No problem, turns out I had a few more updates I needed to sneak into
the patch anyway. Please see v3 in a new thread, applied to the
ppc-dev-next tree.
Thanks,
Kent
On Thu, Mar 28, 2013 at 1:24 PM, Benjamin Herrenschmidt
<benh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 2013-03-28 at 11:32 -0500, Kent Yoder wrote:
>> Hi Ben, will you carry this patch in the linuxppc-dev tree?
>
> I can but I'm on vacation until end of April roughly.
>
> Cheers,
> Ben.
>
>> Thanks,
>> Kent
>>
>> ---------- Forwarded message ----------
>> From: Kent Yoder <shpedoikal@xxxxxxxxx>
>> Date: Wed, Mar 20, 2013 at 9:22 AM
>> Subject: [PATCH v2] drivers/crypto/nx: fix init race, alignmasks and GCM bug
>> To: linux-kernel@xxxxxxxxxxxxxxx
>> Cc: linux-crypto@xxxxxxxxxxxxxxx, Benjamin Herrenschmidt
>> <benh@xxxxxxxxxxxxxxxxxxx>
>>
>>
>> Fixes a race on driver init with registering algorithms where the
>> driver status flag wasn't being set before self testing started.
>>
>> Added the cra_alignmask field for CBC and ECB modes.
>>
>> Fixed a bug in GCM where AES block size was being used instead of
>> authsize.
>>
>> Signed-off-by: Kent Yoder <key@xxxxxxxxxxxxxxxxxx>
>> ---
>> Only changes in v2 were to leave stable off the cc and add Ben for PPC.
>>
>> drivers/crypto/nx/nx-aes-cbc.c | 1 +
>> drivers/crypto/nx/nx-aes-ecb.c | 1 +
>> drivers/crypto/nx/nx-aes-gcm.c | 2 +-
>> drivers/crypto/nx/nx.c | 4 ++--
>> 4 files changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c
>> index a76d4c4..35d483f 100644
>> --- a/drivers/crypto/nx/nx-aes-cbc.c
>> +++ b/drivers/crypto/nx/nx-aes-cbc.c
>> @@ -126,6 +126,7 @@ struct crypto_alg nx_cbc_aes_alg = {
>> .cra_blocksize = AES_BLOCK_SIZE,
>> .cra_ctxsize = sizeof(struct nx_crypto_ctx),
>> .cra_type = &crypto_blkcipher_type,
>> + .cra_alignmask = 0xf,
>> .cra_module = THIS_MODULE,
>> .cra_init = nx_crypto_ctx_aes_cbc_init,
>> .cra_exit = nx_crypto_ctx_exit,
>> diff --git a/drivers/crypto/nx/nx-aes-ecb.c b/drivers/crypto/nx/nx-aes-ecb.c
>> index ba5f161..7bbc9a8 100644
>> --- a/drivers/crypto/nx/nx-aes-ecb.c
>> +++ b/drivers/crypto/nx/nx-aes-ecb.c
>> @@ -123,6 +123,7 @@ struct crypto_alg nx_ecb_aes_alg = {
>> .cra_priority = 300,
>> .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
>> .cra_blocksize = AES_BLOCK_SIZE,
>> + .cra_alignmask = 0xf,
>> .cra_ctxsize = sizeof(struct nx_crypto_ctx),
>> .cra_type = &crypto_blkcipher_type,
>> .cra_module = THIS_MODULE,
>> diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c
>> index c8109ed..6cca6c3 100644
>> --- a/drivers/crypto/nx/nx-aes-gcm.c
>> +++ b/drivers/crypto/nx/nx-aes-gcm.c
>> @@ -219,7 +219,7 @@ static int gcm_aes_nx_crypt(struct aead_request
>> *req, int enc)
>> if (enc)
>> NX_CPB_FDM(csbcpb) |= NX_FDM_ENDE_ENCRYPT;
>> else
>> - nbytes -= AES_BLOCK_SIZE;
>> + nbytes -= crypto_aead_authsize(crypto_aead_reqtfm(req));
>>
>> csbcpb->cpb.aes_gcm.bit_length_data = nbytes * 8;
>>
>> diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
>> index c767f23..7621d05 100644
>> --- a/drivers/crypto/nx/nx.c
>> +++ b/drivers/crypto/nx/nx.c
>> @@ -454,6 +454,8 @@ static int nx_register_algs(void)
>> if (rc)
>> goto out;
>>
>> + nx_driver.of.status = NX_OKAY;
>> +
>> rc = crypto_register_alg(&nx_ecb_aes_alg);
>> if (rc)
>> goto out;
>> @@ -498,8 +500,6 @@ static int nx_register_algs(void)
>> if (rc)
>> goto out_unreg_s512;
>>
>> - nx_driver.of.status = NX_OKAY;
>> -
>> goto out;
>>
>> out_unreg_s512:
>> --
>> 1.7.11.7
>> --
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