linux.git/drivers/crypto/allwinner, branch v5.19 Linux kernel source tree crypto: sun8i-ce - do not fallback if cryptlen is less than sg length 2022-05-13T09:24:48+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:29+00:00 42a01af3f13f09656af1f97d58e98415242eef45 The sg length could be more than remaining data on it. So check the length requirement against the minimum between those two values. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The sg length could be more than remaining data on it.
So check the length requirement against the minimum between those two
values.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ce - rework debugging 2022-05-13T09:24:48+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:28+00:00 aff388f7874653aea0b8087cfedec52336d2066a The "Fallback for xxx" message is annoying, remove it and store the information in the debugfs. Let's add more precise fallback stats and display it better. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The "Fallback for xxx" message is annoying, remove it and store the
information in the debugfs.
Let's add more precise fallback stats and display it better.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ce - use sg_nents_for_len 2022-05-13T09:24:20+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:27+00:00 6b8309faf0ca17c819d3c9a1a262467f9dc3bd58 When testing with some large SG list, the sun8i-ce drivers always fallback even if it can handle it. So use sg_nents_for_len() which permits to see less SGs than needed. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
When testing with some large SG list, the sun8i-ce drivers always
fallback even if it can handle it.
So use sg_nents_for_len() which permits to see less SGs than needed.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ce - Add function for handling hash padding 2022-05-13T09:24:20+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:26+00:00 8a1714ad1a33f7dcdebabd67cbe7af423ddefe2b Move all padding work to a dedicated function. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Move all padding work to a dedicated function.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - do not fallback if cryptlen is less than sg length 2022-05-13T09:24:20+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:25+00:00 2e5545acf6584c196b4f4e1c1eea017a48699926 The sg length could be more than remaining data on it. So check the length requirement against the minimum between those two values. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The sg length could be more than remaining data on it.
So check the length requirement against the minimum between those two
values.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - add hmac(sha1) 2022-05-13T09:24:19+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:24+00:00 801b7d572c0ad46b116730121e9d3beefb0c7004 Even if sun8i-ss does not handle hmac(sha1) directly, we can provide one which use the already supported acceleration of sha1. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Even if sun8i-ss does not handle hmac(sha1) directly, we can provide one
which use the already supported acceleration of sha1.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - Add function for handling hash padding 2022-05-13T09:24:19+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:23+00:00 e76ee4db9eb8f4a423bf3350f4348449b4339073 Move all padding work to a dedicated function. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Move all padding work to a dedicated function.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - rework debugging 2022-05-13T09:24:19+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:22+00:00 f95f61d0b2f152c1ab7928ad57bff1ab7257657f The "Fallback for xxx" message is annoying, remove it and store the information in the debugfs. In the same time, reports more fallback statistics. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The "Fallback for xxx" message is annoying, remove it and store the
information in the debugfs.
In the same time, reports more fallback statistics.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - handle requests if last block is not modulo 64 2022-05-13T09:24:19+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:21+00:00 c35e523a8b6962012a589e4a41f56015c31a3397 The current sun8i-ss handle only requests with all SG length being modulo 64. But the last SG could be always handled by copying it on the pad buffer. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The current sun8i-ss handle only requests with all SG length being
modulo 64.
But the last SG could be always handled by copying it on the pad buffer.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: sun8i-ss - do not zeroize all pad 2022-05-13T09:24:19+00:00 Corentin Labbe clabbe@baylibre.com 2022-05-02T20:19:20+00:00 db0c62bcd4809be50dc952bfade5adf4baf52023 Instead of memset all pad buffer, it is faster to only put 0 where needed. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Instead of memset all pad buffer, it is faster to only put 0 where
needed.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>