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Thu, 12 Aug 2021 07:16:16 +0000 From: Hemant Agrawal To: dev@dpdk.org, gakhil@marvell.com Cc: Gagandeep Singh Date: Thu, 12 Aug 2021 12:42:35 +0530 Message-Id: <20210812071244.28799-8-hemant.agrawal@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210812071244.28799-1-hemant.agrawal@nxp.com> References: <20210812071244.28799-1-hemant.agrawal@nxp.com> X-ClientProxiedBy: SG2PR02CA0105.apcprd02.prod.outlook.com (2603:1096:4:92::21) To DU2PR04MB8630.eurprd04.prod.outlook.com (2603:10a6:10:2dd::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dpdk-xeon.ap.freescale.net (92.120.0.67) by SG2PR02CA0105.apcprd02.prod.outlook.com (2603:1096:4:92::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4415.14 via Frontend Transport; Thu, 12 Aug 2021 07:16:15 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2d64500e-c6d4-4a94-7c9d-08d95d611308 X-MS-TrafficTypeDiagnostic: DB9PR04MB8461: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2803; 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- RTE_SET_USED(sgl); - RTE_SET_USED(iv); - RTE_SET_USED(digest); RTE_SET_USED(auth_iv); - RTE_SET_USED(ofs); - RTE_SET_USED(userdata); - RTE_SET_USED(fd); + + dpaa2_sec_session *sess = + ((struct dpaa2_sec_raw_dp_ctx *)drv_ctx)->session; + struct ctxt_priv *priv = sess->ctxt; + struct qbman_fle *fle, *sge, *ip_fle, *op_fle; + struct sec_flow_context *flc; + int data_len = 0, auth_len = 0, cipher_len = 0; + unsigned int i = 0; + uint16_t auth_hdr_len = ofs.ofs.cipher.head - + ofs.ofs.auth.head; + + uint16_t auth_tail_len = ofs.ofs.auth.tail; + uint32_t auth_only_len = (auth_tail_len << 16) | auth_hdr_len; + int icv_len = sess->digest_length; + uint8_t *old_icv; + uint8_t *iv_ptr = iv->va; + + for (i = 0; i < sgl->num; i++) + data_len += sgl->vec[i].len; + + cipher_len = data_len - ofs.ofs.cipher.head - ofs.ofs.cipher.tail; + auth_len = data_len - ofs.ofs.auth.head - ofs.ofs.auth.tail; + /* first FLE entry used to store session ctxt */ + fle = (struct qbman_fle *)rte_malloc(NULL, + FLE_SG_MEM_SIZE(2 * sgl->num), + RTE_CACHE_LINE_SIZE); + if (unlikely(!fle)) { + DPAA2_SEC_ERR("AUTHENC SG: Memory alloc failed for SGE"); + return -ENOMEM; + } + memset(fle, 0, FLE_SG_MEM_SIZE(2 * sgl->num)); + DPAA2_SET_FLE_ADDR(fle, (size_t)userdata); + DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv); + + op_fle = fle + 1; + ip_fle = fle + 2; + sge = fle + 3; + + /* Save the shared descriptor */ + flc = &priv->flc_desc[0].flc; + + /* Configure FD as a FRAME LIST */ + DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle)); + DPAA2_SET_FD_COMPOUND_FMT(fd); + DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc)); + + /* Configure Output FLE with Scatter/Gather Entry */ + DPAA2_SET_FLE_SG_EXT(op_fle); + DPAA2_SET_FLE_ADDR(op_fle, DPAA2_VADDR_TO_IOVA(sge)); + + if (auth_only_len) + DPAA2_SET_FLE_INTERNAL_JD(op_fle, auth_only_len); + + op_fle->length = (sess->dir == DIR_ENC) ? + (cipher_len + icv_len) : + cipher_len; + + /* Configure Output SGE for Encap/Decap */ + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, ofs.ofs.auth.head); + sge->length = sgl->vec[0].len - ofs.ofs.auth.head; + + /* o/p segs */ + for (i = 1; i < sgl->num; i++) { + sge++; + DPAA2_SET_FLE_ADDR(sge, sgl->vec[i].iova); + DPAA2_SET_FLE_OFFSET(sge, 0); + sge->length = sgl->vec[i].len; + } + + if (sess->dir == DIR_ENC) { + sge++; + DPAA2_SET_FLE_ADDR(sge, + digest->iova); + sge->length = icv_len; + } + DPAA2_SET_FLE_FIN(sge); + + sge++; + + /* Configure Input FLE with Scatter/Gather Entry */ + DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge)); + DPAA2_SET_FLE_SG_EXT(ip_fle); + DPAA2_SET_FLE_FIN(ip_fle); + + ip_fle->length = (sess->dir == DIR_ENC) ? + (auth_len + sess->iv.length) : + (auth_len + sess->iv.length + + icv_len); + + /* Configure Input SGE for Encap/Decap */ + DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr)); + sge->length = sess->iv.length; + + sge++; + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, ofs.ofs.auth.head); + sge->length = sgl->vec[0].len - ofs.ofs.auth.head; + + for (i = 1; i < sgl->num; i++) { + sge++; + DPAA2_SET_FLE_ADDR(sge, sgl->vec[i].iova); + DPAA2_SET_FLE_OFFSET(sge, 0); + sge->length = sgl->vec[i].len; + } + + if (sess->dir == DIR_DEC) { + sge++; + old_icv = (uint8_t *)(sge + 1); + memcpy(old_icv, digest->va, + icv_len); + DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_icv)); + sge->length = icv_len; + } + + DPAA2_SET_FLE_FIN(sge); + if (auth_only_len) { + DPAA2_SET_FLE_INTERNAL_JD(ip_fle, auth_only_len); + DPAA2_SET_FD_INTERNAL_JD(fd, auth_only_len); + } + DPAA2_SET_FD_LEN(fd, ip_fle->length); return 0; }