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-rw-r--r--src/network/netdev/vlan.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/network/netdev/vlan.c b/src/network/netdev/vlan.c
new file mode 100644
index 0000000..dd548b3
--- /dev/null
+++ b/src/network/netdev/vlan.c
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <errno.h>
+#include <linux/if_vlan.h>
+#include <net/if.h>
+
+#include "netdev/vlan.h"
+#include "vlan-util.h"
+
+static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
+ struct ifla_vlan_flags flags = {};
+ VLan *v;
+ int r;
+
+ assert(netdev);
+ assert(link);
+ assert(req);
+
+ v = VLAN(netdev);
+
+ assert(v);
+
+ r = sd_netlink_message_append_u16(req, IFLA_VLAN_ID, v->id);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_VLAN_ID attribute: %m");
+
+ if (v->gvrp != -1) {
+ flags.mask |= VLAN_FLAG_GVRP;
+ SET_FLAG(flags.flags, VLAN_FLAG_GVRP, v->gvrp);
+ }
+
+ if (v->mvrp != -1) {
+ flags.mask |= VLAN_FLAG_MVRP;
+ SET_FLAG(flags.flags, VLAN_FLAG_MVRP, v->mvrp);
+ }
+
+ if (v->reorder_hdr != -1) {
+ flags.mask |= VLAN_FLAG_REORDER_HDR;
+ SET_FLAG(flags.flags, VLAN_FLAG_REORDER_HDR, v->reorder_hdr);
+ }
+
+ if (v->loose_binding != -1) {
+ flags.mask |= VLAN_FLAG_LOOSE_BINDING;
+ SET_FLAG(flags.flags, VLAN_FLAG_LOOSE_BINDING, v->loose_binding);
+ }
+
+ r = sd_netlink_message_append_data(req, IFLA_VLAN_FLAGS, &flags, sizeof(struct ifla_vlan_flags));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_VLAN_FLAGS attribute: %m");
+
+ return 0;
+}
+
+static int netdev_vlan_verify(NetDev *netdev, const char *filename) {
+ VLan *v;
+
+ assert(netdev);
+ assert(filename);
+
+ v = VLAN(netdev);
+
+ assert(v);
+
+ if (v->id == VLANID_INVALID) {
+ log_warning("VLAN without valid Id (%"PRIu16") configured in %s.", v->id, filename);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void vlan_init(NetDev *netdev) {
+ VLan *v = VLAN(netdev);
+
+ assert(netdev);
+ assert(v);
+
+ v->id = VLANID_INVALID;
+ v->gvrp = -1;
+ v->mvrp = -1;
+ v->loose_binding = -1;
+ v->reorder_hdr = -1;
+}
+
+const NetDevVTable vlan_vtable = {
+ .object_size = sizeof(VLan),
+ .init = vlan_init,
+ .sections = "Match\0NetDev\0VLAN\0",
+ .fill_message_create = netdev_vlan_fill_message_create,
+ .create_type = NETDEV_CREATE_STACKED,
+ .config_verify = netdev_vlan_verify,
+};