target/linux/ipq40xx/patches-5.4/044-crypto-qce-update-the-skcipher-IV.patch

   1 From 3e806a12d10af2581aa26c37b58439286eab9782 Mon Sep 17 00:00:00 2001
   2 From: Eneas U de Queiroz <cotequeiroz@gmail.com>
   3 Date: Fri, 20 Dec 2019 16:02:16 -0300
   4 Subject: [PATCH 05/11] crypto: qce - update the skcipher IV
   5
   6 Update the IV after the completion of each cipher operation.
   7
   8 Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
   9 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  10 ---
  11  drivers/crypto/qce/skcipher.c | 2 ++
  12  1 file changed, 2 insertions(+)
  13
  14 --- a/drivers/crypto/qce/skcipher.c
  15 +++ b/drivers/crypto/qce/skcipher.c
  16 @@ -21,6 +21,7 @@ static void qce_skcipher_done(void *data
  17         struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);
  18         struct qce_alg_template *tmpl = to_cipher_tmpl(crypto_skcipher_reqtfm(req));
  19         struct qce_device *qce = tmpl->qce;
  20 +       struct qce_result_dump *result_buf = qce->dma.result_buf;
  21         enum dma_data_direction dir_src, dir_dst;
  22         u32 status;
  23         int error;
  24 @@ -45,6 +46,7 @@ static void qce_skcipher_done(void *data
  25         if (error < 0)
  26                 dev_dbg(qce->dev, "skcipher operation error (%x)\n", status);
  27
  28 +       memcpy(rctx->iv, result_buf->encr_cntr_iv, rctx->ivsize);
  29         qce->async_req_done(tmpl->qce, error);
  30  }
  31