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path: root/drivers/crypto/caam/caamalg.c
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Diffstat (limited to 'drivers/crypto/caam/caamalg.c')
-rw-r--r--drivers/crypto/caam/caamalg.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index b97575e..4c69ba7 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -571,9 +571,27 @@ static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
/* copy iv from cipher/class1 input context to class2 infifo */
append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO | ivsize);
- /* start class 1 (cipher) operation */
- append_operation(desc, ctx->class1_alg_type | OP_ALG_AS_INITFINAL |
- encrypt);
+ if (!encrypt) {
+ u32 *jump_cmd, *uncond_jump_cmd;
+
+ /* JUMP if shared */
+ jump_cmd = append_jump(desc, JUMP_TEST_ALL | JUMP_COND_SHRD);
+
+ /* start class 1 (cipher) operation, non-shared version */
+ append_operation(desc, ctx->class1_alg_type |
+ OP_ALG_AS_INITFINAL);
+
+ uncond_jump_cmd = append_jump(desc, 0);
+
+ set_jump_tgt_here(desc, jump_cmd);
+
+ /* start class 1 (cipher) operation, shared version */
+ append_operation(desc, ctx->class1_alg_type |
+ OP_ALG_AS_INITFINAL | OP_ALG_AAI_DK);
+ set_jump_tgt_here(desc, uncond_jump_cmd);
+ } else
+ append_operation(desc, ctx->class1_alg_type |
+ OP_ALG_AS_INITFINAL | encrypt);
/* load payload & instruct to class2 to snoop class 1 if encrypting */
options = 0;
@@ -762,7 +780,7 @@ static int aead_authenc_decrypt(struct aead_request *req)
req->cryptlen -= ctx->authsize;
/* allocate extended descriptor */
- edesc = ipsec_esp_edesc_alloc(req, 21 * sizeof(u32));
+ edesc = ipsec_esp_edesc_alloc(req, 24 * sizeof(u32));
if (IS_ERR(edesc))
return PTR_ERR(edesc);
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