From f393cd8e8561bfbd5e36a62e732fbbbdf92135ec Mon Sep 17 00:00:00 2001 From: Gagandeep Singh Date: Thu, 14 Oct 2021 00:30:25 +0530 Subject: [PATCH] crypto/dpaa2_sec: support AEAD with raw buffer API add raw vector API support for AEAD algos. Signed-off-by: Gagandeep Singh Acked-by: Akhil Goyal --- drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c | 249 +++++++++++++++++--- 1 file changed, 214 insertions(+), 35 deletions(-) diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c index 565af6dcba..9404b050d2 100644 --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c @@ -167,14 +167,126 @@ build_raw_dp_aead_fd(uint8_t *drv_ctx, void *userdata, struct qbman_fd *fd) { - RTE_SET_USED(drv_ctx); - 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; + uint32_t auth_only_len = sess->ext_params.aead_ctxt.auth_only_len; + int icv_len = sess->digest_length; + uint8_t *old_icv; + uint8_t *IV_ptr = iv->va; + unsigned int i = 0; + int data_len = 0, aead_len = 0; + + for (i = 0; i < sgl->num; i++) + data_len += sgl->vec[i].len; + + aead_len = data_len - ofs.ofs.cipher.head - ofs.ofs.cipher.tail; + + /* first FLE entry used to store mbuf and 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("GCM 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) ? + (aead_len + icv_len) : + aead_len; + + /* Configure Output SGE for Encap/Decap */ + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, ofs.ofs.cipher.head); + sge->length = sgl->vec[0].len - ofs.ofs.cipher.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) ? + (aead_len + sess->iv.length + auth_only_len) : + (aead_len + sess->iv.length + auth_only_len + + 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++; + if (auth_only_len) { + DPAA2_SET_FLE_ADDR(sge, auth_iv->iova); + sge->length = auth_only_len; + sge++; + } + + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, ofs.ofs.cipher.head); + sge->length = sgl->vec[0].len - ofs.ofs.cipher.head; + + /* i/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_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; } @@ -311,36 +423,104 @@ build_raw_dp_proto_fd(uint8_t *drv_ctx, void *userdata, struct qbman_fd *fd) { - RTE_SET_USED(drv_ctx); - 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); - return 0; -} + 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; + uint32_t in_len = 0, out_len = 0, i; -static int -build_raw_dp_proto_compound_fd(uint8_t *drv_ctx, - struct rte_crypto_sgl *sgl, - struct rte_crypto_va_iova_ptr *iv, - struct rte_crypto_va_iova_ptr *digest, - struct rte_crypto_va_iova_ptr *auth_iv, - union rte_crypto_sym_ofs ofs, - void *userdata, - struct qbman_fd *fd) -{ - RTE_SET_USED(drv_ctx); - 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); + /* first FLE entry used to store mbuf and 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_DP_ERR("Proto: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); + + /* Save the shared descriptor */ + flc = &priv->flc_desc[0].flc; + op_fle = fle + 1; + ip_fle = fle + 2; + sge = fle + 3; + + DPAA2_SET_FD_IVP(fd); + DPAA2_SET_FLE_IVP(op_fle); + DPAA2_SET_FLE_IVP(ip_fle); + + /* 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)); + + /* Configure Output SGE for Encap/Decap */ + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, 0); + sge->length = sgl->vec[0].len; + out_len += sge->length; + /* 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; + out_len += sge->length; + } + sge->length = sgl->vec[i - 1].tot_len; + out_len += sge->length; + + DPAA2_SET_FLE_FIN(sge); + op_fle->length = out_len; + + 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); + + /* Configure input SGE for Encap/Decap */ + DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova); + DPAA2_SET_FLE_OFFSET(sge, 0); + sge->length = sgl->vec[0].len; + in_len += sge->length; + /* i/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; + in_len += sge->length; + } + + ip_fle->length = in_len; + DPAA2_SET_FLE_FIN(sge); + + /* In case of PDCP, per packet HFN is stored in + * mbuf priv after sym_op. + */ + if (sess->ctxt_type == DPAA2_SEC_PDCP && sess->pdcp.hfn_ovd) { + uint32_t hfn_ovd = *(uint32_t *)((uint8_t *)userdata + + sess->pdcp.hfn_ovd_offset); + /* enable HFN override */ + DPAA2_SET_FLE_INTERNAL_JD(ip_fle, hfn_ovd); + DPAA2_SET_FLE_INTERNAL_JD(op_fle, hfn_ovd); + DPAA2_SET_FD_INTERNAL_JD(fd, hfn_ovd); + } + DPAA2_SET_FD_LEN(fd, ip_fle->length); return 0; } @@ -792,10 +972,9 @@ dpaa2_sec_configure_raw_dp_ctx(struct rte_cryptodev *dev, uint16_t qp_id, sess->build_raw_dp_fd = build_raw_dp_auth_fd; else if (sess->ctxt_type == DPAA2_SEC_CIPHER) sess->build_raw_dp_fd = build_raw_dp_cipher_fd; - else if (sess->ctxt_type == DPAA2_SEC_IPSEC) + else if (sess->ctxt_type == DPAA2_SEC_IPSEC || + sess->ctxt_type == DPAA2_SEC_PDCP) sess->build_raw_dp_fd = build_raw_dp_proto_fd; - else if (sess->ctxt_type == DPAA2_SEC_PDCP) - sess->build_raw_dp_fd = build_raw_dp_proto_compound_fd; else return -ENOTSUP; dp_ctx = (struct dpaa2_sec_raw_dp_ctx *)raw_dp_ctx->drv_ctx_data; -- 2.20.1