From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 69398A0524; Wed, 2 Jun 2021 18:46:44 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0365E410E6; Wed, 2 Jun 2021 18:45:49 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id B2804410EA for ; Wed, 2 Jun 2021 18:45:46 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 152GarZf016120; Wed, 2 Jun 2021 09:45:45 -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; s=pfpt0220; bh=AzWscRvCGjGtTxv3MBbMcCtrcrcvjXxLYnQOq2Y+jb4=; b=Sju5Cz339dS6C5l9YwaKbc/WBvQAKHuid2CEyf72EgKuXzTnGUuKG2+XR24irtAGdE48 rb27Ib67Ax/jj6vxOFx3FAMCNzTPuiE5xXHR+/Rmlk6c/Y7NdU7sRKZOQ+sZ3OqBwqEy qzNarxZj1UtRW/dU53lKAwBtkt7vgtO/5ByoJD/fZyvCXz/aimlICjeAWL5B3SJTN7bO Kg0Xc7EC2B/oQ1u/1qFcDCC25BQRURjqCjmGUFz3pNTQAQTb2aXqBdfbohrZRij637oW dBTyBZof1sSLqKxe9TmqEyaIa5J+ySrg6mo8U4RoL4apTyWcIaKdJbCeQKdnr/rSHbZn fg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 38wug73va0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 02 Jun 2021 09:45:45 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 2 Jun 2021 09:45:44 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 2 Jun 2021 09:45:44 -0700 Received: from HY-LT1002.marvell.com (unknown [10.193.70.1]) by maili.marvell.com (Postfix) with ESMTP id D816F3F7048; Wed, 2 Jun 2021 09:45:39 -0700 (PDT) From: Anoob Joseph To: Akhil Goyal , Thomas Monjalon CC: Tejasree Kondoj , Jerin Jacob , Ankur Dwivedi , , Anoob Joseph , Archana Muniganti Date: Wed, 2 Jun 2021 22:13:39 +0530 Message-ID: <1622652221-22732-19-git-send-email-anoobj@marvell.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1622652221-22732-1-git-send-email-anoobj@marvell.com> References: <1622652221-22732-1-git-send-email-anoobj@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: k-M65QNCebo35KQYSyipkZl0jjLlLMAk X-Proofpoint-GUID: k-M65QNCebo35KQYSyipkZl0jjLlLMAk X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-06-02_09:2021-06-02, 2021-06-02 signatures=0 Subject: [dpdk-dev] [PATCH 18/20] crypto/cnxk: add KASUMI decrypt 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 Sender: "dev" From: Tejasree Kondoj Add KASUMI decrypt support. Signed-off-by: Ankur Dwivedi Signed-off-by: Anoob Joseph Signed-off-by: Archana Muniganti Signed-off-by: Tejasree Kondoj --- drivers/crypto/cnxk/cnxk_se.h | 133 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h index c0e5cff..1bdd028 100644 --- a/drivers/crypto/cnxk/cnxk_se.h +++ b/drivers/crypto/cnxk/cnxk_se.h @@ -1758,6 +1758,137 @@ cpt_kasumi_enc_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens, } static __rte_always_inline int +cpt_kasumi_dec_prep(uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *params, struct cpt_inst_s *inst) +{ + void *m_vaddr = params->meta_buf.vaddr; + uint32_t size; + int32_t inputlen = 0, outputlen; + struct roc_se_ctx *se_ctx; + uint8_t i = 0, iv_len = 8; + uint32_t encr_offset; + uint32_t encr_data_len; + int flags; + uint8_t dir = 0; + uint64_t *offset_vaddr; + union cpt_inst_w4 cpt_inst_w4; + uint8_t *in_buffer; + uint32_t g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs) / 8; + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + + se_ctx = params->ctx_buf.vaddr; + flags = se_ctx->zsk_flags; + + cpt_inst_w4.u64 = 0; + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_KASUMI | ROC_SE_DMA_MODE; + + /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */ + cpt_inst_w4.s.opcode_minor = ((1 << 6) | (se_ctx->k_ecb << 5) | + (dir << 4) | (0 << 3) | (flags & 0x7)); + + /* + * GP op header, lengths are expected in bits. + */ + cpt_inst_w4.s.param1 = encr_data_len; + + /* consider iv len */ + encr_offset += iv_len; + + inputlen = iv_len + (RTE_ALIGN(encr_data_len, 8) / 8); + outputlen = inputlen; + + /* save space for offset ctrl & iv */ + offset_vaddr = m_vaddr; + + m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len; + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + i = 0; + + /* Offset control word followed by iv */ + *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16); + if (unlikely((encr_offset >> 16))) { + CPT_LOG_DP_ERR("Offset not supported"); + CPT_LOG_DP_ERR("enc_offset: %d", encr_offset); + return -1; + } + + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* IV */ + memcpy((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN, params->iv_buf, + iv_len); + + /* Add input data */ + size = inputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(gather_comp, i, params->src_iov, 0, + &size, NULL, 0); + if (unlikely(size)) { + CPT_LOG_DP_ERR("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter List + */ + + i = 0; + scatter_comp = (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + /* IV */ + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + ROC_SE_OFF_CTRL_LEN, iv_len); + + /* Add output data */ + size = outputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, params->dst_iov, 0, + &size, NULL, 0); + if (unlikely(size)) { + CPT_LOG_DP_ERR("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + inst->w4.u64 = cpt_inst_w4.u64; + + return 0; +} + +static __rte_always_inline int cpt_fc_dec_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, struct roc_se_fc_params *fc_params, struct cpt_inst_s *inst) @@ -1773,6 +1904,8 @@ cpt_fc_dec_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, } else if (fc_type == ROC_SE_PDCP) { ret = cpt_zuc_snow3g_dec_prep(flags, d_offs, d_lens, fc_params, inst); + } else if (fc_type == ROC_SE_KASUMI) { + ret = cpt_kasumi_dec_prep(d_offs, d_lens, fc_params, inst); } return ret; } -- 2.7.4