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Gagandeep Singh <g.singh@nxp.com>
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Subject: [dpdk-dev] [PATCH v5 08/15] crypto/dpaa2_sec: support AEAD with raw
buffer APIs
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From: Gagandeep Singh <g.singh@nxp.com>
add raw vector API support for AEAD algos.
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
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..5c29c61f9d 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 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;
--
2.17.1