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Sat, 10 Sep 2022 22:24:32 -0700 (PDT) From: Zhangfei Gao To: Akhil Goyal , Declan Doherty , Fan Zhang , Ashish Gupta , Ray Kinsella Cc: dev@dpdk.org, acc@openeuler.org, Zhangfei Gao Subject: [PATCH 3/5] crypto/uadk: support cipher algorithms Date: Sun, 11 Sep 2022 13:23:42 +0800 Message-Id: <20220911052344.31239-4-zhangfei.gao@linaro.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220911052344.31239-1-zhangfei.gao@linaro.org> References: <20220911052344.31239-1-zhangfei.gao@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Cipher algorithms: * ``RTE_CRYPTO_CIPHER_AES_ECB`` * ``RTE_CRYPTO_CIPHER_AES_CBC`` * ``RTE_CRYPTO_CIPHER_AES_XTS`` * ``RTE_CRYPTO_CIPHER_DES_CBC`` Signed-off-by: Zhangfei Gao --- drivers/crypto/uadk/uadk_crypto_pmd.c | 254 +++++++++++++++++++++++++- 1 file changed, 252 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/uadk/uadk_crypto_pmd.c b/drivers/crypto/uadk/uadk_crypto_pmd.c index 486aeab08b..7ca3e3ecd8 100644 --- a/drivers/crypto/uadk/uadk_crypto_pmd.c +++ b/drivers/crypto/uadk/uadk_crypto_pmd.c @@ -30,11 +30,26 @@ struct uadk_qp { } __rte_cache_aligned; enum uadk_chain_order { + UADK_CHAIN_ONLY_CIPHER, UADK_CHAIN_NOT_SUPPORTED }; struct uadk_crypto_session { + handle_t handle_cipher; enum uadk_chain_order chain_order; + + /* IV parameters */ + struct { + uint16_t length; + uint16_t offset; + } iv; + + /* Cipher Parameters */ + struct { + enum rte_crypto_cipher_operation direction; + /* cipher operation direction */ + struct wd_cipher_req req; + } cipher; } __rte_cache_aligned; enum uadk_supported_platform { @@ -43,6 +58,7 @@ enum uadk_supported_platform { }; struct uadk_crypto_priv { + bool env_cipher_init; enum uadk_supported_platform platform; } __rte_cache_aligned; @@ -56,6 +72,86 @@ RTE_LOG_REGISTER_DEFAULT(uadk_crypto_logtype, INFO); ## __VA_ARGS__) static const struct rte_cryptodev_capabilities uadk_crypto_920_capabilities[] = { + { /* AES ECB */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { + .algo = RTE_CRYPTO_CIPHER_AES_ECB, + .block_size = 16, + .key_size = { + .min = 16, + .max = 32, + .increment = 8 + }, + .iv_size = { + .min = 0, + .max = 0, + .increment = 0 + } + }, } + }, } + }, + { /* AES CBC */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { + .algo = RTE_CRYPTO_CIPHER_AES_CBC, + .block_size = 16, + .key_size = { + .min = 16, + .max = 32, + .increment = 8 + }, + .iv_size = { + .min = 16, + .max = 16, + .increment = 0 + } + }, } + }, } + }, + { /* AES XTS */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { + .algo = RTE_CRYPTO_CIPHER_AES_XTS, + .block_size = 1, + .key_size = { + .min = 32, + .max = 64, + .increment = 32 + }, + .iv_size = { + .min = 0, + .max = 0, + .increment = 0 + } + }, } + }, } + }, + { /* DES CBC */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { + .algo = RTE_CRYPTO_CIPHER_DES_CBC, + .block_size = 8, + .key_size = { + .min = 8, + .max = 8, + .increment = 0 + }, + .iv_size = { + .min = 8, + .max = 8, + .increment = 0 + } + }, } + }, } + }, /* End of symmetric capabilities */ RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() }; @@ -83,8 +179,15 @@ uadk_crypto_pmd_stop(struct rte_cryptodev *dev __rte_unused) /* Close device */ static int -uadk_crypto_pmd_close(struct rte_cryptodev *dev __rte_unused) +uadk_crypto_pmd_close(struct rte_cryptodev *dev) { + struct uadk_crypto_priv *priv = dev->data->dev_private; + + if (priv->env_cipher_init) { + wd_cipher_env_uninit(); + priv->env_cipher_init = false; + } + return 0; } @@ -238,19 +341,107 @@ uadk_crypto_sym_session_get_size(struct rte_cryptodev *dev __rte_unused) } static enum uadk_chain_order -uadk_get_chain_order(const struct rte_crypto_sym_xform *xform __rte_unused) +uadk_get_chain_order(const struct rte_crypto_sym_xform *xform) { enum uadk_chain_order res = UADK_CHAIN_NOT_SUPPORTED; + if (xform != NULL) { + if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) { + if (xform->next == NULL) + res = UADK_CHAIN_ONLY_CIPHER; + } + } + return res; } +static int +uadk_set_session_cipher_parameters(struct rte_cryptodev *dev, + struct uadk_crypto_session *sess, + struct rte_crypto_sym_xform *xform) +{ + struct uadk_crypto_priv *priv = dev->data->dev_private; + struct rte_crypto_cipher_xform *cipher = &xform->cipher; + struct wd_cipher_sess_setup setup = {0}; + struct sched_params params = {0}; + int ret; + + if (!priv->env_cipher_init) { + ret = wd_cipher_env_init(NULL); + if (ret < 0) + return -EINVAL; + priv->env_cipher_init = true; + } + + sess->cipher.direction = cipher->op; + sess->iv.offset = cipher->iv.offset; + sess->iv.length = cipher->iv.length; + + switch (cipher->algo) { + /* Cover supported