From patchwork Fri Jan 5 09:39:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, Ravi1" X-Patchwork-Id: 32958 X-Patchwork-Delegate: pablo.de.lara.guarch@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E980D1B1DB; Fri, 5 Jan 2018 10:40:47 +0100 (CET) Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on0082.outbound.protection.outlook.com [104.47.32.82]) by dpdk.org (Postfix) with ESMTP id 996031B172 for ; Fri, 5 Jan 2018 10:40:44 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=K6gEHGyiXzCKK0qiM0DtD89Efl3yW29hNp+Iqta+z44=; b=xEfSH5kuZ0pZu2UMyDZ5ZsWhCyYJoIHXxVqUEoEPPVSpP92ujfPnpziXCjyCurN76G7AV1ZJWINSxT6cVbOIvxCECWBrbll7Fqjbhlgh3cTR9GrmbQROwTAENzQOxMtepnUggK3Lyp7WOe+nn6JATl9/bMkC7KU0pt9KVc2h180= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Ravi1.Kumar@amd.com; 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BN6PR12MB1508; 20:Mjv1iSKocrCdWgF40Y6kFhpmo1S6lbwlfDCcXYiOhlmDC/VytqbxKh0ZNeLTS91/0FbVvNS7fzB0tysLn5SSLgrFvvEmPwF79NhItNmQjNYzexPb/umiqpCqlXeLCYTFqT6LC1r4rzD8gkBLFCKhCd2YFmtz8syeKqnxq4bf+pom2QW2Cvbd+QIxZ9JHHmKJVV5ROVirbEYgFF8OpwqJ4HxeRjBaySKQeA8I5qdtXlN2PG9vSazzC6DKKpyvJJ/O X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jan 2018 09:40:42.1703 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: eaa35c76-cb19-41f4-76d2-08d5542063af X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1508 Subject: [dpdk-dev] [PATCH v2 13/20] crypto/ccp: add aes-gcm aead algo support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Ravi Kumar --- drivers/crypto/ccp/ccp_crypto.c | 240 ++++++++++++++++++++++++++++++++++++++- drivers/crypto/ccp/ccp_pmd_ops.c | 30 +++++ 2 files changed, 266 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/ccp/ccp_crypto.c b/drivers/crypto/ccp/ccp_crypto.c index 6e593d8..4ced193 100644 --- a/drivers/crypto/ccp/ccp_crypto.c +++ b/drivers/crypto/ccp/ccp_crypto.c @@ -299,6 +299,7 @@ ccp_configure_session_aead(struct ccp_session *sess, const struct rte_crypto_sym_xform *xform) { const struct rte_crypto_aead_xform *aead_xform = NULL; + size_t i; aead_xform = &xform->aead; @@ -313,6 +314,7 @@ ccp_configure_session_aead(struct ccp_session *sess, sess->cipher.dir = CCP_CIPHER_DIR_DECRYPT; sess->auth.op = CCP_AUTH_OP_VERIFY; } + sess->aead_algo = aead_xform->algo; sess->auth.aad_length = aead_xform->aad_length; sess->auth.digest_length = aead_xform->digest_length; @@ -321,10 +323,37 @@ ccp_configure_session_aead(struct ccp_session *sess, sess->iv.length = aead_xform->iv.length; switch (aead_xform->algo) { + case RTE_CRYPTO_AEAD_AES_GCM: + sess->cipher.algo = CCP_CIPHER_ALGO_AES_GCM; + sess->cipher.um.aes_mode = CCP_AES_MODE_GCTR; + sess->cipher.engine = CCP_ENGINE_AES; + if (sess->cipher.key_length == 16) + sess->cipher.ut.aes_type = CCP_AES_TYPE_128; + else if (sess->cipher.key_length == 24) + sess->cipher.ut.aes_type = CCP_AES_TYPE_192; + else if (sess->cipher.key_length == 32) + sess->cipher.ut.aes_type = CCP_AES_TYPE_256; + else { + CCP_LOG_ERR("Invalid aead key length"); + return -1; + } + for (i = 0; i < sess->cipher.key_length; i++) + sess->cipher.key_ccp[sess->cipher.key_length - i - 1] = + sess->cipher.key[i]; + sess->auth.algo = CCP_AUTH_ALGO_AES_GCM; + sess->auth.engine = CCP_ENGINE_AES; + sess->auth.um.aes_mode = CCP_AES_MODE_GHASH; + sess->auth.ctx_len = CCP_SB_BYTES; + sess->auth.offset = 0; + sess->auth.block_size = AES_BLOCK_SIZE; + sess->cmd_id = CCP_CMD_COMBINED; + break; default: CCP_LOG_ERR("Unsupported aead algo"); return -ENOTSUP; } + sess->cipher.nonce_phys = rte_mem_virt2phy(sess->cipher.nonce); + sess->cipher.key_phys = rte_mem_virt2phy(sess->cipher.key_ccp); return 0; } @@ -447,10 +476,27 @@ ccp_aead_slot(struct ccp_session *session) int count = 0; switch (session->aead_algo) { + case RTE_CRYPTO_AEAD_AES_GCM: + break; default: CCP_LOG_ERR("Unsupported aead algo %d", session->aead_algo); } + switch (session->auth.algo) { + case CCP_AUTH_ALGO_AES_GCM: + count = 5; + /** + * 1. Passthru iv + * 2. Hash AAD + * 3. GCTR + * 4. Reload passthru + * 5. Hash Final tag + */ + break; + default: + CCP_LOG_ERR("Unsupported combined auth ALGO %d", + session->auth.algo); + } return count; } @@ -873,6 +919,184 @@ ccp_perform_3des(struct rte_crypto_op *op, return 0; } +static int +ccp_perform_aes_gcm(struct rte_crypto_op *op, struct ccp_queue *cmd_q) +{ + struct ccp_session *session; + union ccp_function function; + uint8_t *lsb_buf, *append_ptr, *iv; + struct ccp_passthru pst; + struct ccp_desc *desc; + uint32_t tail; + uint64_t *temp; + phys_addr_t src_addr, dest_addr, key_addr, aad_addr; + phys_addr_t digest_dest_addr; + int length, non_align_len, i; + + session = (struct ccp_session *)get_session_private_data( + op->sym->session, + ccp_cryptodev_driver_id); + iv = rte_crypto_op_ctod_offset(op, uint8_t *, session->iv.offset); + key_addr = rte_mem_virt2phy(session->cipher.key_ccp); + + src_addr = rte_pktmbuf_mtophys_offset(op->sym->m_src, + op->sym->cipher.data.offset); + if (unlikely(op->sym->m_dst != NULL)) + dest_addr = rte_pktmbuf_mtophys_offset(op->sym->m_dst, + op->sym->cipher.data.offset); + else + dest_addr = src_addr; + append_ptr = (uint8_t *)rte_pktmbuf_append(op->sym->m_src, + session->auth.ctx_len); + digest_dest_addr = (phys_addr_t)rte_mem_virt2phy((void *)append_ptr); + append_ptr += AES_BLOCK_SIZE; + temp = (uint64_t *)append_ptr; + *temp++ = rte_bswap64(session->auth.aad_length << 3); + *temp = rte_bswap64(op->sym->cipher.data.length << 3); + + non_align_len = op->sym->cipher.data.length % AES_BLOCK_SIZE; + length = CCP_ALIGN(op->sym->cipher.data.length, AES_BLOCK_SIZE); + + aad_addr = rte_mem_virt2phy((void *)op->sym->aead.aad.data); + + /* CMD1 IV Passthru */ + for (i = 0; i < CTR_IV_SIZE; i++) + session->cipher.nonce[CTR_NONCE_SIZE + CTR_IV_SIZE - 1 - i] = + iv[i]; + lsb_buf = session->cipher.nonce; + + pst.src_addr = (phys_addr_t)rte_mem_virt2phy((void *) lsb_buf); + pst.dest_addr = (phys_addr_t)(cmd_q->sb_iv * CCP_SB_BYTES); + pst.len = CCP_SB_BYTES; + pst.dir = 1; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + ccp_perform_passthru(&pst, cmd_q); + + /* CMD2 GHASH-AAD */ + function.raw = 0; + CCP_AES_ENCRYPT(&function) = CCP_AES_MODE_GHASH_AAD; + CCP_AES_MODE(&function) = CCP_AES_MODE_GHASH; + CCP_AES_TYPE(&function) = session->cipher.ut.aes_type; + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_AES; + CCP_CMD_INIT(desc) = 1; + CCP_CMD_FUNCTION(desc) = function.raw; + + CCP_CMD_LEN(desc) = session->auth.aad_length; + + CCP_CMD_SRC_LO(desc) = ((uint32_t)aad_addr); + CCP_CMD_SRC_HI(desc) = high32_value(aad_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_KEY_LO(desc) = ((uint32_t)key_addr); + CCP_CMD_KEY_HI(desc) = high32_value(key_addr); + CCP_CMD_KEY_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_iv; + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + /* CMD3 : GCTR Plain text */ + function.raw = 0; + CCP_AES_ENCRYPT(&function) = session->cipher.dir; + CCP_AES_MODE(&function) = CCP_AES_MODE_GCTR; + CCP_AES_TYPE(&function) = session->cipher.ut.aes_type; + if (non_align_len == 0) + CCP_AES_SIZE(&function) = (AES_BLOCK_SIZE << 3) - 1; + else + CCP_AES_SIZE(&function) = (non_align_len << 3) - 1; + + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_AES; + CCP_CMD_EOM(desc) = 