networkd: netdev - introduce vtable for netdev kinds

[elogind.git] / src / network / networkd-netdev-vlan.c

diff --git a/src/network/networkd-netdev-vlan.c b/src/network/networkd-netdev-vlan.c
new file mode 100644 (file)
index 0000000..20d0fd5
--- /dev/null
+++ b/src/network/networkd-netdev-vlan.c
@@ -0,0 +1,133 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Tom Gundersen <teg@jklm.no>
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <net/if.h>
+
+#include "networkd-netdev-vlan.h"
+#include "network-internal.h"
+#include "list.h"
+
+static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) {
+        int r;
+
+        assert(netdev);
+        assert(netdev->ifname);
+        assert(netdev->kind == NETDEV_KIND_VLAN);
+        assert(link);
+        assert(req);
+
+        r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_LINK attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->ifname);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_IFNAME attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        if (netdev->mtu) {
+                r = sd_rtnl_message_append_u32(req, IFLA_MTU, netdev->mtu);
+                if (r < 0) {
+                        log_error_netdev(netdev,
+                                         "Could not append IFLA_MTU attribute: %s",
+                                         strerror(-r));
+                        return r;
+                }
+        }
+
+        if (netdev->mac) {
+                r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, netdev->mac);
+                if (r < 0) {
+                        log_error_netdev(netdev,
+                                         "Colud not append IFLA_ADDRESS attribute: %s",
+                                         strerror(-r));
+                    return r;
+                }
+        }
+
+        r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not open IFLA_LINKINFO container: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, "vlan");
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not open IFLA_INFO_DATA container: %s",
+                                  strerror(-r));
+                return r;
+        }
+
+        if (netdev->vlanid <= VLANID_MAX) {
+                r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
+                if (r < 0) {
+                        log_error_netdev(netdev,
+                                         "Could not append IFLA_VLAN_ID attribute: %s",
+                                         strerror(-r));
+                        return r;
+                }
+        }
+
+        r = sd_rtnl_message_close_container(req);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not close IFLA_INFO_DATA container %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_close_container(req);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not close IFLA_LINKINFO container %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        return 0;
+}
+
+static int netdev_vlan_verify(NetDev *netdev, const char *filename) {
+        assert(netdev);
+        assert(filename);
+
+        if (netdev->vlanid > VLANID_MAX) {
+                log_warning("VLAN without valid Id configured in %s. Ignoring", filename);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+const NetDevVTable vlan_vtable = {
+        .fill_message_create_on_link = netdev_vlan_fill_message_create,
+        .config_verify = netdev_vlan_verify,
+};