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crypto: eip93: use in-tree driver for kernel 6.18

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This patch set introduces support for using the in-tree (mainline)
EIP93 crypto driver for kernel 6.18 and later, along with additional
improvements and fixes:
 - Conditional Kconfig/Makefile handling for crypto-hw-eip93 to enable use of the mainline driver with kernel 6.18+.
 - Patch 926: Use software AES fallback for small requests in the EIP93 driver.
 - Patch 927: Add `mediatek,mtk-eip93` compatible string for upstream kernel device trees.

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/21078
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Mieczyslaw Nalewaj
2026-01-15 09:08:05 +01:00
committed by Robert Marko
parent 2569a339ed
commit 354a26b094
3 changed files with 201 additions and 6 deletions
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package/kernel/linux/modules/crypto.mk
+11 -6
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@@ -521,7 +521,7 @@ $(eval $(call KernelPackage,crypto-hw-talitos))
define KernelPackage/crypto-hw-eip93
TITLE:=MTK EIP93 crypto module
DEPENDS:=@TARGET_ramips_mt7621 \
DEPENDS:=@(TARGET_ramips_mt7621||TARGET_airoha) \
+kmod-crypto-authenc \
+kmod-crypto-des \
+kmod-crypto-md5 \
@@ -530,23 +530,28 @@ define KernelPackage/crypto-hw-eip93
KCONFIG:= \
CONFIG_CRYPTO_HW=y \
CONFIG_CRYPTO_DEV_EIP93 \
CONFIG_CRYPTO_DEV_EIP93_AES=y \
CONFIG_CRYPTO_DEV_EIP93_DES=y \
CONFIG_CRYPTO_DEV_EIP93_AEAD=y \
CONFIG_CRYPTO_DEV_EIP93_AES=y@lt6.18 \
CONFIG_CRYPTO_DEV_EIP93_DES=y@lt6.18 \
CONFIG_CRYPTO_DEV_EIP93_AEAD=y@lt6.18 \
CONFIG_CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN=256 \
CONFIG_CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN=512
FILES:=$(LINUX_DIR)/drivers/crypto/mtk-eip93/crypto-hw-eip93.ko
FILES:=$(LINUX_DIR)/drivers/crypto/mtk-eip93/crypto-hw-eip93.ko@lt6.18 \
$(LINUX_DIR)/drivers/crypto/inside-secure/eip93/crypto-hw-eip93.ko@ge6.18
AUTOLOAD:=$(call AutoLoad,09,crypto-hw-eip93)
$(call AddDepends/crypto)
endef
define KernelPackage/crypto-hw-eip93/description
Kernel module to enable EIP-93 Crypto engine as found
in the Mediatek MT7621 SoC.
in Mediatek MT7621 and Airoha SoCs.
It enables DES/3DES/AES ECB/CBC/CTR and
IPSEC offload with authenc(hmac(sha1/sha256), aes/cbc/rfc3686)
endef
define KernelPackage/crypto-hw-eip93/airoha
FILES:=$(LINUX_DIR)/drivers/crypto/inside-secure/eip93/crypto-hw-eip93.ko
endef
$(eval $(call KernelPackage,crypto-hw-eip93))
define KernelPackage/crypto-kpp