kernel: add mtk-eip93
This commit is contained in:
LGA1150
Tianling Shen
parent
966a20b6cb
commit
c992cc733c
49
target/linux/ramips/files/drivers/crypto/mtk-eip93/Kconfig
Normal file
49
target/linux/ramips/files/drivers/crypto/mtk-eip93/Kconfig
Normal file
@ -0,0 +1,49 @@
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# SPDX-License-Identifier: GPL-2.0
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config CRYPTO_DEV_EIP93_SKCIPHER
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tristate
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config CRYPTO_DEV_EIP93_HMAC
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tristate
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config CRYPTO_DEV_EIP93
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tristate "Support for EIP93 crypto HW accelerators"
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depends on SOC_MT7621 || COMPILE_TEST
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help
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EIP93 have various crypto HW accelerators. Select this if
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you want to use the EIP93 modules for any of the crypto algorithms.
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if CRYPTO_DEV_EIP93
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config CRYPTO_DEV_EIP93_AES
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bool "Register AES algorithm implementations with the Crypto API"
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default y
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select CRYPTO_DEV_EIP93_SKCIPHER
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select CRYPTO_LIB_AES
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select CRYPTO_SKCIPHER
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help
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Selecting this will offload AES - ECB, CBC and CTR crypto
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to the EIP-93 crypto engine.
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config CRYPTO_DEV_EIP93_DES
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bool "Register legacy DES / 3DES algorithm with the Crypto API"
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default y
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select CRYPTO_DEV_EIP93_SKCIPHER
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select CRYPTO_LIB_DES
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select CRYPTO_SKCIPHER
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help
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Selecting this will offload DES and 3DES ECB and CBC
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crypto to the EIP-93 crypto engine.
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config CRYPTO_DEV_EIP93_AEAD
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bool "Register AEAD algorithm with the Crypto API"
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default y
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select CRYPTO_DEV_EIP93_HMAC
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select CRYPTO_AEAD
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select CRYPTO_AUTHENC
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select CRYPTO_MD5
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select CRYPTO_SHA1
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select CRYPTO_SHA256
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help
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Selecting this will offload AEAD authenc(hmac(x), cipher(y))
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crypto to the EIP-93 crypto engine.
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endif
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@ -0,0 +1,7 @@
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obj-$(CONFIG_CRYPTO_DEV_EIP93) += crypto-hw-eip93.o
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crypto-hw-eip93-y += eip93-main.o eip93-common.o
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crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) += eip93-cipher.o
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crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_AEAD) += eip93-aead.o
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770
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-aead.c
Normal file
770
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-aead.c
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@ -0,0 +1,770 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 - 2021
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*
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* Richard van Schagen <vschagen@icloud.com>
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*/
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#include <crypto/aead.h>
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#include <crypto/aes.h>
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#include <crypto/authenc.h>
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#include <crypto/ctr.h>
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#include <crypto/hmac.h>
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#include <crypto/internal/aead.h>
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#include <crypto/md5.h>
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#include <crypto/null.h>
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#include <crypto/sha1.h>
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#include <crypto/sha2.h>
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#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
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#include <crypto/internal/des.h>
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#endif
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#include <linux/crypto.h>
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#include <linux/dma-mapping.h>
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#include "eip93-aead.h"
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#include "eip93-cipher.h"
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#include "eip93-common.h"
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#include "eip93-regs.h"
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void mtk_aead_handle_result(struct crypto_async_request *async, int err)
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{
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
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struct mtk_device *mtk = ctx->mtk;
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struct aead_request *req = aead_request_cast(async);
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struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
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mtk_unmap_dma(mtk, rctx, req->src, req->dst);
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mtk_handle_result(mtk, rctx, req->iv);
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if (err == 1)
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err = -EBADMSG;
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/* let software handle anti-replay errors */
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if (err == 4)
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err = 0;
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aead_request_complete(req, err);
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}
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static int mtk_aead_send_req(struct crypto_async_request *async)
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{
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struct aead_request *req = aead_request_cast(async);
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struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
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int err;
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err = check_valid_request(rctx);
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if (err) {
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aead_request_complete(req, err);
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return err;
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}
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return mtk_send_req(async, req->iv, rctx);
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}
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/* Crypto aead API functions */
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static int mtk_aead_cra_init(struct crypto_tfm *tfm)
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{
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
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struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
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struct mtk_alg_template, alg.aead.base);
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u32 flags = tmpl->flags;
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char *alg_base;
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memset(ctx, 0, sizeof(*ctx));
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crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
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sizeof(struct mtk_cipher_reqctx));
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ctx->mtk = tmpl->mtk;
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ctx->in_first = true;
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ctx->out_first = true;
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ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
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if (!ctx->sa_in)
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return -ENOMEM;
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ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
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if (!ctx->sa_out)
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return -ENOMEM;
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ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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/* software workaround for now */
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if (IS_HASH_MD5(flags))
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alg_base = "md5";
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if (IS_HASH_SHA1(flags))
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alg_base = "sha1";
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if (IS_HASH_SHA224(flags))
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alg_base = "sha224";
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if (IS_HASH_SHA256(flags))
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alg_base = "sha256";
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ctx->shash = crypto_alloc_shash(alg_base, 0, CRYPTO_ALG_NEED_FALLBACK);
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if (IS_ERR(ctx->shash)) {
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dev_err(ctx->mtk->dev, "base driver %s could not be loaded.\n",
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alg_base);
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return PTR_ERR(ctx->shash);
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}
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return 0;
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}
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static void mtk_aead_cra_exit(struct crypto_tfm *tfm)
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{
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
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if (ctx->shash)
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crypto_free_shash(ctx->shash);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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kfree(ctx->sa_in);
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kfree(ctx->sa_out);
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}
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static int mtk_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
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unsigned int len)
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{
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struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
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struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
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struct mtk_alg_template, alg.skcipher.base);
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u32 flags = tmpl->flags;
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u32 nonce = 0;
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struct crypto_authenc_keys keys;
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struct crypto_aes_ctx aes;
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struct saRecord_s *saRecord = ctx->sa_out;
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int sa_size = sizeof(struct saRecord_s);
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int err = -EINVAL;
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if (crypto_authenc_extractkeys(&keys, key, len))
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return err;
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if (IS_RFC3686(flags)) {
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if (keys.enckeylen < CTR_RFC3686_NONCE_SIZE)
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return err;
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keys.enckeylen -= CTR_RFC3686_NONCE_SIZE;
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memcpy(&nonce, keys.enckey + keys.enckeylen,
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CTR_RFC3686_NONCE_SIZE);
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}
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switch ((flags & MTK_ALG_MASK)) {
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#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
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case MTK_ALG_DES:
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err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen);
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break;
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case MTK_ALG_3DES:
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if (keys.enckeylen != DES3_EDE_KEY_SIZE)
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return -EINVAL;
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err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen);
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break;
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#endif
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case MTK_ALG_AES:
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err = aes_expandkey(&aes, keys.enckey, keys.enckeylen);
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}
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if (err)
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return err;
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ctx->blksize = crypto_aead_blocksize(ctfm);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
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DMA_TO_DEVICE);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
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DMA_TO_DEVICE);
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/* Encryption key */
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mtk_set_saRecord(saRecord, keys.enckeylen, flags);
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saRecord->saCmd0.bits.opCode = 1;
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saRecord->saCmd0.bits.digestLength = ctx->authsize >> 2;
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memcpy(saRecord->saKey, keys.enckey, keys.enckeylen);
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ctx->saNonce = nonce;
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saRecord->saNonce = nonce;
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/* authentication key */
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err = mtk_authenc_setkey(ctx->shash, saRecord, keys.authkey,
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keys.authkeylen);
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saRecord->saCmd0.bits.direction = 0;
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memcpy(ctx->sa_in, saRecord, sa_size);
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ctx->sa_in->saCmd0.bits.direction = 1;
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ctx->sa_in->saCmd1.bits.copyDigest = 0;
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ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
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DMA_TO_DEVICE);
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ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
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DMA_TO_DEVICE);
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ctx->in_first = true;
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ctx->out_first = true;
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return err;
