X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Farmv8%2Frte_armv8_pmd.c;h=a5c39c9b7ffd84370a25205e158dbe44ba19b068;hb=76df01ff622fe0ef121ba524ad8bf2dc656d892e;hp=dac4fc3c158acd77e4606342dc2242eff00c59ce;hpb=0fbd75a99fc9d2c8c7618d677d3f50fb9872b80c;p=dpdk.git diff --git a/drivers/crypto/armv8/rte_armv8_pmd.c b/drivers/crypto/armv8/rte_armv8_pmd.c index dac4fc3c15..a5c39c9b7f 100644 --- a/drivers/crypto/armv8/rte_armv8_pmd.c +++ b/drivers/crypto/armv8/rte_armv8_pmd.c @@ -1,7 +1,7 @@ /* * BSD LICENSE * - * Copyright (C) Cavium networks Ltd. 2017. + * Copyright (C) Cavium, Inc. 2017. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -13,7 +13,7 @@ * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. - * * Neither the name of Cavium networks nor the names of its + * * Neither the name of Cavium, Inc nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * @@ -45,6 +45,8 @@ #include "rte_armv8_pmd_private.h" +static uint8_t cryptodev_driver_id; + static int cryptodev_armv8_crypto_uninit(struct rte_vdev_device *vdev); /** @@ -289,27 +291,14 @@ auth_set_prerequisites(struct armv8_crypto_session *sess, * Generate authentication key, i_key_pad and o_key_pad. */ /* Zero memory under key */ - memset(sess->auth.hmac.key, 0, SHA1_AUTH_KEY_LENGTH); - - if (xform->auth.key.length > SHA1_AUTH_KEY_LENGTH) { - /* - * In case the key is longer than 160 bits - * the algorithm will use SHA1(key) instead. - */ - error = sha1_block(NULL, xform->auth.key.data, - sess->auth.hmac.key, xform->auth.key.length); - if (error != 0) - return -1; - } else { - /* - * Now copy the given authentication key to the session - * key assuming that the session key is zeroed there is - * no need for additional zero padding if the key is - * shorter than SHA1_AUTH_KEY_LENGTH. - */ - rte_memcpy(sess->auth.hmac.key, xform->auth.key.data, - xform->auth.key.length); - } + memset(sess->auth.hmac.key, 0, SHA1_BLOCK_SIZE); + + /* + * Now copy the given authentication key to the session + * key. + */ + rte_memcpy(sess->auth.hmac.key, xform->auth.key.data, + xform->auth.key.length); /* Prepare HMAC padding: key|pattern */ auth_hmac_pad_prepare(sess, xform); @@ -335,27 +324,14 @@ auth_set_prerequisites(struct armv8_crypto_session *sess, * Generate authentication key, i_key_pad and o_key_pad. */ /* Zero memory under key */ - memset(sess->auth.hmac.key, 0, SHA256_AUTH_KEY_LENGTH); - - if (xform->auth.key.length > SHA256_AUTH_KEY_LENGTH) { - /* - * In case the key is longer than 256 bits - * the algorithm will use SHA256(key) instead. - */ - error = sha256_block(NULL, xform->auth.key.data, - sess->auth.hmac.key, xform->auth.key.length); - if (error != 0) - return -1; - } else { - /* - * Now copy the given authentication key to the session - * key assuming that the session key is zeroed there is - * no need for additional zero padding if the key is - * shorter than SHA256_AUTH_KEY_LENGTH. - */ - rte_memcpy(sess->auth.hmac.key, xform->auth.key.data, - xform->auth.key.length); - } + memset(sess->auth.hmac.key, 0, SHA256_BLOCK_SIZE); + + /* + * Now copy the given authentication key to the session + * key. + */ + rte_memcpy(sess->auth.hmac.key, xform->auth.key.data, + xform->auth.key.length); /* Prepare HMAC padding: key|pattern */ auth_hmac_pad_prepare(sess, xform); @@ -415,7 +391,7 @@ armv8_crypto_set_session_chained_parameters(struct armv8_crypto_session *sess, order = sess->chain_order; break; default: - return -EINVAL; + return -ENOTSUP; } /* Select cipher direction */ sess->cipher.direction = cipher_xform->cipher.op; @@ -435,7 +411,7 @@ armv8_crypto_set_session_chained_parameters(struct armv8_crypto_session *sess, sess->cipher.iv.length = 16; break; default: - return -EINVAL; + return -ENOTSUP; } /* Select auth generate/verify */ sess->auth.operation = auth_xform->auth.op; @@ -449,9 +425,12 @@ armv8_crypto_set_session_chained_parameters(struct armv8_crypto_session *sess, sess->auth.mode = ARMV8_CRYPTO_AUTH_AS_HMAC; break; default: - return -EINVAL; + return -ENOTSUP; } + /* Set the digest