diff options
| author | Gary R Hook <gary.hook@amd.com> | 2017-02-08 13:07:06 -0600 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-15 13:20:19 +0800 |
| commit | f7cc02b3c3a33a10dd5bb9e5dfd22e47e09503a2 (patch) | |
| tree | 2e401428d09921330d1540a33289d54e4848f2a4 | |
| parent | 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 (diff) | |
| download | linux-f7cc02b3c3a33a10dd5bb9e5dfd22e47e09503a2.tar.bz2 | |
crypto: ccp - Set the AES size field for all modes
Ensure that the size field is correctly populated for
all AES modes.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev-v5.c | 3 | ||||
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev.h | 1 | ||||
| -rw-r--r-- | drivers/crypto/ccp/ccp-ops.c | 8 |
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index 612898b4aaad..9c6ff8b813d9 100644 --- a/drivers/crypto/ccp/ccp-dev-v5.c +++ b/drivers/crypto/ccp/ccp-dev-v5.c @@ -284,8 +284,7 @@ static int ccp5_perform_aes(struct ccp_op *op) CCP_AES_ENCRYPT(&function) = op->u.aes.action; CCP_AES_MODE(&function) = op->u.aes.mode; CCP_AES_TYPE(&function) = op->u.aes.type; - if (op->u.aes.mode == CCP_AES_MODE_CFB) - CCP_AES_SIZE(&function) = 0x7f; + CCP_AES_SIZE(&function) = op->u.aes.size; CCP5_CMD_FUNCTION(&desc) = function.raw; diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h index 649e5610a5ce..2b5c01fade05 100644 --- a/drivers/crypto/ccp/ccp-dev.h +++ b/drivers/crypto/ccp/ccp-dev.h @@ -467,6 +467,7 @@ struct ccp_aes_op { enum ccp_aes_type type; enum ccp_aes_mode mode; enum ccp_aes_action action; + unsigned int size; }; struct ccp_xts_aes_op { diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index 50fae4442801..6878160234b5 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -692,6 +692,14 @@ static int ccp_run_aes_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) goto e_ctx; } } + switch (aes->mode) { + case CCP_AES_MODE_CFB: /* CFB128 only */ + case CCP_AES_MODE_CTR: + op.u.aes.size = AES_BLOCK_SIZE * BITS_PER_BYTE - 1; + break; + default: + op.u.aes.size = 0; + } /* Prepare the input and output data workareas. For in-place * operations we need to set the dma direction to BIDIRECTIONAL |