diff options
-rw-r--r-- | Makefile.am | 1 | ||||
-rw-r--r-- | man/systemd.netdev.xml | 24 | ||||
-rw-r--r-- | src/network/networkd-bond.c | 141 | ||||
-rw-r--r-- | src/network/networkd-netdev-gperf.gperf | 1 | ||||
-rw-r--r-- | src/network/networkd-netdev.c | 12 | ||||
-rw-r--r-- | src/network/networkd.h | 20 |
6 files changed, 192 insertions, 7 deletions
diff --git a/Makefile.am b/Makefile.am index 3ddbdf77d3..17f2d9e22c 100644 --- a/Makefile.am +++ b/Makefile.am @@ -4575,6 +4575,7 @@ libsystemd_networkd_core_la_SOURCES = \ src/network/networkd-macvlan.c \ src/network/networkd-dummy.c \ src/network/networkd-tuntap.c \ + src/network/networkd-bond.c \ src/network/networkd-network.c \ src/network/networkd-address.c \ src/network/networkd-route.c \ diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml index 857221fdb0..e7eb5a0fe0 100644 --- a/man/systemd.netdev.xml +++ b/man/systemd.netdev.xml @@ -396,6 +396,30 @@ </refsect1> <refsect1> + <title>[Bond] Section Options</title> + + <para>The <literal>[Bond]</literal> section accepts the following + key:</para> + + <variablelist class='network-directives'> + <varlistentry> + <term><varname>Mode=</varname></term> + <listitem> + <para>Specifies one of the bonding policies. The default is balance-rr (round robin). + <literal>balance-rr</literal> + <literal>active-backup</literal> + <literal>balance-xor</literal> + <literal>broadcast</literal> + <literal>802.3ad</literal> + <literal>balance-tlb</literal> + <literal>balance-alb</literal> + </para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> <title>Example</title> <example> <title>/etc/systemd/network/bridge.netdev</title> diff --git a/src/network/networkd-bond.c b/src/network/networkd-bond.c new file mode 100644 index 0000000000..4437ee4372 --- /dev/null +++ b/src/network/networkd-bond.c @@ -0,0 +1,141 @@ +/*-*- 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 <net/if.h> + +#include "conf-parser.h" +#include "sd-rtnl.h" +#include "networkd.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 int netdev_fill_bond_rtnl_message(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, 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; +} + +int netdev_create_bond(NetDev *netdev, sd_rtnl_message_handler_t callback) { + _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; + int r; + + assert(netdev); + assert(netdev->kind == NETDEV_KIND_BOND); + assert(netdev->ifname); + assert(netdev->manager); + assert(netdev->manager->rtnl); + + r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0); + if (r < 0) { + log_error_netdev(netdev, + "Could not allocate RTM_NEWLINK message: %s", + strerror(-r)); + return r; + } + + r = netdev_fill_bond_rtnl_message(netdev, m); + if(r < 0) + return r; + + r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, netdev, 0, NULL); + if (r < 0) { + log_error_netdev(netdev, + "Could not send rtnetlink message: %s", strerror(-r)); + return r; + } + + netdev_ref(netdev); + + log_debug_netdev(netdev, "Creating bond netdev: %s", + netdev_kind_to_string(netdev->kind)); + + netdev->state = NETDEV_STATE_CREATING; + + return 0; +} diff --git a/src/network/networkd-netdev-gperf.gperf b/src/network/networkd-netdev-gperf.gperf index 5955f5195e..a698ea8c4d 100644 --- a/src/network/networkd-netdev-gperf.gperf +++ b/src/network/networkd-netdev-gperf.gperf @@ -48,3 +48,4 @@ Tap.MultiQueue, config_parse_bool, 0, Tap.PacketInfo, config_parse_bool, 0, offsetof(NetDev, packet_info) Tap.User, config_parse_string, 0, offsetof(NetDev, user_name) Tap.Group, config_parse_string, 