SVN-Revision: 21159master
parent
e226157e65
commit
1aea70229e
@ -1,3 +1,5 @@ |
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obj-y := dma-core.o irq.o ebu.o setup.o devices.o cgu.o
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obj-$(CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT) += arcaydian.o
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obj-$(CONFIG_DANUBE_MACH_ARV452) += mach-arv452.o
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obj-$(CONFIG_DANUBE_MACH_EASY50712) += mach-easy50712.o
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obj-$(CONFIG_DANUBE_MACH_EASY4010) += mach-easy4010.o
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@ -0,0 +1,79 @@ |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/leds.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio_buttons.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/input.h> |
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#include <machine.h> |
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#include <ifxmips_prom.h> |
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#include "devices.h" |
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extern unsigned char ifxmips_ethaddr[6]; |
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#ifdef CONFIG_MTD_PARTITIONS |
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static struct mtd_partition easy4010_partitions[] = |
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{ |
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{ |
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.name = "uboot", |
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.offset = 0x0, |
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.size = 0x40000, |
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}, |
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{ |
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.name = "uboot_env", |
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.offset = 0x40000, |
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.size = 0x10000, |
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}, |
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{ |
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.name = "kernel", |
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.offset = 0x0, |
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.size = 0x0, |
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}, |
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{ |
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.name = "rootfs", |
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.offset = 0x0, |
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.size = 0x0, |
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} |
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}; |
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#endif |
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static struct physmap_flash_data easy4010_flash_data = { |
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#ifdef CONFIG_MTD_PARTITIONS |
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.nr_parts = ARRAY_SIZE(easy4010_partitions), |
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.parts = easy4010_partitions, |
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#endif |
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}; |
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static struct gpio_led easy4010_leds[] = { |
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{ .name = "ifx:green:test0", .gpio = 0,}, |
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{ .name = "ifx:green:test1", .gpio = 1,}, |
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{ .name = "ifx:green:test2", .gpio = 2,}, |
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{ .name = "ifx:green:test3", .gpio = 3,}, |
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}; |
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static void __init |
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easy4010_init(void) |
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{ |
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ifxmips_register_gpio(); |
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ifxmips_register_gpio_dev(); |
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ifxmips_register_mtd(&easy4010_flash_data); |
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ifxmips_register_leds(easy4010_leds, ARRAY_SIZE(easy4010_leds)); |
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ifxmips_register_wdt(); |
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danube_register_ethernet(ifxmips_ethaddr); |
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danube_register_usb(); |
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} |
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MIPS_MACHINE(IFXMIPS_MACH_EASY4010, |
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"EASY4010", |
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"Lantiq Twinpass Eval Board", |
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easy4010_init); |
@ -0,0 +1,80 @@ |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/leds.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio_buttons.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/input.h> |
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#include <machine.h> |
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#include <ifxmips_prom.h> |
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#include "devices.h" |
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extern unsigned char ifxmips_ethaddr[6]; |
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#ifdef CONFIG_MTD_PARTITIONS |
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static struct mtd_partition easy50712_partitions[] = |
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{ |
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{ |
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.name = "uboot", |
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.offset = 0x0, |
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.size = 0x40000, |
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}, |
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{ |
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.name = "uboot_env", |
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.offset = 0x40000, |
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.size = 0x10000, |
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}, |
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{ |
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.name = "kernel", |
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.offset = 0x0, |
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.size = 0x0, |
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}, |
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{ |
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.name = "rootfs", |
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.offset = 0x0, |
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.size = 0x0, |
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} |
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}; |
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#endif |
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static struct physmap_flash_data easy50712_flash_data = { |
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#ifdef CONFIG_MTD_PARTITIONS |
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.nr_parts = ARRAY_SIZE(easy50712_partitions), |
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.parts = easy50712_partitions, |
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#endif |
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}; |
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static struct gpio_led easy50712_leds[] = { |
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{ .name = "ifx:green:test0", .gpio = 0,}, |
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{ .name = "ifx:green:test1", .gpio = 1,}, |
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{ .name = "ifx:green:test2", .gpio = 2,}, |
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{ .name = "ifx:green:test3", .gpio = 3,}, |
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}; |
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static void __init |
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easy50712_init(void) |
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{ |
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ifxmips_register_gpio(); |
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//printk("ifxmips_register_gpio_dev\n");
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//ifxmips_register_gpio_dev();
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ifxmips_register_mtd(&easy50712_flash_data); |
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ifxmips_register_leds(easy50712_leds, ARRAY_SIZE(easy50712_leds)); |
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ifxmips_register_wdt(); |
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danube_register_ethernet(ifxmips_ethaddr); |
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danube_register_usb(); |
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} |
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MIPS_MACHINE(IFXMIPS_MACH_EASY50712, |
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"EASY50712", |
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"Lantiq Eval Board", |
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easy50712_init); |
@ -1,11 +1,21 @@ |
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#include <asm/mips_machine.h> |
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enum ramips_mach_type { |
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enum ifxmips_mach_type { |
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IFXMIPS_MACH_GENERIC, |
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/* Danube based machines */ |
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IFXMIPS_MACH_EASY50712, /* danube evalkit */ |
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/* Danube/Twinpass based machines */ |
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IFXMIPS_MACH_EASY50712, /* Danube evalkit */ |
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IFXMIPS_MACH_EASY4010, /* Twinpass evalkit */ |
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IFXMIPS_MACH_ARV4519, /* Airties WAV-221 */ |
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IFXMIPS_MACH_ARV452, /* Airties WAV-281, Arcor EasyboxA800 */ |
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/* ASE based machines */ |
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IFXMIPS_MACH_EASY50601, /* ASE wave board */ |
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/* AR9 based machines */ |
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IFXMIPS_MACH_EASY50822, /* AR9 eval board */ |
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/* VR9 based machines */ |
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IFXMIPS_MACH_EASY80920, /* VRX200 eval board */ |
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}; |
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@ -0,0 +1,9 @@ |
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu_danube.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_DES) += ifxmips_des.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_AES) += ifxmips_aes.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) += ifxmips_arc4.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) += ifxmips_sha1.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) += ifxmips_sha1_hmac.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) += ifxmips_mda5.o
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obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MDA5_HMAC) += ifxmips_mda5_hmac.o
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,388 @@ |
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/*
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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* |
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* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
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* Copyright (C) 2009 Mohammad Firdaus |
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*/ |
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/*!
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\defgroup IFX_DEU IFX_DEU_DRIVERS |
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\ingroup API |
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\brief ifx deu driver module |
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*/ |
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/*!
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\file ifxmips_arc4.c |
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\ingroup IFX_DEU |
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\brief ARC4 encryption DEU driver file |
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*/ |
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/*!
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\defgroup IFX_ARC4_FUNCTIONS IFX_ARC4_FUNCTIONS |
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\ingroup IFX_DEU |
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\brief IFX deu driver functions |
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*/ |
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/* Project header */ |
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#include <linux/version.h> |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/types.h> |
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#include <linux/errno.h> |
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#include <linux/crypto.h> |
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#include <crypto/algapi.h> |
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#include <linux/interrupt.h> |
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#include <asm/byteorder.h> |
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#include <linux/delay.h> |
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#include "ifxmips_deu.h" |
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#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
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static spinlock_t lock; |
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#define CRTCL_SECT_INIT spin_lock_init(&lock) |
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#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) |
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#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) |
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/* Preprocessor declerations */ |
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#define ARC4_MIN_KEY_SIZE 1 |
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//#define ARC4_MAX_KEY_SIZE 256
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#define ARC4_MAX_KEY_SIZE 16 |
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#define ARC4_BLOCK_SIZE 1 |
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#define ARC4_START IFX_ARC4_CON |
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/*
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* \brief arc4 private structure |
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*/ |
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struct arc4_ctx { |
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int key_length; |
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u8 buf[120]; |
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}; |
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extern int disable_deudma; |
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/*! \fn static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief main interface to AES hardware |
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\param ctx_arg crypto algo context |
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\param out_arg output bytestream |
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\param in_arg input bytestream |
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\param iv_arg initialization vector |
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\param nbytes length of bytestream |
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\param encdec 1 for encrypt; 0 for decrypt |
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\param mode operation mode such as ebc, cbc, ctr |
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*/ |
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static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
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u8 *iv_arg, u32 nbytes, int encdec, int mode) |
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{ |
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volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; |
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int i = 0; |
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ulong flag; |
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#if 1 // need to handle nbytes not multiple of 16
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volatile u32 tmp_array32[4]; |
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volatile u8 *tmp_ptr8; |
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int remaining_bytes, j; |
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#endif |
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CRTCL_SECT_START; |
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arc4->IDLEN = nbytes; |
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#if 1 |
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while (i < nbytes) { |
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arc4->ID3R = *((u32 *) in_arg + (i>>2) + 0); |
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arc4->ID2R = *((u32 *) in_arg + (i>>2) + 1); |
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arc4->ID1R = *((u32 *) in_arg + (i>>2) + 2); |
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arc4->ID0R = *((u32 *) in_arg + (i>>2) + 3); |
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arc4->controlr.GO = 1; |
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while (arc4->controlr.BUS) { |
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// this will not take long
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} |
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#if 1 |
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// need to handle nbytes not multiple of 16
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tmp_array32[0] = arc4->OD3R; |
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tmp_array32[1] = arc4->OD2R; |
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tmp_array32[2] = arc4->OD1R; |
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tmp_array32[3] = arc4->OD0R; |
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remaining_bytes = nbytes - i; |
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if (remaining_bytes > 16) |
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remaining_bytes = 16; |
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tmp_ptr8 = (u8 *)&tmp_array32[0]; |
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for (j = 0; j < remaining_bytes; j++) |
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*out_arg++ = *tmp_ptr8++; |
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#else |
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*((u32 *) out_arg + (i>>2) + 0) = arc4->OD3R; |
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*((u32 *) out_arg + (i>>2) + 1) = arc4->OD2R; |
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*((u32 *) out_arg + (i>>2) + 2) = arc4->OD1R; |
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*((u32 *) out_arg + (i>>2) + 3) = arc4->OD0R; |
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#endif |
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i += 16; |
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} |
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#else // dma
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#endif // dma
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CRTCL_SECT_END; |
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} |
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/*! \fn arc4_chip_init (void)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief initialize arc4 hardware |
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*/ |
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static void arc4_chip_init (void) |
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{ |
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//do nothing
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} |
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/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief sets ARC4 key |
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\param tfm linux crypto algo transform |
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\param in_key input key |
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\param key_len key lengths less than or equal to 16 bytes supported |
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*/ |
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static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey, |
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unsigned int key_len) |
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{ |
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//struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
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volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; |
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u32 *in_key = (u32 *)inkey; |
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// must program all bits at one go?!!!
