Adding upstream version 241.upstream/241upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/src/network/netdev/vxcan.c b/src/network/netdev/vxcan.c
new file mode 100644
index 0000000..e8ea70a
--- /dev/null
+++ b/src/network/netdev/vxcan.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#if HAVE_LINUX_CAN_VXCAN_H
+#include <linux/can/vxcan.h>
+#endif
+
+#include "missing.h"
+#include "netdev/vxcan.h"
+
+static int netdev_vxcan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+        VxCan *v;
+        int r;
+
+        assert(netdev);
+        assert(!link);
+        assert(m);
+
+        v = VXCAN(netdev);
+
+        assert(v);
+
+        r = sd_netlink_message_open_container(m, VXCAN_INFO_PEER);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m");
+
+        if (v->ifname_peer) {
+                r = sd_netlink_message_append_string(m, IFLA_IFNAME, v->ifname_peer);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to add vxcan netlink interface peer name: %m");
+        }
+
+        r = sd_netlink_message_close_container(m);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m");
+
+        return r;
+}
+
+static int netdev_vxcan_verify(NetDev *netdev, const char *filename) {
+        VxCan *v;
+
+        assert(netdev);
+        assert(filename);
+
+        v = VXCAN(netdev);
+
+        assert(v);
+
+        if (!v->ifname_peer) {
+                log_warning("VxCan NetDev without peer name configured in %s. Ignoring", filename);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static void vxcan_done(NetDev *n) {
+        VxCan *v;
+
+        assert(n);
+
+        v = VXCAN(n);
+
+        assert(v);
+
+        free(v->ifname_peer);
+}
+
+const NetDevVTable vxcan_vtable = {
+        .object_size = sizeof(VxCan),
+        .sections = "Match\0NetDev\0VXCAN\0",
+        .done = vxcan_done,
+        .fill_message_create = netdev_vxcan_fill_message_create,
+        .create_type = NETDEV_CREATE_INDEPENDENT,
+        .config_verify = netdev_vxcan_verify,
+};