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authorDmitry Safonov2020-09-21 15:36:55 +0100
committerSteffen Klassert2020-09-24 08:53:03 +0200
commit5106f4a8acff480e244300bc5097c0ad7048c3a2 (patch)
tree0f5319f64a61020eb78646b75ccdc6b52d424fe3 /net/xfrm/Kconfig
parente11eb32de3a7854d6b366dee17dd36c9ab0c39de (diff)
xfrm/compat: Add 32=>64-bit messages translator
Provide the user-to-kernel translator under XFRM_USER_COMPAT, that creates for 32-bit xfrm-user message a 64-bit translation. The translation is afterwards reused by xfrm_user code just as if userspace had sent 64-bit message. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/Kconfig')
-rw-r--r--net/xfrm/Kconfig3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
index e79b48dab61b..3adf31a83a79 100644
--- a/net/xfrm/Kconfig
+++ b/net/xfrm/Kconfig
@@ -30,7 +30,8 @@ config XFRM_USER
config XFRM_USER_COMPAT
tristate "Compatible ABI support"
- depends on XFRM_USER && COMPAT_FOR_U64_ALIGNMENT
+ depends on XFRM_USER && COMPAT_FOR_U64_ALIGNMENT && \
+ HAVE_EFFICIENT_UNALIGNED_ACCESS
select WANT_COMPAT_NETLINK_MESSAGES
help
Transformation(XFRM) user configuration interface like IPsec