From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/crypto/omap-des.c | 295 ++++++++++++++++++++++++++++-------------------------------
1 files changed, 140 insertions(+), 155 deletions(-)
diff --git a/kernel/drivers/crypto/omap-des.c b/kernel/drivers/crypto/omap-des.c
index eb95b0d..7fdf38e 100644
--- a/kernel/drivers/crypto/omap-des.c
+++ b/kernel/drivers/crypto/omap-des.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Support for OMAP DES and Triple DES HW acceleration.
*
* Copyright (c) 2013 Texas Instruments Incorporated
* Author: Joel Fernandes <joelf@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
@@ -37,7 +33,8 @@
#include <linux/crypto.h>
#include <linux/interrupt.h>
#include <crypto/scatterwalk.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
+#include <crypto/internal/skcipher.h>
#include <crypto/algapi.h>
#include <crypto/engine.h>
@@ -90,7 +87,7 @@
struct omap_des_dev *dd;
int keylen;
- u32 key[(3 * DES_KEY_SIZE) / sizeof(u32)];
+ __le32 key[(3 * DES_KEY_SIZE) / sizeof(u32)];
unsigned long flags;
};
@@ -102,7 +99,7 @@
#define OMAP_DES_CACHE_SIZE 0
struct omap_des_algs_info {
- struct crypto_alg *algs_list;
+ struct skcipher_alg *algs_list;
unsigned int size;
unsigned int registered;
};
@@ -143,7 +140,7 @@
struct tasklet_struct done_task;
- struct ablkcipher_request *req;
+ struct skcipher_request *req;
struct crypto_engine *engine;
/*
* total is used by PIO mode for book keeping so introduce
@@ -265,8 +262,8 @@
__le32_to_cpu(dd->ctx->key[i]));
}
- if ((dd->flags & FLAGS_CBC) && dd->req->info)
- omap_des_write_n(dd, DES_REG_IV(dd, 0), dd->req->info, 2);
+ if ((dd->flags & FLAGS_CBC) && dd->req->iv)
+ omap_des_write_n(dd, DES_REG_IV(dd, 0), (void *)dd->req->iv, 2);
if (dd->flags & FLAGS_CBC)
val |= DES_REG_CTRL_CBC;
@@ -460,11 +457,11 @@
static int omap_des_crypt_dma_start(struct omap_des_dev *dd)
{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(
- crypto_ablkcipher_reqtfm(dd->req));
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(
+ crypto_skcipher_reqtfm(dd->req));
int err;
- pr_debug("total: %d\n", dd->total);
+ pr_debug("total: %zd\n", dd->total);
if (!dd->pio_only) {
err = dma_map_sg(dd->dev, dd->in_sg, dd->in_sg_len,
@@ -495,11 +492,11 @@
static void omap_des_finish_req(struct omap_des_dev *dd, int err)
{
- struct ablkcipher_request *req = dd->req;
+ struct skcipher_request *req = dd->req;
pr_debug("err: %d\n", err);
- crypto_finalize_ablkcipher_request(dd->engine, req, err);
+ crypto_finalize_skcipher_request(dd->engine, req, err);
pm_runtime_mark_last_busy(dd->dev);
pm_runtime_put_autosuspend(dd->dev);
@@ -507,7 +504,7 @@
static int omap_des_crypt_dma_stop(struct omap_des_dev *dd)
{
- pr_debug("total: %d\n", dd->total);
+ pr_debug("total: %zd\n", dd->total);
omap_des_dma_stop(dd);
@@ -518,10 +515,10 @@
}
static int omap_des_handle_queue(struct omap_des_dev *dd,
- struct ablkcipher_request *req)
+ struct skcipher_request *req)
{
if (req)
- return crypto_transfer_ablkcipher_request_to_engine(dd->engine, req);
+ return crypto_transfer_skcipher_request_to_engine(dd->engine, req);
return 0;
}
@@ -529,9 +526,9 @@
static int omap_des_prepare_req(struct crypto_engine *engine,
void *areq)
{
- struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
- struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
- crypto_ablkcipher_reqtfm(req));
+ struct skcipher_request *req = container_of(areq, struct skcipher_request, base);
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(
+ crypto_skcipher_reqtfm(req));
struct omap_des_dev *dd = omap_des_find_dev(ctx);