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}
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static int mtk_aead_setauthsize(struct crypto_aead *ctfm,
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unsigned int authsize)
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{
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struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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ctx->authsize = authsize;
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ctx->sa_in->saCmd0.bits.digestLength = ctx->authsize >> 2;
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ctx->sa_out->saCmd0.bits.digestLength = ctx->authsize >> 2;
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ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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return 0;
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}
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static void mtk_aead_setassoc(struct mtk_crypto_ctx *ctx,
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struct aead_request *req, bool in)
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{
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struct saRecord_s *saRecord;
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if (in) {
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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saRecord = ctx->sa_in;
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saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
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ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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ctx->assoclen_in = req->assoclen;
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} else {
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dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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saRecord = ctx->sa_out;
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saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
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ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
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sizeof(struct saRecord_s), DMA_TO_DEVICE);
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ctx->assoclen_out = req->assoclen;
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}
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}
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static int mtk_aead_crypt(struct aead_request *req)
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{
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struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
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struct crypto_async_request *async = &req->base;
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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rctx->textsize = req->cryptlen;
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rctx->blksize = ctx->blksize;
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rctx->assoclen = req->assoclen;
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rctx->authsize = ctx->authsize;
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rctx->sg_src = req->src;
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rctx->sg_dst = req->dst;
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rctx->ivsize = crypto_aead_ivsize(aead);
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rctx->flags |= MTK_DESC_AEAD;
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if IS_DECRYPT(rctx->flags)
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rctx->textsize -= rctx->authsize;
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return mtk_aead_send_req(async);
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}
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static int mtk_aead_encrypt(struct aead_request *req)
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{
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
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struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
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struct mtk_alg_template, alg.aead.base);
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rctx->flags = tmpl->flags;
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rctx->flags |= MTK_ENCRYPT;
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if (ctx->out_first) {
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mtk_aead_setassoc(ctx, req, false);
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ctx->out_first = false;
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}
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if (req->assoclen != ctx->assoclen_out) {
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dev_err(ctx->mtk->dev, "Request AAD length error\n");
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return -EINVAL;
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}
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rctx->saRecord_base = ctx->sa_base_out;
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return mtk_aead_crypt(req);
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}
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static int mtk_aead_decrypt(struct aead_request *req)
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{
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struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
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struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
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struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
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struct mtk_alg_template, alg.aead.base);
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rctx->flags = tmpl->flags;
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rctx->flags |= MTK_DECRYPT;
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if (ctx->in_first) {
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mtk_aead_setassoc(ctx, req, true);
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ctx->in_first = false;
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}
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if (req->assoclen != ctx->assoclen_in) {
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dev_err(ctx->mtk->dev, "Request AAD length error\n");
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return -EINVAL;
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}
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rctx->saRecord_base = ctx->sa_base_in;
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return mtk_aead_crypt(req);
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}
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/* Available authenc algorithms in this module */
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#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
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struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes = {
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.type = MTK_ALG_TYPE_AEAD,
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.flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_AES,
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.alg.aead = {
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.setkey = mtk_aead_setkey,
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.encrypt = mtk_aead_encrypt,
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.decrypt = mtk_aead_decrypt,
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.ivsize = AES_BLOCK_SIZE,
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.setauthsize = mtk_aead_setauthsize,
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.maxauthsize = MD5_DIGEST_SIZE,
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.base = {
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.cra_name = "authenc(hmac(md5),cbc(aes))",
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.cra_driver_name =
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"authenc(hmac(md5-eip93), cbc(aes-eip93))",
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.cra_priority = MTK_CRA_PRIORITY,
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.cra_flags = CRYPTO_ALG_ASYNC |
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CRYPTO_ALG_KERN_DRIVER_ONLY,
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.cra_blocksize = AES_BLOCK_SIZE,
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.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
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.cra_alignmask = 0,
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.cra_init = mtk_aead_cra_init,
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.cra_exit = mtk_aead_cra_exit,
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.cra_module = THIS_MODULE,
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},
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},
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};
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struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes = {
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.type = MTK_ALG_TYPE_AEAD,
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.flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_AES,
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.alg.aead = {
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.setkey = mtk_aead_setkey,
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.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA1_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha1),cbc(aes))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha1-eip93),cbc(aes-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA224_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha224),cbc(aes))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha224-eip93),cbc(aes-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA256_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha256),cbc(aes))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha256-eip93),cbc(aes-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_MD5 |
|
||||
MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = MD5_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(md5),rfc3686(ctr(aes)))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(md5-eip93),rfc3686(ctr(aes-eip93)))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA1 |
|
||||
MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA1_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha1-eip93),rfc3686(ctr(aes-eip93)))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA224 |
|
||||
MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA224_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha224),rfc3686(ctr(aes)))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha224-eip93),rfc3686(ctr(aes-eip93)))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA256 |
|
||||
MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA256_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha256-eip93),rfc3686(ctr(aes-eip93)))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = MD5_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(md5),cbc(des))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(md5-eip93),cbc(des-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA1_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha1),cbc(des))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha1-eip93),cbc(des-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA224_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha224),cbc(des))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha224-eip93),cbc(des-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA256_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha256),cbc(des))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha256-eip93),cbc(des-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_3DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = MD5_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(md5-eip93),cbc(des3_ede-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0x0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_3DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA1_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha1-eip93),cbc(des3_ede-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0x0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_3DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA224_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha224),cbc(des3_ede))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha224-eip93),cbc(des3_ede-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0x0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_AEAD,
|
||||
.flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_3DES,
|
||||
.alg.aead = {
|
||||
.setkey = mtk_aead_setkey,
|
||||
.encrypt = mtk_aead_encrypt,
|
||||
.decrypt = mtk_aead_decrypt,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setauthsize = mtk_aead_setauthsize,
|
||||
.maxauthsize = SHA256_DIGEST_SIZE,
|
||||
.base = {
|
||||
.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
|
||||
.cra_driver_name =
|
||||
"authenc(hmac(sha256-eip93),cbc(des3_ede-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0x0,
|
||||
.cra_init = mtk_aead_cra_init,
|
||||
.cra_exit = mtk_aead_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
@ -0,0 +1,31 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef _EIP93_AEAD_H_
|
||||
#define _EIP93_AEAD_H_
|
||||
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes;
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede;
|
||||
extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede;
|
||||
#endif
|
||||
|
||||
void mtk_aead_handle_result(struct crypto_async_request *async, int err);
|
||||
|
||||
#endif /* _EIP93_AEAD_H_ */
|
||||
@ -0,0 +1,15 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef _EIP93_AES_H_
|
||||
#define _EIP93_AES_H_
|
||||
|
||||
extern struct mtk_alg_template mtk_alg_ecb_aes;
|
||||
extern struct mtk_alg_template mtk_alg_cbc_aes;
|
||||
extern struct mtk_alg_template mtk_alg_ctr_aes;
|
||||
extern struct mtk_alg_template mtk_alg_rfc3686_aes;
|
||||
|
||||
#endif /* _EIP93_AES_H_ */
|
||||
@ -0,0 +1,429 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/ctr.h>
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
#include <crypto/internal/des.h>
|
||||
#endif
|
||||
#include <linux/dma-mapping.h>
|
||||
|
||||
#include "eip93-cipher.h"
|
||||
#include "eip93-common.h"
|
||||
#include "eip93-regs.h"
|
||||
|
||||
void mtk_skcipher_handle_result(struct crypto_async_request *async, int err)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
|
||||
struct mtk_device *mtk = ctx->mtk;
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
|
||||
|
||||
mtk_unmap_dma(mtk, rctx, req->src, req->dst);
|
||||
mtk_handle_result(mtk, rctx, req->iv);
|
||||
|
||||
skcipher_request_complete(req, err);
|
||||
}
|
||||
|
||||
static int mtk_skcipher_send_req(struct crypto_async_request *async)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
|
||||
int err;
|
||||
|
||||
err = check_valid_request(rctx);
|
||||
|
||||
if (err) {
|
||||
skcipher_request_complete(req, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
return mtk_send_req(async, req->iv, rctx);
|
||||
}
|
||||
|
||||
/* Crypto skcipher API functions */
|
||||
static int mtk_skcipher_cra_init(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
|
||||
struct mtk_alg_template, alg.skcipher.base);
|
||||
|
||||
crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm),
|
||||
sizeof(struct mtk_cipher_reqctx));
|
||||
|
||||
memset(ctx, 0, sizeof(*ctx));
|
||||
ctx->mtk = tmpl->mtk;
|
||||
|
||||
ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
|
||||
if (!ctx->sa_in)
|
||||
return -ENOMEM;
|
||||
|
||||
ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
|
||||
sizeof(struct saRecord_s), DMA_TO_DEVICE);
|
||||
|
||||
ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
|
||||
if (!ctx->sa_out)
|
||||
return -ENOMEM;
|
||||
|
||||
ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
|
||||
sizeof(struct saRecord_s), DMA_TO_DEVICE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mtk_skcipher_cra_exit(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
|
||||
dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
|
||||
sizeof(struct saRecord_s), DMA_TO_DEVICE);
|
||||
dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
|
||||
sizeof(struct saRecord_s), DMA_TO_DEVICE);
|
||||
kfree(ctx->sa_in);
|
||||
kfree(ctx->sa_out);
|
||||
}
|
||||
|
||||
static int mtk_skcipher_setkey(struct crypto_skcipher *ctfm, const u8 *key,
|
||||
unsigned int len)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm);
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
|
||||
struct mtk_alg_template, alg.skcipher.base);
|
||||
struct saRecord_s *saRecord = ctx->sa_out;
|
||||
u32 flags = tmpl->flags;
|
||||
u32 nonce = 0;
|
||||
unsigned int keylen = len;
|
||||
int sa_size = sizeof(struct saRecord_s);
|
||||
int err = -EINVAL;
|
||||
|
||||
if (!key || !keylen)
|
||||
return err;
|
||||
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
if (IS_RFC3686(flags)) {
|
||||
if (len < CTR_RFC3686_NONCE_SIZE)
|
||||
