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crypto: hisilicon/sec - add fallback tfm supporting for XTS mode

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Add fallback tfm supporting for hisi_sec driver. Due to the hardware
not supports 192bit key length when using XTS mode. So the driver needs
to setting the soft fallback skcipher tfm for user.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kai Ye
2021-05-28 19:42:05 +08:00
committed by Herbert Xu
parent 7b44c0eecd
commit 5652d55a76
2 changed files with 86 additions and 3 deletions
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4
drivers/crypto/hisilicon/sec2/sec.h
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@@ -97,6 +97,10 @@ struct sec_cipher_ctx {
u8 c_mode;
u8 c_alg;
u8 c_key_len;
/* add software support */
bool fallback;
struct crypto_sync_skcipher *fbtfm;
};
/* SEC queue context which defines queue's relatives */