struct omap_des_reqctx *rctx;
int ret;
@@ -542,8 +539,8 @@
/* assign new request to device */
dd->req = req;
- dd->total = req->nbytes;
- dd->total_save = req->nbytes;
+ dd->total = req->cryptlen;
+ dd->total_save = req->cryptlen;
dd->in_sg = req->src;
dd->out_sg = req->dst;
dd->orig_out = req->dst;
@@ -572,8 +569,8 @@
if (dd->out_sg_len < 0)
return dd->out_sg_len;
- rctx = ablkcipher_request_ctx(req);
- ctx = crypto_ablkcipher_ctx(crypto_ablkcipher_reqtfm(req));
+ rctx = skcipher_request_ctx(req);
+ ctx = crypto_skcipher_ctx(crypto_skcipher_reqtfm(req));
rctx->mode &= FLAGS_MODE_MASK;
dd->flags = (dd->flags & ~FLAGS_MODE_MASK) | rctx->mode;
@@ -586,9 +583,9 @@
static int omap_des_crypt_req(struct crypto_engine *engine,
void *areq)
{
- struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
- struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
- crypto_ablkcipher_reqtfm(req));
+ struct skcipher_request *req = container_of(areq, struct skcipher_request, base);
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(
+ crypto_skcipher_reqtfm(req));
struct omap_des_dev *dd = omap_des_find_dev(ctx);
if (!dd)
@@ -600,6 +597,7 @@
static void omap_des_done_task(unsigned long data)
{
struct omap_des_dev *dd = (struct omap_des_dev *)data;
+ int i;
pr_debug("enter done_task\n");
@@ -618,26 +616,32 @@
omap_crypto_cleanup(&dd->out_sgl, dd->orig_out, 0, dd->total_save,
FLAGS_OUT_DATA_ST_SHIFT, dd->flags);
+ if ((dd->flags & FLAGS_CBC) && dd->req->iv)
+ for (i = 0; i < 2; i++)
+ ((u32 *)dd->req->iv)[i] =
+ omap_des_read(dd, DES_REG_IV(dd, i));
+
omap_des_finish_req(dd, 0);
pr_debug("exit\n");
}
-static int omap_des_crypt(struct ablkcipher_request *req, unsigned long mode)
+static int omap_des_crypt(struct skcipher_request *req, unsigned long mode)
{
- struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
- crypto_ablkcipher_reqtfm(req));
- struct omap_des_reqctx *rctx = ablkcipher_request_ctx(req);
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(
+ crypto_skcipher_reqtfm(req));
+ struct omap_des_reqctx *rctx = skcipher_request_ctx(req);
struct omap_des_dev *dd;
- pr_debug("nbytes: %d, enc: %d, cbc: %d\n", req->nbytes,
+ pr_debug("nbytes: %d, enc: %d, cbc: %d\n", req->cryptlen,
!!(mode & FLAGS_ENCRYPT),
!!(mode & FLAGS_CBC));
- if (!IS_ALIGNED(req->nbytes, DES_BLOCK_SIZE)) {
- pr_err("request size is not exact amount of DES blocks\n");
+ if (!req->cryptlen)
+ return 0;
+
+ if (!IS_ALIGNED(req->cryptlen, DES_BLOCK_SIZE))
return -EINVAL;
- }
dd = omap_des_find_dev(ctx);
if (!dd)
@@ -650,27 +654,17 @@
/* ********************** ALG API ************************************ */
-static int omap_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+static int omap_des_setkey(struct crypto_skcipher *cipher, const u8 *key,
unsigned int keylen)
{
- struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(cipher);
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
-
- if (keylen != DES_KEY_SIZE && keylen != (3*DES_KEY_SIZE))
- return -EINVAL;
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(cipher);
+ int err;
pr_debug("enter, keylen: %d\n", keylen);
- /* Do we need to test against weak key? */
- if (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY) {
- u32 tmp[DES_EXPKEY_WORDS];
- int ret = des_ekey(tmp, key);
-
- if (!ret) {
- tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
- return -EINVAL;
- }
- }
+ err = verify_skcipher_des_key(cipher, key);
+ if (err)
+ return err;
memcpy(ctx->key, key, keylen);
ctx->keylen = keylen;
@@ -678,22 +672,40 @@
return 0;
}