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#if 1 |
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//#ifndef CONFIG_CRYPTO_DEV_VR9_DMA
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*IFX_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) ); |
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//NDC=1,ENDI=1,GO=0,KSAE=1,SM=0
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arc4->K3R = *((u32 *) in_key + 0); |
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arc4->K2R = *((u32 *) in_key + 1); |
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arc4->K1R = *((u32 *) in_key + 2); |
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arc4->K0R = *((u32 *) in_key + 3); |
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#else //dma
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*AMAZONS_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) | (1<<4) ); |
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//NDC=1,ENDI=1,GO=0,KSAE=1,SM=1
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arc4->K3R = *((u32 *) in_key + 0); |
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arc4->K2R = *((u32 *) in_key + 1); |
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arc4->K1R = *((u32 *) in_key + 2); |
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arc4->K0R = *((u32 *) in_key + 3); |
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#if 0 |
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arc4->K3R = endian_swap(*((u32 *) in_key + 0)); |
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arc4->K2R = endian_swap(*((u32 *) in_key + 1)); |
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arc4->K1R = endian_swap(*((u32 *) in_key + 2)); |
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arc4->K0R = endian_swap(*((u32 *) in_key + 3)); |
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#endif |
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#endif |
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#if 0 // arc4 is a ugly state machine, KSAE can only be set once per session
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ctx->key_length = key_len; |
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memcpy ((u8 *) (ctx->buf), in_key, key_len); |
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#endif |
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return 0; |
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} |
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/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief sets ARC4 hardware to ECB mode |
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\param ctx crypto algo context |
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\param dst output bytestream |
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\param src input bytestream |
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\param iv initialization vector |
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\param nbytes length of bytestream |
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\param encdec 1 for encrypt; 0 for decrypt |
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\param inplace not used |
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*/ |
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static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, |
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uint8_t *iv, size_t nbytes, int encdec, int inplace) |
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{ |
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_deu_arc4 (ctx, dst, src, NULL, nbytes, encdec, 0); |
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} |
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/*! \fn static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief encrypt/decrypt ARC4_BLOCK_SIZE of data |
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\param tfm linux crypto algo transform |
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\param out output bytestream |
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\param in input bytestream |
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*/ |
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static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
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{ |
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struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); |
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_deu_arc4 (ctx, out, in, NULL, ARC4_BLOCK_SIZE, |
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CRYPTO_DIR_DECRYPT, CRYPTO_TFM_MODE_ECB); |
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} |
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/*
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* \brief ARC4 function mappings |
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*/ |
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static struct crypto_alg ifxdeu_arc4_alg = { |
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.cra_name = "arc4", |
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.cra_driver_name = "ifxdeu-arc4", |
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.cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
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.cra_blocksize = ARC4_BLOCK_SIZE, |
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.cra_ctxsize = sizeof(struct arc4_ctx), |
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.cra_module = THIS_MODULE, |
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.cra_list = LIST_HEAD_INIT(ifxdeu_arc4_alg.cra_list), |
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.cra_u = { |
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.cipher = { |
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.cia_min_keysize = ARC4_MIN_KEY_SIZE, |
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.cia_max_keysize = ARC4_MAX_KEY_SIZE, |
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.cia_setkey = arc4_set_key, |
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.cia_encrypt = arc4_crypt, |
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.cia_decrypt = arc4_crypt, |
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} |
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} |
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}; |
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/*! \fn static int ecb_arc4_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
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\ingroup IFX_ARC4_FUNCTIONS |
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\brief ECB ARC4 encrypt using linux crypto blkcipher |
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\param desc blkcipher descriptor |
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\param dst output scatterlist |
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\param src input scatterlist |
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\param nbytes data size in bytes |
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*/ |
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static int ecb_arc4_encrypt(struct blkcipher_desc *desc, |
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struct scatterlist *dst, struct scatterlist *src, |
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unsigned int nbytes) |
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{ |
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struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
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struct blkcipher_walk walk; |
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int err; |
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DPRINTF(1, "\n"); |
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blkcipher_walk_init(&walk, dst, src, nbytes); |
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err = blkcipher_walk_virt(desc, &walk); |
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while ((nbytes = walk.nbytes)) { |
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_deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
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NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); |
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nbytes &= ARC4_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*! \fn static int ecb_arc4_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
|
||||
\ingroup IFX_ARC4_FUNCTIONS |
||||
\brief ECB ARC4 decrypt using linux crypto blkcipher |
||||
\param desc blkcipher descriptor |
||||
\param dst output scatterlist |
||||
\param src input scatterlist |
||||
\param nbytes data size in bytes |
||||
*/ |
||||
static int ecb_arc4_decrypt(struct blkcipher_desc *desc, |
||||
struct scatterlist *dst, struct scatterlist *src, |
||||
unsigned int nbytes) |
||||
{ |
||||
struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
||||
struct blkcipher_walk walk; |
||||
int err; |
||||
|
||||
DPRINTF(1, "\n"); |
||||
blkcipher_walk_init(&walk, dst, src, nbytes); |
||||
err = blkcipher_walk_virt(desc, &walk); |
||||
|
||||
while ((nbytes = walk.nbytes)) { |
||||
_deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
||||
NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); |
||||
nbytes &= ARC4_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*
|
||||
* \brief ARC4 function mappings |
||||
*/ |
||||
static struct crypto_alg ifxdeu_ecb_arc4_alg = { |
||||
.cra_name = "ecb(arc4)", |
||||
.cra_driver_name = "ifxdeu-ecb(arc4)", |
||||
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, |
||||
.cra_blocksize = ARC4_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct arc4_ctx), |
||||
.cra_type = &crypto_blkcipher_type, |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list), |
||||
.cra_u = { |
||||
.blkcipher = { |
||||
.min_keysize = ARC4_MIN_KEY_SIZE, |
||||
.max_keysize = ARC4_MAX_KEY_SIZE, |
||||
.setkey = arc4_set_key, |
||||
.encrypt = ecb_arc4_encrypt, |
||||
.decrypt = ecb_arc4_decrypt, |
||||
} |
||||
} |
||||
}; |
||||
|
||||
/*! \fn int __init ifxdeu_init_arc4(void)
|
||||
\ingroup IFX_ARC4_FUNCTIONS |
||||
\brief initialize arc4 driver |
||||
*/ |
||||
int __init ifxdeu_init_arc4(void) |
||||
{ |
||||
int ret; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_arc4_alg))) |
||||
goto arc4_err; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg))) |
||||
goto ecb_arc4_err; |
||||
|
||||
arc4_chip_init (); |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
printk (KERN_NOTICE "IFX DEU ARC4 initialized %s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
arc4_err: |
||||
crypto_unregister_alg(&ifxdeu_arc4_alg); |
||||
printk(KERN_ERR "IFX arc4 initialization failed!\n"); |
||||
return ret; |
||||
ecb_arc4_err: |
||||
crypto_unregister_alg(&ifxdeu_ecb_arc4_alg); |
||||
printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n"); |
||||
return ret; |
||||
|
||||
} |
||||
|
||||
/*! \fn void __exit ifxdeu_fini_arc4(void)
|
||||
\ingroup IFX_ARC4_FUNCTIONS |
||||
\brief unregister arc4 driver |
||||
*/ |
||||
void __exit ifxdeu_fini_arc4(void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_arc4_alg); |
||||
crypto_unregister_alg (&ifxdeu_ecb_arc4_alg); |
||||
} |
||||
|
||||
#endif |
@ -0,0 +1,59 @@ |
||||
#ifndef IFXMIPS_ARC4_H |
||||
#define IFXMIPS_ARC4_H |
||||
|
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU_DEFINITIONS IFX_DEU_DRIVERS |
||||
\ingroup IFX_DEU |
||||
\brief ifx deu definitions |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_arc4.h |
||||
\brief ARC4 DEU header driver file |
||||
*/ |
||||
|
||||
|
||||
|
||||
#define ARC4_START IFX_ARC4_CON |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_ARC4_AR9 |
||||
#include "ifxmips_deu_structs_ar9.h" |
||||
#endif |
||||
#ifdef CONFIG_CRYPTO_DEV_DMA_AR9 |
||||
#include "ifxmips_deu_structs_ar9.h" |
||||
#endif |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_ARC4_VR9 |
||||
#include "ifxmips_deu_structs_vr9.h" |
||||
#endif |
||||
#ifdef CONFIG_CRYPTO_DEV_DMA_VR9 |
||||
#include "ifxmips_deu_structs_vr9.h" |
||||
#include <asm/ifx/irq.h> |
||||
#endif |
||||
|
||||
#endif /* IFXMIPS_ARC4_H */ |
@ -0,0 +1,893 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_des.c |
||||
\ingroup IFX_DEU |
||||
\brief DES encryption DEU driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DES_FUNCTIONS IFX_DES_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief IFX DES Encryption functions |
||||
*/ |
||||
|
||||
/* Project Header Files */ |
||||
#include <linux/version.h> |
||||
#include <linux/module.h> |
||||
#include <linux/init.h> |
||||
#include <linux/types.h> |
||||
#include <linux/errno.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/interrupt.h> |
||||
#include <linux/delay.h> |
||||
#include <asm/byteorder.h> |
||||
#include <crypto/algapi.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
/* DMA specific header and variables */ |
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
#include "ifxmips_deu_dma.h" |
||||
#include <asm/ifx/irq.h> |
||||
#include <asm/ifx/ifx_dma_core.h> |
||||
extern _ifx_deu_device ifx_deu[1]; |
||||
extern u32 *des_buff_in; |
||||
extern u32 *des_buff_out; |
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA |
||||
#define CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA |
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA */ |
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ |
||||
|
||||
spinlock_t des_lock; |
||||
#define CRTCL_SECT_INIT spin_lock_init(&des_lock) |
||||
#define CRTCL_SECT_START spin_lock_irqsave(&des_lock, flag) |
||||
#define CRTCL_SECT_END spin_unlock_irqrestore(&des_lock, flag) |
||||
|
||||
/* Preprocessor declarations */ |
||||
#define DES_3DES_START IFX_DES_CON |
||||
#define DES_KEY_SIZE 8 |
||||
#define DES_EXPKEY_WORDS 32 |
||||
#define DES_BLOCK_SIZE 8 |
||||
#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) |
||||
#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) |
||||
#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE |
||||
|
||||
/* Function Declaration to prevent warning messages */ |
||||
void des_chip_init (void); |
||||
u32 endian_swap(u32 input); |
||||
u32 input_swap(u32 input); |
||||
int aes_memory_allocate(int value); |
||||
int des_memory_allocate(int value); |
||||
void memory_release(u32 *buffer); |
||||
u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); |
||||
void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); |
||||
void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
||||
u8 *iv_arg, u32 nbytes, int encdec, int mode); |
||||
#else |
||||
void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
||||
u8 *iv_arg, u32 nbytes, int encdec, int mode); |
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ |
||||
|
||||
struct des_ctx { |
||||