length */ + sess->auth.digest_length = auth_xform->auth.digest_length; + /* Verify supported key lengths and extract proper algorithm */ switch (cipher_xform->cipher.key.length << 3) { case 128: @@ -466,7 +445,7 @@ armv8_crypto_set_session_chained_parameters(struct armv8_crypto_session *sess, default: /* Fall through */ sess->crypto_func = NULL; sess->cipher.key_sched = NULL; - return -EINVAL; + return -ENOTSUP; } if (unlikely(sess->crypto_func == NULL)) { @@ -520,7 +499,7 @@ armv8_crypto_set_session_parameters(struct armv8_crypto_session *sess, break; default: is_chained_op = false; - return -EINVAL; + return -ENOTSUP; } /* Set IV offset */ @@ -532,11 +511,11 @@ armv8_crypto_set_session_parameters(struct armv8_crypto_session *sess, if (unlikely(ret != 0)) { ARMV8_CRYPTO_LOG_ERR( "Invalid/unsupported chained (cipher/auth) parameters"); - return -EINVAL; + return ret; } } else { ARMV8_CRYPTO_LOG_ERR("Invalid/unsupported operation"); - return -EINVAL; + return -ENOTSUP; } return 0; @@ -550,28 +529,34 @@ get_session(struct armv8_crypto_qp *qp, struct rte_crypto_op *op) if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { /* get existing session */ - if (likely(op->sym->session != NULL && - op->sym->session->dev_type == - RTE_CRYPTODEV_ARMV8_PMD)) { + if (likely(op->sym->session != NULL)) { sess = (struct armv8_crypto_session *) - op->sym->session->_private; + get_session_private_data( + op->sym->session, + cryptodev_driver_id); } } else { /* provide internal session */ void *_sess = NULL; + void *_sess_private_data = NULL; - if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) { - sess = (struct armv8_crypto_session *) - ((struct rte_cryptodev_sym_session *)_sess) - ->_private; - - if (unlikely(armv8_crypto_set_session_parameters( - sess, op->sym->xform) != 0)) { - rte_mempool_put(qp->sess_mp, _sess); - sess = NULL; - } else - op->sym->session = _sess; + if (rte_mempool_get(qp->sess_mp, (void **)&_sess)) + return NULL; + + if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data)) + return NULL; + + sess = (struct armv8_crypto_session *)_sess_private_data; + + if (unlikely(armv8_crypto_set_session_parameters(sess, + op->sym->xform) != 0)) { + rte_mempool_put(qp->sess_mp, _sess); + rte_mempool_put(qp->sess_mp, _sess_private_data); + sess = NULL; } + op->sym->session = (struct rte_cryptodev_sym_session *)_sess; + set_session_private_data(op->sym->session, cryptodev_driver_id, + _sess_private_data); } if (unlikely(sess == NULL)) @@ -649,7 +634,7 @@ process_armv8_chained_op } } else { adst = (uint8_t *)rte_pktmbuf_append(m_asrc, - op->sym->auth.digest.length); + sess->auth.digest_length); } arg.cipher.iv = rte_crypto_op_ctod_offset(op, uint8_t *, @@ -667,12 +652,12 @@ process_armv8_chained_op op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) { if (memcmp(adst, op->sym->auth.digest.data, - op->sym->auth.digest.length) != 0) { + sess->auth.digest_length) != 0) { op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; } /* Trim area used for digest from mbuf. */ rte_pktmbuf_trim(m_asrc, - op->sym->auth.digest.length); + sess->auth.digest_length); } } @@ -701,6 +686,9 @@ process_op(const struct armv8_crypto_qp *qp, struct rte_crypto_op *op, /* Free session if a session-less crypto op */ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { memset(sess, 0, sizeof(struct armv8_crypto_session)); + memset(op->sym->session, 0, + rte_cryptodev_get_header_session_size()); + rte_mempool_put(qp->sess_mp, sess); rte_mempool_put(qp->sess_mp, op->sym->session); op->sym->session = NULL; } @@ -815,7 +803,7 @@ cryptodev_armv8_crypto_create(const char *name, goto init_error; } - dev->dev_type = RTE_CRYPTODEV_ARMV8_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = rte_armv8_crypto_pmd_ops; /* register rx/tx burst functions for data path */ @@ -905,3 +893,4 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_ARMV8_PMD, "max_nb_queue_pairs= " "max_nb_sessions= " "socket_id="); +RTE_PMD_REGISTER_CRYPTO_DRIVER(armv8_crypto_drv, cryptodev_driver_id);