1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Tom Gundersen <teg@jklm.no>
7 Copyright 2014 Susant Sahani
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <netinet/ether.h>
24 #include <arpa/inet.h>
27 #include "conf-parser.h"
32 static const char* const bond_mode_table[_NETDEV_BOND_MODE_MAX] = {
33 [NETDEV_BOND_MODE_BALANCE_RR] = "balance-rr",
34 [NETDEV_BOND_MODE_ACTIVE_BACKUP] = "active-backup",
35 [NETDEV_BOND_MODE_BALANCE_XOR] = "balance-xor",
36 [NETDEV_BOND_MODE_BROADCAST] = "broadcast",
37 [NETDEV_BOND_MODE_802_3AD] = "802.3ad",
38 [NETDEV_BOND_MODE_BALANCE_TLB] = "balance-tlb",
39 [NETDEV_BOND_MODE_BALANCE_ALB] = "balance-alb",
42 DEFINE_STRING_TABLE_LOOKUP(bond_mode, BondMode);
43 DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_mode, bond_mode, BondMode, "Failed to parse bond mode");
45 static int netdev_fill_bond_rtnl_message(NetDev *netdev, sd_rtnl_message *m) {
50 r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
52 log_error_netdev(netdev,
53 "Could not append IFLA_IFNAME, attribute: %s",
58 r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
60 log_error_netdev(netdev,
61 "Could not append IFLA_LINKINFO attribute: %s",
66 r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
67 netdev_kind_to_string(netdev->kind));
69 log_error_netdev(netdev,
70 "Could not append IFLA_INFO_DATA attribute: %s",
75 if (netdev->bond_mode != _NETDEV_BOND_MODE_INVALID) {
76 r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE, netdev->bond_mode);
78 log_error_netdev(netdev,
79 "Could not append IFLA_BOND_MODE attribute: %s",
85 r = sd_rtnl_message_close_container(m);
87 log_error_netdev(netdev,
88 "Could not append IFLA_LINKINFO attribute: %s",
93 r = sd_rtnl_message_close_container(m);
95 log_error_netdev(netdev,
96 "Could not append IFLA_LINKINFO attribute: %s",
104 int netdev_create_bond(NetDev *netdev, sd_rtnl_message_handler_t callback) {
105 _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
109 assert(netdev->kind == NETDEV_KIND_BOND);
110 assert(netdev->ifname);
111 assert(netdev->manager);
112 assert(netdev->manager->rtnl);
114 r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
116 log_error_netdev(netdev,
117 "Could not allocate RTM_NEWLINK message: %s",
122 r = netdev_fill_bond_rtnl_message(netdev, m);
126 r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, netdev, 0, NULL);
128 log_error_netdev(netdev,
129 "Could not send rtnetlink message: %s", strerror(-r));
135 log_debug_netdev(netdev, "Creating bond netdev: %s",
136 netdev_kind_to_string(netdev->kind));
138 netdev->state = NETDEV_STATE_CREATING;