int controlr_M; |
||||
int key_length; |
||||
u8 iv[DES_BLOCK_SIZE]; |
||||
u32 expkey[DES3_EDE_EXPKEY_WORDS]; |
||||
}; |
||||
|
||||
extern int disable_deudma; |
||||
|
||||
/*! \fn int des_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets DES key |
||||
* \param tfm linux crypto algo transform |
||||
* \param key input key |
||||
* \param key_len key length |
||||
*/ |
||||
int des_setkey(struct crypto_tfm *tfm, const u8 *key, |
||||
unsigned int key_len) |
||||
{ |
||||
struct des_ctx *ctx = crypto_tfm_ctx(tfm); |
||||
|
||||
DPRINTF(0, "ctx @%p, key_len %d %d\n", ctx, key_len); |
||||
|
||||
ctx->controlr_M = 0; /* des */ |
||||
ctx->key_length = key_len; |
||||
|
||||
memcpy ((u8 *) (ctx->expkey), key, key_len); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief main interface to DES hardware |
||||
* \param ctx_arg crypto algo context |
||||
* \param out_arg output bytestream |
||||
* \param in_arg input bytestream |
||||
* \param iv_arg initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param mode operation mode such as ebc, cbc |
||||
*/ |
||||
|
||||
void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
||||
u8 *iv_arg, u32 nbytes, int encdec, int mode) |
||||
#else |
||||
/*! \fn void ifx_deu_des_core(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief main interface to DES hardware |
||||
* \param ctx_arg crypto algo context |
||||
* \param out_arg output bytestream |
||||
* \param in_arg input bytestream |
||||
* \param iv_arg initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param mode operation mode such as ebc, cbc |
||||
*/ |
||||
|
||||
void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
||||
u8 *iv_arg, u32 nbytes, int encdec, int mode) |
||||
#endif |
||||
{ |
||||
volatile struct des_t *des = (struct des_t *) DES_3DES_START; |
||||
struct des_ctx *dctx = ctx_arg; |
||||
u32 *key = dctx->expkey; |
||||
ulong flag; |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
int i = 0; |
||||
int nblocks = 0; |
||||
#else |
||||
volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; |
||||
struct dma_device_info *dma_device = ifx_deu[0].dma_device; |
||||
//deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv;
|
||||
int wlen = 0; |
||||
u32 *outcopy = NULL; |
||||
u32 *dword_mem_aligned_in = NULL; |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA |
||||
u32 timeout = 0; |
||||
u32 *out_dma = NULL; |
||||
#endif |
||||
|
||||
#endif |
||||
|
||||
DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", dctx, mode, encdec); |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
des->controlr.E_D = !encdec; /* encryption */ |
||||
des->controlr.O = mode; /* 0 ECB, 1 CBC, 2 OFB, 3 CFB, 4 CTR */ |
||||
des->controlr.SM = 1; /* start after writing input register */ |
||||
des->controlr.DAU = 0; /* Disable Automatic Update of init vector */ |
||||
des->controlr.ARS = 1; /* Autostart Select - write to IHR */ |
||||
|
||||
des->controlr.M = dctx->controlr_M; |
||||
/* write keys */ |
||||
if (dctx->controlr_M == 0) { |
||||
/* DES mode */ |
||||
des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); |
||||
des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); |
||||
#ifdef CRYPTO_DEBUG |
||||
printk ("key1: %x\n", (*((u32 *) key + 0))); |
||||
printk ("key2: %x\n", (*((u32 *) key + 1))); |
||||
#endif |
||||
} else { |
||||
/* 3DES mode (EDE-x) */ |
||||
switch (dctx->key_length) { |
||||
case 24: |
||||
des->K3HR = DEU_ENDIAN_SWAP(*((u32 *) key + 4)); |
||||
des->K3LR = DEU_ENDIAN_SWAP(*((u32 *) key + 5)); |
||||
/* no break; */ |
||||
case 16: |
||||
des->K2HR = DEU_ENDIAN_SWAP(*((u32 *) key + 2)); |
||||
des->K2LR = DEU_ENDIAN_SWAP(*((u32 *) key + 3)); |
||||
/* no break; */ |
||||
case 8: |
||||
des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); |
||||
des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); |
||||
break; |
||||
default: |
||||
CRTCL_SECT_END; |
||||
return; |
||||
} |
||||
} |
||||
|
||||
/* write init vector (not required for ECB mode) */ |
||||
if (mode > 0) { |
||||
des->IVHR = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); |
||||
des->IVLR = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); |
||||
} |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
nblocks = nbytes / 4; |
||||
|
||||
for (i = 0; i < nblocks; i += 2) { |
||||
/* wait for busy bit to clear */ |
||||
|
||||
/*--- Workaround ----------------------------------------------------
|
||||
do a dummy read to the busy flag because it is not raised early |
||||
enough in CFB/OFB 3DES modes */ |
||||
#ifdef CRYPTO_DEBUG |
||||
printk ("ihr: %x\n", (*((u32 *) in_arg + i))); |
||||
printk ("ilr: %x\n", (*((u32 *) in_arg + 1 + i))); |
||||
#endif |
||||
des->IHR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + i)); |
||||
des->ILR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + 1 + i)); /* start crypto */ |
||||
|
||||
while (des->controlr.BUS) { |
||||
/* this will not take long */ |
||||
} |
||||
|
||||
*((u32 *) out_arg + 0 + i) = des->OHR; |
||||
*((u32 *) out_arg + 1 + i) = des->OLR; |
||||
|
||||
#ifdef CRYPTO_DEBUG |
||||
printk ("ohr: %x\n", (*((u32 *) out_arg + i))); |
||||
printk ("olr: %x\n", (*((u32 *) out_arg + 1 + i))); |
||||
#endif |
||||
} |
||||
|
||||
#else /* dma mode */ |
||||
|
||||
/* Prepare Rx buf length used in dma psuedo interrupt */ |
||||
//deu_priv->deu_rx_buf = out_arg;
|
||||
//deu_priv->deu_rx_len = nbytes;
|
||||
|
||||
/* memory alignment issue */ |
||||
dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, des_buff_in, BUFFER_IN, nbytes); |
||||
|
||||
dma->controlr.ALGO = 0; //DES
|
||||
des->controlr.DAU = 0; |
||||
dma->controlr.BS = 0; |
||||
dma->controlr.EN = 1; |
||||
|
||||
while (des->controlr.BUS) { |
||||
// wait for AES to be ready
|
||||
}; |
||||
|
||||
wlen = dma_device_write (dma_device, (u8 *) dword_mem_aligned_in, nbytes, NULL); |
||||
if (wlen != nbytes) { |
||||
dma->controlr.EN = 0; |
||||
CRTCL_SECT_END; |
||||
printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); |
||||
return; // -EINVAL;
|
||||
} |
||||
|
||||
WAIT_DES_DMA_READY(); |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA |
||||
|
||||
outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, des_buff_out, BUFFER_OUT, nbytes); |
||||
|
||||
// polling DMA rx channel
|
||||
while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { |
||||
timeout++; |
||||
|
||||
if (timeout >= 333000) { |
||||
dma->controlr.EN = 0; |
||||
CRTCL_SECT_END; |
||||
printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); |
||||
return; // -EINVAL;
|
||||
} |
||||
} |
||||
|
||||
WAIT_DES_DMA_READY(); |
||||
|
||||
DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); |
||||
|
||||
#else |
||||
|
||||
CRTCL_SECT_END; /* Sleep and wait for Rx finished */ |
||||
DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); |
||||
CRTCL_SECT_START; |
||||
|
||||
#endif |
||||
|
||||
#endif /* dma mode */ |
||||
|
||||
if (mode > 0) { |
||||
*(u32 *) iv_arg = DEU_ENDIAN_SWAP(des->IVHR); |
||||
*((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(des->IVLR); |
||||
}; |
||||
|
||||
CRTCL_SECT_END; |
||||
} |
||||
|
||||
//definitions from linux/include/crypto.h:
|
||||
//#define CRYPTO_TFM_MODE_ECB 0x00000001
|
||||
//#define CRYPTO_TFM_MODE_CBC 0x00000002
|
||||
//#define CRYPTO_TFM_MODE_CFB 0x00000004
|
||||
//#define CRYPTO_TFM_MODE_CTR 0x00000008
|
||||
//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined
|
||||
//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR
|
||||
|
||||
/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief main interface to DES hardware |
||||
* \param ctx_arg crypto algo context |
||||
* \param out_arg output bytestream |
||||
* \param in_arg input bytestream |
||||
* \param iv_arg initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param mode operation mode such as ebc, cbc |
||||
*/ |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, |
||||
u8 *iv_arg, u32 nbytes, int encdec, int mode) |
||||
{ |
||||
u32 remain = nbytes; |
||||
u32 inc; |
||||
|
||||
DPRINTF(0, "\n"); |
||||
|
||||
while (remain > 0) |
||||
{ |
||||
if (remain >= DEU_MAX_PACKET_SIZE) |
||||
{ |
||||
inc = DEU_MAX_PACKET_SIZE; |
||||
} |
||||
else |
||||
{ |
||||
inc = remain; |
||||
} |
||||
|
||||
remain -= inc; |
||||
|
||||
ifx_deu_des_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); |
||||
|
||||
out_arg += inc; |
||||
in_arg += inc; |
||||
} |
||||
} |
||||
#endif |
||||
|
||||
|
||||
/*! \fn void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets DES hardware to ECB mode |
||||
* \param ctx crypto algo context |
||||
* \param dst output bytestream |
||||
* \param src input bytestream |
||||
* \param iv initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param inplace not used |
||||
*/ |
||||
|
||||
void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, |
||||
uint8_t *iv, size_t nbytes, int encdec, int inplace) |
||||
{ |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, dst, src, NULL, nbytes, encdec, 0); |
||||
} |
||||
|
||||
/*! \fn void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets DES hardware to CBC mode |
||||
* \param ctx crypto algo context |
||||
* \param dst output bytestream |
||||
* \param src input bytestream |
||||
* \param iv initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param inplace not used |
||||
*/ |
||||
void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, |
||||
uint8_t *iv, size_t nbytes, int encdec, int inplace) |
||||
{ |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 1); |
||||
} |
||||
|
||||
/*! \fn void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets DES hardware to OFB mode |
||||
* \param ctx crypto algo context |
||||
* \param dst output bytestream |
||||
* \param src input bytestream |
||||
* \param iv initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param inplace not used |
||||
*/ |
||||
void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, |
||||
uint8_t *iv, size_t nbytes, int encdec, int inplace) |
||||
{ |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 2); |
||||
} |
||||
|
||||
/*! \fn void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
|
||||
\ingroup IFX_DES_FUNCTIONS |
||||
\brief sets DES hardware to CFB mode |
||||
\param ctx crypto algo context |
||||
\param dst output bytestream |
||||
\param src input bytestream |
||||
\param iv initialization vector |
||||
\param nbytes length of bytestream |
||||
\param encdec 1 for encrypt; 0 for decrypt |
||||
\param inplace not used |
||||
*/ |
||||
void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, |
||||
uint8_t *iv, size_t nbytes, int encdec, int inplace) |
||||
{ |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 3); |
||||
} |
||||
|
||||
/*! \fn void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets DES hardware to CTR mode |
||||
* \param ctx crypto algo context |
||||
* \param dst output bytestream |
||||
* \param src input bytestream |
||||
* \param iv initialization vector |
||||
* \param nbytes length of bytestream |
||||
* \param encdec 1 for encrypt; 0 for decrypt |
||||
* \param inplace not used |
||||
*/ |
||||
void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, |
||||
uint8_t *iv, size_t nbytes, int encdec, int inplace) |
||||
{ |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4); |
||||
} |
||||
|
||||
/*! \fn void des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief encrypt DES_BLOCK_SIZE of data |
||||
* \param tfm linux crypto algo transform |
||||
* \param out output bytestream |
||||
* \param in input bytestream |
||||
*/ |
||||
void des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) |
||||
{ |
||||
struct des_ctx *ctx = crypto_tfm_ctx(tfm); |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_ENCRYPT, 0); |
||||
} |
||||
|
||||
/*! \fn void des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief encrypt DES_BLOCK_SIZE of data |
||||
* \param tfm linux crypto algo transform |
||||
* \param out output bytestream |
||||
* \param in input bytestream |
||||
*/ |
||||
void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) |
||||
{ |
||||
struct des_ctx *ctx = crypto_tfm_ctx(tfm); |
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_DECRYPT, 0); |
||||
} |
||||
|
||||
/*
|
||||
* \brief RFC2451: |
||||
* |
||||
* For DES-EDE3, there is no known need to reject weak or |
||||
* complementation keys. Any weakness is obviated by the use of |
||||
* multiple keys. |
||||
* |
||||
* However, if the first two or last two independent 64-bit keys are |
||||
* equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the |
||||
* same as DES. Implementers MUST reject keys that exhibit this |
||||
* property. |
||||
* |
||||
*/ |
||||
|
||||
/*! \fn int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief sets 3DES key |
||||
* \param tfm linux crypto algo transform |
||||
* \param key input key |
||||
* \param keylen key length |
||||
*/ |
||||
int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, |
||||
unsigned int key_len) |
||||
{ |
||||
struct des_ctx *ctx = crypto_tfm_ctx(tfm); |
||||
|
||||
DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); |
||||
|
||||
ctx->controlr_M = key_len / 8 + 1; // 3DES EDE1 / EDE2 / EDE3 Mode
|
||||
ctx->key_length = key_len; |
||||
|
||||
memcpy ((u8 *) (ctx->expkey), key, key_len); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_des_alg = { |
||||
.cra_name = "des", |
||||
.cra_driver_name = "ifxdeu-des", |
||||
.cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
||||
.cra_blocksize = DES_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_alignmask = 3, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_des_alg.cra_list), |
||||
.cra_u = { .cipher = { |
||||
.cia_min_keysize = DES_KEY_SIZE, |
||||
.cia_max_keysize = DES_KEY_SIZE, |
||||
.cia_setkey = des_setkey, |
||||
.cia_encrypt = des_encrypt, |
||||
.cia_decrypt = des_decrypt } } |
||||
}; |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_des3_ede_alg = { |
||||
.cra_name = "des3_ede", |
||||
.cra_driver_name = "ifxdeu-des3_ede", |
||||
.cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
||||
.cra_blocksize = DES_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_alignmask = 3, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_des3_ede_alg.cra_list), |
||||
.cra_u = { .cipher = { |
||||
.cia_min_keysize = DES_KEY_SIZE, |
||||
.cia_max_keysize = DES_KEY_SIZE, |
||||
.cia_setkey = des3_ede_setkey, |
||||
.cia_encrypt = des_encrypt, |
||||
.cia_decrypt = des_decrypt } } |
||||
}; |
||||
|
||||
/*! \fn int ecb_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief ECB DES encrypt using linux crypto blkcipher |
||||
* \param desc blkcipher descriptor |
||||
* \param dst output scatterlist |
||||
* \param src input scatterlist |
||||
* \param nbytes data size in bytes |
||||
*/ |
||||
int ecb_des_encrypt(struct blkcipher_desc *desc, |
