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GET /api/patches/42722/?format=api
{ "id": 42722, "url": "http://patches.dpdk.org/api/patches/42722/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1531236801-5931-3-git-send-email-shally.verma@caviumnetworks.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1531236801-5931-3-git-send-email-shally.verma@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1531236801-5931-3-git-send-email-shally.verma@caviumnetworks.com", "date": "2018-07-10T15:33:19", "name": "[v5,2/4] cryptodev: support asymmetric operations", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "6fd310027e99969de671c3fc161f9f7e4597f78a", "submitter": { "id": 960, "url": "http://patches.dpdk.org/api/people/960/?format=api", "name": "Shally Verma", "email": "shally.verma@caviumnetworks.com" }, "delegate": { "id": 22, "url": "http://patches.dpdk.org/api/users/22/?format=api", "username": "pdelarag", "first_name": "Pablo", "last_name": "de Lara Guarch", "email": "pablo.de.lara.guarch@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1531236801-5931-3-git-send-email-shally.verma@caviumnetworks.com/mbox/", "series": [ { "id": 499, "url": "http://patches.dpdk.org/api/series/499/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=499", "date": "2018-07-10T15:33:17", "name": "crypto: add asym crypto support", "version": 5, "mbox": "http://patches.dpdk.org/series/499/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42722/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/42722/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id D20071B49E;\n\tTue, 10 Jul 2018 17:34:05 +0200 (CEST)", "from NAM04-SN1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr700045.outbound.protection.outlook.com [40.107.70.45])\n\tby dpdk.org (Postfix) with ESMTP id DD4A91B477\n\tfor <dev@dpdk.org>; Tue, 10 Jul 2018 17:34:03 +0200 (CEST)", "from hyd1sverma-dt.caveonetworks.com (115.113.156.2) by\n\tDM5PR0701MB3639.namprd07.prod.outlook.com (2603:10b6:4:7e::11) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.930.20; Tue, 10 Jul 2018 15:34:00 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=PAM2ikgL0kwKe+FoWhQ2dVax8HrcTlAh1NLDkLonDRk=;\n\tb=EQRYy6cYa94ljJMaSULXdhFfmWFNv/TN0B2UWTh6fv3XKY+wj8lRxFaC/rS/LPku4Q5hOh3rUj9GFOi6cuF4CCWiMLk0CKfg9be9c7Puo4pt70iulEiuZ169jdgBvVj/e8RHJ/s83iONrwza7ysTe3ss254J2aE/AzrlPCTpRu4=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Shally.Verma@cavium.com; ", "From": "Shally Verma <shally.verma@caviumnetworks.com>", "To": "pablo.de.lara.guarch@intel.com", "Cc": "dev@dpdk.org, pathreya@caviumnetworks.com, nmurthy@caviumnetworks.com,\n\tAshish Gupta <ashish.gupta@caviumnetworks.com>,\n\tSunila Sahu <sunila.sahu@caviumnetworks.com>,\n\tUmesh Kartha <umesh.kartha@caviumnetworks.com>", "Date": "Tue, 10 Jul 2018 21:03:19 +0530", "Message-Id": "<1531236801-5931-3-git-send-email-shally.verma@caviumnetworks.