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>
25 #include <linux/if_bonding.h>
27 #include "conf-parser.h"
29 #include "networkd-netdev-bond.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");
46 static const char* const bond_xmit_hash_policy_table
[_NETDEV_BOND_XMIT_HASH_POLICY_MAX
] = {
47 [NETDEV_BOND_XMIT_HASH_POLICY_LAYER2
] = "layer2",
48 [NETDEV_BOND_XMIT_HASH_POLICY_LAYER34
] = "layer3+4",
49 [NETDEV_BOND_XMIT_HASH_POLICY_LAYER23
] = "layer2+3",
50 [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23
] = "encap2+3",
51 [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34
] = "encap3+4",
54 DEFINE_STRING_TABLE_LOOKUP(bond_xmit_hash_policy
, BondXmitHashPolicy
);
55 DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_xmit_hash_policy
,
56 bond_xmit_hash_policy
,
58 "Failed to parse bond transmit hash policy")
60 static const char* const bond_lacp_rate_table
[_NETDEV_BOND_LACP_RATE_MAX
] = {
61 [NETDEV_BOND_LACP_RATE_SLOW
] = "slow",
62 [NETDEV_BOND_LACP_RATE_FAST
] = "fast",
65 DEFINE_STRING_TABLE_LOOKUP(bond_lacp_rate
, BondLacpRate
);
66 DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_lacp_rate
, bond_lacp_rate
, BondLacpRate
, "Failed to parse bond lacp rate")
68 static uint8_t bond_mode_to_kernel(BondMode mode
) {
70 case NETDEV_BOND_MODE_BALANCE_RR
:
71 return BOND_MODE_ROUNDROBIN
;
72 case NETDEV_BOND_MODE_ACTIVE_BACKUP
:
73 return BOND_MODE_ACTIVEBACKUP
;
74 case NETDEV_BOND_MODE_BALANCE_XOR
:
76 case NETDEV_BOND_MODE_BROADCAST
:
77 return BOND_MODE_BROADCAST
;
78 case NETDEV_BOND_MODE_802_3AD
:
79 return BOND_MODE_8023AD
;
80 case NETDEV_BOND_MODE_BALANCE_TLB
:
82 case NETDEV_BOND_MODE_BALANCE_ALB
:
89 static uint8_t bond_xmit_hash_policy_to_kernel(BondXmitHashPolicy policy
) {
91 case NETDEV_BOND_XMIT_HASH_POLICY_LAYER2
:
92 return BOND_XMIT_POLICY_LAYER2
;
93 case NETDEV_BOND_XMIT_HASH_POLICY_LAYER34
:
94 return BOND_XMIT_POLICY_LAYER34
;
95 case NETDEV_BOND_XMIT_HASH_POLICY_LAYER23
:
96 return BOND_XMIT_POLICY_LAYER23
;
97 case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23
:
98 return BOND_XMIT_POLICY_ENCAP23
;
99 case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34
:
100 return BOND_XMIT_POLICY_ENCAP34
;
106 static int netdev_bond_fill_message_create(NetDev
*netdev
, Link
*link
, sd_rtnl_message
*m
) {
107 Bond
*b
= BOND(netdev
);
115 if (b
->mode
!= _NETDEV_BOND_MODE_INVALID
) {
116 r
= sd_rtnl_message_append_u8(m
, IFLA_BOND_MODE
,
117 bond_mode_to_kernel(b
->mode
));
119 log_netdev_error(netdev
,
120 "Could not append IFLA_BOND_MODE attribute: %s",
126 if (b
->xmit_hash_policy
!= _NETDEV_BOND_XMIT_HASH_POLICY_INVALID
) {
127 r
= sd_rtnl_message_append_u8(m
, IFLA_BOND_XMIT_HASH_POLICY
,
128 bond_xmit_hash_policy_to_kernel(b
->xmit_hash_policy
));
130 log_netdev_error(netdev
,
131 "Could not append IFLA_BOND_XMIT_HASH_POLICY attribute: %s",
137 if (b
->lacp_rate
!= _NETDEV_BOND_LACP_RATE_INVALID
&&
138 b
->mode
== NETDEV_BOND_MODE_802_3AD
) {
139 r
= sd_rtnl_message_append_u8(m
, IFLA_BOND_AD_LACP_RATE
, b
->lacp_rate
);
141 log_netdev_error(netdev
,
142 "Could not append IFLA_BOND_AD_LACP_RATE attribute: %s",
148 if (b
->miimon
!= 0) {
149 r
= sd_rtnl_message_append_u32(m
, IFLA_BOND_MIIMON
, b
->miimon
/ USEC_PER_MSEC
);
151 log_netdev_error(netdev
,
152 "Could not append IFLA_BOND_BOND_MIIMON attribute: %s",
158 if (b
->downdelay
!= 0) {
159 r
= sd_rtnl_message_append_u32(m
, IFLA_BOND_DOWNDELAY
, b
->downdelay
/ USEC_PER_MSEC
);
161 log_netdev_error(netdev
,
162 "Could not append IFLA_BOND_DOWNDELAY attribute: %s",
168 if (b
->updelay
!= 0) {
169 r
= sd_rtnl_message_append_u32(m
, IFLA_BOND_UPDELAY
, b
->updelay
/ USEC_PER_MSEC
);
171 log_netdev_error(netdev
,
172 "Could not append IFLA_BOND_UPDELAY attribute: %s",
181 static void bond_init(NetDev
*netdev
) {
182 Bond
*b
= BOND(netdev
);
187 b
->mode
= _NETDEV_BOND_MODE_INVALID
;
188 b
->xmit_hash_policy
= _NETDEV_BOND_XMIT_HASH_POLICY_INVALID
;
189 b
->lacp_rate
= _NETDEV_BOND_LACP_RATE_INVALID
;
192 const NetDevVTable bond_vtable
= {
193 .object_size
= sizeof(Bond
),
195 .sections
= "Match\0NetDev\0Bond\0",
196 .fill_message_create
= netdev_bond_fill_message_create
,
197 .create_type
= NETDEV_CREATE_MASTER
,