||||
struct scatterlist *dst, struct scatterlist *src, |
||||
unsigned int nbytes) |
||||
{ |
||||
struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
||||
struct blkcipher_walk walk; |
||||
int err; |
||||
|
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
|
||||
blkcipher_walk_init(&walk, dst, src, nbytes); |
||||
err = blkcipher_walk_virt(desc, &walk); |
||||
|
||||
while ((nbytes = walk.nbytes)) { |
||||
nbytes -= (nbytes % DES_BLOCK_SIZE); |
||||
ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
||||
NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); |
||||
nbytes &= DES_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*! \fn int ecb_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief ECB DES decrypt using linux crypto blkcipher |
||||
* \param desc blkcipher descriptor |
||||
* \param dst output scatterlist |
||||
* \param src input scatterlist |
||||
* \param nbytes data size in bytes |
||||
* \return err |
||||
*/ |
||||
int ecb_des_decrypt(struct blkcipher_desc *desc, |
||||
struct scatterlist *dst, struct scatterlist *src, |
||||
unsigned int nbytes) |
||||
{ |
||||
struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
||||
struct blkcipher_walk walk; |
||||
int err; |
||||
|
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
|
||||
blkcipher_walk_init(&walk, dst, src, nbytes); |
||||
err = blkcipher_walk_virt(desc, &walk); |
||||
|
||||
while ((nbytes = walk.nbytes)) { |
||||
nbytes -= (nbytes % DES_BLOCK_SIZE); |
||||
ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
||||
NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); |
||||
nbytes &= DES_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_ecb_des_alg = { |
||||
.cra_name = "ecb(des)", |
||||
.cra_driver_name = "ifxdeu-ecb(des)", |
||||
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, |
||||
.cra_blocksize = DES_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_type = &crypto_blkcipher_type, |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des_alg.cra_list), |
||||
.cra_u = { |
||||
.blkcipher = { |
||||
.min_keysize = DES_KEY_SIZE, |
||||
.max_keysize = DES_KEY_SIZE, |
||||
.setkey = des_setkey, |
||||
.encrypt = ecb_des_encrypt, |
||||
.decrypt = ecb_des_decrypt, |
||||
} |
||||
} |
||||
}; |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_ecb_des3_ede_alg = { |
||||
.cra_name = "ecb(des3_ede)", |
||||
.cra_driver_name = "ifxdeu-ecb(des3_ede)", |
||||
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, |
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_type = &crypto_blkcipher_type, |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des3_ede_alg.cra_list), |
||||
.cra_u = { |
||||
.blkcipher = { |
||||
.min_keysize = DES3_EDE_KEY_SIZE, |
||||
.max_keysize = DES3_EDE_KEY_SIZE, |
||||
.setkey = des3_ede_setkey, |
||||
.encrypt = ecb_des_encrypt, |
||||
.decrypt = ecb_des_decrypt, |
||||
} |
||||
} |
||||
}; |
||||
|
||||
/*! \fn int cbc_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief CBC DES encrypt using linux crypto blkcipher |
||||
* \param desc blkcipher descriptor |
||||
* \param dst output scatterlist |
||||
* \param src input scatterlist |
||||
* \param nbytes data size in bytes |
||||
* \return err |
||||
*/ |
||||
int cbc_des_encrypt(struct blkcipher_desc *desc, |
||||
struct scatterlist *dst, struct scatterlist *src, |
||||
unsigned int nbytes) |
||||
{ |
||||
struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
||||
struct blkcipher_walk walk; |
||||
int err; |
||||
|
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
|
||||
blkcipher_walk_init(&walk, dst, src, nbytes); |
||||
err = blkcipher_walk_virt(desc, &walk); |
||||
|
||||
while ((nbytes = walk.nbytes)) { |
||||
u8 *iv = walk.iv; |
||||
//printk("iv = %08x\n", *(u32 *)iv);
|
||||
nbytes -= (nbytes % DES_BLOCK_SIZE); |
||||
ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
||||
iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); |
||||
nbytes &= DES_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*! \fn int cbc_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief CBC DES decrypt using linux crypto blkcipher |
||||
* \param desc blkcipher descriptor |
||||
* \param dst output scatterlist |
||||
* \param src input scatterlist |
||||
* \param nbytes data size in bytes |
||||
* \return err |
||||
*/ |
||||
int cbc_des_decrypt(struct blkcipher_desc *desc, |
||||
struct scatterlist *dst, struct scatterlist *src, |
||||
unsigned int nbytes) |
||||
{ |
||||
struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
||||
struct blkcipher_walk walk; |
||||
int err; |
||||
|
||||
DPRINTF(0, "ctx @%p\n", ctx); |
||||
|
||||
blkcipher_walk_init(&walk, dst, src, nbytes); |
||||
err = blkcipher_walk_virt(desc, &walk); |
||||
|
||||
while ((nbytes = walk.nbytes)) { |
||||
u8 *iv = walk.iv; |
||||
//printk("iv = %08x\n", *(u32 *)iv);
|
||||
nbytes -= (nbytes % DES_BLOCK_SIZE); |
||||
ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, |
||||
iv, nbytes, CRYPTO_DIR_DECRYPT, 0); |
||||
nbytes &= DES_BLOCK_SIZE - 1; |
||||
err = blkcipher_walk_done(desc, &walk, nbytes); |
||||
} |
||||
|
||||
return err; |
||||
} |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_cbc_des_alg = { |
||||
.cra_name = "cbc(des)", |
||||
.cra_driver_name = "ifxdeu-cbc(des)", |
||||
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, |
||||
.cra_blocksize = DES_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_type = &crypto_blkcipher_type, |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des_alg.cra_list), |
||||
.cra_u = { |
||||
.blkcipher = { |
||||
.min_keysize = DES_KEY_SIZE, |
||||
.max_keysize = DES_KEY_SIZE, |
||||
.ivsize = DES_BLOCK_SIZE, |
||||
.setkey = des_setkey, |
||||
.encrypt = cbc_des_encrypt, |
||||
.decrypt = cbc_des_decrypt, |
||||
} |
||||
} |
||||
}; |
||||
|
||||
/*
|
||||
* \brief DES function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_cbc_des3_ede_alg = { |
||||
.cra_name = "cbc(des3_ede)", |
||||
.cra_driver_name = "ifxdeu-cbc(des3_ede)", |
||||
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, |
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct des_ctx), |
||||
.cra_type = &crypto_blkcipher_type, |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des3_ede_alg.cra_list), |
||||
.cra_u = { |
||||
.blkcipher = { |
||||
.min_keysize = DES3_EDE_KEY_SIZE, |
||||
.max_keysize = DES3_EDE_KEY_SIZE, |
||||
.ivsize = DES_BLOCK_SIZE, |
||||
.setkey = des3_ede_setkey, |
||||
.encrypt = cbc_des_encrypt, |
||||
.decrypt = cbc_des_decrypt, |
||||
} |
||||
} |
||||
}; |
||||
|
||||
/*! \fn int __init ifxdeu_init_des (void)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief initialize des driver |
||||
*/ |
||||
int __init ifxdeu_init_des (void) |
||||
{ |
||||
int ret = 0; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_des_alg); |
||||
if (ret < 0) |
||||
goto des_err; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_ecb_des_alg); |
||||
if (ret < 0) |
||||
goto ecb_des_err; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_cbc_des_alg); |
||||
if (ret < 0) |
||||
goto cbc_des_err; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_des3_ede_alg); |
||||
if (ret < 0) |
||||
goto des3_ede_err; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_ecb_des3_ede_alg); |
||||
if (ret < 0) |
||||
goto ecb_des3_ede_err; |
||||
|
||||
ret = crypto_register_alg(&ifxdeu_cbc_des3_ede_alg); |
||||
if (ret < 0) |
||||
goto cbc_des3_ede_err; |
||||
|
||||
des_chip_init(); |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
if (ALLOCATE_MEMORY(BUFFER_IN, DES_ALGO) < 0) { |
||||
printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); |
||||
goto cbc_des3_ede_err; |
||||
} |
||||
if (ALLOCATE_MEMORY(BUFFER_OUT, DES_ALGO) < 0) { |
||||
printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); |
||||
goto cbc_des3_ede_err; |
||||
} |
||||
#endif |
||||
|
||||
printk (KERN_NOTICE "IFX DEU DES initialized %s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
des_err: |
||||
crypto_unregister_alg(&ifxdeu_des_alg); |
||||
printk(KERN_ERR "IFX des initialization failed!\n"); |
||||
return ret; |
||||
ecb_des_err: |
||||
crypto_unregister_alg(&ifxdeu_ecb_des_alg); |
||||
printk (KERN_ERR "IFX ecb_des initialization failed!\n"); |
||||
return ret; |
||||
cbc_des_err: |
||||
crypto_unregister_alg(&ifxdeu_cbc_des_alg); |
||||
printk (KERN_ERR "IFX cbc_des initialization failed!\n"); |
||||
return ret; |
||||
des3_ede_err: |
||||
crypto_unregister_alg(&ifxdeu_des3_ede_alg); |
||||
printk(KERN_ERR "IFX des3_ede initialization failed!\n"); |
||||
return ret; |
||||
ecb_des3_ede_err: |
||||
crypto_unregister_alg(&ifxdeu_ecb_des3_ede_alg); |
||||
printk (KERN_ERR "IFX ecb_des3_ede initialization failed!\n"); |
||||
return ret; |
||||
cbc_des3_ede_err: |
||||
crypto_unregister_alg(&ifxdeu_cbc_des3_ede_alg); |
||||
printk (KERN_ERR "IFX cbc_des3_ede initialization failed!\n"); |
||||
return ret; |
||||
} |
||||
|
||||
/*! \fn void __exit ifxdeu_fini_des (void)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief unregister des driver |
||||
*/ |
||||
void __exit ifxdeu_fini_des (void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_des_alg); |
||||
crypto_unregister_alg (&ifxdeu_ecb_des_alg); |
||||
crypto_unregister_alg (&ifxdeu_cbc_des_alg); |
||||
crypto_unregister_alg (&ifxdeu_des3_ede_alg); |
||||
crypto_unregister_alg (&ifxdeu_ecb_des3_ede_alg); |
||||
crypto_unregister_alg (&ifxdeu_cbc_des3_ede_alg); |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
FREE_MEMORY(des_buff_in); |
||||
FREE_MEMORY(des_buff_out); |
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA_DANUBE */ |
||||
} |
@ -0,0 +1,190 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu.c |
||||
\ingroup IFX_DEU |
||||
\brief main deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU_FUNCTIONS IFX_DEU_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief IFX DEU functions |
||||
*/ |
||||
|
||||
/* Project header */ |
||||
#include <linux/version.h> |
||||
#if defined(CONFIG_MODVERSIONS) |
||||
#define MODVERSIONS |
||||
#include <linux/modversions.h> |
||||
#endif |
||||
#include <linux/module.h> |
||||
#include <linux/init.h> |
||||
#include <linux/types.h> |
||||
#include <linux/errno.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/proc_fs.h> |
||||
#include <linux/fs.h> /* Stuff about file systems that we need */ |
||||
#include <asm/byteorder.h> |
||||
#include <ifxmips_pmu.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
int disable_deudma = 0; |
||||
#else |
||||
int disable_deudma = 1; |
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ |
||||
|
||||
#ifdef CRYPTO_DEBUG |
||||
char deu_debug_level = 3; |
||||
#endif |
||||
|
||||
/*! \fn static int __init deu_init (void)
|
||||
* \ingroup IFX_DEU_FUNCTIONS |
||||
* \brief link all modules that have been selected in kernel config for ifx hw crypto support |
||||
* \return ret |
||||
*/ |
||||
static int __init deu_init (void) |
||||
{ |
||||
int ret = -ENOSYS; |
||||
u32 config; |
||||
|
||||
volatile struct clc_controlr_t *clc = (struct clc_controlr_t *) IFX_DEU_CLK; |
||||
|
||||
ifxmips_pmu_enable(1<<20); |
||||
|
||||
printk(KERN_INFO "Lantiq crypto hardware driver version %s\n", IFX_DEU_DRV_VERSION); |
||||
|
||||
chip_version(); |
||||
|
||||
clc->FSOE = 0; |
||||
clc->SBWE = 0; |
||||
clc->SPEN = 0; |
||||
clc->SBWE = 0; |
||||
clc->DISS = 0; |
||||
clc->DISR = 0; |
||||
|
||||
config = *IFX_DEU_ID; |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
deu_dma_init (); |
||||
#endif |
||||
|
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) |
||||
if(config & IFX_DEU_ID_DES) { |
||||
if ((ret = ifxdeu_init_des ())) { |
||||
printk (KERN_ERR "IFX DES initialization failed!\n"); |
||||
} |
||||
} else { |
||||
printk (KERN_ERR "IFX DES not supported!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) |
||||
if(config & IFX_DEU_ID_AES) { |
||||
if ((ret = ifxdeu_init_aes ())) { |
||||
printk (KERN_ERR "IFX AES initialization failed!\n"); |
||||
} |
||||
} else { |
||||
printk (KERN_ERR "IFX AES not supported!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) |
||||
if ((ret = ifxdeu_init_arc4 ())) { |
||||
printk (KERN_ERR "IFX ARC4 initialization failed!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) |
||||
if(config & IFX_DEU_ID_HASH) { |
||||
if ((ret = ifxdeu_init_sha1 ())) { |
||||
printk (KERN_ERR "IFX SHA1 initialization failed!\n"); |
||||
} |
||||
} else { |
||||
printk (KERN_ERR "IFX SHA1 not supported!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) |
||||
if(config & IFX_DEU_ID_HASH) { |
||||
if ((ret = ifxdeu_init_md5 ())) { |
||||
printk (KERN_ERR "IFX MD5 initialization failed!\n"); |
||||
} |
||||
} else { |
||||
printk (KERN_ERR "IFX MD5 not supported!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) |
||||
if ((ret = ifxdeu_init_sha1_hmac ())) { |
||||
printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n"); |
||||
} |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) |
||||
if ((ret = ifxdeu_init_md5_hmac ())) { |
||||
printk (KERN_ERR "IFX MD5_HMAC initialization failed!\n"); |
||||
} |
||||
#endif |
||||
return ret; |
||||
} |
||||
|
||||
/*! \fn static void __exit deu_fini (void)
|
||||
* \ingroup IFX_DEU_FUNCTIONS |
||||
* \brief remove the loaded crypto algorithms |
||||
*/ |
||||
static void __exit deu_fini (void) |
||||
{ |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) |
||||
ifxdeu_fini_des (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) |
||||
ifxdeu_fini_aes (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) |
||||
ifxdeu_fini_arc4 (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) |
||||
ifxdeu_fini_sha1 (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) |
||||
ifxdeu_fini_md5 (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) |
||||
ifxdeu_fini_sha1_hmac (); |
||||
#endif |
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) |
||||
ifxdeu_fini_md5_hmac (); |
||||
#endif |
||||
printk("DEU has exited successfully\n"); |
||||
|
||||
#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DMA) |
||||
ifxdeu_fini_dma(); |
||||
printk("DMA has deregistered successfully\n"); |
||||
#endif |
||||
} |
||||
|
||||
module_init (deu_init); |
||||
module_exit (deu_fini); |
||||
|
||||
MODULE_DESCRIPTION ("Infineon crypto engine support."); |
||||
MODULE_LICENSE ("GPL"); |
||||
MODULE_AUTHOR ("Mohammad Firdaus"); |
@ -0,0 +1,144 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu.h |
||||
\brief main deu driver header file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU_DEFINITIONS IFX_DEU_DEFINITIONS |
||||
\ingroup IFX_DEU |
||||
\brief ifx deu definitions |
||||
*/ |
||||
|
||||
|
||||
#ifndef IFXMIPS_DEU_H |
||||
#define IFXMIPS_DEU_H |
||||
|
||||
#define IFX_DEU_DRV_VERSION "1.0.1" |
||||
|
||||
#include "ifxmips_deu_danube.h" |
||||
|
||||
#define IFXDEU_ALIGNMENT 16 |
||||
|
||||
#define PFX "ifxdeu: " |
