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From: Hemant Agrawal <hemant.agrawal@nxp.com>
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Gagandeep Singh <g.singh@nxp.com>
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Subject: [dpdk-dev] [PATCH v4 06/15] crypto/dpaa2_sec: support AUTH only
with raw buffer APIs
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From: Gagandeep Singh <g.singh@nxp.com>
Auth only with raw buffer APIs has been supported in this patch.
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h | 21 ----
drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c | 114 ++++++++++++++++++--
2 files changed, 108 insertions(+), 27 deletions(-)
diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
index e9b888186e..f397b756e8 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
@@ -231,27 +231,6 @@ typedef struct dpaa2_sec_session_entry {
static const struct rte_cryptodev_capabilities dpaa2_sec_capabilities[] = {
/* Symmetric capabilities */
- { /* NULL (AUTH) */
- .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
- {.sym = {
- .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
- {.auth = {
- .algo = RTE_CRYPTO_AUTH_NULL,
- .block_size = 1,
- .key_size = {
- .min = 0,
- .max = 0,
- .increment = 0
- },
- .digest_size = {
- .min = 0,
- .max = 0,
- .increment = 0
- },
- .iv_size = { 0 }
- }, },
- }, },
- },
{ /* MD5 */
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
{.sym = {
diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c
index 8925c8e938..471c81b9e7 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_raw_dp.c
@@ -11,6 +11,8 @@
#include "dpaa2_sec_priv.h"
#include "dpaa2_sec_logs.h"
+#include <desc/algo.h>
+
struct dpaa2_sec_raw_dp_ctx {
dpaa2_sec_session *session;
uint32_t tail;
@@ -73,14 +75,114 @@ build_raw_dp_auth_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 qbman_fle *fle, *sge, *ip_fle, *op_fle;
+ struct sec_flow_context *flc;
+ int total_len = 0, data_len = 0, data_offset;
+ uint8_t *old_digest;
+ struct ctxt_priv *priv = sess->ctxt;
+ unsigned int i;
+
+ for (i = 0; i < sgl->num; i++)
+ total_len += sgl->vec[i].len;
+
+ data_len = total_len - ofs.ofs.auth.head - ofs.ofs.auth.tail;
+ data_offset = ofs.ofs.auth.head;
+
+ if (sess->auth_alg == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
+ sess->auth_alg == RTE_CRYPTO_AUTH_ZUC_EIA3) {
+ if ((data_len & 7) || (data_offset & 7)) {
+ DPAA2_SEC_ERR("AUTH: len/offset must be full bytes");
+ return -ENOTSUP;
+ }
+
+ data_len = data_len >> 3;
+ data_offset = data_offset >> 3;
+ }
+ fle = (struct qbman_fle *)rte_malloc(NULL,
+ FLE_SG_MEM_SIZE(2 * sgl->num),
+ RTE_CACHE_LINE_SIZE);
+ if (unlikely(!fle)) {
+ DPAA2_SEC_ERR("AUTH SG: Memory alloc failed for SGE");
+ return -ENOMEM;
+ }
+ memset(fle, 0, FLE_SG_MEM_SIZE(2*sgl->num));
+ /* first FLE entry used to store mbuf and session ctxt */
+ 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;
+
+ flc = &priv->flc_desc[DESC_INITFINAL].flc;
+
+ /* sg FD */
+ DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
+ DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
+ DPAA2_SET_FD_COMPOUND_FMT(fd);
+
+ /* o/p fle */
+ DPAA2_SET_FLE_ADDR(op_fle,
+ DPAA2_VADDR_TO_IOVA(digest->va));
+ op_fle->length = sess->digest_length;
+
+ /* i/p fle */
+ DPAA2_SET_FLE_SG_EXT(ip_fle);
+ DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge));
+ ip_fle->length = data_len;
+
+ if (sess->iv.length) {
+ uint8_t *iv_ptr;
+
+ iv_ptr = rte_crypto_op_ctod_offset(userdata, uint8_t *,
+ sess->iv.offset);
+
+ if (sess->auth_alg == RTE_CRYPTO_AUTH_SNOW3G_UIA2) {
+ iv_ptr = conv_to_snow_f9_iv(iv_ptr);
+ sge->length = 12;
+ } else if (sess->auth_alg == RTE_CRYPTO_AUTH_ZUC_EIA3) {
+ iv_ptr = conv_to_zuc_eia_iv(iv_ptr);
+ sge->length = 8;
+ } else {
+ sge->length = sess->iv.length;
+ }
+ DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr));
+ ip_fle->length += sge->length;
+ sge++;
+ }
+ /* i/p 1st seg */
+ DPAA2_SET_FLE_ADDR(sge, sgl->vec[0].iova);
+ DPAA2_SET_FLE_OFFSET(sge, data_offset);
+
+ if (data_len <= (int)(sgl->vec[0].len - data_offset)) {
+ sge->length = data_len;
+ data_len = 0;
+ } else {
+ sge->length = sgl->vec[0].len - data_offset;
+ 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) {
+ /* Digest verification case */
+ sge++;
+ old_digest = (uint8_t *)(sge + 1);
+ rte_memcpy(old_digest, digest->va,
+ sess->digest_length);
+ DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_digest));
+ sge->length = sess->digest_length;
+ ip_fle->length += sess->digest_length;
+ }
+ DPAA2_SET_FLE_FIN(sge);
+ DPAA2_SET_FLE_FIN(ip_fle);
+ DPAA2_SET_FD_LEN(fd, ip_fle->length);
return 0;
}
--
2.17.1