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": 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"X-Microsoft-Antispam-Message-Info": "D8lxPLwVvpw8DBOtDinBT4O8qkWgw89MbqygvbHRGG1UtxMbku1uPM3kolURvDCtFOGTY8XOnNfcFFnBjndRXQGewaAoU2GE1gWwgephTOcgBWhBvCjP5k3V11pI2pjbGy0Vgz4psobDkKmnK8qycfm4aobq8jYHgXWL3uNRqCr+VzrTu10XkAxvvZJ1m1CrjdQfz0D1nJnU8aD/sBCqVvE8uDNAHN9EdHxKuvEBBTw2kORusqIPQ7ShdSWeZg1DfmQPUq9oAp7zCwzehkDLkckq5r6EUXgyjqnH7WiwAHEREvYTAdHt8JukQQJjtPcTk0Ko+2LJZFyqyR4ovCgEfdFGzvpB+MxLmT9tM+4R5qw=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "10 Jul 2018 15:34:00.0749\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "0e2e037c-2fda-4548-b415-08d5e67a9053", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM5PR0701MB3639", "Subject": "[dpdk-dev] [PATCH v5 2/4] cryptodev: support asymmetric operations", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Ashish Gupta <ashish.gupta@caviumnetworks.com>\n\nExtend DPDK librte_cryptodev to:\n- define asym op type in rte_crypto_op_type and associated\n op pool create/alloc APIs\n- define asym session and associated session APIs\n\nIf PMD shows in its feature flag that it supports both sym and\nasym then it must support those on all its qps.\n\nSigned-off-by: Shally Verma <shally.verma@caviumnetworks.com>\nSigned-off-by: Sunila Sahu <sunila.sahu@caviumnetworks.com>\nSigned-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>\nSigned-off-by: Umesh Kartha <umesh.kartha@caviumnetworks.com>\n---\n lib/librte_cryptodev/rte_crypto.h | 37 +++++-\n lib/librte_cryptodev/rte_cryptodev.c | 166 ++++++++++++++++++++++++-\n lib/librte_cryptodev/rte_cryptodev.h | 91 +++++++++++++-\n lib/librte_cryptodev/rte_cryptodev_pmd.h | 57 ++++++++-\n lib/librte_cryptodev/rte_cryptodev_version.map | 6 +\n 5 files changed, 352 insertions(+), 5 deletions(-)", "diff": "diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h\nindex a16be65..fd5ef3a 100644\n--- a/lib/librte_cryptodev/rte_crypto.h\n+++ b/lib/librte_cryptodev/rte_crypto.h\n@@ -23,6 +23,7 @@ extern \"C\" {\n #include <rte_common.h>\n \n #include \"rte_crypto_sym.h\"\n+#include \"rte_crypto_asym.h\"\n \n /** Crypto operation types */\n enum rte_crypto_op_type {\n@@ -30,6 +31,8 @@ enum rte_crypto_op_type {\n \t/**< Undefined operation type */\n \tRTE_CRYPTO_OP_TYPE_SYMMETRIC,\n \t/**< Symmetric operation */\n+\tRTE_CRYPTO_OP_TYPE_ASYMMETRIC\n+\t/**< Asymmetric operation */\n };\n \n /** Status of crypto operation */\n@@ -114,6 +117,10 @@ struct rte_crypto_op {\n \tunion {\n \t\tstruct rte_crypto_sym_op sym[0];\n \t\t/**< Symmetric operation parameters */\n+\n+\t\tstruct rte_crypto_asym_op asym[0];\n+\t\t/**< Asymmetric operation parameters */\n+\n \t}; /**< operation specific parameters */\n };\n \n@@ -134,6 +141,9 @@ __rte_crypto_op_reset(struct rte_crypto_op *op, enum rte_crypto_op_type type)\n \tcase RTE_CRYPTO_OP_TYPE_SYMMETRIC:\n \t\t__rte_crypto_sym_op_reset(op->sym);\n \t\tbreak;\n+\tcase RTE_CRYPTO_OP_TYPE_ASYMMETRIC:\n+\t\tmemset(op->asym, 0, sizeof(struct rte_crypto_asym_op));\n+\tbreak;\n \tcase RTE_CRYPTO_OP_TYPE_UNDEFINED:\n \tdefault:\n \t\tbreak;\n@@ -300,9 +310,14 @@ __rte_crypto_op_get_priv_data(struct rte_crypto_op *op, uint32_t size)\n \tif (likely(op->mempool != NULL)) {\n \t\tpriv_size = __rte_crypto_op_get_priv_data_size(op->mempool);\n \n-\t\tif (likely(priv_size >= size))\n-\t\t\treturn (void *)((uint8_t *)(op + 1) +\n+\t\tif (likely(priv_size >= size)) {\n+\t\t\tif (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)\n+\t\t\t\treturn (void *)((uint8_t *)(op + 1) +\n \t\t\t\t\tsizeof(struct rte_crypto_sym_op));\n+\t\t\tif (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)\n+\t\t\t\treturn (void *)((uint8_t *)(op + 1) +\n+\t\t\t\t\tsizeof(struct rte_crypto_asym_op));\n+\t\t}\n \t}\n \n \treturn NULL;\n@@ -405,6 +420,24 @@ rte_crypto_op_attach_sym_session(struct rte_crypto_op *op,\n \treturn __rte_crypto_sym_op_attach_sym_session(op->sym, sess);\n }\n \n+/**\n+ * Attach a asymmetric session to a crypto operation\n+ *\n+ * @param\top\tcrypto operation, must be of type asymmetric\n+ * @param\tsess\tcryptodev session\n+ */\n+static inline int\n+rte_crypto_op_attach_asym_session(struct rte_crypto_op *op,\n+\t\tstruct rte_cryptodev_asym_session *sess)\n+{\n+\tif (unlikely(op->type != RTE_CRYPTO_OP_TYPE_ASYMMETRIC))\n+\t\treturn -1;\n+\n+\top->sess_type = RTE_CRYPTO_OP_WITH_SESSION;\n+\top->asym->session = sess;\n+\treturn 0;\n+}\n+\n #ifdef __cplusplus\n }\n #endif\ndiff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c\nindex fd1e738..da0d322 100644\n--- a/lib/librte_cryptodev/rte_cryptodev.c\n+++ b/lib/librte_cryptodev/rte_cryptodev.c\n@@ -166,6 +166,31 @@ rte_crypto_aead_operation_strings[] = {\n \t[RTE_CRYPTO_AEAD_OP_DECRYPT]\t= \"decrypt\"\n };\n \n+/**\n+ * Asymmetric crypto transform operation strings identifiers.\n+ */\n+const char *rte_crypto_asym_xform_strings[] = {\n+\t[RTE_CRYPTO_ASYM_XFORM_NONE]\t= \"none\",\n+\t[RTE_CRYPTO_ASYM_XFORM_RSA]\t= \"rsa\",\n+\t[RTE_CRYPTO_ASYM_XFORM_MODEX]\t= \"modexp\",\n+\t[RTE_CRYPTO_ASYM_XFORM_MODINV]\t= \"modinv\",\n+\t[RTE_CRYPTO_ASYM_XFORM_DH]\t= \"dh\",\n+\t[RTE_CRYPTO_ASYM_XFORM_DSA]\t= \"dsa\",\n+};\n+\n+/**\n+ * Asymmetric crypto operation strings identifiers.\n+ */\n+const char *rte_crypto_asym_op_strings[] = {\n+\t[RTE_CRYPTO_ASYM_OP_ENCRYPT]\t= \"encrypt\",\n+\t[RTE_CRYPTO_ASYM_OP_DECRYPT]\t= \"decrypt\",\n+\t[RTE_CRYPTO_ASYM_OP_SIGN]\t= \"sign\",\n+\t[RTE_CRYPTO_ASYM_OP_VERIFY]\t= \"verify\",\n+\t[RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]\t= \"priv_key_generate\",\n+\t[RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = \"pub_key_generate\",\n+\t[RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = \"sharedsecret_compute\",\n+};\n+\n int\n rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,\n \t\tconst char *algo_string)\n@@ -1079,6 +1104,41 @@ rte_cryptodev_sym_session_init(uint8_t dev_id,\n \treturn 0;\n }\n \n+int __rte_experimental\n+rte_cryptodev_asym_session_init(uint8_t dev_id,\n+\t\tstruct rte_cryptodev_asym_session *sess,\n+\t\tstruct rte_crypto_asym_xform *xforms,\n+\t\tstruct rte_mempool *mp)\n+{\n+\tstruct rte_cryptodev *dev;\n+\tuint8_t index;\n+\tint ret;\n+\n+\tdev = rte_cryptodev_pmd_get_dev(dev_id);\n+\n+\tif (sess == NULL || xforms == NULL || dev == NULL)\n+\t\treturn -EINVAL;\n+\n+\tindex = dev->driver_id;\n+\n+\tRTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,\n+\t\t\t\t-ENOTSUP);\n+\n+\tif (sess->sess_private_data[index] == NULL) {\n+\t\tret = dev->dev_ops->asym_session_configure(dev,\n+\t\t\t\t\t\t\txforms,\n+\t\t\t\t\t\t\tsess, mp);\n+\t\tif (ret < 0) {\n+\t\t\tCDEV_LOG_ERR(\n+\t\t\t\t\"dev_id %d failed to configure session details\",\n+\t\t\t\tdev_id);\n+\t\t\treturn ret;\n+\t\t}\n+\t}\n+\n+\treturn 0;\n+}\n+\n struct rte_cryptodev_sym_session *\n rte_cryptodev_sym_session_create(struct rte_mempool *mp)\n {\n@@ -1098,6 +1158,25 @@ rte_cryptodev_sym_session_create(struct rte_mempool *mp)\n \treturn sess;\n }\n \n+struct rte_cryptodev_asym_session * __rte_experimental\n+rte_cryptodev_asym_session_create(struct rte_mempool *mp)\n+{\n+\tstruct rte_cryptodev_asym_session *sess;\n+\n+\t/* Allocate a session structure from the session pool */\n+\tif (rte_mempool_get(mp, (void **)&sess)) {\n+\t\tCDEV_LOG_ERR(\"couldn't get object from session mempool\");\n+\t\treturn NULL;\n+\t}\n+\n+\t/* Clear device session pointer.