||||
|
||||
#define IFXDEU_CRA_PRIORITY 300 |
||||
#define IFXDEU_COMPOSITE_PRIORITY 400 |
||||
|
||||
|
||||
#define IFX_DEU_BASE_ADDR (KSEG1 | 0x1E103100) |
||||
#define IFX_DEU_CLK ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0000)) |
||||
#define IFX_DEU_ID ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0008)) |
||||
#define IFX_DES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0010)) |
||||
#define IFX_AES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0050)) |
||||
#define IFX_HASH_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x00B0)) |
||||
#define IFX_ARC4_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0100)) |
||||
|
||||
#define IFX_DEU_ID_REV 0x00001F |
||||
#define IFX_DEU_ID_ID 0x00FF00 |
||||
#define IFX_DEU_ID_DMA 0x010000 |
||||
#define IFX_DEU_ID_HASH 0x020000 |
||||
#define IFX_DEU_ID_AES 0x040000 |
||||
#define IFX_DEU_ID_3DES 0x080000 |
||||
#define IFX_DEU_ID_DES 0x100000 |
||||
|
||||
#define CRYPTO_DIR_ENCRYPT 1 |
||||
#define CRYPTO_DIR_DECRYPT 0 |
||||
|
||||
#undef CRYPTO_DEBUG |
||||
|
||||
#ifdef CRYPTO_DEBUG |
||||
extern char deu_debug_level; |
||||
#define DPRINTF(level, format, args...) if (level < deu_debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args); |
||||
#else |
||||
#define DPRINTF(level, format, args...) |
||||
#endif |
||||
|
||||
#define IFX_MPS (KSEG1 | 0x1F107000) |
||||
|
||||
#define IFX_MPS_CHIPID ((volatile u32*)(IFX_MPS + 0x0344)) |
||||
#define IFX_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & 0xF) |
||||
#define IFX_MPS_CHIPID_VERSION_SET(value) (((value) & 0xF) << 28) |
||||
#define IFX_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & 0xFFFF) |
||||
#define IFX_MPS_CHIPID_PARTNUM_SET(value) (((value) & 0xFFFF) << 12) |
||||
#define IFX_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & 0x7FF) |
||||
#define IFX_MPS_CHIPID_MANID_SET(value) (((value) & 0x7FF) << 1) |
||||
|
||||
void chip_version(void); |
||||
|
||||
int __init ifxdeu_init_des (void); |
||||
int __init ifxdeu_init_aes (void); |
||||
int __init ifxdeu_init_arc4 (void); |
||||
int __init ifxdeu_init_sha1 (void); |
||||
int __init ifxdeu_init_md5 (void); |
||||
int __init ifxdeu_init_sha1_hmac (void); |
||||
int __init ifxdeu_init_md5_hmac (void); |
||||
|
||||
void __exit ifxdeu_fini_des (void); |
||||
void __exit ifxdeu_fini_aes (void); |
||||
void __exit ifxdeu_fini_arc4 (void); |
||||
void __exit ifxdeu_fini_sha1 (void); |
||||
void __exit ifxdeu_fini_md5 (void); |
||||
void __exit ifxdeu_fini_sha1_hmac (void); |
||||
void __exit ifxdeu_fini_md5_hmac (void); |
||||
void __exit ifxdeu_fini_dma(void); |
||||
|
||||
int deu_dma_init (void); |
||||
|
||||
#define DEU_WAKELIST_INIT(queue) \ |
||||
init_waitqueue_head(&queue) |
||||
|
||||
#define DEU_WAIT_EVENT_TIMEOUT(queue, event, flags, timeout) \ |
||||
do { \
|
||||
wait_event_interruptible_timeout((queue), \
|
||||
test_bit((event), &(flags)), (timeout)); \
|
||||
clear_bit((event), &(flags)); \
|
||||
}while (0) |
||||
|
||||
|
||||
#define DEU_WAKEUP_EVENT(queue, event, flags) \ |
||||
do { \
|
||||
set_bit((event), &(flags)); \
|
||||
wake_up_interruptible(&(queue)); \
|
||||
}while (0) |
||||
|
||||
#define DEU_WAIT_EVENT(queue, event, flags) \ |
||||
do { \
|
||||
wait_event_interruptible(queue, \
|
||||
test_bit((event), &(flags))); \
|
||||
clear_bit((event), &(flags)); \
|
||||
}while (0) |
||||
|
||||
typedef struct deu_drv_priv { |
||||
wait_queue_head_t deu_thread_wait; |
||||
#define DEU_EVENT 1 |
||||
volatile long deu_event_flags; |
||||
u8 *deu_rx_buf; |
||||
u32 deu_rx_len; |
||||
}deu_drv_priv_t; |
||||
|
||||
#endif /* IFXMIPS_DEU_H */ |
@ -0,0 +1,443 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu_danube.c |
||||
\ingroup IFX_DEU |
||||
\brief board specific deu driver file for danube |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief board specific deu functions |
||||
*/ |
||||
|
||||
/* Project header files */ |
||||
#include <linux/module.h> |
||||
#include <linux/init.h> |
||||
#include <linux/types.h> |
||||
#include <linux/errno.h> |
||||
#include <asm/io.h> //dma_cache_inv |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
u32 *des_buff_in = NULL; |
||||
u32 *des_buff_out = NULL; |
||||
u32 *aes_buff_in = NULL; |
||||
u32 *aes_buff_out = NULL; |
||||
_ifx_deu_device ifx_deu[1]; |
||||
#endif |
||||
|
||||
/* Function Declerations */ |
||||
int aes_memory_allocate(int value); |
||||
int des_memory_allocate(int value); |
||||
void memory_release(u32 *addr); |
||||
int aes_chip_init (void); |
||||
void des_chip_init (void); |
||||
int deu_dma_init (void); |
||||
u32 endian_swap(u32 input); |
||||
u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); |
||||
void dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); |
||||
void __exit ifxdeu_fini_dma(void); |
||||
|
||||
#define DES_3DES_START IFX_DES_CON |
||||
#define AES_START IFX_AES_CON |
||||
|
||||
/* Variables definition */ |
||||
int ifx_danube_pre_1_4; |
||||
u8 *g_dma_page_ptr = NULL; |
||||
u8 *g_dma_block = NULL; |
||||
u8 *g_dma_block2 = NULL; |
||||
|
||||
|
||||
/*! \fn int deu_dma_init (void)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief Initialize DMA for DEU usage. DMA specific registers are |
||||
* intialized here, including a pointer to the device, memory |
||||
* space for the device and DEU-DMA descriptors |
||||
* \return -1 if fail, otherwise return 0 |
||||
*/ |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
int deu_dma_init (void) |
||||
{ |
||||
struct dma_device_info *dma_device = NULL; |
||||
int i = 0; |
||||
volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; |
||||
struct dma_device_info *deu_dma_device_ptr; |
||||
|
||||
// get one free page and share between g_dma_block and g_dma_block2
|
||||
printk("PAGE_SIZE = %ld\n", PAGE_SIZE); |
||||
g_dma_page_ptr = (u8 *)__get_free_page(GFP_KERNEL); // need 16-byte alignment memory block
|
||||
g_dma_block = g_dma_page_ptr; // need 16-byte alignment memory block
|
||||
g_dma_block2 = (u8 *)(g_dma_page_ptr + (PAGE_SIZE >> 1)); // need 16-byte alignment memory block
|
||||
|
||||
|
||||
deu_dma_device_ptr = dma_device_reserve ("DEU"); |
||||
if (!deu_dma_device_ptr) { |
||||
printk ("DEU: reserve DMA fail!\n"); |
||||
return -1; |
||||
} |
||||
ifx_deu[0].dma_device = deu_dma_device_ptr; |
||||
dma_device = deu_dma_device_ptr; |
||||
//dma_device->priv = &deu_dma_priv;
|
||||
dma_device->buffer_alloc = &deu_dma_buffer_alloc; |
||||
dma_device->buffer_free = &deu_dma_buffer_free; |
||||
dma_device->intr_handler = &deu_dma_intr_handler; |
||||
dma_device->tx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; |
||||
dma_device->rx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; |
||||
dma_device->port_num = 1; |
||||
dma_device->tx_burst_len = 4; |
||||
dma_device->max_rx_chan_num = 1; |
||||
dma_device->max_tx_chan_num = 1; |
||||
dma_device->port_packet_drop_enable = 0; |
||||
|
||||
for (i = 0; i < dma_device->max_rx_chan_num; i++) { |
||||
dma_device->rx_chan[i]->packet_size = DEU_MAX_PACKET_SIZE; |
||||
dma_device->rx_chan[i]->desc_len = 1; |
||||
dma_device->rx_chan[i]->control = IFX_DMA_CH_ON; |
||||
dma_device->rx_chan[i]->byte_offset = 0; |
||||
dma_device->rx_chan[i]->chan_poll_enable = 1; |
||||
|
||||
} |
||||
|
||||
for (i = 0; i < dma_device->max_tx_chan_num; i++) { |
||||
dma_device->tx_chan[i]->control = IFX_DMA_CH_ON; |
||||
dma_device->tx_chan[i]->desc_len = 1; |
||||
dma_device->tx_chan[i]->chan_poll_enable = 1; |
||||
} |
||||
|
||||
dma_device->current_tx_chan = 0; |
||||
dma_device->current_rx_chan = 0; |
||||
|
||||
dma_device_register (dma_device); |
||||
for (i = 0; i < dma_device->max_rx_chan_num; i++) { |
||||
(dma_device->rx_chan[i])->open (dma_device->rx_chan[i]); |
||||
} |
||||
|
||||
dma->controlr.BS = 0; |
||||
dma->controlr.RXCLS = 0; |
||||
dma->controlr.EN = 1; |
||||
|
||||
|
||||
*IFX_DMA_PS = 1; |
||||
|
||||
/* DANUBE PRE 1.4 SOFTWARE FIX */ |
||||
if (ifx_danube_pre_1_4) |
||||
*IFX_DMA_PCTRL = 0x14; |
||||
else |
||||
*IFX_DMA_PCTRL = 0xF14; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief A fix to align mis-aligned address for Danube version 1.3 chips which has |
||||
* memory alignment issues. |
||||
* \param arg Pointer to the input / output memory address |
||||
* \param buffer_alloc A pointer to the buffer |
||||
* \param in_buff Input (if == 1) or Output (if == 0) buffer |
||||
* \param nbytes Number of bytes of data |
||||
* \return returns arg: if address is aligned, buffer_alloc: if memory address is not aligned |
||||
*/ |
||||
|
||||
u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) |
||||
{ |
||||
if (ifx_danube_pre_1_4) { |
||||
/* for input buffer */ |
||||
if(in_buff) { |
||||
if (((u32) arg) & 0xF) { |
||||
memcpy(buffer_alloc, arg, nbytes); |
||||
return (u32 *) buffer_alloc; |
||||
} |
||||
else |
||||
return (u32 *) arg; |
||||
} |
||||
else { |
||||
/* for output buffer */ |
||||
if (((u32) arg) & 0x3) |
||||
return buffer_alloc; |
||||
else |
||||
return (u32 *) arg; |
||||
} |
||||
} |
||||
|
||||
return (u32 *) arg; |
||||
} |
||||
|
||||
/*! \fn void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief copy the DMA data to the memory address space for AES. The swaping of the 4 bytes |
||||
* is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy |
||||
* to out_arg pointer |
||||
* \param outcopy Pointer to the address to store swapped copy |
||||
* \param out_dma A pointer to the memory address that stores the DMA data |
||||
* \param out_arg The pointer to the memory address that needs to be copied to |
||||
* \param nbytes Number of bytes of data |
||||
*/ |
||||
|
||||
void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) |
||||
{ |
||||
int i = 0; |
||||
int x = 0; |
||||
|
||||
/* DANUBE PRE 1.4 SOFTWARE FIX */ |
||||
if (ifx_danube_pre_1_4) { |
||||
for (i = 0; i < (nbytes / 4); i++) { |
||||
x = i ^ 0x3; |
||||
outcopy[i] = out_dma[x]; |
||||
|
||||
} |
||||
if (((u32) out_arg) & 0x3) { |
||||
memcpy((u8 *)out_arg, outcopy, nbytes); |
||||
} |
||||
} |
||||
else |
||||
memcpy (out_arg, out_dma, nbytes); |
||||
} |
||||
|
||||
/*! \fn void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief copy the DMA data to the memory address space for DES. The swaping of the 4 bytes |
||||
* is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy |
||||
* to out_arg pointer |
||||
* |
||||
* \param outcopy Pointer to the address to store swapped copy |
||||
* \param out_dma A pointer to the memory address that stores the DMA data |
||||
* \param out_arg The pointer to the memory address that needs to be copied to |
||||
* \param nbytes Number of bytes of data |
||||
*/ |
||||
|
||||
void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) |
||||
{ |
||||
int i = 0; |
||||
int x = 0; |
||||
|
||||
/* DANUBE PRE 1.4 SOFTWARE FIX */ |
||||
if (ifx_danube_pre_1_4) { |
||||
for (i = 0; i < (nbytes / 4); i++) { |
||||
x = i ^ 1; |
||||
outcopy[i] = out_dma[x]; |
||||
|
||||
} |
||||
if (((u32) out_arg) & 0x3) { |
||||
memcpy((u8 *)out_arg, outcopy, nbytes); |
||||
} |
||||
} |
||||
else |
||||
memcpy (out_arg, out_dma, nbytes); |
||||
} |
||||
|
||||
/*! \fn int des_memory_allocate(int value)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief allocates memory to the necessary memory input/output buffer location, used during |
||||
* the DES algorithm DMA transfer (memory alignment issues) |
||||
* \param value value determinds whether the calling of the function is for a input buffer |
||||
* or for an output buffer memory allocation |
||||
*/ |
||||
|
||||
int des_memory_allocate(int value) |
||||
{ |
||||
if (ifx_danube_pre_1_4) { |
||||
if (value == BUFFER_IN) { |
||||
des_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); |
||||
if (!des_buff_in) |
||||
return -1; |
||||
else |
||||
return 0; |
||||
} |
||||
else { |
||||
des_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); |
||||
if (!des_buff_out) |
||||
return -1; |
||||
else |
||||
return 0; |
||||
} |
||||
} |
||||
|
||||
else |
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn int aes_memory_allocate(int value)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief allocates memory to the necessary memory input/output buffer location, used during |
||||
* the AES algorithm DMA transfer (memory alignment issues) |
||||
* \param value value determinds whether the calling of the function is for a input buffer |
||||
* or for an output buffer memory allocation |
||||
*/ |
||||
|
||||
int aes_memory_allocate(int value) |
||||
{ |
||||
if (ifx_danube_pre_1_4) { |
||||
if (value == BUFFER_IN) { |
||||
aes_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); |
||||
if (!aes_buff_in) |
||||
return -1; |
||||
else |
||||
return 0; |
||||
} |
||||
else { |
||||
aes_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); |
||||
if (!aes_buff_out) |
||||
return -1; |
||||
else |
||||
return 0; |
||||
} |
||||
} |
||||
|
||||
else |
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn void memory_release(u32 *addr)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief frees previously allocated memory |
||||
* \param addr memory address of the buffer that needs to be freed |
||||
*/ |
||||
|
||||
void memory_release(u32 *addr) |
||||
{ |
||||
if (addr) |
||||
kfree(addr); |
||||
return; |
||||
} |
||||
|
||||
/*! \fn __exit ifxdeu_fini_dma(void)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief unregister dma devices after exit |
||||
*/ |
||||
|
||||
void __exit ifxdeu_fini_dma(void) |
||||
{ |
||||
if (g_dma_page_ptr) |
||||
free_page((u32) g_dma_page_ptr); |
||||
dma_device_release(ifx_deu[0].dma_device); |
||||
dma_device_unregister(ifx_deu[0].dma_device); |
||||
|
||||
} |
||||
|
||||
#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ |
||||
|
||||
/*! \fn u32 endian_swap(u32 input)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief function is not used |
||||
* \param input Data input to be swapped |
||||
* \return input |
||||
*/ |
||||
|
||||
u32 endian_swap(u32 input) |
||||
{ |
||||
return input; |
||||
} |
||||
|
||||
/*! \fn u32 input_swap(u32 input)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief Swap the input data if the current chip is Danube version |
||||
* 1.4 and do nothing to the data if the current chip is |
||||
* Danube version 1.3 |
||||
* \param input data that needs to be swapped |
||||
* \return input or swapped input |
||||
*/ |
||||
|
||||
u32 input_swap(u32 input) |
||||
{ |
||||
if (!ifx_danube_pre_1_4) { |
||||
u8 *ptr = (u8 *)&input; |
||||
return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); |
||||
} |
||||
else |
||||
return input; |
||||
} |
||||
|
||||
|
||||
|
||||
/*! \fn void aes_chip_init (void)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief initialize AES hardware |
||||
*/ |
||||
|
||||
int aes_chip_init (void) |
||||
{ |
||||
