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cryptodev-linux: add build fix patch for 4.3+ kernels

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Patch status: sent upstream
https://mail.gna.org/public/cryptodev-linux-devel/2015-11/msg00003.html

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Gustavo Zacarias 2015-11-19 12:41:53 -03:00 committed by Peter Korsgaard
parent 61c03feaa8
commit 90d6fe5ae0
1 changed files with 50 additions and 0 deletions
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package/cryptodev-linux/0002-Fix-compilation-against-linux-4.3.patch Normal file
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@ -0,0 +1,50 @@
From e8acc16d455876855ac3e13efa5f24f1e93a42e0 Mon Sep 17 00:00:00 2001
From: Gustavo Zacarias <gustavo@zacarias.com.ar>
Date: Thu, 19 Nov 2015 10:41:30 -0300
Subject: [PATCH] Fix compilation against linux 4.3
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Linux Crypto API changed to using aead_request_set_ad()
instead of aead_request_set_assoc().
Based on Horia Geantă's patch from
https://mail.gna.org/public/cryptodev-linux-devel/2015-11/msg00002.html
However we need to version-guard the change for older versions of the
kernel to avoid the build from breaking for them.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
---
cryptlib.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/cryptlib.h b/cryptlib.h
index a0a8a63..f0c2736 100644
--- a/cryptlib.h
+++ b/cryptlib.h
@@ -1,6 +1,8 @@
#ifndef CRYPTLIB_H
# define CRYPTLIB_H
+#include <linux/version.h>
+
struct cipher_data {
int init; /* 0 uninitialized */
int blocksize;
@@ -40,7 +42,11 @@ static inline void cryptodev_cipher_auth(struct cipher_data *cdata,
struct scatterlist *sg1, size_t len)
{
/* for some reason we _have_ to call that even for zero length sgs */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0))
aead_request_set_assoc(cdata->async.arequest, len ? sg1 : NULL, len);
+#else
+ aead_request_set_ad(cdata->async.arequest, len);
+#endif
}
static inline void cryptodev_cipher_set_tag_size(struct cipher_data *cdata, int size)
--
2.4.10