criu: add kernel configuration features

criu needs to turn on sock diag features in kernel to do the system dump[1].

Ref:
[1] https://criu.org/Linux_kernel

Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

3 files changed, 13 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-yocto/criu.cfg b/recipes-kernel/linux/linux-yocto/criu.cfg
new file mode 100644
index 00000000..314addfa
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto/criu.cfg
@@ -0,0 +1,8 @@
+#Networking options options for sock-diag subsystem
+CONFIG_UNIX_DIAG=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_PACKET_DIAG=y
+CONFIG_NETLINK_DIAG=y
+CONFIG_NETFILTER_XT_MARK=y
+CONFIG_TUN=y
diff --git a/recipes-kernel/linux/linux-yocto/criu.scc b/recipes-kernel/linux/linux-yocto/criu.scc
new file mode 100644
index 00000000..87a88113
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto/criu.scc
@@ -0,0 +1,4 @@
+define KFEATURE_DESCRIPTION "Enable Networking Features needed by criu."
+define KFEATURE_COMPATIBILITY board
+
+kconf non-hardware criu.cfg
diff --git a/recipes-kernel/linux/linux-yocto_virtualization.inc b/recipes-kernel/linux/linux-yocto_virtualization.inc
index 84a7bd84..a37759ef 100644
--- a/recipes-kernel/linux/linux-yocto_virtualization.inc
+++ b/recipes-kernel/linux/linux-yocto_virtualization.inc
@@ -6,6 +6,7 @@ SRC_URI += "file://xt-checksum.scc \
             file://lxc.scc \
             file://docker.scc \
             file://cgroup-hugetlb.scc \
+            file://criu.scc \
             "
 KERNEL_FEATURES:append = " ${@bb.utils.contains('DISTRO_FEATURES', 'kvm', 'features/kvm/qemu-kvm-enable.scc', '', d)}"