Adding upstream version 255.4.upstream/255.4

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

1 files changed, 58 insertions, 0 deletions

diff --git a/src/network/netdev/vxcan.c b/src/network/netdev/vxcan.c
new file mode 100644
index 0000000..c0343f4
--- /dev/null
+++ b/src/network/netdev/vxcan.c
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <linux/can/vxcan.h>
+#include <linux/if_arp.h>
+
+#include "vxcan.h"
+
+static int netdev_vxcan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+        assert(!link);
+        assert(m);
+
+        VxCan *v = VXCAN(netdev);
+        int r;
+
+        r = sd_netlink_message_open_container(m, VXCAN_INFO_PEER);
+        if (r < 0)
+                return r;
+
+        if (v->ifname_peer) {
+                r = sd_netlink_message_append_string(m, IFLA_IFNAME, v->ifname_peer);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_netlink_message_close_container(m);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
+
+static int netdev_vxcan_verify(NetDev *netdev, const char *filename) {
+        assert(filename);
+
+        VxCan *v = VXCAN(netdev);
+
+        if (!v->ifname_peer)
+                return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
+                                                "VxCan NetDev without peer name configured in %s. Ignoring", filename);
+
+        return 0;
+}
+
+static void vxcan_done(NetDev *netdev) {
+        VxCan *v = VXCAN(netdev);
+
+        free(v->ifname_peer);
+}
+
+const NetDevVTable vxcan_vtable = {
+        .object_size = sizeof(VxCan),
+        .sections = NETDEV_COMMON_SECTIONS "VXCAN\0",
+        .done = vxcan_done,
+        .fill_message_create = netdev_vxcan_fill_message_create,
+        .create_type = NETDEV_CREATE_INDEPENDENT,
+        .config_verify = netdev_vxcan_verify,
+        .iftype = ARPHRD_CAN,
+};