From patchwork Mon Sep 9 13:28:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anoob Joseph X-Patchwork-Id: 59022 X-Patchwork-Delegate: gakhil@marvell.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 093331EC66; Mon, 9 Sep 2019 15:29:28 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id ECE351EC6A for ; Mon, 9 Sep 2019 15:29:25 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x89DQYth029939; Mon, 9 Sep 2019 06:29:25 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; 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Mon, 9 Sep 2019 06:29:19 -0700 (PDT) From: Anoob Joseph To: Akhil Goyal , Pablo de Lara CC: Sunila Sahu , Jerin Jacob , Narayana Prasad , Anoob Joseph , Fiona Trahe , Kanaka Durga Kotamarthy , Shally Verma , Date: Mon, 9 Sep 2019 18:58:05 +0530 Message-ID: <1568035687-25492-7-git-send-email-anoobj@marvell.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568035687-25492-1-git-send-email-anoobj@marvell.com> References: <1568035687-25492-1-git-send-email-anoobj@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.70,1.0.8 definitions=2019-09-09_06:2019-09-09,2019-09-09 signatures=0 Subject: [dpdk-dev] [PATCH 6/8] crypto/octeontx: add asymmetric op dequeue function 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" From: Sunila Sahu Add asymmetric crypto op dequeue routine Signed-off-by: Anoob Joseph Signed-off-by: Kanaka Durga Kotamarthy Signed-off-by: Sunila Sahu --- drivers/crypto/octeontx/otx_cryptodev_ops.c | 88 +++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/drivers/crypto/octeontx/otx_cryptodev_ops.c b/drivers/crypto/octeontx/otx_cryptodev_ops.c index 1f42fe8..ab1ee7e 100644 --- a/drivers/crypto/octeontx/otx_cryptodev_ops.c +++ b/drivers/crypto/octeontx/otx_cryptodev_ops.c @@ -591,6 +591,87 @@ otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops) } static __rte_always_inline void +otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req, + struct rte_crypto_rsa_xform *rsa_ctx) + +{ + struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa; + + switch (rsa->op_type) { + case RTE_CRYPTO_ASYM_OP_ENCRYPT: + rsa->cipher.length = rsa_ctx->n.length; + memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length); + break; + case RTE_CRYPTO_ASYM_OP_DECRYPT: + if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) + rsa->message.length = rsa_ctx->n.length; + else { + /* Get length of decrypted output */ + rsa->message.length = rte_cpu_to_be_16 + (*((uint16_t *)req->rptr)); + + /* Offset data pointer by length fields */ + req->rptr += 2; + } + memcpy(rsa->message.data, req->rptr, rsa->message.length); + break; + case RTE_CRYPTO_ASYM_OP_SIGN: + rsa->sign.length = rsa_ctx->n.length; + memcpy(rsa->sign.data, req->rptr, rsa->sign.length); + break; + case RTE_CRYPTO_ASYM_OP_VERIFY: + if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) + rsa->sign.length = rsa_ctx->n.length; + else { + /* Get length of decrypted output */ + rsa->sign.length = rte_cpu_to_be_16 + (*((uint16_t *)req->rptr)); + + /* Offset data pointer by length fields */ + req->rptr += 2; + } + memcpy(rsa->sign.data, req->rptr, rsa->sign.length); + + if (memcmp(rsa->sign.data, rsa->message.data, + rsa->message.length)) { + CPT_LOG_DP_ERR("RSA verification failed"); + cop->status = RTE_CRYPTO_OP_STATUS_ERROR; + } + break; + default: + CPT_LOG_DP_DEBUG("Invalid RSA operation type"); + cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; + break; + } +} + +static void +otx_cpt_asym_post_process(struct rte_crypto_op *cop, + struct cpt_request_info *req) +{ + struct rte_crypto_asym_op *op = cop->asym; + struct cpt_asym_sess_misc *sess; + + sess = get_asym_session_private_data(op->session, + otx_cryptodev_driver_id); + + switch (sess->xfrm_type) { + case RTE_CRYPTO_ASYM_XFORM_RSA: + otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx); + break; + case RTE_CRYPTO_ASYM_XFORM_MODEX: + op->modex.result.length = sess->mod_ctx.modulus.length; + memcpy(op->modex.result.data, req->rptr, + op->modex.result.length); + break; + default: + CPT_LOG_DP_DEBUG("Invalid crypto xform type"); + cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; + break; + } +} + +static __rte_always_inline void otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp) { /* H/w has returned success */ @@ -604,6 +685,13 @@ otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp) compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]); return; } + + if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) { + rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t)); + otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp); + } + + return; } static uint16_t