\n+\t * Include the flag indicating presence of private data\n+\t */\n+\tmemset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));\n+\n+\treturn sess;\n+}\n+\n int\n rte_cryptodev_sym_session_clear(uint8_t dev_id,\n \t\tstruct rte_cryptodev_sym_session *sess)\n@@ -1116,6 +1195,24 @@ rte_cryptodev_sym_session_clear(uint8_t dev_id,\n \treturn 0;\n }\n \n+int __rte_experimental\n+rte_cryptodev_asym_session_clear(uint8_t dev_id,\n+\t\tstruct rte_cryptodev_asym_session *sess)\n+{\n+\tstruct rte_cryptodev *dev;\n+\n+\tdev = rte_cryptodev_pmd_get_dev(dev_id);\n+\n+\tif (dev == NULL || sess == NULL)\n+\t\treturn -EINVAL;\n+\n+\tRTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);\n+\n+\tdev->dev_ops->asym_session_clear(dev, sess);\n+\n+\treturn 0;\n+}\n+\n int\n rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)\n {\n@@ -1140,6 +1237,31 @@ rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)\n \treturn 0;\n }\n \n+int __rte_experimental\n+rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)\n+{\n+\tuint8_t i;\n+\tvoid *sess_priv;\n+\tstruct rte_mempool *sess_mp;\n+\n+\tif (sess == NULL)\n+\t\treturn -EINVAL;\n+\n+\t/* Check that all device private data has been freed */\n+\tfor (i = 0; i < nb_drivers; i++) {\n+\t\tsess_priv = get_asym_session_private_data(sess, i);\n+\t\tif (sess_priv != NULL)\n+\t\t\treturn -EBUSY;\n+\t}\n+\n+\t/* Return session to mempool */\n+\tsess_mp = rte_mempool_from_obj(sess);\n+\trte_mempool_put(sess_mp, sess);\n+\n+\treturn 0;\n+}\n+\n+\n unsigned int\n rte_cryptodev_sym_get_header_session_size(void)\n {\n@@ -1151,6 +1273,17 @@ rte_cryptodev_sym_get_header_session_size(void)\n \treturn ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));\n }\n \n+unsigned int __rte_experimental\n+rte_cryptodev_asym_get_header_session_size(void)\n+{\n+\t/*\n+\t * Header contains pointers to the private data\n+\t * of all registered drivers, and a flag which\n+\t * indicates presence of private data\n+\t */\n+\treturn ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));\n+}\n+\n unsigned int\n rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)\n {\n@@ -1180,6 +1313,29 @@ rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)\n \n }\n \n+unsigned int __rte_experimental\n+rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)\n+{\n+\tstruct rte_cryptodev *dev;\n+\tunsigned int header_size = sizeof(void *) * nb_drivers;\n+\tunsigned int priv_sess_size;\n+\n+\tif (!rte_cryptodev_pmd_is_valid_dev(dev_id))\n+\t\treturn 0;\n+\n+\tdev = rte_cryptodev_pmd_get_dev(dev_id);\n+\n+\tif (*dev->dev_ops->asym_session_get_size == NULL)\n+\t\treturn 0;\n+\n+\tpriv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);\n+\tif (priv_sess_size < header_size)\n+\t\treturn header_size;\n+\n+\treturn priv_sess_size;\n+\n+}\n+\n int __rte_experimental\n rte_cryptodev_sym_session_set_user_data(\n \t\t\t\t\tstruct rte_cryptodev_sym_session *sess,\n@@ -1239,9 +1395,17 @@ rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,\n \tstruct rte_crypto_op_pool_private *priv;\n \n \tunsigned elt_size = sizeof(struct rte_crypto_op) +\n-\t\t\tsizeof(struct rte_crypto_sym_op) +\n \t\t\tpriv_size;\n \n+\tif (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {\n+\t\telt_size += sizeof(struct rte_crypto_sym_op);\n+\t} else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {\n+\t\telt_size += sizeof(struct rte_crypto_asym_op);\n+\t} else {\n+\t\tCDEV_LOG_ERR(\"Invalid op_type\\n\");\n+\t\treturn NULL;\n+\t}\n+\n \t/* lookup mempool in case already allocated */\n \tstruct rte_mempool *mp = rte_mempool_lookup(name);\n \ndiff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h\nindex 4b279f8..f93dc71 100644\n--- a/lib/librte_cryptodev/rte_cryptodev.h\n+++ b/lib/librte_cryptodev/rte_cryptodev.h\n@@ -848,9 +848,14 @@ rte_cryptodev_enqueue_burst(uint8_t dev_id, uint16_t qp_id,\n */\n struct rte_cryptodev_sym_session {\n \t__extension__ void *sess_private_data[0];\n-\t/**< Private session material */\n+\t/**< Private symmetric session material */\n };\n \n+/** Cryptodev asymmetric crypto session */\n+struct rte_cryptodev_asym_session {\n+\t__extension__ void *sess_private_data[0];\n+\t/**< Private asymmetric session material */\n+};\n \n /**\n * Create symmetric crypto session header (generic with no private data)\n@@ -865,6 +870,18 @@ struct rte_cryptodev_sym_session *\n rte_cryptodev_sym_session_create(struct rte_mempool *mempool);\n \n /**\n+ * Create asymmetric crypto session header (generic with no private data)\n+ *\n+ * @param mempool mempool to allocate asymmetric session\n+ * objects from\n+ * @return\n+ * - On success return pointer to asym-session\n+ * - On failure returns NULL\n+ */\n+struct rte_cryptodev_asym_session * __rte_experimental\n+rte_cryptodev_asym_session_create(struct rte_mempool *mempool);\n+\n+/**\n * Frees symmetric crypto session header, after checking that all\n * the device private data has been freed, returning it\n * to its original mempool.\n@@ -880,6 +897,21 @@ int\n rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess);\n \n /**\n+ * Frees asymmetric crypto session header, after checking that all\n+ * the device private data has been freed, returning it\n+ * to its original mempool.\n+ *\n+ * @param sess Session header to be freed.\n+ *\n+ * @return\n+ * - 0 if successful.\n+ * - -EINVAL if session is NULL.\n+ * - -EBUSY if not all device private data has been freed.\n+ */\n+int __rte_experimental\n+rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess);\n+\n+/**\n * Fill out private data for the device id, based on its device type.\n *\n * @param dev_id ID of device that we want the session to be used on\n@@ -902,6 +934,27 @@ rte_cryptodev_sym_session_init(uint8_t dev_id,\n \t\t\tstruct rte_mempool *mempool);\n \n /**\n+ * Initialize asymmetric session on a device with specific asymmetric xform\n+ *\n+ * @param dev_id ID of device that we want the session to be used on\n+ * @param sess Session to be set up on a device\n+ * @param xforms Asymmetric crypto transform operations to apply on flow\n+ * processed with this session\n+ * @param mempool Mempool to be used for internal allocation.\n+ *\n+ * @return\n+ * - On success, zero.