return err;
|
||||
|
||||
keylen = len - CTR_RFC3686_NONCE_SIZE;
|
||||
memcpy(&nonce, key + keylen, CTR_RFC3686_NONCE_SIZE);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
if (flags & MTK_ALG_DES) {
|
||||
ctx->blksize = DES_BLOCK_SIZE;
|
||||
err = verify_skcipher_des_key(ctfm, key);
|
||||
}
|
||||
if (flags & MTK_ALG_3DES) {
|
||||
ctx->blksize = DES3_EDE_BLOCK_SIZE;
|
||||
err = verify_skcipher_des3_key(ctfm, key);
|
||||
}
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
if (flags & MTK_ALG_AES) {
|
||||
struct crypto_aes_ctx aes;
|
||||
|
||||
ctx->blksize = AES_BLOCK_SIZE;
|
||||
err = aes_expandkey(&aes, key, keylen);
|
||||
}
|
||||
#endif
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
|
||||
DMA_TO_DEVICE);
|
||||
|
||||
dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
|
||||
DMA_TO_DEVICE);
|
||||
|
||||
mtk_set_saRecord(saRecord, keylen, flags);
|
||||
|
||||
memcpy(saRecord->saKey, key, keylen);
|
||||
ctx->saNonce = nonce;
|
||||
saRecord->saNonce = nonce;
|
||||
saRecord->saCmd0.bits.direction = 0;
|
||||
|
||||
memcpy(ctx->sa_in, saRecord, sa_size);
|
||||
ctx->sa_in->saCmd0.bits.direction = 1;
|
||||
|
||||
ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
|
||||
DMA_TO_DEVICE);
|
||||
|
||||
ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
|
||||
DMA_TO_DEVICE);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int mtk_skcipher_crypt(struct skcipher_request *req)
|
||||
{
|
||||
struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
|
||||
struct crypto_async_request *async = &req->base;
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
|
||||
|
||||
if (!req->cryptlen)
|
||||
return 0;
|
||||
|
||||
rctx->assoclen = 0;
|
||||
rctx->textsize = req->cryptlen;
|
||||
rctx->authsize = 0;
|
||||
rctx->sg_src = req->src;
|
||||
rctx->sg_dst = req->dst;
|
||||
rctx->ivsize = crypto_skcipher_ivsize(skcipher);
|
||||
rctx->blksize = ctx->blksize;
|
||||
rctx->flags |= MTK_DESC_SKCIPHER;
|
||||
if (!IS_ECB(rctx->flags))
|
||||
rctx->flags |= MTK_DESC_DMA_IV;
|
||||
|
||||
return mtk_skcipher_send_req(async);
|
||||
}
|
||||
|
||||
static int mtk_skcipher_encrypt(struct skcipher_request *req)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
|
||||
struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
|
||||
struct mtk_alg_template, alg.skcipher.base);
|
||||
|
||||
rctx->flags = tmpl->flags;
|
||||
rctx->flags |= MTK_ENCRYPT;
|
||||
rctx->saRecord_base = ctx->sa_base_out;
|
||||
|
||||
return mtk_skcipher_crypt(req);
|
||||
}
|
||||
|
||||
static int mtk_skcipher_decrypt(struct skcipher_request *req)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
|
||||
struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
|
||||
struct mtk_alg_template, alg.skcipher.base);
|
||||
|
||||
rctx->flags = tmpl->flags;
|
||||
rctx->flags |= MTK_DECRYPT;
|
||||
rctx->saRecord_base = ctx->sa_base_in;
|
||||
|
||||
return mtk_skcipher_crypt(req);
|
||||
}
|
||||
|
||||
/* Available algorithms in this module */
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
struct mtk_alg_template mtk_alg_ecb_aes = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_ECB | MTK_ALG_AES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = 0,
|
||||
.base = {
|
||||
.cra_name = "ecb(aes)",
|
||||
.cra_driver_name = "ecb(aes-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_NEED_FALLBACK |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_cbc_aes = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_CBC | MTK_ALG_AES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.base = {
|
||||
.cra_name = "cbc(aes)",
|
||||
.cra_driver_name = "cbc(aes-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_NEED_FALLBACK |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_ctr_aes = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_CTR | MTK_ALG_AES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.base = {
|
||||
.cra_name = "ctr(aes)",
|
||||
.cra_driver_name = "ctr(aes-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_NEED_FALLBACK |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_rfc3686_aes = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.base = {
|
||||
.cra_name = "rfc3686(ctr(aes))",
|
||||
.cra_driver_name = "rfc3686(ctr(aes-eip93))",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_NEED_FALLBACK |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
struct mtk_alg_template mtk_alg_ecb_des = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_ECB | MTK_ALG_DES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = DES_KEY_SIZE,
|
||||
.max_keysize = DES_KEY_SIZE,
|
||||
.ivsize = 0,
|
||||
.base = {
|
||||
.cra_name = "ecb(des)",
|
||||
.cra_driver_name = "ebc(des-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_cbc_des = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_CBC | MTK_ALG_DES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = DES_KEY_SIZE,
|
||||
.max_keysize = DES_KEY_SIZE,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.base = {
|
||||
.cra_name = "cbc(des)",
|
||||
.cra_driver_name = "cbc(des-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_ecb_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_ECB | MTK_ALG_3DES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = 0,
|
||||
.base = {
|
||||
.cra_name = "ecb(des3_ede)",
|
||||
.cra_driver_name = "ecb(des3_ede-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
struct mtk_alg_template mtk_alg_cbc_des3_ede = {
|
||||
.type = MTK_ALG_TYPE_SKCIPHER,
|
||||
.flags = MTK_MODE_CBC | MTK_ALG_3DES,
|
||||
.alg.skcipher = {
|
||||
.setkey = mtk_skcipher_setkey,
|
||||
.encrypt = mtk_skcipher_encrypt,
|
||||
.decrypt = mtk_skcipher_decrypt,
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.base = {
|
||||
.cra_name = "cbc(des3_ede)",
|
||||
.cra_driver_name = "cbc(des3_ede-eip93)",
|
||||
.cra_priority = MTK_CRA_PRIORITY,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct mtk_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = mtk_skcipher_cra_init,
|
||||
.cra_exit = mtk_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
@ -0,0 +1,63 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef _EIP93_CIPHER_H_
|
||||
#define _EIP93_CIPHER_H_
|
||||
|
||||
#include "eip93-main.h"
|
||||
|
||||
struct mtk_crypto_ctx {
|
||||
struct mtk_device *mtk;
|
||||
struct saRecord_s *sa_in;
|
||||
dma_addr_t sa_base_in;
|
||||
struct saRecord_s *sa_out;
|
||||
dma_addr_t sa_base_out;
|
||||
uint32_t saNonce;
|
||||
int blksize;
|
||||
/* AEAD specific */
|
||||
unsigned int authsize;
|
||||
unsigned int assoclen_in;
|
||||
unsigned int assoclen_out;
|
||||
bool in_first;
|
||||
bool out_first;
|
||||
struct crypto_shash *shash;
|
||||
};
|
||||
|
||||
struct mtk_cipher_reqctx {
|
||||
unsigned long flags;
|
||||
unsigned int blksize;
|
||||
unsigned int ivsize;
|
||||
unsigned int textsize;
|
||||
unsigned int assoclen;
|
||||
unsigned int authsize;
|
||||
dma_addr_t saRecord_base;
|
||||
struct saState_s *saState;
|
||||
dma_addr_t saState_base;
|
||||
uint32_t saState_idx;
|
||||
struct eip93_descriptor_s *cdesc;
|
||||
struct scatterlist *sg_src;
|
||||
struct scatterlist *sg_dst;
|
||||
int src_nents;
|
||||
int dst_nents;
|
||||
struct saState_s *saState_ctr;
|
||||
dma_addr_t saState_base_ctr;
|
||||
uint32_t saState_ctr_idx;
|
||||
};
|
||||
|
||||
int check_valid_request(struct mtk_cipher_reqctx *rctx);
|
||||
|
||||
void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
|
||||
struct scatterlist *reqsrc, struct scatterlist *reqdst);
|
||||
|
||||
void mtk_skcipher_handle_result(struct crypto_async_request *async, int err);
|
||||
|
||||
int mtk_send_req(struct crypto_async_request *async,
|
||||
const u8 *reqiv, struct mtk_cipher_reqctx *rctx);
|
||||
|
||||
void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
|
||||
u8 *reqiv);
|
||||
|
||||
#endif /* _EIP93_CIPHER_H_ */
|
||||
@ -0,0 +1,749 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/ctr.h>
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/sha1.h>
|
||||
#include <crypto/sha2.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/scatterlist.h>
|
||||
|
||||
#include "eip93-cipher.h"
|
||||
#include "eip93-common.h"
|
||||
#include "eip93-main.h"
|
||||
#include "eip93-regs.h"
|
||||
|
||||
inline void *mtk_ring_next_wptr(struct mtk_device *mtk,
|
||||
struct mtk_desc_ring *ring)
|
||||
{
|
||||
void *ptr = ring->write;
|
||||
|
||||
if ((ring->write == ring->read - ring->offset) ||
|
||||
(ring->read == ring->base && ring->write == ring->base_end))
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
if (ring->write == ring->base_end)
|
||||
ring->write = ring->base;
|
||||
else
|
||||
ring->write += ring->offset;
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
inline void *mtk_ring_next_rptr(struct mtk_device *mtk,
|
||||
struct mtk_desc_ring *ring)
|
||||
{
|
||||
void *ptr = ring->read;
|
||||
|
||||
if (ring->write == ring->read)
|
||||
return ERR_PTR(-ENOENT);
|
||||
|
||||
if (ring->read == ring->base_end)
|
||||
ring->read = ring->base;
|
||||
else
|
||||
ring->read += ring->offset;
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
inline int mtk_put_descriptor(struct mtk_device *mtk,
|
||||
struct eip93_descriptor_s *desc)
|
||||
{
|
||||
struct eip93_descriptor_s *cdesc;
|
||||
struct eip93_descriptor_s *rdesc;
|
||||
unsigned long irqflags;
|
||||
|
||||
spin_lock_irqsave(&mtk->ring->write_lock, irqflags);
|
||||
|
||||
rdesc = mtk_ring_next_wptr(mtk, &mtk->ring->rdr);
|
||||
|
||||
if (IS_ERR(rdesc)) {
|
||||
spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
cdesc = mtk_ring_next_wptr(mtk, &mtk->ring->cdr);
|
||||
|
||||
if (IS_ERR(cdesc)) {
|
||||
spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
memset(rdesc, 0, sizeof(struct eip93_descriptor_s));
|
||||
memcpy(cdesc, desc, sizeof(struct eip93_descriptor_s));
|
||||
|
||||
atomic_dec(&mtk->ring->free);
|
||||
spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
inline void *mtk_get_descriptor(struct mtk_device *mtk)
|
||||
{
|
||||
struct eip93_descriptor_s *cdesc;
|
||||
void *ptr;
|
||||
unsigned long irqflags;
|
||||
|
||||
spin_lock_irqsave(&mtk->ring->read_lock, irqflags);
|
||||
|
||||
cdesc = mtk_ring_next_rptr(mtk, &mtk->ring->cdr);
|
||||
|
||||
if (IS_ERR(cdesc)) {
|
||||
spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
|
||||
return ERR_PTR(-ENOENT);
|
||||
}
|
||||
|
||||
memset(cdesc, 0, sizeof(struct eip93_descriptor_s));
|
||||
|
||||
ptr = mtk_ring_next_rptr(mtk, &mtk->ring->rdr);
|
||||
if (IS_ERR(ptr)) {
|
||||
spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
|
||||
return ERR_PTR(-ENOENT);
|
||||
}
|
||||
|
||||
atomic_inc(&mtk->ring->free);
|
||||
spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
inline int mtk_get_free_saState(struct mtk_device *mtk)
|
||||
{
|
||||
struct mtk_state_pool *saState_pool;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < MTK_RING_SIZE; i++) {
|
||||
saState_pool = &mtk->ring->saState_pool[i];
|
||||
if (saState_pool->in_use == false) {
|
||||
saState_pool->in_use = true;
|
||||
return i;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
static inline void mtk_free_sg_copy(const int len, struct scatterlist **sg)
|
||||
{
|
||||
if (!*sg || !len)
|
||||
return;
|
||||
|
||||
free_pages((unsigned long)sg_virt(*sg), get_order(len));
|
||||
kfree(*sg);
|
||||
*sg = NULL;
|
||||
}
|
||||
|
||||
static inline int mtk_make_sg_copy(struct scatterlist *src,
|
||||
struct scatterlist **dst,
|
||||
const uint32_t len, const bool copy)
|
||||
{
|
||||
void *pages;
|
||||
|
||||
*dst = kmalloc(sizeof(**dst), GFP_KERNEL);
|
||||
if (!*dst)
|
||||
return -ENOMEM;
|
||||
|
||||
|
||||
pages = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA,
|
||||
get_order(len));
|
||||
|
||||
if (!pages) {
|
||||
kfree(*dst);
|
||||
*dst = NULL;
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
sg_init_table(*dst, 1);
|
||||
sg_set_buf(*dst, pages, len);
|
||||
|
||||
/* copy only as requested */
|
||||
if (copy)
|
||||
sg_copy_to_buffer(src, sg_nents(src), pages, len);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline bool mtk_is_sg_aligned(struct scatterlist *sg, u32 len,
|
||||
const int blksize)
|
||||
{
|
||||
int nents;
|
||||
|
||||
for (nents = 0; sg; sg = sg_next(sg), ++nents) {
|
||||
if (!IS_ALIGNED(sg->offset, 4))
|
||||
return false;
|
||||
|
||||
if (len <= sg->length) {
|
||||
if (!IS_ALIGNED(len, blksize))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (!IS_ALIGNED(sg->length, blksize))
|
||||
return false;
|
||||
|
||||
len -= sg->length;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
int check_valid_request(struct mtk_cipher_reqctx *rctx)
|
||||
{
|
||||
struct scatterlist *src = rctx->sg_src;
|
||||
struct scatterlist *dst = rctx->sg_dst;
|
||||
uint32_t src_nents, dst_nents;
|
||||
u32 textsize = rctx->textsize;
|
||||
u32 authsize = rctx->authsize;
|
||||
u32 blksize = rctx->blksize;
|
||||
u32 totlen_src = rctx->assoclen + rctx->textsize;
|
||||
u32 totlen_dst = rctx->assoclen + rctx->textsize;
|
||||
u32 copy_len;
|
||||
bool src_align, dst_align;
|
||||
int err = -EINVAL;
|
||||
|
||||
if (!IS_CTR(rctx->flags)) {
|
||||
if (!IS_ALIGNED(textsize, blksize))
|
||||
return err;
|
||||
}
|
||||
|
||||
if (authsize) {
|
||||
if (IS_ENCRYPT(rctx->flags))
|
||||
totlen_dst += authsize;
|
||||
else
|
||||
totlen_src += authsize;
|
||||
}
|
||||
|
||||
src_nents = sg_nents_for_len(src, totlen_src);
|
||||
dst_nents = sg_nents_for_len(dst, totlen_dst);
|
||||
|
||||
if (src == dst) {
|
||||
src_nents = max(src_nents, dst_nents);
|
||||
dst_nents = src_nents;
|
||||
if (unlikely((totlen_src || totlen_dst) && (src_nents <= 0)))
|
||||
return err;
|
||||
|
||||
} else {
|
||||
if (unlikely(totlen_src && (src_nents <= 0)))
|
||||
return err;
|
||||
|
||||
if (unlikely(totlen_dst && (dst_nents <= 0)))
|
||||
return err;
|
||||
}
|
||||
|
||||
if (authsize) {
|
||||
if (dst_nents == 1 && src_nents == 1) {
|
||||
src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
|
||||
if (src == dst)
|
||||
dst_align = src_align;
|
||||
else
|
||||
dst_align = mtk_is_sg_aligned(dst,
|
||||
totlen_dst, blksize);
|
||||
} else {
|
||||
src_align = false;
|
||||
dst_align = false;
|
||||
}
|
||||
} else {
|
||||
src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
|
||||
if (src == dst)
|
||||
dst_align = src_align;
|
||||
else
|
||||
dst_align = mtk_is_sg_aligned(dst, totlen_dst, blksize);
|
||||
}
|
||||
|
||||
copy_len = max(totlen_src, totlen_dst);
|
||||
if (!src_align) {
|
||||
err = mtk_make_sg_copy(src, &rctx->sg_src, copy_len, true);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
if (!dst_align) {
|
||||
err = mtk_make_sg_copy(dst, &rctx->sg_dst, copy_len, false);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
rctx->src_nents = sg_nents_for_len(rctx->sg_src, totlen_src);
|
||||
rctx->dst_nents = sg_nents_for_len(rctx->sg_dst, totlen_dst);
|
||||
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
* Set saRecord function:
|
||||
* Even saRecord is set to "0", keep " = 0" for readability.
|
||||
*/
|
||||
void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
|
||||
const u32 flags)
|
||||
{
|
||||
saRecord->saCmd0.bits.ivSource = 2;
|
||||
if (IS_ECB(flags))
|
||||
saRecord->saCmd0.bits.saveIv = 0;
|
||||
else
|
||||
saRecord->saCmd0.bits.saveIv = 1;
|
||||
|
||||
saRecord->saCmd0.bits.opGroup = 0;
|
||||
saRecord->saCmd0.bits.opCode = 0;
|
||||
|
||||
switch ((flags & MTK_ALG_MASK)) {
|
||||
case MTK_ALG_AES:
|
||||
saRecord->saCmd0.bits.cipher = 3;
|
||||
saRecord->saCmd1.bits.aesKeyLen = keylen >> 3;
|
||||
break;
|
||||
case MTK_ALG_3DES:
|
||||
saRecord->saCmd0.bits.cipher = 1;
|
||||
break;
|
||||
case MTK_ALG_DES:
|
||||
saRecord->saCmd0.bits.cipher = 0;
|
||||
break;
|
||||
default:
|
||||
saRecord->saCmd0.bits.cipher = 15;
|
||||
}
|
||||
|
||||
switch ((flags & MTK_HASH_MASK)) {
|
||||
case MTK_HASH_SHA256:
|
||||
saRecord->saCmd0.bits.hash = 3;
|
||||
break;
|
||||
case MTK_HASH_SHA224:
|
||||
saRecord->saCmd0.bits.hash = 2;
|
||||
break;
|
||||
case MTK_HASH_SHA1:
|
||||
saRecord->saCmd0.bits.hash = 1;
|
||||
break;
|
||||
case MTK_HASH_MD5:
|
||||
saRecord->saCmd0.bits.hash = 0;
|
||||
break;
|
||||
default:
|
||||
saRecord->saCmd0.bits.hash = 15;
|
||||
}
|
||||
|
||||
saRecord->saCmd0.bits.hdrProc = 0;
|
||||
saRecord->saCmd0.bits.padType = 3;
|
||||
saRecord->saCmd0.bits.extPad = 0;
|
||||
saRecord->saCmd0.bits.scPad = 0;
|
||||
|
||||
switch ((flags & MTK_MODE_MASK)) {
|
||||
case MTK_MODE_CBC:
|
||||
saRecord->saCmd1.bits.cipherMode = 1;
|
||||
break;
|
||||
case MTK_MODE_CTR:
|
||||
saRecord->saCmd1.bits.cipherMode = 2;
|
||||
break;
|
||||
case MTK_MODE_ECB:
|
||||
saRecord->saCmd1.bits.cipherMode = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
saRecord->saCmd1.bits.byteOffset = 0;
|
||||
saRecord->saCmd1.bits.hashCryptOffset = 0;
|
||||
saRecord->saCmd0.bits.digestLength = 0;
|
||||
saRecord->saCmd1.bits.copyPayload = 0;
|
||||
|
||||
if (IS_HMAC(flags)) {
|
||||
saRecord->saCmd1.bits.hmac = 1;
|
||||
saRecord->saCmd1.bits.copyDigest = 1;
|
||||
saRecord->saCmd1.bits.copyHeader = 1;
|
||||
} else {
|
||||
saRecord->saCmd1.bits.hmac = 0;
|
||||
saRecord->saCmd1.bits.copyDigest = 0;
|
||||
saRecord->saCmd1.bits.copyHeader = 0;
|
||||
}
|
||||
|
||||
saRecord->saCmd1.bits.seqNumCheck = 0;
|
||||
saRecord->saSpi = 0x0;
|
||||
saRecord->saSeqNumMask[0] = 0xFFFFFFFF;
|
||||
saRecord->saSeqNumMask[1] = 0x0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Poor mans Scatter/gather function:
|
||||
* Create a Descriptor for every segment to avoid copying buffers.
