[dpdk-dev] [PATCH v3 21/24] crypto/dpaa2_sec: allocate context as per num segs

[Akhil Goyal]

From: Hemant Agrawal <hemant.agrawal at nxp.com>

DPAA2_SEC hardware can support any number of SG entries.
This patch allocate as many SG entries as are required.

Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
---
 drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c | 28 +++++++++++++--------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
index 165324567..b811f2f1b 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -55,7 +55,7 @@ typedef uint64_t	dma_addr_t;
 #define FLE_POOL_NUM_BUFS	32000
 #define FLE_POOL_BUF_SIZE	256
 #define FLE_POOL_CACHE_SIZE	512
-#define FLE_SG_MEM_SIZE		2048
+#define FLE_SG_MEM_SIZE(num)	(FLE_POOL_BUF_SIZE + ((num) * 32))
 #define SEC_FLC_DHR_OUTBOUND	-114
 #define SEC_FLC_DHR_INBOUND	0
 
@@ -83,13 +83,14 @@ build_proto_compound_sg_fd(dpaa2_sec_session *sess,
 		mbuf = sym_op->m_src;
 
 	/* first FLE entry used to store mbuf and session ctxt */
-	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
+	fle = (struct qbman_fle *)rte_malloc(NULL,
+			FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs),
 			RTE_CACHE_LINE_SIZE);
 	if (unlikely(!fle)) {
 		DPAA2_SEC_DP_ERR("Proto:SG: Memory alloc failed for SGE");
 		return -1;
 	}
-	memset(fle, 0, FLE_SG_MEM_SIZE);
+	memset(fle, 0, FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs));
 	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
 	DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv);
 
@@ -312,13 +313,14 @@ build_authenc_gcm_sg_fd(dpaa2_sec_session *sess,
 		mbuf = sym_op->m_src;
 
 	/* first FLE entry used to store mbuf and session ctxt */
-	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
+	fle = (struct qbman_fle *)rte_malloc(NULL,
+			FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs),
 			RTE_CACHE_LINE_SIZE);
 	if (unlikely(!fle)) {
 		DPAA2_SEC_ERR("GCM SG: Memory alloc failed for SGE");
 		return -1;
 	}
-	memset(fle, 0, FLE_SG_MEM_SIZE);
+	memset(fle, 0, FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs));
 	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
 	DPAA2_FLE_SAVE_CTXT(fle, (size_t)priv);
 
@@ -608,13 +610,14 @@ build_authenc_sg_fd(dpaa2_sec_session *sess,
 		mbuf = sym_op->m_src;
 
 	/* first FLE entry used to store mbuf and session ctxt */
-	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
+	fle = (struct qbman_fle *)rte_malloc(NULL,
+			FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs),
 			RTE_CACHE_LINE_SIZE);
 	if (unlikely(!fle)) {
 		DPAA2_SEC_ERR("AUTHENC SG: Memory alloc failed for SGE");
 		return -1;
 	}
-	memset(fle, 0, FLE_SG_MEM_SIZE);
+	memset(fle, 0, FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs));
 	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
 	DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv);
 
@@ -901,13 +904,14 @@ static inline int build_auth_sg_fd(
 	}
 
 	mbuf = sym_op->m_src;
-	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
+	fle = (struct qbman_fle *)rte_malloc(NULL,
+			FLE_SG_MEM_SIZE(mbuf->nb_segs),
 			RTE_CACHE_LINE_SIZE);
 	if (unlikely(!fle)) {
 		DPAA2_SEC_ERR("AUTH SG: Memory alloc failed for SGE");
 		return -1;
 	}
-	memset(fle, 0, FLE_SG_MEM_SIZE);
+	memset(fle, 0, FLE_SG_MEM_SIZE(mbuf->nb_segs));
 	/* first FLE entry used to store mbuf and session ctxt */
 	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
 	DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv);
@@ -1140,13 +1144,15 @@ build_cipher_sg_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op,
 	else
 		mbuf = sym_op->m_src;
 
-	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
+	/* first FLE entry used to store mbuf and session ctxt */
+	fle = (struct qbman_fle *)rte_malloc(NULL,
+			FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs),
 			RTE_CACHE_LINE_SIZE);
 	if (!fle) {
 		DPAA2_SEC_ERR("CIPHER SG: Memory alloc failed for SGE");
 		return -1;
 	}
-	memset(fle, 0, FLE_SG_MEM_SIZE);
+	memset(fle, 0, FLE_SG_MEM_SIZE(mbuf->nb_segs + sym_op->m_src->nb_segs));
 	/* first FLE entry used to store mbuf and session ctxt */
 	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
 	DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv);
-- 
2.17.1