ports: Add support for VETH

[people/ms/network.git] / src / networkd / port-veth.c

diff --git a/src/networkd/port-veth.c b/src/networkd/port-veth.c
new file mode 100644 (file)
index 0000000..44b1a0d
--- /dev/null
+++ b/src/networkd/port-veth.c
@@ -0,0 +1,81 @@
+/*#############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2023 IPFire Network Development Team                          #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+#############################################################################*/
+
+#include <linux/veth.h>
+
+#include "json.h"
+#include "port.h"
+#include "port-veth.h"
+
+static int nw_port_veth_setup(nw_port* port) {
+       int r;
+
+       // Peer
+       r = NW_CONFIG_OPTION_STRING(port->config, "VETH_PEER", &port->veth.peer);
+       if (r < 0)
+               return 1;
+
+       return 0;
+}
+
+static int nw_port_veth_create_link(nw_port* port, sd_netlink_message* m) {
+       int r;
+
+       // Open the container
+       r = sd_netlink_message_open_container(m, VETH_INFO_PEER);
+       if (r < 0)
+               return r;
+
+       // Set VETH Peer
+       r = sd_netlink_message_append_string(m, IFLA_VLAN_ID, port->veth.peer);
+       if (r < 0)
+               return r;
+
+       // Close the container
+       r = sd_netlink_message_close_container(m);
+       if (r < 0)
+               return r;
+
+       return 0;
+}
+
+static int nw_port_veth_to_json(nw_port* port, struct json_object* o) {
+       int r;
+
+       // Add the VETH Peer
+       r = json_object_add_string(o, "VETHPeer", port->veth.peer);
+       if (r < 0)
+               return r;
+
+       return 0;
+}
+
+const nw_port_type_t nw_port_type_veth = {
+       .kind = "veth",
+
+       // Configuration
+       .setup = nw_port_veth_setup,
+
+       // Link
+       .create_link = nw_port_veth_create_link,
+
+       // JSON
+       .to_json = nw_port_veth_to_json,
+};