diff options
Diffstat (limited to 'src/network/networkd-macvlan.c')
| -rw-r--r-- | src/network/networkd-macvlan.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/network/networkd-macvlan.c b/src/network/networkd-macvlan.c new file mode 100644 index 0000000000..9227144531 --- /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; +} |