src/network/netdev/bond.h

   1 #pragma once
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2014 Tom Gundersen <teg@jklm.no>
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include "in-addr-util.h"
  23 #include "list.h"
  24
  25 #include "netdev/netdev.h"
  26
  27 /*
  28  * Maximum number of targets supported by the kernel for a single
  29  * bond netdev.
  30  */
  31 #define NETDEV_BOND_ARP_TARGETS_MAX 16
  32
  33 typedef enum BondMode {
  34         NETDEV_BOND_MODE_BALANCE_RR,
  35         NETDEV_BOND_MODE_ACTIVE_BACKUP,
  36         NETDEV_BOND_MODE_BALANCE_XOR,
  37         NETDEV_BOND_MODE_BROADCAST,
  38         NETDEV_BOND_MODE_802_3AD,
  39         NETDEV_BOND_MODE_BALANCE_TLB,
  40         NETDEV_BOND_MODE_BALANCE_ALB,
  41         _NETDEV_BOND_MODE_MAX,
  42         _NETDEV_BOND_MODE_INVALID = -1
  43 } BondMode;
  44
  45 typedef enum BondXmitHashPolicy {
  46         NETDEV_BOND_XMIT_HASH_POLICY_LAYER2,
  47         NETDEV_BOND_XMIT_HASH_POLICY_LAYER34,
  48         NETDEV_BOND_XMIT_HASH_POLICY_LAYER23,
  49         NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23,
  50         NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34,
  51         _NETDEV_BOND_XMIT_HASH_POLICY_MAX,
  52         _NETDEV_BOND_XMIT_HASH_POLICY_INVALID = -1
  53 } BondXmitHashPolicy;
  54
  55 typedef enum BondLacpRate {
  56         NETDEV_BOND_LACP_RATE_SLOW,
  57         NETDEV_BOND_LACP_RATE_FAST,
  58         _NETDEV_BOND_LACP_RATE_MAX,
  59         _NETDEV_BOND_LACP_RATE_INVALID = -1,
  60 } BondLacpRate;
  61
  62 typedef enum BondAdSelect {
  63         NETDEV_BOND_AD_SELECT_STABLE,
  64         NETDEV_BOND_AD_SELECT_BANDWIDTH,
  65         NETDEV_BOND_AD_SELECT_COUNT,
  66         _NETDEV_BOND_AD_SELECT_MAX,
  67         _NETDEV_BOND_AD_SELECT_INVALID = -1,
  68 } BondAdSelect;
  69
  70 typedef enum BondFailOverMac {
  71         NETDEV_BOND_FAIL_OVER_MAC_NONE,
  72         NETDEV_BOND_FAIL_OVER_MAC_ACTIVE,
  73         NETDEV_BOND_FAIL_OVER_MAC_FOLLOW,
  74         _NETDEV_BOND_FAIL_OVER_MAC_MAX,
  75         _NETDEV_BOND_FAIL_OVER_MAC_INVALID = -1,
  76 } BondFailOverMac;
  77
  78 typedef enum BondArpValidate {
  79         NETDEV_BOND_ARP_VALIDATE_NONE,
  80         NETDEV_BOND_ARP_VALIDATE_ACTIVE,
  81         NETDEV_BOND_ARP_VALIDATE_BACKUP,
  82         NETDEV_BOND_ARP_VALIDATE_ALL,
  83         _NETDEV_BOND_ARP_VALIDATE_MAX,
  84         _NETDEV_BOND_ARP_VALIDATE_INVALID = -1,
  85 } BondArpValidate;
  86
  87 typedef enum BondArpAllTargets {
  88         NETDEV_BOND_ARP_ALL_TARGETS_ANY,
  89         NETDEV_BOND_ARP_ALL_TARGETS_ALL,
  90         _NETDEV_BOND_ARP_ALL_TARGETS_MAX,
  91         _NETDEV_BOND_ARP_ALL_TARGETS_INVALID = -1,
  92 } BondArpAllTargets;
  93
  94 typedef enum BondPrimaryReselect {
  95         NETDEV_BOND_PRIMARY_RESELECT_ALWAYS,
  96         NETDEV_BOND_PRIMARY_RESELECT_BETTER,
  97         NETDEV_BOND_PRIMARY_RESELECT_FAILURE,
  98         _NETDEV_BOND_PRIMARY_RESELECT_MAX,
  99         _NETDEV_BOND_PRIMARY_RESELECT_INVALID = -1,
 100 } BondPrimaryReselect;
 101
 102 typedef struct ArpIpTarget {
 103         union in_addr_union ip;
 104
 105         LIST_FIELDS(struct ArpIpTarget, arp_ip_target);
 106 } ArpIpTarget;
 107
 108 typedef struct Bond {
 109         NetDev meta;
 110
 111         BondMode mode;
 112         BondXmitHashPolicy xmit_hash_policy;
 113         BondLacpRate lacp_rate;
 114         BondAdSelect ad_select;
 115         BondFailOverMac fail_over_mac;
 116         BondArpValidate arp_validate;
 117         BondArpAllTargets arp_all_targets;
 118         BondPrimaryReselect primary_reselect;
 119
 120         bool all_slaves_active;
 121
 122         unsigned resend_igmp;
 123         unsigned packets_per_slave;
 124         unsigned num_grat_arp;
 125         unsigned min_links;
 126
 127         usec_t miimon;
 128         usec_t updelay;
 129         usec_t downdelay;
 130         usec_t arp_interval;
 131         usec_t lp_interval;
 132
 133         int n_arp_ip_targets;
 134         ArpIpTarget *arp_ip_targets;
 135 } Bond;
 136
 137 DEFINE_NETDEV_CAST(BOND, Bond);
 138 extern const NetDevVTable bond_vtable;
 139
 140 const char *bond_mode_to_string(BondMode d) _const_;
 141 BondMode bond_mode_from_string(const char *d) _pure_;
 142
 143 const char *bond_xmit_hash_policy_to_string(BondXmitHashPolicy d) _const_;
 144 BondXmitHashPolicy bond_xmit_hash_policy_from_string(const char *d) _pure_;
 145
 146 const char *bond_lacp_rate_to_string(BondLacpRate d) _const_;
 147 BondLacpRate bond_lacp_rate_from_string(const char *d) _pure_;
 148
 149 const char *bond_fail_over_mac_to_string(BondFailOverMac d) _const_;
 150 BondFailOverMac bond_fail_over_mac_from_string(const char *d) _pure_;
 151
 152 const char *bond_ad_select_to_string(BondAdSelect d) _const_;
 153 BondAdSelect bond_ad_select_from_string(const char *d) _pure_;
 154
 155 const char *bond_arp_validate_to_string(BondArpValidate d) _const_;
 156 BondArpValidate bond_arp_validate_from_string(const char *d) _pure_;
 157
 158 const char *bond_arp_all_targets_to_string(BondArpAllTargets d) _const_;
 159 BondArpAllTargets bond_arp_all_targets_from_string(const char *d) _pure_;
 160
 161 const char *bond_primary_reselect_to_string(BondPrimaryReselect d) _const_;
 162 BondPrimaryReselect bond_primary_reselect_from_string(const char *d) _pure_;
 163
 164 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);
 165 int config_parse_bond_xmit_hash_policy(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);
 166 int config_parse_bond_lacp_rate(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);
 167 int config_parse_bond_ad_select(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);
 168 int config_parse_bond_fail_over_mac(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);
 169 int config_parse_bond_arp_validate(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);
 170 int config_parse_bond_arp_all_targets(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);
 171 int config_parse_bond_primary_reselect(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);
 172 int config_parse_arp_ip_target_address(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);