Associated data (AD) length is read by CAAM from an S/G entry
that is initially filled by the GPP.
Accordingly, AD length has to be stored in CAAM endianness.
Fixes: b189817cf789 ("crypto: caam/qi - add ablkcipher and authenc algorithms")
Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx>
---
drivers/crypto/caam/caamalg_qi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c
index f93228c660e7..82e9f93f5071 100644
--- a/drivers/crypto/caam/caamalg_qi.c
+++ b/drivers/crypto/caam/caamalg_qi.c
@@ -399,6 +399,7 @@ static int xts_ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher,
* @iv_dma: dma address of iv for checking continuity and link table
* @qm_sg_bytes: length of dma mapped h/w link table
* @qm_sg_dma: bus physical mapped address of h/w link table
+ * @assoclen: associated data length, in CAAM endianness
* @assoclen_dma: bus physical mapped address of req->assoclen
* @drv_req: driver-specific request structure
* @sgt: the h/w link table
@@ -409,6 +410,7 @@ struct aead_edesc {
dma_addr_t iv_dma;
int qm_sg_bytes;
dma_addr_t qm_sg_dma;
+ unsigned int assoclen;
dma_addr_t assoclen_dma;
struct caam_drv_req drv_req;
#define CAAM_QI_MAX_AEAD_SG \
@@ -684,7 +686,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
edesc->drv_req.cbk = aead_done;
edesc->drv_req.drv_ctx = drv_ctx;
- edesc->assoclen_dma = dma_map_single(qidev, &req->assoclen, 4,
+ edesc->assoclen = cpu_to_caam32(req->assoclen);
+ edesc->assoclen_dma = dma_map_single(qidev, &edesc->assoclen, 4,
DMA_TO_DEVICE);
if (dma_mapping_error(qidev, edesc->assoclen_dma)) {
dev_err(qidev, "unable to map assoclen\n");
--
2.12.0.264.gd6db3f216544