|
||||
* For performance better to wait for hardware to perform multiple DMA
|
||||
*
|
||||
*/
|
||||
static inline int mtk_scatter_combine(struct mtk_device *mtk,
|
||||
struct mtk_cipher_reqctx *rctx,
|
||||
u32 datalen, u32 split, int offsetin)
|
||||
{
|
||||
struct eip93_descriptor_s *cdesc = rctx->cdesc;
|
||||
struct scatterlist *sgsrc = rctx->sg_src;
|
||||
struct scatterlist *sgdst = rctx->sg_dst;
|
||||
unsigned int remainin = sg_dma_len(sgsrc);
|
||||
unsigned int remainout = sg_dma_len(sgdst);
|
||||
dma_addr_t saddr = sg_dma_address(sgsrc);
|
||||
dma_addr_t daddr = sg_dma_address(sgdst);
|
||||
dma_addr_t stateAddr;
|
||||
u32 srcAddr, dstAddr, len, n;
|
||||
bool nextin = false;
|
||||
bool nextout = false;
|
||||
int offsetout = 0;
|
||||
int ndesc_cdr = 0, err;
|
||||
|
||||
if (IS_ECB(rctx->flags))
|
||||
rctx->saState_base = 0;
|
||||
|
||||
if (split < datalen) {
|
||||
stateAddr = rctx->saState_base_ctr;
|
||||
n = split;
|
||||
} else {
|
||||
stateAddr = rctx->saState_base;
|
||||
n = datalen;
|
||||
}
|
||||
|
||||
do {
|
||||
if (nextin) {
|
||||
sgsrc = sg_next(sgsrc);
|
||||
remainin = sg_dma_len(sgsrc);
|
||||
if (remainin == 0)
|
||||
continue;
|
||||
|
||||
saddr = sg_dma_address(sgsrc);
|
||||
offsetin = 0;
|
||||
nextin = false;
|
||||
}
|
||||
|
||||
if (nextout) {
|
||||
sgdst = sg_next(sgdst);
|
||||
remainout = sg_dma_len(sgdst);
|
||||
if (remainout == 0)
|
||||
continue;
|
||||
|
||||
daddr = sg_dma_address(sgdst);
|
||||
offsetout = 0;
|
||||
nextout = false;
|
||||
}
|
||||
srcAddr = saddr + offsetin;
|
||||
dstAddr = daddr + offsetout;
|
||||
|
||||
if (remainin == remainout) {
|
||||
len = remainin;
|
||||
if (len > n) {
|
||||
len = n;
|
||||
remainin -= n;
|
||||
remainout -= n;
|
||||
offsetin += n;
|
||||
offsetout += n;
|
||||
} else {
|
||||
nextin = true;
|
||||
nextout = true;
|
||||
}
|
||||
} else if (remainin < remainout) {
|
||||
len = remainin;
|
||||
if (len > n) {
|
||||
len = n;
|
||||
remainin -= n;
|
||||
remainout -= n;
|
||||
offsetin += n;
|
||||
offsetout += n;
|
||||
} else {
|
||||
offsetout += len;
|
||||
remainout -= len;
|
||||
nextin = true;
|
||||
}
|
||||
} else {
|
||||
len = remainout;
|
||||
if (len > n) {
|
||||
len = n;
|
||||
remainin -= n;
|
||||
remainout -= n;
|
||||
offsetin += n;
|
||||
offsetout += n;
|
||||
} else {
|
||||
offsetin += len;
|
||||
remainin -= len;
|
||||
nextout = true;
|
||||
}
|
||||
}
|
||||
n -= len;
|
||||
|
||||
cdesc->srcAddr = srcAddr;
|
||||
cdesc->dstAddr = dstAddr;
|
||||
cdesc->stateAddr = stateAddr;
|
||||
cdesc->peLength.bits.peReady = 0;
|
||||
cdesc->peLength.bits.byPass = 0;
|
||||
cdesc->peLength.bits.length = len;
|
||||
cdesc->peLength.bits.hostReady = 1;
|
||||
|
||||
if (n == 0) {
|
||||
n = datalen - split;
|
||||
split = datalen;
|
||||
stateAddr = rctx->saState_base;
|
||||
}
|
||||
|
||||
if (n == 0)
|
||||
cdesc->userId |= MTK_DESC_LAST;
|
||||
|
||||
/* Loop - Delay - No need to rollback
|
||||
* Maybe refine by slowing down at MTK_RING_BUSY
|
||||
*/
|
||||
again:
|
||||
err = mtk_put_descriptor(mtk, cdesc);
|
||||
if (err) {
|
||||
udelay(500);
|
||||
goto again;
|
||||
}
|
||||
/* Writing new descriptor count starts DMA action */
|
||||
writel(1, mtk->base + EIP93_REG_PE_CD_COUNT);
|
||||
|
||||
ndesc_cdr++;
|
||||
} while (n);
|
||||
|
||||
return -EINPROGRESS;
|
||||
}
|
||||
|
||||
int mtk_send_req(struct crypto_async_request *async,
|
||||
const u8 *reqiv, struct mtk_cipher_reqctx *rctx)
|
||||
{
|
||||
struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
|
||||
struct mtk_device *mtk = ctx->mtk;
|
||||
struct scatterlist *src = rctx->sg_src;
|
||||
struct scatterlist *dst = rctx->sg_dst;
|
||||
struct saState_s *saState;
|
||||
struct mtk_state_pool *saState_pool;
|
||||
struct eip93_descriptor_s cdesc;
|
||||
u32 flags = rctx->flags;
|
||||
int idx;
|
||||
int offsetin = 0, err = -ENOMEM;
|
||||
u32 datalen = rctx->assoclen + rctx->textsize;
|
||||
u32 split = datalen;
|
||||
u32 start, end, ctr, blocks;
|
||||
u32 iv[AES_BLOCK_SIZE / sizeof(u32)];
|
||||
|
||||
rctx->saState_ctr = NULL;
|
||||
rctx->saState = NULL;
|
||||
|
||||
if (IS_ECB(flags))
|
||||
goto skip_iv;
|
||||
|
||||
memcpy(iv, reqiv, rctx->ivsize);
|
||||
|
||||
if (!IS_ALIGNED((u32)reqiv, rctx->ivsize) || IS_RFC3686(flags)) {
|
||||
rctx->flags &= ~MTK_DESC_DMA_IV;
|
||||
flags = rctx->flags;
|
||||
}
|
||||
|
||||
if (IS_DMA_IV(flags)) {
|
||||
rctx->saState = (void *)reqiv;
|
||||
} else {
|
||||
idx = mtk_get_free_saState(mtk);
|
||||
if (idx < 0)
|
||||
goto send_err;
|
||||
saState_pool = &mtk->ring->saState_pool[idx];
|
||||
rctx->saState_idx = idx;
|
||||
rctx->saState = saState_pool->base;
|
||||
rctx->saState_base = saState_pool->base_dma;
|
||||
memcpy(rctx->saState->stateIv, iv, rctx->ivsize);
|
||||
}
|
||||
|
||||
saState = rctx->saState;
|
||||
|
||||
if (IS_RFC3686(flags)) {
|
||||
saState->stateIv[0] = ctx->saNonce;
|
||||
saState->stateIv[1] = iv[0];
|
||||
saState->stateIv[2] = iv[1];
|
||||
saState->stateIv[3] = cpu_to_be32(1);
|
||||
} else if (!IS_HMAC(flags) && IS_CTR(flags)) {
|
||||
/* Compute data length. */
|
||||
blocks = DIV_ROUND_UP(rctx->textsize, AES_BLOCK_SIZE);
|
||||
ctr = be32_to_cpu(iv[3]);
|
||||
/* Check 32bit counter overflow. */
|
||||
start = ctr;
|
||||
end = start + blocks - 1;
|
||||
if (end < start) {
|
||||
split = AES_BLOCK_SIZE * -start;
|
||||
/*
|
||||
* Increment the counter manually to cope with
|
||||
* the hardware counter overflow.