1; + CCP_CMD_FUNCTION(desc) = function.raw; + + CCP_CMD_LEN(desc) = length; + + CCP_CMD_SRC_LO(desc) = ((uint32_t)src_addr); + CCP_CMD_SRC_HI(desc) = high32_value(src_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_DST_LO(desc) = ((uint32_t)dest_addr); + CCP_CMD_DST_HI(desc) = high32_value(dest_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_KEY_LO(desc) = ((uint32_t)key_addr); + CCP_CMD_KEY_HI(desc) = high32_value(key_addr); + CCP_CMD_KEY_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_iv; + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + /* CMD4 : PT to copy IV */ + pst.src_addr = (phys_addr_t)rte_mem_virt2phy((void *) lsb_buf); + pst.dest_addr = (phys_addr_t)(cmd_q->sb_iv * CCP_SB_BYTES); + pst.len = AES_BLOCK_SIZE; + pst.dir = 1; + pst.bit_mod = CCP_PASSTHRU_BITWISE_NOOP; + pst.byte_swap = CCP_PASSTHRU_BYTESWAP_NOOP; + ccp_perform_passthru(&pst, cmd_q); + + /* CMD5 : GHASH-Final */ + function.raw = 0; + CCP_AES_ENCRYPT(&function) = CCP_AES_MODE_GHASH_FINAL; + CCP_AES_MODE(&function) = CCP_AES_MODE_GHASH; + CCP_AES_TYPE(&function) = session->cipher.ut.aes_type; + + desc = &cmd_q->qbase_desc[cmd_q->qidx]; + memset(desc, 0, Q_DESC_SIZE); + + CCP_CMD_ENGINE(desc) = CCP_ENGINE_AES; + CCP_CMD_FUNCTION(desc) = function.raw; + /* Last block (AAD_len || PT_len)*/ + CCP_CMD_LEN(desc) = AES_BLOCK_SIZE; + + CCP_CMD_SRC_LO(desc) = ((uint32_t)digest_dest_addr + AES_BLOCK_SIZE); + CCP_CMD_SRC_HI(desc) = high32_value(digest_dest_addr + AES_BLOCK_SIZE); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_DST_LO(desc) = ((uint32_t)digest_dest_addr); + CCP_CMD_DST_HI(desc) = high32_value(digest_dest_addr); + CCP_CMD_SRC_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_KEY_LO(desc) = ((uint32_t)key_addr); + CCP_CMD_KEY_HI(desc) = high32_value(key_addr); + CCP_CMD_KEY_MEM(desc) = CCP_MEMTYPE_SYSTEM; + + CCP_CMD_LSB_ID(desc) = cmd_q->sb_iv; + + cmd_q->qidx = (cmd_q->qidx + 1) % COMMANDS_PER_QUEUE; + rte_wmb(); + + tail = (uint32_t)(cmd_q->qbase_phys_addr + cmd_q->qidx * Q_DESC_SIZE); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_TAIL_LO_BASE, tail); + CCP_WRITE_REG(cmd_q->reg_base, CMD_Q_CONTROL_BASE, + cmd_q->qcontrol | CMD_Q_RUN); + + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + return 0; +} + static inline int ccp_crypto_cipher(struct rte_crypto_op *op, struct ccp_queue *cmd_q, @@ -939,17 +1163,25 @@ ccp_crypto_auth(struct rte_crypto_op *op, static inline int ccp_crypto_aead(struct rte_crypto_op *op, - struct ccp_queue *cmd_q __rte_unused, - struct ccp_batch_info *b_info __rte_unused) + struct ccp_queue *cmd_q, + struct ccp_batch_info *b_info) { int result = 0; struct ccp_session *session; session = (struct ccp_session *)get_session_private_data( - op->sym->session, + op->sym->session, ccp_cryptodev_driver_id); - switch (session->aead_algo) { + switch (session->auth.algo) { + case CCP_AUTH_ALGO_AES_GCM: + if (session->cipher.algo != CCP_CIPHER_ALGO_AES_GCM) { + CCP_LOG_ERR("Incorrect chain order"); + return -1; + } + result = ccp_perform_aes_gcm(op, cmd_q); + b_info->desccnt += 5; + break; default: CCP_LOG_ERR("Unsupported aead algo %d", session->aead_algo); diff --git a/drivers/crypto/ccp/ccp_pmd_ops.c b/drivers/crypto/ccp/ccp_pmd_ops.c index 59e7285..2309e9f 100644 --- a/drivers/crypto/ccp/ccp_pmd_ops.c +++ b/drivers/crypto/ccp/ccp_pmd_ops.c @@ -140,6 +140,36 @@ static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = { }, } }, } }, + { /* AES GCM */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD, + {.aead = { + .algo = RTE_CRYPTO_AEAD_AES_GCM, + .block_size = 16, + .key_size = { + .min = 16, + .max = 32, + .increment = 8 + }, + .digest_size = { + .min = 16, + .max = 16, + .increment = 0 + }, + .aad_size = { + .min = 0, + .max = 65535, + .increment = 1 + }, + .iv_size = { + .min = 12, + .max = 16, + .increment = 4 + }, + }, } + }, } + }, RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() };