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Diffstat (limited to 'src/network/networkd-netdev-bond.c')
-rw-r--r--src/network/networkd-netdev-bond.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/network/networkd-netdev-bond.c b/src/network/networkd-netdev-bond.c
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+++ b/src/network/networkd-netdev-bond.c
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen <teg@jklm.no>
+ Copyright 2014 Susant Sahani
+
+ 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 <netinet/ether.h>
+#include <arpa/inet.h>
+#include <linux/if_bonding.h>
+
+#include "conf-parser.h"
+#include "sd-rtnl.h"
+#include "networkd-netdev-bond.h"
+#include "missing.h"
+
+static const char* const bond_mode_table[_NETDEV_BOND_MODE_MAX] = {
+ [NETDEV_BOND_MODE_BALANCE_RR] = "balance-rr",
+ [NETDEV_BOND_MODE_ACTIVE_BACKUP] = "active-backup",
+ [NETDEV_BOND_MODE_BALANCE_XOR] = "balance-xor",
+ [NETDEV_BOND_MODE_BROADCAST] = "broadcast",
+ [NETDEV_BOND_MODE_802_3AD] = "802.3ad",
+ [NETDEV_BOND_MODE_BALANCE_TLB] = "balance-tlb",
+ [NETDEV_BOND_MODE_BALANCE_ALB] = "balance-alb",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_mode, BondMode);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_mode, bond_mode, BondMode, "Failed to parse bond mode");
+
+static uint8_t bond_mode_to_kernel(BondMode mode) {
+ switch (mode) {
+ case NETDEV_BOND_MODE_BALANCE_RR:
+ return BOND_MODE_ROUNDROBIN;
+ case NETDEV_BOND_MODE_ACTIVE_BACKUP:
+ return BOND_MODE_ACTIVEBACKUP;
+ case NETDEV_BOND_MODE_BALANCE_XOR:
+ return BOND_MODE_XOR;
+ case NETDEV_BOND_MODE_BROADCAST:
+ return BOND_MODE_BROADCAST;
+ case NETDEV_BOND_MODE_802_3AD:
+ return BOND_MODE_8023AD;
+ case NETDEV_BOND_MODE_BALANCE_TLB:
+ return BOND_MODE_TLB;
+ case NETDEV_BOND_MODE_BALANCE_ALB:
+ return BOND_MODE_ALB;
+ default:
+ return (uint8_t) -1;
+ }
+}
+
+static int netdev_bond_fill_message_create(NetDev *netdev, sd_rtnl_message *m) {
+ int r;
+
+ assert(m);
+
+ r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IFNAME, attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
+ netdev_kind_to_string(netdev->kind));
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_INFO_DATA attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if (netdev->bond_mode != _NETDEV_BOND_MODE_INVALID) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE,
+ bond_mode_to_kernel(netdev->bond_mode));
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_BOND_MODE attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ return r;
+}
+
+const NetDevVTable bond_vtable = {
+ .fill_message_create = netdev_bond_fill_message_create,
+ .enslave = netdev_enslave,
+};