|
||||
*/
|
||||
iv[3] = 0xffffffff;
|
||||
crypto_inc((u8 *)iv, AES_BLOCK_SIZE);
|
||||
idx = mtk_get_free_saState(mtk);
|
||||
if (idx < 0)
|
||||
goto free_state;
|
||||
saState_pool = &mtk->ring->saState_pool[idx];
|
||||
rctx->saState_ctr_idx = idx;
|
||||
rctx->saState_ctr = saState_pool->base;
|
||||
rctx->saState_base_ctr = saState_pool->base_dma;
|
||||
|
||||
memcpy(rctx->saState_ctr->stateIv, reqiv, rctx->ivsize);
|
||||
memcpy(saState->stateIv, iv, rctx->ivsize);
|
||||
}
|
||||
}
|
||||
|
||||
if (IS_DMA_IV(flags)) {
|
||||
rctx->saState_base = dma_map_single(mtk->dev, (void *)reqiv,
|
||||
rctx->ivsize, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(mtk->dev, rctx->saState_base))
|
||||
goto free_state;
|
||||
}
|
||||
skip_iv:
|
||||
cdesc.peCrtlStat.bits.hostReady = 1;
|
||||
cdesc.peCrtlStat.bits.prngMode = 0;
|
||||
cdesc.peCrtlStat.bits.hashFinal = 0;
|
||||
cdesc.peCrtlStat.bits.padCrtlStat = 0;
|
||||
cdesc.peCrtlStat.bits.peReady = 0;
|
||||
cdesc.saAddr = rctx->saRecord_base;
|
||||
cdesc.arc4Addr = (uint32_t)async;
|
||||
cdesc.userId = flags;
|
||||
rctx->cdesc = &cdesc;
|
||||
|
||||
/* map DMA_BIDIRECTIONAL to invalidate cache on destination
|
||||
* implies __dma_cache_wback_inv
|
||||
*/
|
||||
dma_map_sg(mtk->dev, dst, rctx->dst_nents, DMA_BIDIRECTIONAL);
|
||||
if (src != dst)
|
||||
dma_map_sg(mtk->dev, src, rctx->src_nents, DMA_TO_DEVICE);
|
||||
|
||||
err = mtk_scatter_combine(mtk, rctx, datalen, split, offsetin);
|
||||
|
||||
return err;
|
||||
|
||||
free_state:
|
||||
if (rctx->saState) {
|
||||
saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
|
||||
saState_pool->in_use = false;
|
||||
}
|
||||
|
||||
if (rctx->saState_ctr) {
|
||||
saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
|
||||
saState_pool->in_use = false;
|
||||
}
|
||||
send_err:
|
||||
return err;
|
||||
}
|
||||
|
||||
void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
|
||||
struct scatterlist *reqsrc, struct scatterlist *reqdst)
|
||||
{
|
||||
u32 len = rctx->assoclen + rctx->textsize;
|
||||
u32 authsize = rctx->authsize;
|
||||
u32 flags = rctx->flags;
|
||||
u32 *otag;
|
||||
int i;
|
||||
|
||||
if (rctx->sg_src == rctx->sg_dst) {
|
||||
dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
|
||||
DMA_BIDIRECTIONAL);
|
||||
goto process_tag;
|
||||
}
|
||||
|
||||
dma_unmap_sg(mtk->dev, rctx->sg_src, rctx->src_nents,
|
||||
DMA_TO_DEVICE);
|
||||
|
||||
if (rctx->sg_src != reqsrc)
|
||||
mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_src);
|
||||
|
||||
dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
|
||||
DMA_BIDIRECTIONAL);
|
||||
|
||||
/* SHA tags need conversion from net-to-host */
|
||||
process_tag:
|
||||
if (IS_DECRYPT(flags))
|
||||
authsize = 0;
|
||||
|
||||
if (authsize) {
|
||||
if (!IS_HASH_MD5(flags)) {
|
||||
otag = sg_virt(rctx->sg_dst) + len;
|
||||
for (i = 0; i < (authsize / 4); i++)
|
||||
otag[i] = ntohl(otag[i]);
|
||||
}
|
||||
}
|
||||
|
||||
if (rctx->sg_dst != reqdst) {
|
||||
sg_copy_from_buffer(reqdst, sg_nents(reqdst),
|
||||
sg_virt(rctx->sg_dst), len + authsize);
|
||||
mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_dst);
|
||||
}
|
||||
}
|
||||
|
||||
void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
|
||||
u8 *reqiv)
|
||||
{
|
||||
struct mtk_state_pool *saState_pool;
|
||||
|
||||
if (IS_DMA_IV(rctx->flags))
|
||||
dma_unmap_single(mtk->dev, rctx->saState_base, rctx->ivsize,
|
||||
DMA_TO_DEVICE);
|
||||
|
||||
if (!IS_ECB(rctx->flags))
|
||||
memcpy(reqiv, rctx->saState->stateIv, rctx->ivsize);
|
||||
|
||||
if ((rctx->saState) && !(IS_DMA_IV(rctx->flags))) {
|
||||
saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
|
||||
saState_pool->in_use = false;
|
||||
}
|
||||
|
||||
if (rctx->saState_ctr) {
|
||||
saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
|
||||
saState_pool->in_use = false;
|
||||
}
|
||||
}
|
||||
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
|
||||
/* basically this is set hmac - key */
|
||||
int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
|
||||
const u8 *authkey, unsigned int authkeylen)
|
||||
{
|
||||
int bs = crypto_shash_blocksize(cshash);
|
||||
int ds = crypto_shash_digestsize(cshash);
|
||||
int ss = crypto_shash_statesize(cshash);
|
||||
u8 *ipad, *opad;
|
||||
unsigned int i, err;
|
||||
|
||||
SHASH_DESC_ON_STACK(shash, cshash);
|
||||
|
||||
shash->tfm = cshash;
|
||||
|
||||
/* auth key
|
||||
*
|
||||
* EIP93 can only authenticate with hash of the key
|
||||
* do software shash until EIP93 hash function complete.
|
||||
*/
|
||||
ipad = kcalloc(2, SHA256_BLOCK_SIZE + ss, GFP_KERNEL);
|
||||
if (!ipad)
|
||||
return -ENOMEM;
|
||||
|
||||
opad = ipad + SHA256_BLOCK_SIZE + ss;
|
||||
|
||||
if (authkeylen > bs) {
|
||||
err = crypto_shash_digest(shash, authkey,
|
||||
authkeylen, ipad);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
authkeylen = ds;
|
||||
} else
|
||||
memcpy(ipad, authkey, authkeylen);
|
||||
|
||||
memset(ipad + authkeylen, 0, bs - authkeylen);
|
||||
memcpy(opad, ipad, bs);
|
||||
|
||||
for (i = 0; i < bs; i++) {
|
||||
ipad[i] ^= HMAC_IPAD_VALUE;
|
||||
opad[i] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
err = crypto_shash_init(shash) ?:
|
||||
crypto_shash_update(shash, ipad, bs) ?:
|
||||
crypto_shash_export(shash, ipad) ?:
|
||||
crypto_shash_init(shash) ?:
|
||||
crypto_shash_update(shash, opad, bs) ?:
|
||||
crypto_shash_export(shash, opad);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* add auth key */
|
||||
memcpy(&sa->saIDigest, ipad, SHA256_DIGEST_SIZE);
|
||||
memcpy(&sa->saODigest, opad, SHA256_DIGEST_SIZE);
|
||||
|
||||
kfree(ipad);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
@ -0,0 +1,28 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
|
||||
#ifndef _EIP93_COMMON_H_
|
||||
#define _EIP93_COMMON_H_
|
||||
|
||||
#include "eip93-main.h"
|
||||
|
||||
inline int mtk_put_descriptor(struct mtk_device *mtk,
|
||||
struct eip93_descriptor_s *desc);
|
||||
|
||||
inline void *mtk_get_descriptor(struct mtk_device *mtk);
|
||||
|
||||
inline int mtk_get_free_saState(struct mtk_device *mtk);
|
||||
|
||||
void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
|
||||
const u32 flags);
|
||||
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
|
||||
int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
|
||||
const u8 *authkey, unsigned int authkeylen);
|
||||
#endif
|
||||
|
||||
#endif /* _EIP93_COMMON_H_ */
|
||||
@ -0,0 +1,15 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef _EIP93_DES_H_
|
||||
#define _EIP93_DES_H_
|
||||
|
||||
extern struct mtk_alg_template mtk_alg_ecb_des;
|
||||
extern struct mtk_alg_template mtk_alg_cbc_des;
|
||||
extern struct mtk_alg_template mtk_alg_ecb_des3_ede;
|
||||
extern struct mtk_alg_template mtk_alg_cbc_des3_ede;
|
||||
|
||||
#endif /* _EIP93_DES_H_ */
|
||||
467
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-main.c
Normal file
467
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-main.c
Normal file
@ -0,0 +1,467 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
|
||||
#include <linux/atomic.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
#include "eip93-main.h"
|
||||
#include "eip93-regs.h"
|
||||
#include "eip93-common.h"
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
|
||||
#include "eip93-cipher.h"
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
#include "eip93-aes.h"
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
#include "eip93-des.h"
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
|
||||
#include "eip93-aead.h"
|
||||
#endif
|
||||
|
||||
static struct mtk_alg_template *mtk_algs[] = {
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
&mtk_alg_ecb_des,
|
||||
&mtk_alg_cbc_des,
|
||||
&mtk_alg_ecb_des3_ede,
|
||||
&mtk_alg_cbc_des3_ede,
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
&mtk_alg_ecb_aes,
|
||||
&mtk_alg_cbc_aes,
|
||||
&mtk_alg_ctr_aes,
|
||||
&mtk_alg_rfc3686_aes,
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
&mtk_alg_authenc_hmac_md5_cbc_des,
|
||||
&mtk_alg_authenc_hmac_sha1_cbc_des,
|
||||
&mtk_alg_authenc_hmac_sha224_cbc_des,
|
||||
&mtk_alg_authenc_hmac_sha256_cbc_des,
|
||||
&mtk_alg_authenc_hmac_md5_cbc_des3_ede,
|
||||
&mtk_alg_authenc_hmac_sha1_cbc_des3_ede,
|
||||
&mtk_alg_authenc_hmac_sha224_cbc_des3_ede,
|
||||
&mtk_alg_authenc_hmac_sha256_cbc_des3_ede,
|
||||
#endif
|
||||
&mtk_alg_authenc_hmac_md5_cbc_aes,
|
||||
&mtk_alg_authenc_hmac_sha1_cbc_aes,
|
||||
&mtk_alg_authenc_hmac_sha224_cbc_aes,
|
||||
&mtk_alg_authenc_hmac_sha256_cbc_aes,
|
||||
&mtk_alg_authenc_hmac_md5_rfc3686_aes,
|
||||
&mtk_alg_authenc_hmac_sha1_rfc3686_aes,
|
||||
&mtk_alg_authenc_hmac_sha224_rfc3686_aes,
|
||||
&mtk_alg_authenc_hmac_sha256_rfc3686_aes,
|
||||
#endif
|
||||
};
|
||||
|
||||
inline void mtk_irq_disable(struct mtk_device *mtk, u32 mask)
|
||||
{
|
||||
__raw_writel(mask, mtk->base + EIP93_REG_MASK_DISABLE);
|
||||
}
|
||||
|
||||
inline void mtk_irq_enable(struct mtk_device *mtk, u32 mask)
|
||||
{
|
||||
__raw_writel(mask, mtk->base + EIP93_REG_MASK_ENABLE);
|
||||
}
|
||||
|
||||
inline void mtk_irq_clear(struct mtk_device *mtk, u32 mask)
|
||||
{
|
||||
__raw_writel(mask, mtk->base + EIP93_REG_INT_CLR);
|
||||
}
|
||||
|
||||
static void mtk_unregister_algs(unsigned int i)
|
||||
{
|
||||
unsigned int j;
|
||||
|
||||
for (j = 0; j < i; j++) {
|
||||
switch (mtk_algs[j]->type) {
|
||||
case MTK_ALG_TYPE_SKCIPHER:
|
||||
crypto_unregister_skcipher(&mtk_algs[j]->alg.skcipher);
|
||||
break;
|
||||
case MTK_ALG_TYPE_AEAD:
|
||||
crypto_unregister_aead(&mtk_algs[j]->alg.aead);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static int mtk_register_algs(struct mtk_device *mtk)
|
||||
{
|
||||
unsigned int i;
|
||||
int err = 0;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(mtk_algs); i++) {
|
||||
mtk_algs[i]->mtk = mtk;
|
||||
|
||||
switch (mtk_algs[i]->type) {
|
||||
case MTK_ALG_TYPE_SKCIPHER:
|
||||
err = crypto_register_skcipher(&mtk_algs[i]->alg.skcipher);
|
||||
break;
|
||||
case MTK_ALG_TYPE_AEAD:
|
||||
