networkd: split out vlan and macvlan handling

[elogind.git] / src / network / networkd-macvlan.c

diff --git a/src/network/networkd-macvlan.c b/src/network/networkd-macvlan.c
new file mode 100644 (file)
index 0000000..9227144
--- /dev/null
+++ b/src/network/networkd-macvlan.c
@@ -0,0 +1,158 @@
+/*-*- 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.h"
+#include "network-internal.h"
+#include "conf-parser.h"
+#include "list.h"
+
+static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
+        [NETDEV_MACVLAN_MODE_PRIVATE] = "private",
+        [NETDEV_MACVLAN_MODE_VEPA] = "vepa",
+        [NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
+        [NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
+
+int netdev_create_macvlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+        const char *kind;
+        int r;
+
+        assert(netdev);
+        assert(netdev->kind == NETDEV_KIND_MACVLAN);
+        assert(link);
+        assert(callback);
+        assert(netdev->ifname);
+        assert(netdev->manager);
+        assert(netdev->manager->rtnl);
+
+        r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not allocate RTM_NEWLINK message: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        if (link) {
+                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;
+        }
+
+        kind = netdev_kind_to_string(netdev->kind);
+        if (!kind) {
+                log_error_netdev(netdev, "Invalid kind");
+                return -EINVAL;
+        }
+
+        r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not open IFLA_INFO_DATA container: %s",
+                                  strerror(-r));
+                return r;
+        }
+
+        if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
+        r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_MACVLAN_MODE 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;
+        }
+
+        r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not send rtnetlink message: %s", strerror(-r));
+                return r;
+        }
+
+        log_debug_netdev(netdev, "creating netdev");
+
+        netdev->state = NETDEV_STATE_CREATING;
+
+        return 0;
+}