target/linux/ipq40xx/patches-4.19/044-crypto-qce-update-the-skcipher-IV.patch

   1 From 502ca0b7c1d856a46dbd78e67690c12c47775b97 Mon Sep 17 00:00:00 2001
   2 From: Eneas U de Queiroz <cotequeiroz@gmail.com>
   3 Date: Fri, 22 Nov 2019 09:00:02 -0300
   4 Subject: [PATCH] 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
  10 --- a/drivers/crypto/qce/skcipher.c
  11 +++ b/drivers/crypto/qce/skcipher.c
  12 @@ -29,6 +29,7 @@ static void qce_skcipher_done(void *data
  13         struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);
  14         struct qce_alg_template *tmpl = to_cipher_tmpl(crypto_skcipher_reqtfm(req));
  15         struct qce_device *qce = tmpl->qce;
  16 +       struct qce_result_dump *result_buf = qce->dma.result_buf;
  17         enum dma_data_direction dir_src, dir_dst;
  18         u32 status;
  19         int error;
  20 @@ -53,6 +54,7 @@ static void qce_skcipher_done(void *data
  21         if (error < 0)
  22                 dev_dbg(qce->dev, "skcipher operation error (%x)\n", status);
  23
  24 +       memcpy(rctx->iv, result_buf->encr_cntr_iv, rctx->ivsize);
  25         qce->async_req_done(tmpl->qce, error);
  26  }
  27