err = crypto_register_aead(&mtk_algs[i]->alg.aead);
|
||||
break;
|
||||
}
|
||||
if (err)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
mtk_unregister_algs(i);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void mtk_handle_result_descriptor(struct mtk_device *mtk)
|
||||
{
|
||||
struct crypto_async_request *async;
|
||||
struct eip93_descriptor_s *rdesc;
|
||||
bool last_entry;
|
||||
u32 flags;
|
||||
int handled, ready, err;
|
||||
union peCrtlStat_w done1;
|
||||
union peLength_w done2;
|
||||
|
||||
get_more:
|
||||
handled = 0;
|
||||
|
||||
ready = readl(mtk->base + EIP93_REG_PE_RD_COUNT) & GENMASK(10, 0);
|
||||
|
||||
if (!ready) {
|
||||
mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
|
||||
mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
|
||||
return;
|
||||
}
|
||||
|
||||
last_entry = false;
|
||||
|
||||
while (ready) {
|
||||
rdesc = mtk_get_descriptor(mtk);
|
||||
if (IS_ERR(rdesc)) {
|
||||
dev_err(mtk->dev, "Ndesc: %d nreq: %d\n",
|
||||
handled, ready);
|
||||
err = -EIO;
|
||||
break;
|
||||
}
|
||||
/* make sure DMA is finished writing */
|
||||
do {
|
||||
done1.word = READ_ONCE(rdesc->peCrtlStat.word);
|
||||
done2.word = READ_ONCE(rdesc->peLength.word);
|
||||
} while ((!done1.bits.peReady) || (!done2.bits.peReady));
|
||||
|
||||
err = rdesc->peCrtlStat.bits.errStatus;
|
||||
|
||||
flags = rdesc->userId;
|
||||
async = (struct crypto_async_request *)rdesc->arc4Addr;
|
||||
|
||||
writel(1, mtk->base + EIP93_REG_PE_RD_COUNT);
|
||||
mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
|
||||
|
||||
handled++;
|
||||
ready--;
|
||||
|
||||
if (flags & MTK_DESC_LAST) {
|
||||
last_entry = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!last_entry)
|
||||
goto get_more;
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
|
||||
if (flags & MTK_DESC_SKCIPHER)
|
||||
mtk_skcipher_handle_result(async, err);
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
|
||||
if (flags & MTK_DESC_AEAD)
|
||||
mtk_aead_handle_result(async, err);
|
||||
#endif
|
||||
goto get_more;
|
||||
}
|
||||
|
||||
static void mtk_done_task(unsigned long data)
|
||||
{
|
||||
struct mtk_device *mtk = (struct mtk_device *)data;
|
||||
|
||||
mtk_handle_result_descriptor(mtk);
|
||||
}
|
||||
|
||||
static irqreturn_t mtk_irq_handler(int irq, void *dev_id)
|
||||
{
|
||||
struct mtk_device *mtk = (struct mtk_device *)dev_id;
|
||||
u32 irq_status;
|
||||
|
||||
irq_status = readl(mtk->base + EIP93_REG_INT_MASK_STAT);
|
||||
|
||||
if (irq_status & EIP93_INT_PE_RDRTHRESH_REQ) {
|
||||
mtk_irq_disable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
|
||||
tasklet_schedule(&mtk->ring->done_task);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
mtk_irq_clear(mtk, irq_status);
|
||||
if (irq_status)
|
||||
mtk_irq_disable(mtk, irq_status);
|
||||
|
||||
return IRQ_NONE;
|
||||
}
|
||||
|
||||
static void mtk_initialize(struct mtk_device *mtk)
|
||||
{
|
||||
union peConfig_w peConfig;
|
||||
union peEndianCfg_w peEndianCfg;
|
||||
union peIntCfg_w peIntCfg;
|
||||
union peClockCfg_w peClockCfg;
|
||||
union peBufThresh_w peBufThresh;
|
||||
union peRingThresh_w peRingThresh;
|
||||
|
||||
/* Reset Engine and setup Mode */
|
||||
peConfig.word = 0;
|
||||
peConfig.bits.resetPE = 1;
|
||||
peConfig.bits.resetRing = 1;
|
||||
peConfig.bits.peMode = 3;
|
||||
peConfig.bits.enCDRupdate = 1;
|
||||
|
||||
writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
|
||||
|
||||
udelay(10);
|
||||
|
||||
peConfig.bits.resetPE = 0;
|
||||
peConfig.bits.resetRing = 0;
|
||||
|
||||
writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
|
||||
|
||||
/* Initialize the BYTE_ORDER_CFG register */
|
||||
peEndianCfg.word = 0;
|
||||
writel(peEndianCfg.word, mtk->base + EIP93_REG_PE_ENDIAN_CONFIG);
|
||||
|
||||
/* Initialize the INT_CFG register */
|
||||
peIntCfg.word = 0;
|
||||
writel(peIntCfg.word, mtk->base + EIP93_REG_INT_CFG);
|
||||
|
||||
/* Config Clocks */
|
||||
peClockCfg.word = 0;
|
||||
peClockCfg.bits.enPEclk = 1;
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
|
||||
peClockCfg.bits.enDESclk = 1;
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
|
||||
peClockCfg.bits.enAESclk = 1;
|
||||
#endif
|
||||
#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
|
||||
peClockCfg.bits.enHASHclk = 1;
|
||||
#endif
|
||||
writel(peClockCfg.word, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
|
||||
|
||||
/* Config DMA thresholds */
|
||||
peBufThresh.word = 0;
|
||||
peBufThresh.bits.inputBuffer = 128;
|
||||
peBufThresh.bits.outputBuffer = 128;
|
||||
|
||||
writel(peBufThresh.word, mtk->base + EIP93_REG_PE_BUF_THRESH);
|
||||
|
||||
/* Clear/ack all interrupts before disable all */
|
||||
mtk_irq_clear(mtk, 0xFFFFFFFF);
|
||||
mtk_irq_disable(mtk, 0xFFFFFFFF);
|
||||
|
||||
/* Config Ring Threshold */
|
||||
peRingThresh.word = 0;
|
||||
peRingThresh.bits.CDRThresh = MTK_RING_SIZE - MTK_RING_BUSY;
|
||||
peRingThresh.bits.RDRThresh = 0;
|
||||
peRingThresh.bits.RDTimeout = 5;
|
||||
peRingThresh.bits.enTimeout = 1;
|
||||
|
||||
writel(peRingThresh.word, mtk->base + EIP93_REG_PE_RING_THRESH);
|
||||
}
|
||||
|
||||
static void mtk_desc_free(struct mtk_device *mtk)
|
||||
{
|
||||
writel(0, mtk->base + EIP93_REG_PE_RING_CONFIG);
|
||||
writel(0, mtk->base + EIP93_REG_PE_CDR_BASE);
|
||||
writel(0, mtk->base + EIP93_REG_PE_RDR_BASE);
|
||||
}
|
||||
|
||||
static int mtk_set_ring(struct mtk_device *mtk, struct mtk_desc_ring *ring,
|
||||
int Offset)
|
||||
{
|
||||
ring->offset = Offset;
|
||||
ring->base = dmam_alloc_coherent(mtk->dev, Offset * MTK_RING_SIZE,
|
||||
&ring->base_dma, GFP_KERNEL);
|
||||
if (!ring->base)
|
||||
return -ENOMEM;
|
||||
|
||||
ring->write = ring->base;
|
||||
ring->base_end = ring->base + Offset * (MTK_RING_SIZE - 1);
|
||||
ring->read = ring->base;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mtk_desc_init(struct mtk_device *mtk)
|
||||
{
|
||||
struct mtk_state_pool *saState_pool;
|
||||
struct mtk_desc_ring *cdr = &mtk->ring->cdr;
|
||||
struct mtk_desc_ring *rdr = &mtk->ring->rdr;
|
||||
union peRingCfg_w peRingCfg;
|
||||
int RingOffset, err, i;
|
||||
|
||||
RingOffset = sizeof(struct eip93_descriptor_s);
|
||||
|
||||
err = mtk_set_ring(mtk, cdr, RingOffset);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = mtk_set_ring(mtk, rdr, RingOffset);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
writel((u32)cdr->base_dma, mtk->base + EIP93_REG_PE_CDR_BASE);
|
||||
writel((u32)rdr->base_dma, mtk->base + EIP93_REG_PE_RDR_BASE);
|
||||
|
||||
peRingCfg.word = 0;
|
||||
peRingCfg.bits.ringSize = MTK_RING_SIZE - 1;
|
||||
peRingCfg.bits.ringOffset = RingOffset / 4;
|
||||
|
||||
writel(peRingCfg.word, mtk->base + EIP93_REG_PE_RING_CONFIG);
|
||||
|
||||
atomic_set(&mtk->ring->free, MTK_RING_SIZE - 1);
|
||||
/* Create State record DMA pool */
|
||||
RingOffset = sizeof(struct saState_s);
|
||||
mtk->ring->saState = dmam_alloc_coherent(mtk->dev,
|
||||
RingOffset * MTK_RING_SIZE,
|
||||
&mtk->ring->saState_dma, GFP_KERNEL);
|
||||
if (!mtk->ring->saState)
|
||||
return -ENOMEM;
|
||||
|
||||
mtk->ring->saState_pool = devm_kcalloc(mtk->dev, 1,
|
||||
sizeof(struct mtk_state_pool) * MTK_RING_SIZE,
|
||||
GFP_KERNEL);
|
||||
|
||||
for (i = 0; i < MTK_RING_SIZE; i++) {
|
||||
saState_pool = &mtk->ring->saState_pool[i];
|
||||
saState_pool->base = mtk->ring->saState + (i * RingOffset);
|
||||
saState_pool->base_dma = mtk->ring->saState_dma + (i * RingOffset);
|
||||
saState_pool->in_use = false;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mtk_cleanup(struct mtk_device *mtk)
|
||||
{
|
||||
tasklet_kill(&mtk->ring->done_task);
|
||||
|
||||
/* Clear/ack all interrupts before disable all */
|
||||
mtk_irq_clear(mtk, 0xFFFFFFFF);
|
||||
mtk_irq_disable(mtk, 0xFFFFFFFF);
|
||||
|
||||
writel(0, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
|
||||
|
||||
mtk_desc_free(mtk);
|
||||
}
|
||||
|
||||
static int mtk_crypto_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct mtk_device *mtk;
|
||||
struct resource *res;
|
||||
int err;
|
||||
|
||||
mtk = devm_kzalloc(dev, sizeof(*mtk), GFP_KERNEL);
|
||||
if (!mtk)
|
||||
return -ENOMEM;
|
||||
|
||||
mtk->dev = dev;
|
||||
platform_set_drvdata(pdev, mtk);
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
mtk->base = devm_ioremap_resource(&pdev->dev, res);
|
||||
|
||||
if (IS_ERR(mtk->base))
|
||||
return PTR_ERR(mtk->base);
|
||||
|
||||
mtk->irq = platform_get_irq(pdev, 0);
|
||||
|
||||
if (mtk->irq < 0)
|
||||
return mtk->irq;
|
||||
|
||||
err = devm_request_threaded_irq(mtk->dev, mtk->irq, mtk_irq_handler,
|
||||
NULL, IRQF_ONESHOT,
|
||||
dev_name(mtk->dev), mtk);
|
||||
|
||||
mtk->ring = devm_kcalloc(mtk->dev, 1, sizeof(*mtk->ring), GFP_KERNEL);
|
||||
|
||||
if (!mtk->ring)
|
||||
return -ENOMEM;
|
||||
|
||||
err = mtk_desc_init(mtk);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
tasklet_init(&mtk->ring->done_task, mtk_done_task, (unsigned long)mtk);
|
||||
|
||||
spin_lock_init(&mtk->ring->read_lock);
|
||||
spin_lock_init(&mtk->ring->write_lock);
|
||||
|
||||
mtk_initialize(mtk);
|
||||
|
||||
/* Init. finished, enable RDR interupt */
|
||||
mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
|
||||
|
||||
err = mtk_register_algs(mtk);
|
||||
if (err) {
|
||||
mtk_cleanup(mtk);
|
||||
return err;
|
||||
}
|
||||
|
||||
dev_info(mtk->dev, "EIP93 Crypto Engine Initialized.");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mtk_crypto_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct mtk_device *mtk = platform_get_drvdata(pdev);
|
||||
|
||||
mtk_unregister_algs(ARRAY_SIZE(mtk_algs));
|
||||
mtk_cleanup(mtk);
|
||||
dev_info(mtk->dev, "EIP93 removed.\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_OF)
|
||||
static const struct of_device_id mtk_crypto_of_match[] = {
|
||||
{ .compatible = "mediatek,mtk-eip93", },
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, mtk_crypto_of_match);
|
||||
#endif
|
||||
|
||||
static struct platform_driver mtk_crypto_driver = {
|
||||
.probe = mtk_crypto_probe,
|
||||
.remove = mtk_crypto_remove,
|
||||
.driver = {
