openwrt/target/linux/starfive/patches-6.6/0012-crypto-starfive-Remove-cfb-and-ofb.patch
Zoltan HERPAI e2e2fc3cd0 starfive: add patches for 6.6
Add updated patches for 6.6. DMA/cache-handling patches
have been reworked / backported from upstream.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
2024-09-03 00:03:19 +02:00

126 lines
4.0 KiB
Diff

From 922b213ad22f93fb2788ce119084622ab3d25bf8 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 30 Nov 2023 18:12:55 +0800
Subject: [PATCH 012/116] crypto: starfive - Remove cfb and ofb
Remove the unused CFB/OFB implementation.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/crypto/starfive/jh7110-aes.c | 71 +--------------------------
drivers/crypto/starfive/jh7110-cryp.h | 2 -
2 files changed, 1 insertion(+), 72 deletions(-)
--- a/drivers/crypto/starfive/jh7110-aes.c
+++ b/drivers/crypto/starfive/jh7110-aes.c
@@ -262,12 +262,7 @@ static int starfive_aes_hw_init(struct s
rctx->csr.aes.mode = hw_mode;
rctx->csr.aes.cmode = !is_encrypt(cryp);
rctx->csr.aes.ie = 1;
-
- if (hw_mode == STARFIVE_AES_MODE_CFB ||
- hw_mode == STARFIVE_AES_MODE_OFB)
- rctx->csr.aes.stmode = STARFIVE_AES_MODE_XFB_128;
- else
- rctx->csr.aes.stmode = STARFIVE_AES_MODE_XFB_1;
+ rctx->csr.aes.stmode = STARFIVE_AES_MODE_XFB_1;
if (cryp->side_chan) {
rctx->csr.aes.delay_aes = 1;
@@ -294,8 +289,6 @@ static int starfive_aes_hw_init(struct s
starfive_aes_ccm_init(ctx);
starfive_aes_aead_hw_start(ctx, hw_mode);
break;
- case STARFIVE_AES_MODE_OFB:
- case STARFIVE_AES_MODE_CFB:
case STARFIVE_AES_MODE_CBC:
case STARFIVE_AES_MODE_CTR:
starfive_aes_write_iv(ctx, (void *)cryp->req.sreq->iv);
@@ -785,26 +778,6 @@ static int starfive_aes_cbc_decrypt(stru
return starfive_aes_crypt(req, STARFIVE_AES_MODE_CBC);
}
-static int starfive_aes_cfb_encrypt(struct skcipher_request *req)
-{
- return starfive_aes_crypt(req, STARFIVE_AES_MODE_CFB | FLG_ENCRYPT);
-}
-
-static int starfive_aes_cfb_decrypt(struct skcipher_request *req)
-{
- return starfive_aes_crypt(req, STARFIVE_AES_MODE_CFB);
-}
-
-static int starfive_aes_ofb_encrypt(struct skcipher_request *req)
-{
- return starfive_aes_crypt(req, STARFIVE_AES_MODE_OFB | FLG_ENCRYPT);
-}
-
-static int starfive_aes_ofb_decrypt(struct skcipher_request *req)
-{
- return starfive_aes_crypt(req, STARFIVE_AES_MODE_OFB);
-}
-
static int starfive_aes_ctr_encrypt(struct skcipher_request *req)
{
return starfive_aes_crypt(req, STARFIVE_AES_MODE_CTR | FLG_ENCRYPT);
@@ -903,48 +876,6 @@ static struct skcipher_engine_alg skciph
.cra_priority = 200,
.cra_flags = CRYPTO_ALG_ASYNC,
.cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
- .cra_alignmask = 0xf,
- .cra_module = THIS_MODULE,
- },
- .op = {
- .do_one_request = starfive_aes_do_one_req,
- },
-}, {
- .base.init = starfive_aes_init_tfm,
- .base.setkey = starfive_aes_setkey,
- .base.encrypt = starfive_aes_cfb_encrypt,
- .base.decrypt = starfive_aes_cfb_decrypt,
- .base.min_keysize = AES_MIN_KEY_SIZE,
- .base.max_keysize = AES_MAX_KEY_SIZE,
- .base.ivsize = AES_BLOCK_SIZE,
- .base.base = {
- .cra_name = "cfb(aes)",
- .cra_driver_name = "starfive-cfb-aes",
- .cra_priority = 200,
- .cra_flags = CRYPTO_ALG_ASYNC,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
- .cra_alignmask = 0xf,
- .cra_module = THIS_MODULE,
- },
- .op = {
- .do_one_request = starfive_aes_do_one_req,
- },
-}, {
- .base.init = starfive_aes_init_tfm,
- .base.setkey = starfive_aes_setkey,
- .base.encrypt = starfive_aes_ofb_encrypt,
- .base.decrypt = starfive_aes_ofb_decrypt,
- .base.min_keysize = AES_MIN_KEY_SIZE,
- .base.max_keysize = AES_MAX_KEY_SIZE,
- .base.ivsize = AES_BLOCK_SIZE,
- .base.base = {
- .cra_name = "ofb(aes)",
- .cra_driver_name = "starfive-ofb-aes",
- .cra_priority = 200,
- .cra_flags = CRYPTO_ALG_ASYNC,
- .cra_blocksize = 1,
.cra_ctxsize = sizeof(struct starfive_cryp_ctx),
.cra_alignmask = 0xf,
.cra_module = THIS_MODULE,
--- a/drivers/crypto/starfive/jh7110-cryp.h
+++ b/drivers/crypto/starfive/jh7110-cryp.h
@@ -50,8 +50,6 @@ union starfive_aes_csr {
u32 ccm_start :1;
#define STARFIVE_AES_MODE_ECB 0x0
#define STARFIVE_AES_MODE_CBC 0x1
-#define STARFIVE_AES_MODE_CFB 0x2
-#define STARFIVE_AES_MODE_OFB 0x3
#define STARFIVE_AES_MODE_CTR 0x4
#define STARFIVE_AES_MODE_CCM 0x5
#define STARFIVE_AES_MODE_GCM 0x6