-static int omap_des_ecb_encrypt(struct ablkcipher_request *req)
+static int omap_des3_setkey(struct crypto_skcipher *cipher, const u8 *key,
+ unsigned int keylen)
+{
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(cipher);
+ int err;
+
+ pr_debug("enter, keylen: %d\n", keylen);
+
+ err = verify_skcipher_des3_key(cipher, key);
+ if (err)
+ return err;
+
+ memcpy(ctx->key, key, keylen);
+ ctx->keylen = keylen;
+
+ return 0;
+}
+
+static int omap_des_ecb_encrypt(struct skcipher_request *req)
{
return omap_des_crypt(req, FLAGS_ENCRYPT);
}
-static int omap_des_ecb_decrypt(struct ablkcipher_request *req)
+static int omap_des_ecb_decrypt(struct skcipher_request *req)
{
return omap_des_crypt(req, 0);
}
-static int omap_des_cbc_encrypt(struct ablkcipher_request *req)
+static int omap_des_cbc_encrypt(struct skcipher_request *req)
{
return omap_des_crypt(req, FLAGS_ENCRYPT | FLAGS_CBC);
}
-static int omap_des_cbc_decrypt(struct ablkcipher_request *req)
+static int omap_des_cbc_decrypt(struct skcipher_request *req)
{
return omap_des_crypt(req, FLAGS_CBC);
}
@@ -703,13 +715,13 @@
static int omap_des_crypt_req(struct crypto_engine *engine,
void *areq);
-static int omap_des_cra_init(struct crypto_tfm *tfm)
+static int omap_des_init_tfm(struct crypto_skcipher *tfm)
{
- struct omap_des_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct omap_des_ctx *ctx = crypto_skcipher_ctx(tfm);
pr_debug("enter\n");
- tfm->crt_ablkcipher.reqsize = sizeof(struct omap_des_reqctx);
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct omap_des_reqctx));
ctx->enginectx.op.prepare_request = omap_des_prepare_req;
ctx->enginectx.op.unprepare_request = NULL;
@@ -718,103 +730,78 @@
return 0;
}
-static void omap_des_cra_exit(struct crypto_tfm *tfm)
-{
- pr_debug("enter\n");
-}
-
/* ********************** ALGS ************************************ */
-static struct crypto_alg algs_ecb_cbc[] = {
+static struct skcipher_alg algs_ecb_cbc[] = {
{
- .cra_name = "ecb(des)",
- .cra_driver_name = "ecb-des-omap",
- .cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_KERN_DRIVER_ONLY |
+ .base.cra_name = "ecb(des)",
+ .base.cra_driver_name = "ecb-des-omap",
+ .base.cra_priority = 100,
+ .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct omap_des_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = omap_des_cra_init,
- .cra_exit = omap_des_cra_exit,
- .cra_u.ablkcipher = {
- .min_keysize = DES_KEY_SIZE,
- .max_keysize = DES_KEY_SIZE,
- .setkey = omap_des_setkey,
- .encrypt = omap_des_ecb_encrypt,
- .decrypt = omap_des_ecb_decrypt,
- }
+ .base.cra_blocksize = DES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct omap_des_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .setkey = omap_des_setkey,
+ .encrypt = omap_des_ecb_encrypt,
+ .decrypt = omap_des_ecb_decrypt,
+ .init = omap_des_init_tfm,
},
{
- .cra_name = "cbc(des)",
- .cra_driver_name = "cbc-des-omap",
- .cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_KERN_DRIVER_ONLY |
+ .base.cra_name = "cbc(des)",
+ .base.cra_driver_name = "cbc-des-omap",
+ .base.cra_priority = 100,
+ .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct omap_des_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = omap_des_cra_init,
- .cra_exit = omap_des_cra_exit,
- .cra_u.ablkcipher = {
- .min_keysize = DES_KEY_SIZE,
- .max_keysize = DES_KEY_SIZE,
- .ivsize = DES_BLOCK_SIZE,
- .setkey = omap_des_setkey,
- .encrypt = omap_des_cbc_encrypt,
- .decrypt = omap_des_cbc_decrypt,
- }
+ .base.cra_blocksize = DES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct omap_des_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = omap_des_setkey,