volatile struct aes_t *aes = (struct aes_t *) AES_START; |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
//start crypto engine with write to ILR
|
||||
aes->controlr.SM = 1; |
||||
aes->controlr.ARS = 1; |
||||
#else |
||||
aes->controlr.SM = 1; |
||||
aes->controlr.ARS = 1; // 0 for dma
|
||||
#endif |
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn void des_chip_init (void)
|
||||
* \ingroup BOARD_SPECIFIC_FUNCTIONS |
||||
* \brief initialize DES hardware |
||||
*/ |
||||
|
||||
void des_chip_init (void) |
||||
{ |
||||
volatile struct des_t *des = (struct des_t *) DES_3DES_START; |
||||
|
||||
#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA |
||||
// start crypto engine with write to ILR
|
||||
des->controlr.SM = 1; |
||||
des->controlr.ARS = 1; |
||||
#else |
||||
des->controlr.SM = 1; |
||||
des->controlr.ARS = 1; // 0 for dma
|
||||
|
||||
#endif |
||||
} |
||||
|
||||
/*! \fn void chip_version (void)
|
||||
* \ingroup IFX_DES_FUNCTIONS |
||||
* \brief To find the version of the chip by looking at the chip ID |
||||
* \param ifx_danube_pre_1_4 (sets to 1 if Chip is Danube less than v1.4) |
||||
*/ |
||||
|
||||
void chip_version(void) |
||||
{ |
||||
/* DANUBE PRE 1.4 SOFTWARE FIX */ |
||||
int chip_id = 0; |
||||
chip_id = *IFX_MPS_CHIPID; |
||||
chip_id >>= 28; |
||||
|
||||
if (chip_id >= 4) { |
||||
ifx_danube_pre_1_4 = 0; |
||||
printk("Danube Chip ver. 1.4 detected. \n"); |
||||
} |
||||
else { |
||||
ifx_danube_pre_1_4 = 1; |
||||
printk("Danube Chip ver. 1.3 or below detected. \n"); |
||||
} |
||||
|
||||
return; |
||||
} |
||||
|
@ -0,0 +1,230 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus / Infineon Technologies |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu_danube.h |
||||
\brief board specific driver header file for danube |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief board specific deu header files |
||||
*/ |
||||
|
||||
#ifndef IFXMIPS_DEU_DANUBE_H |
||||
#define IFXMIPS_DEU_DANUBE_H |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_DMA |
||||
#define DEU_DWORD_REORDERING(ptr, buffer, in_out, bytes) memory_alignment(ptr, buffer, in_out, bytes) |
||||
#define AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) aes_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) |
||||
#define DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) des_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) |
||||
#define BUFFER_IN 1 |
||||
#define BUFFER_OUT 0 |
||||
#define DELAY_PERIOD 9 |
||||
#define AES_ALGO 1 |
||||
#define DES_ALGO 0 |
||||
#define FREE_MEMORY(buff) memory_release(buff) |
||||
#define ALLOCATE_MEMORY(val, type) type ? aes_memory_allocate(val) : des_memory_allocate(val) |
||||
#endif /* CONFIG_CRYPTO_DEV_DMA */ |
||||
|
||||
#define INPUT_ENDIAN_SWAP(input) input_swap(input) |
||||
#define DEU_ENDIAN_SWAP(input) endian_swap(input) |
||||
#define AES_DMA_MISC_CONFIG() |
||||
|
||||
#define WAIT_AES_DMA_READY() \ |
||||
do { \
|
||||
int i; \
|
||||
volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \
|
||||
volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \
|
||||
for (i = 0; i < 10; i++) \
|
||||
udelay(DELAY_PERIOD); \
|
||||
while (dma->controlr.BSY) {}; \
|
||||
while (aes->controlr.BUS) {}; \
|
||||
} while (0) |
||||
|
||||
#define WAIT_DES_DMA_READY() \ |
||||
do { \
|
||||
int i; \
|
||||
volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \
|
||||
volatile struct des_t *des = (struct des_t *) DES_3DES_START; \
|
||||
for (i = 0; i < 10; i++) \
|
||||
udelay(DELAY_PERIOD); \
|
||||
while (dma->controlr.BSY) {}; \
|
||||
while (des->controlr.BUS) {}; \
|
||||
} while (0) |
||||
|
||||
#define SHA_HASH_INIT \ |
||||
do { \
|
||||
volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; \
|
||||
hash->controlr.SM = 1; \
|
||||
hash->controlr.ALGO = 0; \
|
||||
hash->controlr.INIT = 1; \
|
||||
} while(0) |
||||
|
||||
/* DEU STRUCTURES */ |
||||
|
||||
struct clc_controlr_t { |
||||
u32 Res:26; |
||||
u32 FSOE:1; |
||||
u32 SBWE:1; |
||||
u32 EDIS:1; |
||||
u32 SPEN:1; |
||||
u32 DISS:1; |
||||
u32 DISR:1; |
||||
|
||||
}; |
||||
|
||||
struct des_t { |
||||
struct des_controlr { |
||||
u32 KRE:1; |
||||
u32 reserved1:5; |
||||
u32 GO:1; |
||||
u32 STP:1; |
||||
u32 Res2:6; |
||||
u32 NDC:1; |
||||
u32 ENDI:1; |
||||
u32 Res3:2; |
||||
u32 F:3; |
||||
u32 O:3; |
||||
u32 BUS:1; |
||||
u32 DAU:1; |
||||
u32 ARS:1; |
||||
u32 SM:1; |
||||
u32 E_D:1; |
||||
u32 M:3; |
||||
|
||||
} controlr; |
||||
u32 IHR; |
||||
u32 ILR; |
||||
u32 K1HR; |
||||
u32 K1LR; |
||||
u32 K2HR; |
||||
u32 K2LR; |
||||
u32 K3HR; |
||||
u32 K3LR; |
||||
u32 IVHR; |
||||
u32 IVLR; |
||||
u32 OHR; |
||||
u32 OLR; |
||||
}; |
||||
|
||||
struct aes_t { |
||||
struct aes_controlr { |
||||
|
||||
u32 KRE:1; |
||||
u32 reserved1:4; |
||||
u32 PNK:1; |
||||
u32 GO:1; |
||||
u32 STP:1; |
||||
|
||||
u32 reserved2:6; |
||||
u32 NDC:1; |
||||
u32 ENDI:1; |
||||
u32 reserved3:2; |
||||
|
||||
u32 F:3; //fbs
|
||||
u32 O:3; //om
|
||||
u32 BUS:1; //bsy
|
||||
u32 DAU:1; |
||||
u32 ARS:1; |
||||
u32 SM:1; |
||||
u32 E_D:1; |
||||
u32 KV:1; |
||||
u32 K:2; //KL
|
||||
|
||||
} controlr; |
||||
u32 ID3R; //80h
|
||||
u32 ID2R; //84h
|
||||
u32 ID1R; //88h
|
||||
u32 ID0R; //8Ch
|
||||
u32 K7R; //90h
|
||||
u32 K6R; //94h
|
||||
u32 K5R; //98h
|
||||
u32 K4R; //9Ch
|
||||
u32 K3R; //A0h
|
||||
u32 K2R; //A4h
|
||||
u32 K1R; //A8h
|
||||
u32 K0R; //ACh
|
||||
u32 IV3R; //B0h
|
||||
u32 IV2R; //B4h
|
||||
u32 IV1R; //B8h
|
||||
u32 IV0R; //BCh
|
||||
u32 OD3R; //D4h
|
||||
u32 OD2R; //D8h
|
||||
u32 OD1R; //DCh
|
||||
u32 OD0R; //E0h
|
||||
}; |
||||
|
||||
struct deu_hash_t { |
||||
struct hash_controlr { |
||||
u32 reserved1:5; |
||||
u32 KHS:1; |
||||
u32 GO:1; |
||||
u32 INIT:1; |
||||
u32 reserved2:6; |
||||
u32 NDC:1; |
||||
u32 ENDI:1; |
||||
u32 reserved3:7; |
||||
u32 DGRY:1; |
||||
u32 BSY:1; |
||||
u32 reserved4:1; |
||||
u32 IRCL:1; |
||||
u32 SM:1; |
||||
u32 KYUE:1; |
||||
u32 HMEN:1; |
||||
u32 SSEN:1; |
||||
u32 ALGO:1; |
||||
|
||||
} controlr; |
||||
u32 MR; //B4h
|
||||
u32 D1R; //B8h
|
||||
u32 D2R; //BCh
|
||||
u32 D3R; //C0h
|
||||
u32 D4R; //C4h
|
||||
u32 D5R; //C8h
|
||||
|
||||
u32 dummy; //CCh
|
||||
|
||||
u32 KIDX; //D0h
|
||||
u32 KEY; //D4h
|
||||
u32 DBN; //D8h
|
||||
}; |
||||
|
||||
struct deu_dma_t { |
||||
struct dma_controlr { |
||||
u32 reserved1:22; |
||||
u32 BS:2; |
||||
u32 BSY:1; |
||||
u32 reserved2:1; |
||||
u32 ALGO:2; |
||||
u32 RXCLS:2; |
||||
u32 reserved3:1; |
||||
u32 EN:1; |
||||
|
||||
} controlr; |
||||
}; |
||||
|
||||
#endif /* IFXMIPS_DEU_DANUBE_H */ |
@ -0,0 +1,150 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup IFX_API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu_dma.c |
||||
\ingroup IFX_DEU |
||||
\brief DMA deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DMA_FUNCTIONS IFX_DMA_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief deu-dma driver functions |
||||
*/ |
||||
|
||||
/* Project header files */ |
||||
#include <linux/module.h> |
||||
#include <linux/init.h> |
||||
#include <linux/types.h> |
||||
#include <linux/errno.h> |
||||
#include <linux/delay.h> |
||||
#include <asm/io.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
extern _ifx_deu_device ifx_deu[1]; |
||||
extern spinlock_t ifx_deu_lock; |
||||
|
||||
//extern deu_drv_priv_t deu_dma_priv;
|
||||
|
||||
/*! \fn int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status)
|
||||
* \ingroup IFX_DMA_FUNCTIONS |
||||
* \brief callback function for deu dma interrupt |
||||
* \param dma_dev dma device |
||||
* \param status not used |
||||
*/ |
||||
int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) |
||||
{ |
||||
#if 0 |
||||
int len = 0; |
||||
while (len <= 20000) { len++; } |
||||
u8 *buf; |
||||
int len = 0; |
||||
|
||||
|
||||
deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_dev->priv; |
||||
//printk("status:%d \n",status);
|
||||
switch(status) { |
||||
case RCV_INT: |
||||
len = dma_device_read(dma_dev, (u8 **)&buf, NULL); |
||||
if ( len != deu_priv->deu_rx_len) { |
||||
printk(KERN_ERR "%s packet length %d is not equal to expect %d\n", |
||||
__func__, len, deu_priv->deu_rx_len); |
||||
return -1; |
||||
} |
||||
memcpy(deu_priv->deu_rx_buf, buf, deu_priv->deu_rx_len); |
||||
/* Reset for next usage */ |
||||
deu_priv->deu_rx_buf = NULL; |
||||
deu_priv->deu_rx_len = 0; |
||||
DEU_WAKEUP_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); |
||||
break; |
||||
case TX_BUF_FULL_INT: |
||||
// delay for buffer to be cleared
|
||||
while (len <= 20000) { len++; } |
||||
break; |
||||
|
||||
case TRANSMIT_CPT_INT: |
||||
break; |
||||
default: |
||||
break; |
||||
} |
||||
#endif |
||||
return 0; |
||||
} |
||||
|
||||
extern u8 *g_dma_block; |
||||
extern u8 *g_dma_block2; |
||||
|
||||
/*! \fn u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt)
|
||||
* \ingroup IFX_DMA_FUNCTIONS |
||||
* \brief callback function for allocating buffers for dma receive descriptors |
||||
* \param len not used |
||||
* \param byte_offset dma byte offset |
||||
* \param *opt not used |
||||
* |
||||
*/ |
||||
u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) |
||||
{ |
||||
u8 *swap = NULL; |
||||
|
||||
// dma-core needs at least 2 blocks of memory
|
||||
swap = g_dma_block; |
||||
g_dma_block = g_dma_block2; |
||||
g_dma_block2 = swap; |
||||
|
||||
//dma_cache_wback_inv((unsigned long) g_dma_block, (PAGE_SIZE >> 1));
|
||||
*byte_offset = 0; |
||||
|
||||
return g_dma_block; |
||||
} |
||||
|
||||
/*! \fn int deu_dma_buffer_free (u8 * dataptr, void *opt)
|
||||
* \ingroup IFX_DMA_FUNCTIONS |
||||
* \brief callback function for freeing dma transmit descriptors |
||||
* \param dataptr data pointer to be freed |
||||
* \param opt not used |
||||
*/ |
||||
int deu_dma_buffer_free (u8 *dataptr, void *opt) |
||||
{ |
||||
#if 0 |
||||
printk("Trying to free memory buffer\n"); |
||||
if (dataptr == NULL && opt == NULL) |
||||
return 0; |
||||
else if (opt == NULL) { |
||||
kfree(dataptr); |
||||
return 1; |
||||
} |
||||
else if (dataptr == NULL) { |
||||
kfree(opt); |
||||
return 1; |
||||
} |
||||
else { |
||||
kfree(opt); |
||||
kfree(dataptr); |
||||
} |
||||
#endif |
||||
return 0; |
||||
} |
||||
|
@ -0,0 +1,70 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\addtogroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_deu_dma.h |
||||
\ingroup IFX_DEU |
||||
\brief DMA deu driver header file |
||||
*/ |
||||
|
||||
#ifndef IFXMIPS_DEU_DMA_H |
||||
#define IFXMIPS_DEU_DMA_H |
||||
|
||||
#include <linux/init.h> |
||||
#include <linux/module.h> |
||||
#include <linux/mm.h> |
||||
#include <linux/crypto.h> |
||||
#include <asm/scatterlist.h> |
||||
#include <asm/byteorder.h> |
||||
#include <linux/skbuff.h> |
||||
#include <linux/netdevice.h> |
||||
|
||||
// must match the size of memory block allocated for g_dma_block and g_dma_block2
|
||||
#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1) |
||||
|
||||
typedef struct ifx_deu_device { |
||||
struct dma_device_info *dma_device; |
||||
u8 *dst; |
||||
u8 *src; |
||||
int len; |
||||
int dst_count; |
||||
int src_count; |
||||
int recv_count; |
||||
int packet_size; |
||||
int packet_num; |
||||
wait_queue_t wait; |
||||
} _ifx_deu_device; |
||||
|
||||
extern _ifx_deu_device ifx_deu[1]; |
||||
|
||||
extern int deu_dma_intr_handler (struct dma_device_info *, int); |
||||
extern u8 *deu_dma_buffer_alloc (int, int *, void **); |
||||
extern int deu_dma_buffer_free (u8 *, void *); |
||||
extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev); |
||||
extern void deu_dma_activate_poll (struct dma_device_info* dma_dev); |
||||
extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device); |
||||
extern int deu_dma_release(struct dma_device_info** dma_device); |
||||
|
||||
#endif /* IFMIPS_DEU_DMA_H */ |
@ -0,0 +1,264 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_md5.c |
||||
\ingroup IFX_DEU |
||||
\brief MD5 encryption deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_MD5_FUNCTIONS IFX_MD5_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief ifx deu MD5 functions |
||||
*/ |
||||
|
||||
/*Project header files */ |
||||
#include <linux/init.h> |
||||
#include <linux/module.h> |
||||
#include <linux/string.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/types.h> |
||||
#include <asm/byteorder.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#define MD5_DIGEST_SIZE 16 |
||||
#define MD5_HMAC_BLOCK_SIZE 64 |
||||
#define MD5_BLOCK_WORDS 16 |
||||
#define MD5_HASH_WORDS 4 |
||||
#define HASH_START IFX_HASH_CON |
||||
|
||||
static spinlock_t lock; |
||||
#define CRTCL_SECT_INIT spin_lock_init(&lock) |
||||
#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) |
||||
#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) |
||||
|
||||
struct md5_ctx { |
||||
u32 hash[MD5_HASH_WORDS]; |
||||
u32 block[MD5_BLOCK_WORDS]; |
||||
u64 byte_count; |
||||
}; |
||||
|
||||
extern int disable_deudma; |
||||
|
||||
/*! \fn static u32 endian_swap(u32 input)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief perform dword level endian swap |
||||
* \param input value of dword that requires to be swapped |
||||
*/ |
||||
static u32 endian_swap(u32 input) |
||||
{ |
||||
u8 *ptr = (u8 *)&input; |
||||
|
||||
return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); |
||||
} |
||||
|
||||
/*! \fn static void md5_transform(u32 *hash, u32 const *in)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief main interface to md5 hardware |
||||
* \param hash current hash value |
||||
* \param in 64-byte block of input |
||||
*/ |
||||
static void md5_transform(u32 *hash, u32 const *in) |
||||
{ |
||||
int i; |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
ulong flag; |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
for (i = 0; i < 16; i++) { |
||||
hashs->MR = endian_swap(in[i]); |
||||
}; |
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
CRTCL_SECT_END; |
||||
} |
||||
|
||||
/*! \fn static inline void md5_transform_helper(struct md5_ctx *ctx)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief interfacing function for md5_transform() |
||||
* \param ctx crypto context |
||||
*/ |
||||
static inline void md5_transform_helper(struct md5_ctx *ctx) |
||||
{ |
||||
//le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));
|
||||
md5_transform(ctx->hash, ctx->block); |
||||
} |
||||
|
||||
/*! \fn static void md5_init(struct crypto_tfm *tfm)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief initialize md5 hardware |
||||
* \param tfm linux crypto algo transform |
||||
*/ |
||||
static void md5_init(struct crypto_tfm *tfm) |
||||
{ |
||||
struct md5_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; |
||||
|
||||
hash->controlr.SM = 1; |
||||
hash->controlr.ALGO = 1; // 1 = md5 0 = sha1
|
||||
hash->controlr.INIT = 1; // Initialize the hash operation by writing a '1' to the INIT bit.
