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-rw-r--r--src/network/netdev/xfrm.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/network/netdev/xfrm.c b/src/network/netdev/xfrm.c
new file mode 100644
index 0000000..905bfc0
--- /dev/null
+++ b/src/network/netdev/xfrm.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <linux/if_arp.h>
+
+#include "missing_network.h"
+#include "xfrm.h"
+
+static int xfrm_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *message) {
+ assert(message);
+
+ Xfrm *x = XFRM(netdev);
+ int r;
+
+ assert(link || x->independent);
+
+ r = sd_netlink_message_append_u32(message, IFLA_XFRM_LINK, link ? link->ifindex : LOOPBACK_IFINDEX);
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_message_append_u32(message, IFLA_XFRM_IF_ID, x->if_id);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int xfrm_verify(NetDev *netdev, const char *filename) {
+ assert(filename);
+
+ Xfrm *x = XFRM(netdev);
+
+ if (x->if_id == 0)
+ return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
+ "%s: Xfrm interface ID cannot be zero.", filename);
+ return 0;
+}
+
+const NetDevVTable xfrm_vtable = {
+ .object_size = sizeof(Xfrm),
+ .sections = NETDEV_COMMON_SECTIONS "Xfrm\0",
+ .fill_message_create = xfrm_fill_message_create,
+ .config_verify = xfrm_verify,
+ .create_type = NETDEV_CREATE_STACKED,
+ .iftype = ARPHRD_NONE,
+};