openwrt/target/linux/ipq40xx/patches-4.19/044-crypto-qce-update-the-s...

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From 502ca0b7c1d856a46dbd78e67690c12c47775b97 Mon Sep 17 00:00:00 2001
From: Eneas U de Queiroz <cotequeiroz@gmail.com>
Date: Fri, 22 Nov 2019 09:00:02 -0300
Subject: [PATCH] crypto: qce - update the skcipher IV
Update the IV after the completion of each cipher operation.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -29,6 +29,7 @@ static void qce_skcipher_done(void *data
struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);
struct qce_alg_template *tmpl = to_cipher_tmpl(crypto_skcipher_reqtfm(req));
struct qce_device *qce = tmpl->qce;
+ struct qce_result_dump *result_buf = qce->dma.result_buf;
enum dma_data_direction dir_src, dir_dst;
u32 status;
int error;
@@ -53,6 +54,7 @@ static void qce_skcipher_done(void *data
if (error < 0)
dev_dbg(qce->dev, "skcipher operation error (%x)\n", status);
+ memcpy(rctx->iv, result_buf->encr_cntr_iv, rctx->ivsize);
qce->async_req_done(tmpl->qce, error);
}