+ .encrypt = omap_des_cbc_encrypt,
+ .decrypt = omap_des_cbc_decrypt,
+ .init = omap_des_init_tfm,
},
{
- .cra_name = "ecb(des3_ede)",
- .cra_driver_name = "ecb-des3-omap",
- .cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_KERN_DRIVER_ONLY |
+ .base.cra_name = "ecb(des3_ede)",
+ .base.cra_driver_name = "ecb-des3-omap",
+ .base.cra_priority = 100,
+ .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct omap_des_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = omap_des_cra_init,
- .cra_exit = omap_des_cra_exit,
- .cra_u.ablkcipher = {
- .min_keysize = 3*DES_KEY_SIZE,
- .max_keysize = 3*DES_KEY_SIZE,
- .setkey = omap_des_setkey,
- .encrypt = omap_des_ecb_encrypt,
- .decrypt = omap_des_ecb_decrypt,
- }
+ .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct omap_des_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .setkey = omap_des3_setkey,
+ .encrypt = omap_des_ecb_encrypt,
+ .decrypt = omap_des_ecb_decrypt,
+ .init = omap_des_init_tfm,
},
{
- .cra_name = "cbc(des3_ede)",
- .cra_driver_name = "cbc-des3-omap",
- .cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_KERN_DRIVER_ONLY |
+ .base.cra_name = "cbc(des3_ede)",
+ .base.cra_driver_name = "cbc-des3-omap",
+ .base.cra_priority = 100,
+ .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY |
CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct omap_des_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = omap_des_cra_init,
- .cra_exit = omap_des_cra_exit,
- .cra_u.ablkcipher = {
- .min_keysize = 3*DES_KEY_SIZE,
- .max_keysize = 3*DES_KEY_SIZE,
- .ivsize = DES_BLOCK_SIZE,
- .setkey = omap_des_setkey,
- .encrypt = omap_des_cbc_encrypt,
- .decrypt = omap_des_cbc_decrypt,
- }
+ .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct omap_des_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ .setkey = omap_des3_setkey,
+ .encrypt = omap_des_cbc_encrypt,
+ .decrypt = omap_des_cbc_decrypt,
+ .init = omap_des_init_tfm,
}
};
@@ -972,7 +959,7 @@
{
struct device *dev = &pdev->dev;
struct omap_des_dev *dd;
- struct crypto_alg *algp;
+ struct skcipher_alg *algp;
struct resource *res;
int err = -ENOMEM, i, j, irq = -1;
u32 reg;
@@ -1034,7 +1021,6 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(dev, "can't get IRQ resource: %d\n", irq);
err = irq;
goto err_irq;
}
@@ -1049,9 +1035,9 @@
INIT_LIST_HEAD(&dd->list);
- spin_lock(&list_lock);
+ spin_lock_bh(&list_lock);
list_add_tail(&dd->list, &dev_list);
- spin_unlock(&list_lock);
+ spin_unlock_bh(&list_lock);
/* Initialize des crypto engine */
dd->engine = crypto_engine_alloc_init(dev, 1);
@@ -1068,10 +1054,9 @@
for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
algp = &dd->pdata->algs_info[i].algs_list[j];
- pr_debug("reg alg: %s\n", algp->cra_name);
- INIT_LIST_HEAD(&algp->cra_list);
+ pr_debug("reg alg: %s\n", algp->base.cra_name);
- err = crypto_register_alg(algp);
+ err = crypto_register_skcipher(algp);
if (err)
goto err_algs;
@@ -1084,7 +1069,7 @@
err_algs:
for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
- crypto_unregister_alg(
+ crypto_unregister_skcipher(
&dd->pdata->algs_info[i].algs_list[j]);
err_engine:
@@ -1111,13 +1096,13 @@
if (!dd)
return -ENODEV;
- spin_lock(&list_lock);
+ spin_lock_bh(&list_lock);
list_del(&dd->list);
- spin_unlock(&list_lock);
+ spin_unlock_bh(&list_lock);
for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
- crypto_unregister_alg(
+ crypto_unregister_skcipher(
&dd->pdata->algs_info[i].algs_list[j]);
tasklet_kill(&dd->done_task);
--
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