[OE-core] [PATCH] cryptodev-module: Fix build failure with kernel v5.5

[zhe.he at windriver.com]

From: He Zhe <zhe.he at windriver.com>

Backport from upstream to fix the following build failure.

cryptlib.c:162:37: error: 'crypto_ablkcipher_type' undeclared
(first use in this function); did you mean 'crypto_skcipher_tfm'?
162 |   if ((tfm->__crt_alg->cra_type == &crypto_ablkcipher_type)
    |                                     ^~~~~~~~~~~~~~~~~~~~~~
    |                                     crypto_skcipher_tfm
cryptlib.c:169:25: error: 'struct crypto_alg' has no member named
'cra_ablkcipher'
169 |    alg = &tfm->__crt_alg->cra_ablkcipher;
    |                         ^~
cryptlib.c:170:21: error: dereferencing pointer to incomplete type
'struct ablkcipher_alg'
170 |    min_keysize = alg->min_keysize;
    |                     ^~

Signed-off-by: He Zhe <zhe.he at windriver.com>
---
 .../cryptodev/cryptodev-module_1.10.bb        |  1 +
 ...-cryptlib.c-fix-build-on-kernel-v5.5.patch | 49 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 meta/recipes-kernel/cryptodev/files/0001-cryptlib.c-fix-build-on-kernel-v5.5.patch

diff --git a/meta/recipes-kernel/cryptodev/cryptodev-module_1.10.bb b/meta/recipes-kernel/cryptodev/cryptodev-module_1.10.bb
index 552eb6abaa..89b52d8d95 100644
--- a/meta/recipes-kernel/cryptodev/cryptodev-module_1.10.bb
+++ b/meta/recipes-kernel/cryptodev/cryptodev-module_1.10.bb
@@ -9,6 +9,7 @@ DEPENDS += "cryptodev-linux"
 
 SRC_URI += " \
 file://0001-Disable-installing-header-file-provided-by-another-p.patch \
+file://0001-cryptlib.c-fix-build-on-kernel-v5.5.patch \
 "
 
 EXTRA_OEMAKE='KERNEL_DIR="${STAGING_KERNEL_DIR}" PREFIX="${D}"'
diff --git a/meta/recipes-kernel/cryptodev/files/0001-cryptlib.c-fix-build-on-kernel-v5.5.patch b/meta/recipes-kernel/cryptodev/files/0001-cryptlib.c-fix-build-on-kernel-v5.5.patch
new file mode 100644
index 0000000000..1af9aed8d8
--- /dev/null
+++ b/meta/recipes-kernel/cryptodev/files/0001-cryptlib.c-fix-build-on-kernel-v5.5.patch
@@ -0,0 +1,49 @@
+From 98b163a23f6b9fbdc18c3644cf94a75cdcd0cc80 Mon Sep 17 00:00:00 2001
+From: Andrei Botila <andrei.botila at nxp.com>
+Date: Wed, 27 Nov 2019 09:53:37 +0200
+Subject: [PATCH] cryptlib.c: fix build on kernel v5.5+
+
+Starting with kernel v5.5-rc1 ablkcipher and blkcipher are removed and
+symmetric key operations will rely solely on skcipher:
+commit d63007eb954 ("crypto: ablkcipher - remove deprecated and unused ablkcipher support").
+
+When cryptodev will use higher kernel versions > 5.4 will need to use the
+skcipher interface instead.
+
+Signed-off-by: Andrei Botila <andrei.botila at nxp.com>
+
+Upstream-Status: Backport [https://github.com/cryptodev-linux/cryptodev-linux/
+commit/98b163a23f6b9fbdc18c3644cf94a75cdcd0cc80]
+
+Signed-off-by: He Zhe <zhe.he at windriver.com>
+
+---
+ cryptlib.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/cryptlib.c b/cryptlib.c
+index 4a87037..e2a4198 100644
+--- a/cryptlib.c
++++ b/cryptlib.c
+@@ -159,6 +159,7 @@ int cryptodev_cipher_init(struct cipher_data *out, const char *alg_name,
+ 
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0))
+ 		tfm = crypto_skcipher_tfm(out->async.s);
++#if (LINUX_VERSION_CODE <= KERNEL_VERSION(5, 4, 0))
+ 		if ((tfm->__crt_alg->cra_type == &crypto_ablkcipher_type)
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 0, 0))
+ 		    || (tfm->__crt_alg->cra_type == &crypto_givcipher_type)
+@@ -169,7 +170,9 @@ int cryptodev_cipher_init(struct cipher_data *out, const char *alg_name,
+ 			alg = &tfm->__crt_alg->cra_ablkcipher;
+ 			min_keysize = alg->min_keysize;
+ 			max_keysize = alg->max_keysize;
+-		} else {
++		} else
++#endif
++		{
+ 			struct skcipher_alg *alg;
+ 
+ 			alg = crypto_skcipher_alg(out->async.s);
+-- 
+2.7.4
+
-- 
2.24.1