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/bcm/spu.c | 39 ++-------------------------------------
1 files changed, 2 insertions(+), 37 deletions(-)
diff --git a/kernel/drivers/crypto/bcm/spu.c b/kernel/drivers/crypto/bcm/spu.c
index dbb5c03..fe126f9 100644
--- a/kernel/drivers/crypto/bcm/spu.c
+++ b/kernel/drivers/crypto/bcm/spu.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2016 Broadcom
- *
- * 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 (the "GPL").
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 (GPLv2) for more details.
- *
- * You should have received a copy of the GNU General Public License
- * version 2 (GPLv2) along with this source code.
*/
#include <linux/kernel.h>
@@ -21,9 +10,6 @@
#include "spu.h"
#include "spum.h"
#include "cipher.h"
-
-/* This array is based on the hash algo type supported in spu.h */
-char *tag_to_hash_idx[] = { "none", "md5", "sha1", "sha224", "sha256" };
char *hash_alg_name[] = { "None", "md5", "sha1", "sha224", "sha256", "aes",
"sha384", "sha512", "sha3_224", "sha3_256", "sha3_384", "sha3_512" };
@@ -235,10 +221,6 @@
case CIPHER_ALG_3DES:
cipher_key_len = 24;
name = "3DES";
- break;
- case CIPHER_ALG_RC4:
- cipher_key_len = 260;
- name = "ARC4";
break;
case CIPHER_ALG_AES:
switch (cipher_type) {
@@ -933,21 +915,16 @@
* @spu_req_hdr_len: Length in bytes of the SPU request header
* @isInbound: 0 encrypt, 1 decrypt
* @cipher_parms: Parameters describing cipher operation to be performed
- * @update_key: If true, rewrite the cipher key in SCTX
* @data_size: Length of the data in the BD field
*
* Assumes much of the header was already filled in at setkey() time in
* spum_cipher_req_init().
- * spum_cipher_req_init() fills in the encryption key. For RC4, when submitting
- * a request for a non-first chunk, we use the 260-byte SUPDT field from the
- * previous response as the key. update_key is true for this case. Unused in all
- * other cases.
+ * spum_cipher_req_init() fills in the encryption key.
*/
void spum_cipher_req_finish(u8 *spu_hdr,
u16 spu_req_hdr_len,
unsigned int is_inbound,
struct spu_cipher_parms *cipher_parms,
- bool update_key,
unsigned int data_size)
{
struct SPUHEADER *spuh;
@@ -962,11 +939,6 @@
flow_log(" in: %u\n", is_inbound);
flow_log(" cipher alg: %u, cipher_type: %u\n", cipher_parms->alg,
cipher_parms->type);
- if (update_key) {
- flow_log(" cipher key len: %u\n", cipher_parms->key_len);
- flow_dump(" key: ", cipher_parms->key_buf,
- cipher_parms->key_len);
- }
/*
* In XTS mode, API puts "i" parameter (block tweak) in IV. For
@@ -994,13 +966,6 @@
cipher_bits |= CIPHER_INBOUND;
else
cipher_bits &= ~CIPHER_INBOUND;
-
- /* update encryption key for RC4 on non-first chunk */
- if (update_key) {
- spuh->sa.cipher_flags |=
- cipher_parms->type << CIPHER_TYPE_SHIFT;
- memcpy(spuh + 1, cipher_parms->key_buf, cipher_parms->key_len);
- }
if (cipher_parms->alg && cipher_parms->iv_buf && cipher_parms->iv_len)
/* cipher iv provided so put it in here */
--
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