|
||||
.name = "mtk-eip93",
|
||||
.of_match_table = of_match_ptr(mtk_crypto_of_match),
|
||||
},
|
||||
};
|
||||
module_platform_driver(mtk_crypto_driver);
|
||||
|
||||
MODULE_AUTHOR("Richard van Schagen <vschagen@cs.com>");
|
||||
MODULE_ALIAS("platform:" KBUILD_MODNAME);
|
||||
MODULE_DESCRIPTION("Mediatek EIP-93 crypto engine driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
146
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-main.h
Normal file
146
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-main.h
Normal file
@ -0,0 +1,146 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0
|
||||
*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef _EIP93_MAIN_H_
|
||||
#define _EIP93_MAIN_H_
|
||||
|
||||
#include <crypto/internal/aead.h>
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/internal/rng.h>
|
||||
#include <crypto/internal/skcipher.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/interrupt.h>
|
||||
|
||||
#define MTK_RING_SIZE 512
|
||||
#define MTK_RING_BUSY 32
|
||||
#define MTK_CRA_PRIORITY 1500
|
||||
|
||||
/* cipher algorithms */
|
||||
#define MTK_ALG_DES BIT(0)
|
||||
#define MTK_ALG_3DES BIT(1)
|
||||
#define MTK_ALG_AES BIT(2)
|
||||
#define MTK_ALG_MASK GENMASK(2, 0)
|
||||
/* hash and hmac algorithms */
|
||||
#define MTK_HASH_MD5 BIT(3)
|
||||
#define MTK_HASH_SHA1 BIT(4)
|
||||
#define MTK_HASH_SHA224 BIT(5)
|
||||
#define MTK_HASH_SHA256 BIT(6)
|
||||
#define MTK_HASH_HMAC BIT(7)
|
||||
#define MTK_HASH_MASK GENMASK(6, 3)
|
||||
/* cipher modes */
|
||||
#define MTK_MODE_CBC BIT(8)
|
||||
#define MTK_MODE_ECB BIT(9)
|
||||
#define MTK_MODE_CTR BIT(10)
|
||||
#define MTK_MODE_RFC3686 BIT(11)
|
||||
#define MTK_MODE_MASK GENMASK(10, 8)
|
||||
|
||||
/* cipher encryption/decryption operations */
|
||||
#define MTK_ENCRYPT BIT(12)
|
||||
#define MTK_DECRYPT BIT(13)
|
||||
|
||||
#define MTK_BUSY BIT(14)
|
||||
|
||||
/* descriptor flags */
|
||||
#define MTK_DESC_ASYNC BIT(31)
|
||||
#define MTK_DESC_SKCIPHER BIT(30)
|
||||
#define MTK_DESC_AEAD BIT(29)
|
||||
#define MTK_DESC_AHASH BIT(28)
|
||||
#define MTK_DESC_PRNG BIT(27)
|
||||
#define MTK_DESC_FAKE_HMAC BIT(26)
|
||||
#define MTK_DESC_LAST BIT(25)
|
||||
#define MTK_DESC_FINISH BIT(24)
|
||||
#define MTK_DESC_IPSEC BIT(23)
|
||||
#define MTK_DESC_DMA_IV BIT(22)
|
||||
|
||||
#define IS_DES(flags) (flags & MTK_ALG_DES)
|
||||
#define IS_3DES(flags) (flags & MTK_ALG_3DES)
|
||||
#define IS_AES(flags) (flags & MTK_ALG_AES)
|
||||
|
||||
#define IS_HASH_MD5(flags) (flags & MTK_HASH_MD5)
|
||||
#define IS_HASH_SHA1(flags) (flags & MTK_HASH_SHA1)
|
||||
#define IS_HASH_SHA224(flags) (flags & MTK_HASH_SHA224)
|
||||
#define IS_HASH_SHA256(flags) (flags & MTK_HASH_SHA256)
|
||||
#define IS_HMAC(flags) (flags & MTK_HASH_HMAC)
|
||||
|
||||
#define IS_CBC(mode) (mode & MTK_MODE_CBC)
|
||||
#define IS_ECB(mode) (mode & MTK_MODE_ECB)
|
||||
#define IS_CTR(mode) (mode & MTK_MODE_CTR)
|
||||
#define IS_RFC3686(mode) (mode & MTK_MODE_RFC3686)
|
||||
|
||||
#define IS_BUSY(flags) (flags & MTK_BUSY)
|
||||
#define IS_DMA_IV(flags) (flags & MTK_DESC_DMA_IV)
|
||||
|
||||
#define IS_ENCRYPT(dir) (dir & MTK_ENCRYPT)
|
||||
#define IS_DECRYPT(dir) (dir & MTK_DECRYPT)
|
||||
|
||||
#define IS_CIPHER(flags) (flags & (MTK_ALG_DES || \
|
||||
MTK_ALG_3DES || \
|
||||
MTK_ALG_AES))
|
||||
|
||||
#define IS_HASH(flags) (flags & (MTK_HASH_MD5 || \
|
||||
MTK_HASH_SHA1 || \
|
||||
MTK_HASH_SHA224 || \
|
||||
MTK_HASH_SHA256))
|
||||
|
||||
/**
|
||||
* struct mtk_device - crypto engine device structure
|
||||
*/
|
||||
struct mtk_device {
|
||||
void __iomem *base;
|
||||
struct device *dev;
|
||||
struct clk *clk;
|
||||
int irq;
|
||||
struct mtk_ring *ring;
|
||||
struct mtk_state_pool *saState_pool;
|
||||
};
|
||||
|
||||
struct mtk_desc_ring {
|
||||
void *base;
|
||||
void *base_end;
|
||||
dma_addr_t base_dma;
|
||||
/* write and read pointers */
|
||||
void *read;
|
||||
void *write;
|
||||
/* descriptor element offset */
|
||||
u32 offset;
|
||||
};
|
||||
|
||||
struct mtk_state_pool {
|
||||
void *base;
|
||||
dma_addr_t base_dma;
|
||||
bool in_use;
|
||||
};
|
||||
|
||||
struct mtk_ring {
|
||||
struct tasklet_struct done_task;
|
||||
/* command/result rings */
|
||||
struct mtk_desc_ring cdr;
|
||||
struct mtk_desc_ring rdr;
|
||||
spinlock_t write_lock;
|
||||
spinlock_t read_lock;
|
||||
atomic_t free;
|
||||
/* saState */
|
||||
struct mtk_state_pool *saState_pool;
|
||||
void *saState;
|
||||
dma_addr_t saState_dma;
|
||||
};
|
||||
|
||||
enum mtk_alg_type {
|
||||
MTK_ALG_TYPE_AEAD,
|
||||
MTK_ALG_TYPE_SKCIPHER,
|
||||
};
|
||||
|
||||
struct mtk_alg_template {
|
||||
struct mtk_device *mtk;
|
||||
enum mtk_alg_type type;
|
||||
u32 flags;
|
||||
union {
|
||||
struct aead_alg aead;
|
||||
struct skcipher_alg skcipher;
|
||||
} alg;
|
||||
};
|
||||
|
||||
#endif /* _EIP93_MAIN_H_ */
|
||||
382
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-regs.h
Normal file
382
target/linux/ramips/files/drivers/crypto/mtk-eip93/eip93-regs.h
Normal file
@ -0,0 +1,382 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* Copyright (C) 2019 - 2021
|
||||
*
|
||||
* Richard van Schagen <vschagen@icloud.com>
|
||||
*/
|
||||
#ifndef REG_EIP93_H
|
||||
#define REG_EIP93_H
|
||||
|
||||
#define EIP93_REG_WIDTH 4
|
||||
/*-----------------------------------------------------------------------------
|
||||
* Register Map
|
||||
*/
|
||||
#define DESP_BASE 0x0000000
|
||||
#define EIP93_REG_PE_CTRL_STAT ((DESP_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_SOURCE_ADDR ((DESP_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_DEST_ADDR ((DESP_BASE)+(0x02 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_SA_ADDR ((DESP_BASE)+(0x03 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_ADDR ((DESP_BASE)+(0x04 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_USER_ID ((DESP_BASE)+(0x06 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_LENGTH ((DESP_BASE)+(0x07 * EIP93_REG_WIDTH))
|
||||
|
||||
//PACKET ENGINE RING configuration registers
|
||||
#define PE_RNG_BASE 0x0000080
|
||||
|
||||
#define EIP93_REG_PE_CDR_BASE ((PE_RNG_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_RDR_BASE ((PE_RNG_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_RING_CONFIG ((PE_RNG_BASE)+(0x02 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_RING_THRESH ((PE_RNG_BASE)+(0x03 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_CD_COUNT ((PE_RNG_BASE)+(0x04 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_RD_COUNT ((PE_RNG_BASE)+(0x05 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_RING_RW_PNTR ((PE_RNG_BASE)+(0x06 * EIP93_REG_WIDTH))
|
||||
|
||||
//PACKET ENGINE configuration registers
|
||||
#define PE_CFG_BASE 0x0000100
|
||||
#define EIP93_REG_PE_CONFIG ((PE_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_STATUS ((PE_CFG_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_BUF_THRESH ((PE_CFG_BASE)+(0x03 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_INBUF_COUNT ((PE_CFG_BASE)+(0x04 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_OUTBUF_COUNT ((PE_CFG_BASE)+(0x05 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_BUF_RW_PNTR ((PE_CFG_BASE)+(0x06 * EIP93_REG_WIDTH))
|
||||
|
||||
//PACKET ENGINE endian config
|
||||
#define EN_CFG_BASE 0x00001CC
|
||||
#define EIP93_REG_PE_ENDIAN_CONFIG ((EN_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
|
||||
//EIP93 CLOCK control registers
|
||||
#define CLOCK_BASE 0x01E8
|
||||
#define EIP93_REG_PE_CLOCK_CTRL ((CLOCK_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
|
||||
//EIP93 Device Option and Revision Register
|
||||
#define REV_BASE 0x01F4
|
||||
#define EIP93_REG_PE_OPTION_1 ((REV_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_OPTION_0 ((REV_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PE_REVISION ((REV_BASE)+(0x02 * EIP93_REG_WIDTH))
|
||||
|
||||
//EIP93 Interrupt Control Register
|
||||
#define INT_BASE 0x0200
|
||||
#define EIP93_REG_INT_UNMASK_STAT ((INT_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_INT_MASK_STAT ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_INT_CLR ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_INT_MASK ((INT_BASE)+(0x02 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_INT_CFG ((INT_BASE)+(0x03 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_MASK_ENABLE ((INT_BASE)+(0X04 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_MASK_DISABLE ((INT_BASE)+(0X05 * EIP93_REG_WIDTH))
|
||||
|
||||
//EIP93 SA Record register
|
||||
#define SA_BASE 0x0400
|
||||
#define EIP93_REG_SA_CMD_0 ((SA_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_SA_CMD_1 ((SA_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
|
||||
//#define EIP93_REG_SA_READY ((SA_BASE)+(31 * EIP93_REG_WIDTH))
|
||||
|
||||
//State save register
|
||||
#define STATE_BASE 0x0500
|
||||
#define EIP93_REG_STATE_IV_0 ((STATE_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_STATE_IV_1 ((STATE_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
|
||||
#define EIP93_PE_ARC4STATE_BASEADDR_REG 0x0700
|
||||
|
||||
//RAM buffer start address
|
||||
#define EIP93_INPUT_BUFFER 0x0800
|
||||
#define EIP93_OUTPUT_BUFFER 0x0800
|
||||
|
||||
//EIP93 PRNG Configuration Register
|
||||
#define PRNG_BASE 0x0300
|
||||
#define EIP93_REG_PRNG_STAT ((PRNG_BASE)+(0x00 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_CTRL ((PRNG_BASE)+(0x01 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_SEED_0 ((PRNG_BASE)+(0x02 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_SEED_1 ((PRNG_BASE)+(0x03 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_SEED_2 ((PRNG_BASE)+(0x04 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_SEED_3 ((PRNG_BASE)+(0x05 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_KEY_0 ((PRNG_BASE)+(0x06 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_KEY_1 ((PRNG_BASE)+(0x07 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_KEY_2 ((PRNG_BASE)+(0x08 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_KEY_3 ((PRNG_BASE)+(0x09 * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_RES_0 ((PRNG_BASE)+(0x0A * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_RES_1 ((PRNG_BASE)+(0x0B * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_RES_2 ((PRNG_BASE)+(0x0C * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_RES_3 ((PRNG_BASE)+(0x0D * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_LFSR_0 ((PRNG_BASE)+(0x0E * EIP93_REG_WIDTH))