0, offsetof(NetDev, group_name) +Bond.Mode, config_parse_bond_mode, 0, offsetof(NetDev, bond_mode) diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c index a8c1ea3b44..88b692fbab 100644 --- a/src/network/networkd-netdev.c +++ b/src/network/networkd-netdev.c @@ -48,6 +48,7 @@ static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = { DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind); DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind"); + static void netdev_cancel_callbacks(NetDev *netdev) { _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL; netdev_enslave_callback *callback; @@ -565,13 +566,14 @@ static int netdev_load_one(Manager *manager, const char *filename) { netdev->state = _NETDEV_STATE_INVALID; netdev->kind = _NETDEV_KIND_INVALID; netdev->macvlan_mode = _NETDEV_MACVLAN_MODE_INVALID; + netdev->bond_mode = _NETDEV_BOND_MODE_INVALID; netdev->vlanid = VLANID_MAX + 1; netdev->vxlanid = VXLAN_VID_MAX + 1; netdev->tunnel_pmtudisc = true; netdev->learning = true; r = config_parse(NULL, filename, file, - "Match\0NetDev\0VLAN\0MACVLAN\0VXLAN\0Tunnel\0Peer\0Tun\0Tap\0", + "Match\0NetDev\0VLAN\0MACVLAN\0VXLAN\0Tunnel\0Peer\0Tun\0Tap\0Bond\0", config_item_perf_lookup, (void*) network_netdev_gperf_lookup, false, false, netdev); if (r < 0) { @@ -694,19 +696,15 @@ static int netdev_load_one(Manager *manager, const char *filename) { break; case NETDEV_KIND_BRIDGE: - case NETDEV_KIND_BOND: r = netdev_create(netdev); if (r < 0) return r; break; - - case NETDEV_KIND_TUN: - case NETDEV_KIND_TAP: - r = netdev_create_tuntap(netdev); + case NETDEV_KIND_BOND: + r = netdev_create_bond(netdev, netdev_create_handler); if (r < 0) return r; break; - default: break; } diff --git a/src/network/networkd.h b/src/network/networkd.h index 5df52c98f4..b9c5eee54d 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -70,6 +70,18 @@ typedef enum MacVlanMode { _NETDEV_MACVLAN_MODE_INVALID = -1 } MacVlanMode; +typedef enum BondMode { + NETDEV_BOND_MODE_BALANCE_RR, + NETDEV_BOND_MODE_ACTIVE_BACKUP, + NETDEV_BOND_MODE_BALANCE_XOR, + NETDEV_BOND_MODE_BROADCAST, + NETDEV_BOND_MODE_802_3AD, + NETDEV_BOND_MODE_BALANCE_TLB, + NETDEV_BOND_MODE_BALANCE_ALB, + _NETDEV_BOND_MODE_MAX, + _NETDEV_BOND_MODE_INVALID = -1 +} BondMode; + typedef enum NetDevKind { NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND, @@ -122,6 +134,7 @@ struct NetDev { uint64_t vlanid; uint64_t vxlanid; int32_t macvlan_mode; + int32_t bond_mode; int ifindex; NetDevState state; @@ -370,6 +383,8 @@ int netdev_create_vlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cal int netdev_create_macvlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback); int netdev_create_dummy(NetDev *netdev, sd_rtnl_message_handler_t callback); int netdev_create_tuntap(NetDev *netdev); +int netdev_create_bond(NetDev *netdev, sd_rtnl_message_handler_t callback); + const char *netdev_kind_to_string(NetDevKind d) _const_; NetDevKind netdev_kind_from_string(const char *d) _pure_; @@ -377,10 +392,15 @@ NetDevKind netdev_kind_from_string(const char *d) _pure_; const char *macvlan_mode_to_string(MacVlanMode d) _const_; MacVlanMode macvlan_mode_from_string(const char *d) _pure_; +const char *bond_mode_to_string(BondMode d) _const_; +BondMode bond_mode_from_string(const char *d) _pure_; + int config_parse_netdev_kind(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_macvlan_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_bond_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); + /* gperf */ const struct ConfigPerfItem* network_netdev_gperf_lookup(const char *key, unsigned length); |