|
||||
|
||||
mctx->byte_count = 0; |
||||
} |
||||
|
||||
/*! \fn static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief on-the-fly md5 computation |
||||
* \param tfm linux crypto algo transform |
||||
* \param data input data |
||||
* \param len size of input data |
||||
*/ |
||||
static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) |
||||
{ |
||||
struct md5_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); |
||||
|
||||
mctx->byte_count += len; |
||||
|
||||
if (avail > len) { |
||||
memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), |
||||
data, len); |
||||
return; |
||||
} |
||||
|
||||
memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), |
||||
data, avail); |
||||
|
||||
md5_transform_helper(mctx); |
||||
data += avail; |
||||
len -= avail; |
||||
|
||||
while (len >= sizeof(mctx->block)) { |
||||
memcpy(mctx->block, data, sizeof(mctx->block)); |
||||
md5_transform_helper(mctx); |
||||
data += sizeof(mctx->block); |
||||
len -= sizeof(mctx->block); |
||||
} |
||||
|
||||
memcpy(mctx->block, data, len); |
||||
} |
||||
|
||||
/*! \fn static void md5_final(struct crypto_tfm *tfm, u8 *out)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief compute final md5 value |
||||
* \param tfm linux crypto algo transform |
||||
* \param out final md5 output value |
||||
*/ |
||||
static void md5_final(struct crypto_tfm *tfm, u8 *out) |
||||
{ |
||||
struct md5_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
const unsigned int offset = mctx->byte_count & 0x3f; |
||||
char *p = (char *)mctx->block + offset; |
||||
int padding = 56 - (offset + 1); |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
u32 flag; |
||||
|
||||
*p++ = 0x80; |
||||
if (padding < 0) { |
||||
memset(p, 0x00, padding + sizeof (u64)); |
||||
md5_transform_helper(mctx); |
||||
p = (char *)mctx->block; |
||||
padding = 56; |
||||
} |
||||
|
||||
memset(p, 0, padding); |
||||
mctx->block[14] = endian_swap(mctx->byte_count << 3); |
||||
mctx->block[15] = endian_swap(mctx->byte_count >> 29); |
||||
|
||||
#if 0 |
||||
le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - |
||||
sizeof(u64)) / sizeof(u32)); |
||||
#endif |
||||
|
||||
md5_transform(mctx->hash, mctx->block); |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
*((u32 *) out + 0) = endian_swap (hashs->D1R); |
||||
*((u32 *) out + 1) = endian_swap (hashs->D2R); |
||||
*((u32 *) out + 2) = endian_swap (hashs->D3R); |
||||
*((u32 *) out + 3) = endian_swap (hashs->D4R); |
||||
|
||||
CRTCL_SECT_END; |
||||
|
||||
// Wipe context
|
||||
memset(mctx, 0, sizeof(*mctx)); |
||||
} |
||||
|
||||
/*
|
||||
* \brief MD5 function mappings |
||||
*/ |
||||
static struct crypto_alg ifxdeu_md5_alg = { |
||||
.cra_name = "md5", |
||||
.cra_driver_name = "ifxdeu-md5", |
||||
.cra_flags = CRYPTO_ALG_TYPE_DIGEST, |
||||
.cra_blocksize = MD5_HMAC_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct md5_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_md5_alg.cra_list), |
||||
.cra_u = { .digest = { |
||||
.dia_digestsize = MD5_DIGEST_SIZE, |
||||
.dia_init = md5_init, |
||||
.dia_update = md5_update, |
||||
.dia_final = md5_final } } |
||||
}; |
||||
|
||||
/*! \fn int __init ifxdeu_init_md5 (void)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief initialize md5 driver |
||||
*/ |
||||
int __init ifxdeu_init_md5 (void) |
||||
{ |
||||
int ret; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_md5_alg))) |
||||
goto md5_err; |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
printk (KERN_NOTICE "IFX DEU MD5 initialized%s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
md5_err: |
||||
printk(KERN_ERR "IFX DEU MD5 initialization failed!\n"); |
||||
return ret; |
||||
} |
||||
|
||||
/*! \fn void __exit ifxdeu_fini_md5 (void)
|
||||
* \ingroup IFX_MD5_FUNCTIONS |
||||
* \brief unregister md5 driver |
||||
*/ |
||||
|
||||
void __exit ifxdeu_fini_md5 (void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_md5_alg); |
||||
} |
||||
|
@ -0,0 +1,307 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_md5_hmac.c |
||||
\ingroup IFX_DEU |
||||
\brief MD5-HMAC encryption deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_MD5_HMAC_FUNCTIONS IFX_MD5_HMAC_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief ifx md5-hmac driver functions |
||||
*/ |
||||
|
||||
/* Project Header files */ |
||||
#include <linux/init.h> |
||||
#include <linux/module.h> |
||||
#include <linux/string.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/types.h> |
||||
#include <asm/byteorder.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#define MD5_DIGEST_SIZE 16 |
||||
#define MD5_HMAC_BLOCK_SIZE 64 |
||||
#define MD5_BLOCK_WORDS 16 |
||||
#define MD5_HASH_WORDS 4 |
||||
#define MD5_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround
|
||||
#define HASH_START IFX_HASH_CON |
||||
|
||||
static spinlock_t lock; |
||||
#define CRTCL_SECT_INIT spin_lock_init(&lock) |
||||
#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) |
||||
#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) |
||||
|
||||
struct md5_hmac_ctx { |
||||
u32 hash[MD5_HASH_WORDS]; |
||||
u32 block[MD5_BLOCK_WORDS]; |
||||
u64 byte_count; |
||||
u32 dbn; |
||||
u32 temp[MD5_HMAC_DBN_TEMP_SIZE]; |
||||
}; |
||||
|
||||
extern int disable_deudma; |
||||
|
||||
/*! \fn static u32 endian_swap(u32 input)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief perform dword level endian swap |
||||
* \param input value of dword that requires to be swapped |
||||
*/ |
||||
static u32 endian_swap(u32 input) |
||||
{ |
||||
u8 *ptr = (u8 *)&input; |
||||
|
||||
return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); |
||||
} |
||||
|
||||
/*! \fn static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief save input block to context |
||||
* \param tfm linux crypto algo transform |
||||
* \param in 64-byte block of input |
||||
*/ |
||||
static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) |
||||
{ |
||||
struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
|
||||
memcpy(&mctx->temp[mctx->dbn<<4], in, 64); //dbn workaround
|
||||
mctx->dbn += 1; |
||||
|
||||
if ( (mctx->dbn<<4) > MD5_HMAC_DBN_TEMP_SIZE ) |
||||
{ |
||||
printk("MD5_HMAC_DBN_TEMP_SIZE exceeded\n"); |
||||
} |
||||
|
||||
} |
||||
|
||||
/*! \fn int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief sets md5 hmac key |
||||
* \param tfm linux crypto algo transform |
||||
* \param key input key |
||||
* \param keylen key length greater than 64 bytes IS NOT SUPPORTED |
||||
*/ |
||||
int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) |
||||
{ |
||||
volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; |
||||
int i, j; |
||||
u32 *in_key = (u32 *)key; |
||||
|
||||
hash->KIDX = 0x80000000; // reset all 16 words of the key to '0'
|
||||
asm("sync"); |
||||
|
||||
j = 0; |
||||
for (i = 0; i < keylen; i+=4) |
||||
{ |
||||
hash->KIDX = j; |
||||
asm("sync"); |
||||
hash->KEY = *((u32 *) in_key + j); |
||||
j++; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn void md5_hmac_init(struct crypto_tfm *tfm)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief initialize md5 hmac context |
||||
* \param tfm linux crypto algo transform |
||||
*/ |
||||
void md5_hmac_init(struct crypto_tfm *tfm) |
||||
{ |
||||
struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
|
||||
memset(mctx, 0, sizeof(struct md5_hmac_ctx)); |
||||
mctx->dbn = 0; //dbn workaround
|
||||
} |
||||
|
||||
/*! \fn void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief on-the-fly md5 hmac computation |
||||
* \param tfm linux crypto algo transform |
||||
* \param data input data |
||||
* \param len size of input data |
||||
*/ |
||||
void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) |
||||
{ |
||||
struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); |
||||
|
||||
mctx->byte_count += len; |
||||
|
||||
if (avail > len) { |
||||
memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), |
||||
data, len); |
||||
return; |
||||
} |
||||
|
||||
memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), |
||||
data, avail); |
||||
|
||||
md5_hmac_transform(tfm, mctx->block); |
||||
data += avail; |
||||
len -= avail; |
||||
|
||||
while (len >= sizeof(mctx->block)) { |
||||
memcpy(mctx->block, data, sizeof(mctx->block)); |
||||
md5_hmac_transform(tfm, mctx->block); |
||||
data += sizeof(mctx->block); |
||||
len -= sizeof(mctx->block); |
||||
} |
||||
|
||||
memcpy(mctx->block, data, len); |
||||
|
||||
} |
||||
|
||||
/*! \fn void md5_hmac_final(struct crypto_tfm *tfm, u8 *out)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief compute final md5 hmac value |
||||
* \param tfm linux crypto algo transform |
||||
* \param out final md5 hmac output value |
||||
*/ |
||||
void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) |
||||
{ |
||||
struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); |
||||
const unsigned int offset = mctx->byte_count & 0x3f; |
||||
char *p = (char *)mctx->block + offset; |
||||
int padding = 56 - (offset + 1); |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
u32 flag; |
||||
int i = 0; |
||||
int dbn; |
||||
u32 *in = &mctx->temp[0]; |
||||
|
||||
*p++ = 0x80; |
||||
if (padding < 0) { |
||||
memset(p, 0x00, padding + sizeof (u64)); |
||||
md5_hmac_transform(tfm, mctx->block); |
||||
p = (char *)mctx->block; |
||||
padding = 56; |
||||
} |
||||
|
||||
memset(p, 0, padding); |
||||
mctx->block[14] = endian_swap((mctx->byte_count + 64) << 3); // need to add 512 bit of the IPAD operation
|
||||
mctx->block[15] = 0x00000000; |
||||
|
||||
md5_hmac_transform(tfm, mctx->block); |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
printk("dbn = %d\n", mctx->dbn); |
||||
hashs->DBN = mctx->dbn; |
||||
|
||||
*IFX_HASH_CON = 0x0703002D; //khs, go, init, ndc, endi, kyue, hmen, md5
|
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
for (dbn = 0; dbn < mctx->dbn; dbn++) |
||||
{ |
||||
for (i = 0; i < 16; i++) { |
||||
hashs->MR = in[i]; |
||||
}; |
||||
|
||||
hashs->controlr.GO = 1; |
||||
asm("sync"); |
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
in += 16; |
||||
} |
||||
|
||||
|
||||
#if 1 |
||||
//wait for digest ready
|
||||
while (! hashs->controlr.DGRY) { |
||||
// this will not take long
|
||||
} |
||||
#endif |
||||
|
||||
*((u32 *) out + 0) = hashs->D1R; |
||||
*((u32 *) out + 1) = hashs->D2R; |
||||
*((u32 *) out + 2) = hashs->D3R; |
||||
*((u32 *) out + 3) = hashs->D4R; |
||||
*((u32 *) out + 4) = hashs->D5R; |
||||
|
||||
CRTCL_SECT_END; |
||||
} |
||||
|
||||
/*
|
||||
* \brief MD5_HMAC function mappings |
||||
*/ |
||||
|
||||
static struct crypto_alg ifxdeu_md5_hmac_alg = { |
||||
.cra_name = "hmac(md5)", |
||||
.cra_driver_name = "ifxdeu-md5_hmac", |
||||
.cra_flags = CRYPTO_ALG_TYPE_DIGEST, |
||||
.cra_blocksize = MD5_HMAC_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct md5_hmac_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_md5_hmac_alg.cra_list), |
||||
.cra_u = { .digest = { |
||||
.dia_digestsize = MD5_DIGEST_SIZE, |
||||
.dia_setkey = md5_hmac_setkey, |
||||
.dia_init = md5_hmac_init, |
||||
.dia_update = md5_hmac_update, |
||||
.dia_final = md5_hmac_final } } |
||||
}; |
||||
|
||||
/*! \fn int __init ifxdeu_init_md5_hmac (void)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief initialize md5 hmac driver |
||||
*/ |
||||
int __init ifxdeu_init_md5_hmac (void) |
||||
{ |
||||
int ret; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_md5_hmac_alg))) |
||||
goto md5_hmac_err; |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
printk (KERN_NOTICE "IFX DEU MD5_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
md5_hmac_err: |
||||
printk(KERN_ERR "IFX DEU MD5_HMAC initialization failed!\n"); |
||||
return ret; |
||||
} |
||||
|
||||
/** \fn void __exit ifxdeu_fini_md5_hmac (void)
|
||||
* \ingroup IFX_MD5_HMAC_FUNCTIONS |
||||
* \brief unregister md5 hmac driver |
||||
*/ |
||||
void __exit ifxdeu_fini_md5_hmac (void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_md5_hmac_alg); |
||||
} |
||||
|
@ -0,0 +1,244 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_sha1.c |
||||
\ingroup IFX_DEU |
||||
\brief SHA1 encryption deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_SHA1_FUNCTIONS IFX_SHA1_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief ifx deu sha1 functions |
||||
*/ |
||||
|
||||
|
||||
/* Project header */ |
||||
#include <linux/init.h> |
||||
#include <linux/module.h> |
||||
#include <linux/mm.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/cryptohash.h> |
||||
#include <linux/types.h> |
||||
#include <asm/scatterlist.h> |
||||
#include <asm/byteorder.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#define SHA1_DIGEST_SIZE 20 |
||||
#define SHA1_HMAC_BLOCK_SIZE 64 |
||||
#define HASH_START IFX_HASH_CON |
||||
|
||||
static spinlock_t lock; |
||||
#define CRTCL_SECT_INIT spin_lock_init(&lock) |
||||
#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) |
||||
#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) |
||||
|
||||
/*
|
||||
* \brief SHA1 private structure |
||||
*/ |
||||
struct sha1_ctx { |
||||
u64 count; |
||||
u32 state[5]; |
||||
u8 buffer[64]; |
||||
}; |
||||
|
||||
extern int disable_deudma; |
||||
|
||||
|
||||
/*! \fn static void sha1_transform (u32 *state, const u32 *in)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief main interface to sha1 hardware |
||||
* \param state current state |
||||
* \param in 64-byte block of input |
||||
*/ |
||||
static void sha1_transform (u32 *state, const u32 *in) |
||||
{ |
||||
int i = 0; |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
u32 flag; |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
for (i = 0; i < 16; i++) { |
||||
hashs->MR = in[i]; |
||||
}; |
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
CRTCL_SECT_END; |
||||
} |
||||
|
||||
/*! \fn static void sha1_init(struct crypto_tfm *tfm)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief initialize sha1 hardware |
||||
* \param tfm linux crypto algo transform |
||||
*/ |
||||
static void sha1_init(struct crypto_tfm *tfm) |
||||
{ |
||||
struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
|
||||
SHA_HASH_INIT; |
||||
|
||||
sctx->count = 0; |
||||
} |
||||
|
||||
/*! \fn static void sha1_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief on-the-fly sha1 computation |
||||
* \param tfm linux crypto algo transform |
||||
* \param data input data |
||||
* \param len size of input data |
||||
*/ |
||||
static void sha1_update(struct crypto_tfm *tfm, const u8 *data, |
||||
unsigned int len) |
||||
{ |
||||
struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
unsigned int i, j; |
||||
|
||||
j = (sctx->count >> 3) & 0x3f; |
||||
sctx->count += len << 3; |
||||
|
||||
if ((j + len) > 63) { |
||||
memcpy (&sctx->buffer[j], data, (i = 64 - j)); |
||||
sha1_transform (sctx->state, (const u32 *)sctx->buffer); |
||||
for (; i + 63 < len; i += 64) { |
||||
sha1_transform (sctx->state, (const u32 *)&data[i]); |
||||
} |
||||
|
||||
j = 0; |
||||
} |
||||
else |
||||
i = 0; |
||||
|
||||
memcpy (&sctx->buffer[j], &data[i], len - i); |
||||
} |
||||
|
||||
/*! \fn static void sha1_final(struct crypto_tfm *tfm, u8 *out)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief compute final sha1 value |
||||
* \param tfm linux crypto algo transform |
||||
* \param out final md5 output value |
||||
*/ |
||||
static void sha1_final(struct crypto_tfm *tfm, u8 *out) |
||||
{ |
||||
struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
u32 index, padlen; |
||||
u64 t; |
||||
u8 bits[8] = { 0, }; |
||||
static const u8 padding[64] = { 0x80, }; |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
ulong flag; |
||||
|
||||
t = sctx->count; |
||||
bits[7] = 0xff & t; |
||||
t >>= 8; |
||||
bits[6] = 0xff & t; |
||||
t >>= 8; |
||||
bits[5] = 0xff & t; |
||||
t >>= 8; |
||||
bits[4] = 0xff & t; |
||||
t >>= 8; |
||||
bits[3] = 0xff & t; |
||||
t >>= 8; |
||||
bits[2] = 0xff & t; |
||||
t >>= 8; |
||||
bits[1] = 0xff & t; |
||||
t >>= 8; |
||||
bits[0] = 0xff & t; |
||||
|
||||
/* Pad out to 56 mod 64 */ |
||||
index = (sctx->count >> 3) & 0x3f; |
||||
padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); |
||||
sha1_update (tfm, padding, padlen); |
||||
|
||||
/* Append length */ |
||||
sha1_update (tfm, bits, sizeof bits); |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
*((u32 *) out + 0) = hashs->D1R; |
||||
*((u32 *) out + 1) = hashs->D2R; |
||||
*((u32 *) out + 2) = hashs->D3R; |
||||
*((u32 *) out + 3) = hashs->D4R; |
||||
*((u32 *) out + 4) = hashs->D5R; |
||||
|
||||
CRTCL_SECT_END; |
||||
|
||||
// Wipe context
|
||||
memset (sctx, 0, sizeof *sctx); |
||||
} |
||||
|
||||
/*
|
||||
* \brief SHA1 function mappings |
||||
*/ |
||||
struct crypto_alg ifxdeu_sha1_alg = { |
||||
.cra_name = "sha1", |
||||
.cra_driver_name= "ifxdeu-sha1", |
||||
.cra_flags = CRYPTO_ALG_TYPE_DIGEST, |
||||
.cra_blocksize = SHA1_HMAC_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct sha1_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_alignmask = 3, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_sha1_alg.cra_list), |
||||
.cra_u = { .digest = { |
||||
.dia_digestsize = SHA1_DIGEST_SIZE, |
||||
.dia_init = sha1_init, |
||||
.dia_update = sha1_update, |
||||
.dia_final = sha1_final } } |
||||
}; |
||||
|
||||
/*! \fn int __init ifxdeu_init_sha1 (void)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief initialize sha1 driver |
||||
*/ |
||||
int __init ifxdeu_init_sha1 (void) |
||||
{ |
||||
int ret; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_sha1_alg))) |
||||
goto sha1_err; |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
printk (KERN_NOTICE "IFX DEU SHA1 initialized%s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
sha1_err: |
||||
printk(KERN_ERR "IFX DEU SHA1 initialization failed!\n"); |
||||
return ret; |
||||
} |
||||
|
||||
/*! \fn void __exit ifxdeu_fini_sha1 (void)
|
||||
* \ingroup IFX_SHA1_FUNCTIONS |
||||
* \brief unregister sha1 driver |
||||
*/ |
||||
void __exit ifxdeu_fini_sha1 (void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_sha1_alg); |
||||
} |
@ -0,0 +1,308 @@ |
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* 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 for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
||||
* |
||||
* Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> |
||||
* Copyright (C) 2009 Mohammad Firdaus |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_DEU IFX_DEU_DRIVERS |
||||
\ingroup API |
||||
\brief ifx deu driver module |
||||
*/ |
||||
|
||||
/*!