\n+ * - -EINVAL if input parameters are invalid.\n+ * - -ENOTSUP if crypto device does not support the crypto transform.\n+ * - -ENOMEM if the private session could not be allocated.\n+ */\n+int __rte_experimental\n+rte_cryptodev_asym_session_init(uint8_t dev_id,\n+\t\t\tstruct rte_cryptodev_asym_session *sess,\n+\t\t\tstruct rte_crypto_asym_xform *xforms,\n+\t\t\tstruct rte_mempool *mempool);\n+\n+/**\n * Frees private data for the device id, based on its device type,\n * returning it to its mempool. It is the application's responsibility\n * to ensure that private session data is not cleared while there are\n@@ -920,6 +973,20 @@ rte_cryptodev_sym_session_clear(uint8_t dev_id,\n \t\t\tstruct rte_cryptodev_sym_session *sess);\n \n /**\n+ * Frees resources held by asymmetric session during rte_cryptodev_session_init\n+ *\n+ * @param dev_id ID of device that uses the asymmetric session.\n+ * @param sess Asymmetric session setup on device using\n+ *\t\t\t\t\t rte_cryptodev_session_init\n+ * @return\n+ * - 0 if successful.\n+ * - -EINVAL if device is invalid or session is NULL.\n+ */\n+int __rte_experimental\n+rte_cryptodev_asym_session_clear(uint8_t dev_id,\n+\t\t\tstruct rte_cryptodev_asym_session *sess);\n+\n+/**\n * Get the size of the header session, for all registered drivers.\n *\n * @return\n@@ -929,6 +996,15 @@ unsigned int\n rte_cryptodev_sym_get_header_session_size(void);\n \n /**\n+ * Get the size of the asymmetric session header, for all registered drivers.\n+ *\n+ * @return\n+ * Size of the asymmetric header session.\n+ */\n+unsigned int __rte_experimental\n+rte_cryptodev_asym_get_header_session_size(void);\n+\n+/**\n * Get the size of the private symmetric session data\n * for a device.\n *\n@@ -943,6 +1019,19 @@ unsigned int\n rte_cryptodev_sym_get_private_session_size(uint8_t dev_id);\n \n /**\n+ * Get the size of the private data for asymmetric session\n+ * on device\n+ *\n+ * @param\tdev_id\t\tThe device identifier.\n+ *\n+ * @return\n+ * - Size of the asymmetric private data, if successful\n+ * - 0 if device is invalid or does not have private session\n+ */\n+unsigned int __rte_experimental\n+rte_cryptodev_asym_get_private_session_size(uint8_t dev_id);\n+\n+/**\n * Provide driver identifier.\n *\n * @param name\ndiff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h\nindex ac6a1c4..92763d7 100644\n--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h\n+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h\n@@ -249,6 +249,17 @@ typedef int (*cryptodev_sym_create_session_pool_t)(\n */\n typedef unsigned (*cryptodev_sym_get_session_private_size_t)(\n \t\tstruct rte_cryptodev *dev);\n+/**\n+ * Get the size of a asymmetric cryptodev session\n+ *\n+ * @param\tdev\t\tCrypto device pointer\n+ *\n+ * @return\n+ * - On success returns the size of the session structure for device\n+ * - On failure returns 0\n+ */\n+typedef unsigned int (*cryptodev_asym_get_session_private_size_t)(\n+\t\tstruct rte_cryptodev *dev);\n \n /**\n * Configure a Crypto session on a device.\n@@ -268,7 +279,24 @@ typedef int (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,\n \t\tstruct rte_crypto_sym_xform *xform,\n \t\tstruct rte_cryptodev_sym_session *session,\n \t\tstruct rte_mempool *mp);\n-\n+/**\n+ * Configure a Crypto asymmetric session on a device.