diff options
| author | Pascal van Leeuwen <pascalvanl@gmail.com> | 2019-12-11 19:32:37 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-12-20 09:58:34 +0300 |
| commit | 177e358c9609e7810b53c3355ea4f56f26d1416f (patch) | |
| tree | a727560c654965e6774bb6cb00e61881e10b9ddb /drivers/crypto/inside-secure/safexcel_cipher.c | |
| parent | cb97aa9473627720810a0a016621c36f15392802 (diff) | |
| download | linux-177e358c9609e7810b53c3355ea4f56f26d1416f.tar.xz | |
crypto: inside-secure - Fix hang case on EIP97 with basic DES/3DES ops
This patch fixes another hang case on the EIP97 caused by sending
invalidation tokens to the hardware when doing basic (3)DES ECB/CBC
operations. Invalidation tokens are an EIP197 feature and needed nor
supported by the EIP97. So they should not be sent for that device.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@rambus.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_cipher.c')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_cipher.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index bc5605e89d11..f4ece0d8bd6c 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -1509,6 +1509,7 @@ static int safexcel_des_setkey(struct crypto_skcipher *ctfm, const u8 *key, unsigned int len) { struct safexcel_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); + struct safexcel_crypto_priv *priv = ctx->priv; int ret; ret = verify_skcipher_des_key(ctfm, key); @@ -1516,7 +1517,7 @@ static int safexcel_des_setkey(struct crypto_skcipher *ctfm, const u8 *key, return ret; /* if context exits and key changed, need to invalidate it */ - if (ctx->base.ctxr_dma) + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) if (memcmp(ctx->key, key, len)) ctx->base.needs_inv = true; @@ -1605,6 +1606,7 @@ static int safexcel_des3_ede_setkey(struct crypto_skcipher *ctfm, const u8 *key, unsigned int len) { struct safexcel_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); + struct safexcel_crypto_priv *priv = ctx->priv; int err; err = verify_skcipher_des3_key(ctfm, key); @@ -1612,7 +1614,7 @@ static int safexcel_des3_ede_setkey(struct crypto_skcipher *ctfm, return err; /* if context exits and key changed, need to invalidate it */ - if (ctx->base.ctxr_dma) + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) if (memcmp(ctx->key, key, len)) ctx->base.needs_inv = true; |