|
||||
#define EIP93_REG_PRNG_LFSR_1 ((PRNG_BASE)+(0x0F * EIP93_REG_WIDTH))
|
||||
|
||||
/*-----------------------------------------------------------------------------
|
||||
* Constants & masks
|
||||
*/
|
||||
|
||||
#define EIP93_SUPPORTED_INTERRUPTS_MASK 0xffff7f00
|
||||
#define EIP93_PRNG_DT_TEXT_LOWERHALF 0xDEAD
|
||||
#define EIP93_PRNG_DT_TEXT_UPPERHALF 0xC0DE
|
||||
#define EIP93_10BITS_MASK 0X3FF
|
||||
#define EIP93_12BITS_MASK 0XFFF
|
||||
#define EIP93_4BITS_MASK 0X04
|
||||
#define EIP93_20BITS_MASK 0xFFFFF
|
||||
|
||||
#define EIP93_MIN_DESC_DONE_COUNT 0
|
||||
#define EIP93_MAX_DESC_DONE_COUNT 15
|
||||
|
||||
#define EIP93_MIN_DESC_PENDING_COUNT 0
|
||||
#define EIP93_MAX_DESC_PENDING_COUNT 1023
|
||||
|
||||
#define EIP93_MIN_TIMEOUT_COUNT 0
|
||||
#define EIP93_MAX_TIMEOUT_COUNT 15
|
||||
|
||||
#define EIP93_MIN_PE_INPUT_THRESHOLD 1
|
||||
#define EIP93_MAX_PE_INPUT_THRESHOLD 511
|
||||
|
||||
#define EIP93_MIN_PE_OUTPUT_THRESHOLD 1
|
||||
#define EIP93_MAX_PE_OUTPUT_THRESHOLD 432
|
||||
|
||||
#define EIP93_MIN_PE_RING_SIZE 1
|
||||
#define EIP93_MAX_PE_RING_SIZE 1023
|
||||
|
||||
#define EIP93_MIN_PE_DESCRIPTOR_SIZE 7
|
||||
#define EIP93_MAX_PE_DESCRIPTOR_SIZE 15
|
||||
|
||||
//3DES keys,seed,known data and its result
|
||||
#define EIP93_KEY_0 0x133b3454
|
||||
#define EIP93_KEY_1 0x5e5b890b
|
||||
#define EIP93_KEY_2 0x5eb30757
|
||||
#define EIP93_KEY_3 0x93ab15f7
|
||||
#define EIP93_SEED_0 0x62c4bf5e
|
||||
#define EIP93_SEED_1 0x972667c8
|
||||
#define EIP93_SEED_2 0x6345bf67
|
||||
#define EIP93_SEED_3 0xcb3482bf
|
||||
#define EIP93_LFSR_0 0xDEADC0DE
|
||||
#define EIP93_LFSR_1 0xBEEFF00D
|
||||
|
||||
/*-----------------------------------------------------------------------------
|
||||
* EIP93 device initialization specifics
|
||||
*/
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Byte Order Reversal Mechanisms Supported in EIP93
|
||||
* EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
|
||||
* EIP93_BO_REVERSE_WORD : reverse the byte order within a word
|
||||
* EIP93_BO_REVERSE_DUAL_WORD : reverse the byte order within a dual-word
|
||||
* EIP93_BO_REVERSE_QUAD_WORD : reverse the byte order within a quad-word
|
||||
*/
|
||||
enum EIP93_Byte_Order_Value_t {
|
||||
EIP93_BO_REVERSE_HALF_WORD = 1,
|
||||
EIP93_BO_REVERSE_WORD = 2,
|
||||
EIP93_BO_REVERSE_DUAL_WORD = 4,
|
||||
EIP93_BO_REVERSE_QUAD_WORD = 8,
|
||||
};
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Byte Order Reversal Mechanisms Supported in EIP93 for Target Data
|
||||
* EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
|
||||
* EIP93_BO_REVERSE_WORD : reverse the byte order within a word
|
||||
*/
|
||||
enum EIP93_Byte_Order_Value_TD_t {
|
||||
EIP93_BO_REVERSE_HALF_WORD_TD = 1,
|
||||
EIP93_BO_REVERSE_WORD_TD = 2,
|
||||
};
|
||||
|
||||
// BYTE_ORDER_CFG register values
|
||||
#define EIP93_BYTE_ORDER_PD EIP93_BO_REVERSE_WORD
|
||||
#define EIP93_BYTE_ORDER_SA EIP93_BO_REVERSE_WORD
|
||||
#define EIP93_BYTE_ORDER_DATA EIP93_BO_REVERSE_WORD
|
||||
#define EIP93_BYTE_ORDER_TD EIP93_BO_REVERSE_WORD_TD
|
||||
|
||||
// INT_CFG register values
|
||||
#define EIP93_INT_HOST_OUTPUT_TYPE 0
|
||||
#define EIP93_INT_PULSE_CLEAR 0
|
||||
|
||||
/*
|
||||
* Interrupts of EIP93
|
||||
*/
|
||||
|
||||
enum EIP93_InterruptSource_t {
|
||||
EIP93_INT_PE_CDRTHRESH_REQ = BIT(0),
|
||||
EIP93_INT_PE_RDRTHRESH_REQ = BIT(1),
|
||||
EIP93_INT_PE_OPERATION_DONE = BIT(9),
|
||||
EIP93_INT_PE_INBUFTHRESH_REQ = BIT(10),
|
||||
EIP93_INT_PE_OUTBURTHRSH_REQ = BIT(11),
|
||||
EIP93_INT_PE_PRNG_IRQ = BIT(12),
|
||||
EIP93_INT_PE_ERR_REG = BIT(13),
|
||||
EIP93_INT_PE_RD_DONE_IRQ = BIT(16),
|
||||
};
|
||||
|
||||
union peConfig_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 resetPE :1;
|
||||
u32 resetRing :1;
|
||||
u32 reserved :6;
|
||||
u32 peMode :2;
|
||||
u32 enCDRupdate :1;
|
||||
u32 reserved2 :5;
|
||||
u32 swapCDRD :1;
|
||||
u32 swapSA :1;
|
||||
u32 swapData :1;
|
||||
u32 reserved3 :13;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peEndianCfg_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 masterByteSwap :8;
|
||||
u32 reserved :8;
|
||||
u32 targetByteSwap :8;
|
||||
u32 reserved2 :8;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peIntCfg_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 PulseClear :1;
|
||||
u32 IntType :1;
|
||||
u32 reserved :30;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peClockCfg_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 enPEclk :1;
|
||||
u32 enDESclk :1;
|
||||
u32 enAESclk :1;
|
||||
u32 reserved :1;
|
||||
u32 enHASHclk :1;
|
||||
u32 reserved2 :27;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peBufThresh_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 inputBuffer :8;
|
||||
u32 reserved :8;
|
||||
u32 outputBuffer :8;
|
||||
u32 reserved2 :8;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peRingThresh_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 CDRThresh :10;
|
||||
u32 reserved :6;
|
||||
u32 RDRThresh :10;
|
||||
u32 RDTimeout :4;
|
||||
u32 reserved2 :1;
|
||||
u32 enTimeout :1;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peRingCfg_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 ringSize :10;
|
||||
u32 reserved :6;
|
||||
u32 ringOffset :8;
|
||||
u32 reserved2 :8;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union saCmd0 {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 opCode :3;
|
||||
u32 direction :1;
|
||||
u32 opGroup :2;
|
||||
u32 padType :2;
|
||||
u32 cipher :4;
|
||||
u32 hash :4;
|
||||
u32 reserved2 :1;
|
||||
u32 scPad :1;
|
||||
u32 extPad :1;
|
||||
u32 hdrProc :1;
|
||||
u32 digestLength :4;
|
||||
u32 ivSource :2;
|
||||
u32 hashSource :2;
|
||||
u32 saveIv :1;
|
||||
u32 saveHash :1;
|
||||
u32 reserved1 :2;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union saCmd1 {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 copyDigest :1;
|
||||
u32 copyHeader :1;
|
||||
u32 copyPayload :1;
|
||||
u32 copyPad :1;
|
||||
u32 reserved4 :4;
|
||||
u32 cipherMode :2;
|
||||
u32 reserved3 :1;
|
||||
u32 sslMac :1;
|
||||
u32 hmac :1;
|
||||
u32 byteOffset :1;
|
||||
u32 reserved2 :2;
|
||||
u32 hashCryptOffset :8;
|
||||
u32 aesKeyLen :3;
|
||||
u32 reserved1 :1;
|
||||
u32 aesDecKey :1;
|
||||
u32 seqNumCheck :1;
|
||||
u32 reserved0 :2;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
struct saRecord_s {
|
||||
union saCmd0 saCmd0;
|
||||
union saCmd1 saCmd1;
|
||||
u32 saKey[8];
|
||||
u32 saIDigest[8];
|
||||
u32 saODigest[8];
|
||||
u32 saSpi;
|
||||
u32 saSeqNum[2];
|
||||
u32 saSeqNumMask[2];
|
||||
u32 saNonce;
|
||||
} __packed;
|
||||
|
||||
struct saState_s {
|
||||
u32 stateIv[4];
|
||||
u32 stateByteCnt[2];
|
||||
u32 stateIDigest[8];
|
||||
} __packed;
|
||||
|
||||
union peCrtlStat_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 hostReady :1;
|
||||
u32 peReady :1;
|
||||
u32 reserved :1;
|
||||
u32 initArc4 :1;
|
||||
u32 hashFinal :1;
|
||||
u32 haltMode :1;
|
||||
u32 prngMode :2;
|
||||
u32 padValue :8;
|
||||
u32 errStatus :8;
|
||||
u32 padCrtlStat :8;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
union peLength_w {
|
||||
u32 word;
|
||||
struct {
|
||||
u32 length :20;
|
||||
u32 reserved :2;
|
||||
u32 hostReady :1;
|
||||
u32 peReady :1;
|
||||
u32 byPass :8;
|
||||
} bits;
|
||||
} __packed;
|
||||
|
||||
struct eip93_descriptor_s {
|
||||
union peCrtlStat_w peCrtlStat;
|
||||
u32 srcAddr;
|
||||
u32 dstAddr;
|
||||
u32 saAddr;
|
||||
u32 stateAddr;
|
||||
u32 arc4Addr;
|
||||
u32 userId;
|
||||
union peLength_w peLength;
|
||||
} __packed;
|
||||
|
||||
#endif
|
||||
@ -133,3 +133,31 @@ define KernelPackage/sound-mt7620/description
|
||||
endef
|
||||
|
||||
$(eval $(call KernelPackage,sound-mt7620))
|
||||
|
||||
define KernelPackage/crypto-hw-eip93
|
||||
SECTION:=kernel
|
||||
CATEGORY:=Kernel modules
|
||||
SUBMENU:=Cryptographic API modules
|
||||
TITLE:=MediaTek EIP93 crypto module
|
||||
DEPENDS:= \
|
||||
@TARGET_ramips_mt7621 \
|
||||
+kmod-crypto-aead \
|
||||
+kmod-crypto-authenc \
|
||||
+kmod-crypto-des \
|
||||
+kmod-crypto-md5 \
|
||||
+kmod-crypto-sha1 \
|
||||
+kmod-crypto-sha256
|
||||
KCONFIG:= \
|
||||
CONFIG_CRYPTO_DEV_EIP93 \
|
||||
CONFIG_CRYPTO_DEV_EIP93_AES=y \
|
||||
CONFIG_CRYPTO_DEV_EIP93_DES=y \
|
||||
CONFIG_CRYPTO_DEV_EIP93_AEAD=y
|
||||
FILES:=$(LINUX_DIR)/drivers/crypto/mtk-eip93/crypto-hw-eip93.ko
|
||||
AUTOLOAD:=$(call AutoProbe,crypto-hw-eip93)
|
||||
endef
|
||||
|
||||
define KernelPackage/crypto-hw-eip93/description
|
||||
Kernel module to enable EIP-93 Crypto engine as found in the Mediatek MT7621 SoC.
|
||||
endef
|
||||
|
||||
$(eval $(call KernelPackage,crypto-hw-eip93))
|
||||
|
||||
20
target/linux/ramips/patches-5.10/999-add-eip93-crypto.patch
Normal file
20
target/linux/ramips/patches-5.10/999-add-eip93-crypto.patch
Normal file
@ -0,0 +1,20 @@
|
||||
--- a/drivers/crypto/Kconfig
|
||||
+++ b/drivers/crypto/Kconfig
|
||||
@@ -13,6 +13,8 @@ if CRYPTO_HW
|
||||
|
||||
source "drivers/crypto/allwinner/Kconfig"
|
||||
|
||||
+source "drivers/crypto/mtk-eip93/Kconfig"
|
||||
+
|
||||
config CRYPTO_DEV_PADLOCK
|
||||
tristate "Support for VIA PadLock ACE"
|
||||
depends on X86 && !UML
|
||||
--- a/drivers/crypto/Makefile
|
||||
+++ b/drivers/crypto/Makefile
|
||||
@@ -1,5 +1,6 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
obj-$(CONFIG_CRYPTO_DEV_ALLWINNER) += allwinner/
|
||||
+obj-$(CONFIG_CRYPTO_DEV_EIP93) += mtk-eip93/
|
||||
obj-$(CONFIG_CRYPTO_DEV_ATMEL_AES) += atmel-aes.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_ATMEL_SHA) += atmel-sha.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_ATMEL_TDES) += atmel-tdes.o
|
||||
Loading…
Reference in New Issue
Block a user