From: Sven Auhagen <sven.auha...@voleatech.de>
---
drivers/crypto/inside-secure/safexcel.h | 1 +
drivers/crypto/inside-secure/safexcel_cipher.c | 6 +++++-
drivers/crypto/inside-secure/safexcel_hash.c | 6 ++++++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/inside-secure/safexcel.h
b/drivers/crypto/inside-secure/safexcel.h
index a7ab1183a723..7341f047cb2f 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -40,6 +40,7 @@
/* Static configuration */
#define EIP197_DEFAULT_RING_SIZE 400
+#define EIP197_DEFAULT_RING_ROTATE 50
#define EIP197_EMB_TOKENS 4 /* Pad CD to 16 dwords */
#define EIP197_MAX_TOKENS 16
#define EIP197_MAX_RINGS 4
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c
b/drivers/crypto/inside-secure/safexcel_cipher.c
index 2018b7f3942d..2c4bda960ee6 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -1218,7 +1218,11 @@ static int safexcel_queue_req(struct
crypto_async_request *base,
ring = ctx->base.ring;
- printk("Ring %d queue length %d\n", ring, priv->ring[ring].queue->qlen);
+ // Rotate ring if full
+ if (priv->ring[ring].queue.qlen > EIP197_DEFAULT_RING_ROTATE) {
+ ctx->base.ring = safexcel_select_ring(priv);
+ ring = ctx->base.ring;
+ }
spin_lock_bh(&priv->ring[ring].queue_lock);
ret = crypto_enqueue_request(&priv->ring[ring].queue, base);
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c
b/drivers/crypto/inside-secure/safexcel_hash.c
index e1d65788bf41..55a573bbb3ae 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -744,6 +744,12 @@ static int safexcel_ahash_enqueue(struct ahash_request
*areq)
ring = ctx->base.ring;
+ // Rotate ring if full
+ if (priv->ring[ring].queue.qlen > EIP197_DEFAULT_RING_ROTATE) {
+ ctx->base.ring = safexcel_select_ring(priv);
+ ring = ctx->base.ring;
+ }
+
spin_lock_bh(&priv->ring[ring].queue_lock);
ret = crypto_enqueue_request(&priv->ring[ring].queue, &areq->base);
spin_unlock_bh(&priv->ring[ring].queue_lock);
--
2.24.3 (Apple Git-128)