|
||||
\file ifxmips_sha1_hmac.c |
||||
\ingroup IFX_DEU |
||||
\brief SHA1-HMAC deu driver file |
||||
*/ |
||||
|
||||
/*!
|
||||
\defgroup IFX_SHA1_HMAC_FUNCTIONS IFX_SHA1_HMAC_FUNCTIONS |
||||
\ingroup IFX_DEU |
||||
\brief ifx sha1 hmac functions |
||||
*/ |
||||
|
||||
|
||||
/* Project header */ |
||||
#include <linux/init.h> |
||||
#include <linux/module.h> |
||||
#include <linux/mm.h> |
||||
#include <linux/crypto.h> |
||||
#include <linux/cryptohash.h> |
||||
#include <linux/types.h> |
||||
#include <asm/scatterlist.h> |
||||
#include <asm/byteorder.h> |
||||
#include <linux/delay.h> |
||||
#include "ifxmips_deu.h" |
||||
|
||||
#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC |
||||
|
||||
#define SHA1_DIGEST_SIZE 20 |
||||
#define SHA1_HMAC_BLOCK_SIZE 64 |
||||
#define SHA1_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround
|
||||
#define HASH_START IFX_HASH_CON |
||||
|
||||
static spinlock_t lock; |
||||
#define CRTCL_SECT_INIT spin_lock_init(&lock) |
||||
#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) |
||||
#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) |
||||
|
||||
struct sha1_hmac_ctx { |
||||
u64 count; |
||||
u32 state[5]; |
||||
u8 buffer[64]; |
||||
u32 dbn; |
||||
u32 temp[SHA1_HMAC_DBN_TEMP_SIZE]; |
||||
}; |
||||
|
||||
extern int disable_deudma; |
||||
|
||||
/*! \fn static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief save input block to context |
||||
* \param tfm linux crypto algo transform |
||||
* \param in 64-byte block of input |
||||
*/ |
||||
static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) |
||||
{ |
||||
struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
|
||||
memcpy(&sctx->temp[sctx->dbn<<4], in, 64); //dbn workaround
|
||||
sctx->dbn += 1; |
||||
|
||||
if ( (sctx->dbn<<4) > SHA1_HMAC_DBN_TEMP_SIZE ) |
||||
{ |
||||
printk("SHA1_HMAC_DBN_TEMP_SIZE exceeded\n"); |
||||
} |
||||
|
||||
} |
||||
|
||||
/*! \fn int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief sets sha1 hmac key |
||||
* \param tfm linux crypto algo transform |
||||
* \param key input key |
||||
* \param keylen key length greater than 64 bytes IS NOT SUPPORTED |
||||
*/ |
||||
int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) |
||||
{ |
||||
volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; |
||||
int i, j; |
||||
u32 *in_key = (u32 *)key; |
||||
|
||||
hash->KIDX = 0x80000000; // reset all 16 words of the key to '0'
|
||||
asm("sync"); |
||||
|
||||
j = 0; |
||||
for (i = 0; i < keylen; i+=4) |
||||
{ |
||||
hash->KIDX = j; |
||||
asm("sync"); |
||||
hash->KEY = *((u32 *) in_key + j); |
||||
j++; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*! \fn void sha1_hmac_init(struct crypto_tfm *tfm)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief initialize sha1 hmac context |
||||
* \param tfm linux crypto algo transform |
||||
*/ |
||||
void sha1_hmac_init(struct crypto_tfm *tfm) |
||||
{ |
||||
struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
|
||||
memset(sctx, 0, sizeof(struct sha1_hmac_ctx)); |
||||
sctx->dbn = 0; //dbn workaround
|
||||
} |
||||
|
||||
/*! \fn static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief on-the-fly sha1 hmac computation |
||||
* \param tfm linux crypto algo transform |
||||
* \param data input data |
||||
* \param len size of input data |
||||
*/ |
||||
static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, |
||||
unsigned int len) |
||||
{ |
||||
struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
unsigned int i, j; |
||||
|
||||
j = (sctx->count >> 3) & 0x3f; |
||||
sctx->count += len << 3; |
||||
//printk("sctx->count = %d\n", (sctx->count >> 3));
|
||||
|
||||
if ((j + len) > 63) { |
||||
memcpy (&sctx->buffer[j], data, (i = 64 - j)); |
||||
sha1_hmac_transform (tfm, (const u32 *)sctx->buffer); |
||||
for (; i + 63 < len; i += 64) { |
||||
sha1_hmac_transform (tfm, (const u32 *)&data[i]); |
||||
} |
||||
|
||||
j = 0; |
||||
} |
||||
else |
||||
i = 0; |
||||
|
||||
memcpy (&sctx->buffer[j], &data[i], len - i); |
||||
} |
||||
|
||||
/*! \fn static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief ompute final sha1 hmac value |
||||
* \param tfm linux crypto algo transform |
||||
* \param out final sha1 hmac output value |
||||
*/ |
||||
static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) |
||||
{ |
||||
struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); |
||||
u32 index, padlen; |
||||
u64 t; |
||||
u8 bits[8] = { 0, }; |
||||
static const u8 padding[64] = { 0x80, }; |
||||
volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; |
||||
ulong flag; |
||||
int i = 0; |
||||
int dbn; |
||||
u32 *in = &sctx->temp[0]; |
||||
|
||||
t = sctx->count + 512; // need to add 512 bit of the IPAD operation
|
||||
bits[7] = 0xff & t; |
||||
t >>= 8; |
||||
bits[6] = 0xff & t; |
||||
t >>= 8; |
||||
bits[5] = 0xff & t; |
||||
t >>= 8; |
||||
bits[4] = 0xff & t; |
||||
t >>= 8; |
||||
bits[3] = 0xff & t; |
||||
t >>= 8; |
||||
bits[2] = 0xff & t; |
||||
t >>= 8; |
||||
bits[1] = 0xff & t; |
||||
t >>= 8; |
||||
bits[0] = 0xff & t; |
||||
|
||||
/* Pad out to 56 mod 64 */ |
||||
index = (sctx->count >> 3) & 0x3f; |
||||
padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); |
||||
sha1_hmac_update (tfm, padding, padlen); |
||||
|
||||
/* Append length */ |
||||
sha1_hmac_update (tfm, bits, sizeof bits); |
||||
|
||||
CRTCL_SECT_START; |
||||
|
||||
hashs->DBN = sctx->dbn; |
||||
|
||||
//for vr9 change, ENDI = 1
|
||||
*IFX_HASH_CON = HASH_CON_VALUE; |
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
for (dbn = 0; dbn < sctx->dbn; dbn++) |
||||
{ |
||||
for (i = 0; i < 16; i++) { |
||||
hashs->MR = in[i]; |
||||
}; |
||||
|
||||
hashs->controlr.GO = 1; |
||||
asm("sync"); |
||||
|
||||
//wait for processing
|
||||
while (hashs->controlr.BSY) { |
||||
// this will not take long
|
||||
} |
||||
|
||||
in += 16; |
||||
} |
||||
|
||||
|
||||
#if 1 |
||||
//wait for digest ready
|
||||
while (! hashs->controlr.DGRY) { |
||||
// this will not take long
|
||||
} |
||||
#endif |
||||
|
||||
*((u32 *) out + 0) = hashs->D1R; |
||||
*((u32 *) out + 1) = hashs->D2R; |
||||
*((u32 *) out + 2) = hashs->D3R; |
||||
*((u32 *) out + 3) = hashs->D4R; |
||||
*((u32 *) out + 4) = hashs->D5R; |
||||
|
||||
CRTCL_SECT_END; |
||||
} |
||||
|
||||
/*
|
||||
* \brief SHA1-HMAC function mappings |
||||
*/ |
||||
|
||||
struct crypto_alg ifxdeu_sha1_hmac_alg = { |
||||
.cra_name = "hmac(sha1)", |
||||
.cra_driver_name= "ifxdeu-sha1_hmac", |
||||
.cra_flags = CRYPTO_ALG_TYPE_DIGEST, |
||||
.cra_blocksize = SHA1_HMAC_BLOCK_SIZE, |
||||
.cra_ctxsize = sizeof(struct sha1_hmac_ctx), |
||||
.cra_module = THIS_MODULE, |
||||
.cra_alignmask = 3, |
||||
.cra_list = LIST_HEAD_INIT(ifxdeu_sha1_hmac_alg.cra_list), |
||||
.cra_u = { .digest = { |
||||
.dia_digestsize = SHA1_DIGEST_SIZE, |
||||
.dia_setkey = sha1_hmac_setkey, |
||||
.dia_init = sha1_hmac_init, |
||||
.dia_update = sha1_hmac_update, |
||||
.dia_final = sha1_hmac_final } } |
||||
}; |
||||
|
||||
|
||||
/*! \fn int __init ifxdeu_init_sha1_hmac (void)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief initialize sha1 hmac driver |
||||
*/ |
||||
int __init ifxdeu_init_sha1_hmac (void) |
||||
{ |
||||
int ret; |
||||
|
||||
if ((ret = crypto_register_alg(&ifxdeu_sha1_hmac_alg))) |
||||
goto sha1_err; |
||||
|
||||
CRTCL_SECT_INIT; |
||||
|
||||
printk (KERN_NOTICE "IFX DEU SHA1_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); |
||||
return ret; |
||||
|
||||
sha1_err: |
||||
printk(KERN_ERR "IFX DEU SHA1_HMAC initialization failed!\n"); |
||||
return ret; |
||||
} |
||||
|
||||
/*! \fn void __exit ifxdeu_fini_sha1_hmac (void)
|
||||
* \ingroup IFX_SHA1_HMAC_FUNCTIONS |
||||
* \brief unregister sha1 hmac driver |
||||
*/ |
||||
void __exit ifxdeu_fini_sha1_hmac (void) |
||||
{ |
||||
crypto_unregister_alg (&ifxdeu_sha1_hmac_alg); |
||||
} |
||||
|
||||
#endif |
@ -0,0 +1,76 @@ |
||||
--- a/drivers/crypto/Kconfig
|
||||
+++ b/drivers/crypto/Kconfig
|
||||
@@ -222,4 +222,66 @@ config CRYPTO_DEV_PPC4XX
|
||||
help
|
||||
This option allows you to have support for AMCC crypto acceleration.
|
||||
|
||||
+config CRYPTO_DEV_IFXMIPS
|
||||
+ bool "Support for IFXMIPS crypto engine"
|
||||
+ select CRYPTO_ALGAPI
|
||||
+ default y
|
||||
+ help
|
||||
+ Will support IFXMIPS crypto hardware
|
||||
+ If you are unsure, say M.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_DES
|
||||
+ bool "IFXMIPS crypto hardware for DES algorithm"
|
||||
+ depends on CRYPTO_DEV_IFXMIPS
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for DES/3DES algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_AES
|
||||
+ bool "IFXMIPS crypto hardware for AES algorithm"
|
||||
+ depends on CRYPTO_DEV_IFXMIPS
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for AES algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_ARC4
|
||||
+ bool "IFXMIPS crypto hardware for ARC4 algorithm"
|
||||
+ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE)
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for ARC4 algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_SHA1
|
||||
+ bool "IFXMIPS crypto hardware for SHA1 algorithm"
|
||||
+ depends on CRYPTO_DEV_IFXMIPS
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for SHA1 algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_SHA1_HMAC
|
||||
+ bool "IFXMIPS crypto hardware for SHA1_HMAC algorithm"
|
||||
+ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE)
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for SHA1_HMAC algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
+menuconfig CRYPTO_DEV_IFXMIPS_MD5_HMAC
|
||||
+ bool "IFXMIPS crypto hardware for MD5_HMAC algorithms"
|
||||
+ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE)
|
||||
+ select CRYPTO_BLKCIPHER
|
||||
+ default y
|
||||
+ help
|
||||
+ Use crypto hardware for MD5_HMAC algorithm.
|
||||
+ If unsure say N.
|
||||
+
|
||||
endif # CRYPTO_HW
|
||||
--- a/drivers/crypto/Makefile
|
||||
+++ b/drivers/crypto/Makefile
|
||||
@@ -6,3 +6,4 @@ obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_c
|
||||
obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
|
||||
+obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips/
|
Loading…
Reference in new issue