPSec Multi-buffer library version used: %s\n", + imb_get_version_str()); return 0; -init_error: - MB_LOG_ERR("driver %s: cryptodev_aesni_create failed", name); - cryptodev_aesni_mb_uninit(crypto_dev_name); - return -EFAULT; -} +error_exit: + if (mb_mgr) + free_mb_mgr(mb_mgr); + + rte_cryptodev_pmd_destroy(dev); + return -1; +} static int -cryptodev_aesni_mb_init(const char *name, - const char *input_args) +cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev) { - struct rte_crypto_vdev_init_params init_params = { - RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS, - RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS, - rte_socket_id() + struct rte_cryptodev_pmd_init_params init_params = { + "", + sizeof(struct aesni_mb_private), + rte_socket_id(), + RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS }; + const char *name, *args; + int retval; - rte_cryptodev_parse_vdev_init_params(&init_params, input_args); + name = rte_vdev_device_name(vdev); + if (name == NULL) + return -EINVAL; + + args = rte_vdev_device_args(vdev); - RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name, - init_params.socket_id); - RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n", - init_params.max_nb_queue_pairs); - RTE_LOG(INFO, PMD, " Max number of sessions = %d\n", - init_params.max_nb_sessions); + retval = rte_cryptodev_pmd_parse_input_args(&init_params, args); + if (retval) { + AESNI_MB_LOG(ERR, "Failed to parse initialisation arguments[%s]", + args); + return -EINVAL; + } - return cryptodev_aesni_mb_create(name, &init_params); + return cryptodev_aesni_mb_create(name, vdev, &init_params); } static int -cryptodev_aesni_mb_uninit(const char *name) +cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev) { + struct rte_cryptodev *cryptodev; + struct aesni_mb_private *internals; + const char *name; + + name = rte_vdev_device_name(vdev); if (name == NULL) return -EINVAL; - RTE_LOG(INFO, PMD, "Closing AESNI crypto device %s on numa socket %u\n", - name, rte_socket_id()); + cryptodev = rte_cryptodev_pmd_get_named_dev(name); + if (cryptodev == NULL) + return -ENODEV; - return 0; + internals = cryptodev->data->dev_private; + + free_mb_mgr(internals->mb_mgr); + + return rte_cryptodev_pmd_destroy(cryptodev); } -static struct rte_driver cryptodev_aesni_mb_pmd_drv = { - .name = CRYPTODEV_NAME_AESNI_MB_PMD, - .type = PMD_VDEV, - .init = cryptodev_aesni_mb_init, - .uninit = cryptodev_aesni_mb_uninit +static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = { + .probe = cryptodev_aesni_mb_probe, + .remove = cryptodev_aesni_mb_remove }; -PMD_REGISTER_DRIVER(cryptodev_aesni_mb_pmd_drv); +static struct cryptodev_driver aesni_mb_crypto_drv; + +RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv); +RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd); +RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD, + "max_nb_queue_pairs= " + "socket_id="); +RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_mb_crypto_drv, + cryptodev_aesni_mb_pmd_drv.driver, + cryptodev_driver_id); + +RTE_INIT(aesni_mb_init_log) +{ + aesni_mb_logtype_driver = rte_log_register("pmd.crypto.aesni_mb"); +}