cipher algorithms */ + case RTE_CRYPTO_CIPHER_AES_CTR: + setup.alg = WD_CIPHER_AES; + setup.mode = WD_CIPHER_CTR; + sess->cipher.req.out_bytes = 64; + break; + case RTE_CRYPTO_CIPHER_AES_ECB: + setup.alg = WD_CIPHER_AES; + setup.mode = WD_CIPHER_ECB; + sess->cipher.req.out_bytes = 16; + break; + case RTE_CRYPTO_CIPHER_AES_CBC: + setup.alg = WD_CIPHER_AES; + setup.mode = WD_CIPHER_CBC; + if (cipher->key.length == 16) + sess->cipher.req.out_bytes = 16; + else + sess->cipher.req.out_bytes = 64; + break; + case RTE_CRYPTO_CIPHER_AES_XTS: + setup.alg = WD_CIPHER_AES; + setup.mode = WD_CIPHER_XTS; + if (cipher->key.length == 16) + sess->cipher.req.out_bytes = 32; + else + sess->cipher.req.out_bytes = 512; + break; + default: + ret = -ENOTSUP; + goto env_uninit; + } + + params.numa_id = -1; /* choose nearby numa node */ + setup.sched_param = ¶ms; + sess->handle_cipher = wd_cipher_alloc_sess(&setup); + if (!sess->handle_cipher) { + UADK_LOG(ERR, "uadk failed to alloc session!\n"); + ret = -EINVAL; + goto env_uninit; + } + + ret = wd_cipher_set_key(sess->handle_cipher, cipher->key.data, cipher->key.length); + if (ret) { + wd_cipher_free_sess(sess->handle_cipher); + UADK_LOG(ERR, "uadk failed to set key!\n"); + ret = -EINVAL; + goto env_uninit; + } + + return 0; + +env_uninit: + wd_cipher_env_uninit(); + priv->env_cipher_init = false; + return ret; +} + static int uadk_crypto_sym_session_configure(struct rte_cryptodev *dev, struct rte_crypto_sym_xform *xform, struct rte_cryptodev_sym_session *session, struct rte_mempool *mp) { + struct rte_crypto_sym_xform *cipher_xform = NULL; struct uadk_crypto_session *sess; int ret; @@ -263,11 +454,23 @@ uadk_crypto_sym_session_configure(struct rte_cryptodev *dev, sess->chain_order = uadk_get_chain_order(xform); switch (sess->chain_order) { + case UADK_CHAIN_ONLY_CIPHER: + cipher_xform = xform; + break; default: ret = -ENOTSUP; goto err; } + if (cipher_xform) { + ret = uadk_set_session_cipher_parameters(dev, sess, cipher_xform); + if (ret != 0) { + UADK_LOG(ERR, + "Invalid/unsupported cipher parameters"); + goto err; + } + } + set_sym_session_private_data(session, dev->driver_id, sess); return 0; @@ -288,6 +491,11 @@ uadk_crypto_sym_session_clear(struct rte_cryptodev *dev, return; } + if (priv_sess->handle_cipher) { + wd_cipher_free_sess(priv_sess->handle_cipher); + priv_sess->handle_cipher = 0; + } + set_sym_session_private_data(sess, dev->driver_id, NULL); rte_mempool_put(rte_mempool_from_obj(priv_sess), priv_sess); } @@ -307,12 +515,49 @@ static struct rte_cryptodev_ops uadk_crypto_pmd_ops = { .sym_session_clear = uadk_crypto_sym_session_clear, }; +static void +uadk_process_cipher_op(struct rte_crypto_op *op, + struct uadk_crypto_session *sess, + struct rte_mbuf *msrc, struct rte_mbuf *mdst) +{ + uint32_t off = op->sym->cipher.data.offset; + int ret; + + if (!sess) { + op->status = RTE_COMP_OP_STATUS_INVALID_ARGS; + return; + } + + sess->cipher.req.src = rte_pktmbuf_mtod_offset(msrc, uint8_t *, off); + sess->cipher.req.in_bytes = op->sym->cipher.data.length; + sess->cipher.req.dst = rte_pktmbuf_mtod_offset(mdst, uint8_t *, off); + sess->cipher.req.out_buf_bytes = sess->cipher.req.in_bytes; + sess->cipher.req.iv_bytes = sess->iv.length; + sess->cipher.req.iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->iv.offset); + if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) + sess->cipher.req.op_type = WD_CIPHER_ENCRYPTION; + else + sess->cipher.req.op_type = WD_CIPHER_DECRYPTION; + + do { + ret = wd_do_cipher_sync(sess->handle_cipher, &sess->cipher.req); + } while (ret == -WD_EBUSY); + + if (sess->cipher.req.out_buf_bytes > sess->cipher.req.in_bytes) + op->status = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED; + + if (ret) + op->status = RTE_COMP_OP_STATUS_ERROR; +} + static uint16_t uadk_crypto_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, uint16_t nb_ops) { struct uadk_qp *qp = queue_pair; struct uadk_crypto_session *sess = NULL; + struct rte_mbuf *msrc, *mdst; struct rte_crypto_op *op; uint16_t enqd = 0; int i, ret; @@ -320,6 +565,8 @@ uadk_crypto_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, for (i = 0; i < nb_ops; i++) { op = ops[i]; op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + msrc = op->sym->m_src; + mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src; if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { if (likely(op->sym->session != NULL)) @@ -330,6 +577,9 @@ uadk_crypto_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, } switch (sess->chain_order) { + case UADK_CHAIN_ONLY_CIPHER: + uadk_process_cipher_op(op, sess, msrc, mdst); + break; default: op->status = RTE_CRYPTO_OP_STATUS_ERROR; break; -- 2.36.1