\n+ *\n+ * @param\tdev\t\tCrypto device pointer\n+ * @param\txform\t\tSingle or chain of crypto xforms\n+ * @param\tpriv_sess\tPointer to cryptodev's private session structure\n+ * @param\tmp\t\tMempool where the private session is allocated\n+ *\n+ * @return\n+ * - Returns 0 if private session structure have been created successfully.\n+ * - Returns -EINVAL if input parameters are invalid.\n+ * - Returns -ENOTSUP if crypto device does not support the crypto transform.\n+ * - Returns -ENOMEM if the private session could not be allocated.\n+ */\n+typedef int (*cryptodev_asym_configure_session_t)(struct rte_cryptodev *dev,\n+\t\tstruct rte_crypto_asym_xform *xform,\n+\t\tstruct rte_cryptodev_asym_session *session,\n+\t\tstruct rte_mempool *mp);\n /**\n * Free driver private session data.\n *\n@@ -277,6 +305,14 @@ typedef int (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,\n */\n typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,\n \t\tstruct rte_cryptodev_sym_session *sess);\n+/**\n+ * Free asymmetric session private data.\n+ *\n+ * @param\tdev\t\tCrypto device pointer\n+ * @param\tsess\t\tCryptodev session structure\n+ */\n+typedef void (*cryptodev_asym_free_session_t)(struct rte_cryptodev *dev,\n+\t\tstruct rte_cryptodev_asym_session *sess);\n \n /** Crypto device operations function pointer table */\n struct rte_cryptodev_ops {\n@@ -301,10 +337,16 @@ struct rte_cryptodev_ops {\n \n \tcryptodev_sym_get_session_private_size_t sym_session_get_size;\n \t/**< Return private session. */\n+\tcryptodev_asym_get_session_private_size_t asym_session_get_size;\n+\t/**< Return asym session private size. */\n \tcryptodev_sym_configure_session_t sym_session_configure;\n \t/**< Configure a Crypto session. */\n+\tcryptodev_asym_configure_session_t asym_session_configure;\n+\t/**< Configure asymmetric Crypto session. */\n \tcryptodev_sym_free_session_t sym_session_clear;\n \t/**< Clear a Crypto sessions private data. */\n+\tcryptodev_asym_free_session_t asym_session_clear;\n+\t/**< Clear a Crypto sessions private data. */\n };\n \n \n@@ -448,6 +490,19 @@ set_sym_session_private_data(struct rte_cryptodev_sym_session *sess,\n \tsess->sess_private_data[driver_id] = private_data;\n }\n \n+static inline void *\n+get_asym_session_private_data(const struct rte_cryptodev_asym_session *sess,\n+\t\tuint8_t driver_id) {\n+\treturn sess->sess_private_data[driver_id];\n+}\n+\n+static inline void\n+set_asym_session_private_data(struct rte_cryptodev_asym_session *sess,\n+\t\tuint8_t driver_id, void *private_data)\n+{\n+\tsess->sess_private_data[driver_id] = private_data;\n+}\n+\n #ifdef __cplusplus\n }\n #endif\ndiff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map\nindex 93c7090..e63b51a 100644\n--- a/lib/librte_cryptodev/rte_cryptodev_version.map\n+++ b/lib/librte_cryptodev/rte_cryptodev_version.map\n@@ -91,6 +91,12 @@ DPDK_18.05 {\n EXPERIMENTAL {\n global:\n \n+\trte_cryptodev_asym_get_header_session_size;\n+\trte_cryptodev_asym_get_private_session_size;\n+\trte_cryptodev_asym_session_clear;\n+\trte_cryptodev_asym_session_create;\n+\trte_cryptodev_asym_session_free;\n+\trte_cryptodev_asym_session_init;\n \trte_cryptodev_sym_session_get_user_data;\n \trte_cryptodev_sym_session_set_user_data;\n };\n", "prefixes": [ "v5", "2/4" ] }