2 * drivers/net/bond/bond_options.h - bonding options
3 * Copyright (c) 2013 Nikolay Aleksandrov <nikolay@redhat.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
11 #ifndef _BOND_OPTIONS_H
12 #define _BOND_OPTIONS_H
14 #define BOND_OPT_MAX_NAMELEN 32
15 #define BOND_OPT_VALID(opt) ((opt) < BOND_OPT_LAST)
16 #define BOND_MODE_ALL_EX(x) (~(x))
19 * BOND_OPTFLAG_NOSLAVES - check if the bond device is empty before setting
20 * BOND_OPTFLAG_IFDOWN - check if the bond device is down before setting
21 * BOND_OPTFLAG_RAWVAL - the option parses the value itself
24 BOND_OPTFLAG_NOSLAVES = BIT(0),
25 BOND_OPTFLAG_IFDOWN = BIT(1),
26 BOND_OPTFLAG_RAWVAL = BIT(2)
30 * BOND_VALFLAG_DEFAULT - mark the value as default
31 * BOND_VALFLAG_(MIN|MAX) - mark the value as min/max
34 BOND_VALFLAG_DEFAULT = BIT(0),
35 BOND_VALFLAG_MIN = BIT(1),
36 BOND_VALFLAG_MAX = BIT(2)
39 /* Option IDs, their bit positions correspond to their IDs */
42 BOND_OPT_PACKETS_PER_SLAVE,
44 BOND_OPT_ARP_VALIDATE,
45 BOND_OPT_ARP_ALL_TARGETS,
46 BOND_OPT_FAIL_OVER_MAC,
47 BOND_OPT_ARP_INTERVAL,
54 BOND_OPT_NUM_PEER_NOTIF,
57 BOND_OPT_PRIMARY_RESELECT,
59 BOND_OPT_ACTIVE_SLAVE,
61 BOND_OPT_ALL_SLAVES_ACTIVE,
67 /* This structure is used for storing option values and for passing option
68 * values when changing an option. The logic when used as an arg is as follows:
69 * - if string != NULL -> parse it, if the opt is RAW type then return it, else
70 * return the parse result
71 * - if string == NULL -> parse value
73 struct bond_opt_value {
87 /* unsuppmodes is used to denote modes in which the option isn't
90 unsigned long unsuppmodes;
91 /* supported values which this option can have, can be a subset of
92 * BOND_OPTVAL_RANGE's value range
94 struct bond_opt_value *values;
96 int (*set)(struct bonding *bond, struct bond_opt_value *val);
99 int __bond_opt_set(struct bonding *bond, unsigned int option,
100 struct bond_opt_value *val);
101 int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf);
102 struct bond_opt_value *bond_opt_parse(const struct bond_option *opt,
103 struct bond_opt_value *val);
104 struct bond_option *bond_opt_get(unsigned int option);
105 struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val);
107 /* This helper is used to initialize a bond_opt_value structure for parameter
108 * passing. There should be either a valid string or value, but not both.
109 * When value is ULLONG_MAX then string will be used.
111 static inline void __bond_opt_init(struct bond_opt_value *optval,
112 char *string, u64 value)
114 memset(optval, 0, sizeof(*optval));
115 optval->value = ULLONG_MAX;
116 if (value == ULLONG_MAX)
117 optval->string = string;
119 optval->value = value;
121 #define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value)
122 #define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX)
124 int bond_option_mode_set(struct bonding *bond, struct bond_opt_value *newval);
125 int bond_option_pps_set(struct bonding *bond, struct bond_opt_value *newval);
126 int bond_option_xmit_hash_policy_set(struct bonding *bond,
127 struct bond_opt_value *newval);
128 int bond_option_arp_validate_set(struct bonding *bond,
129 struct bond_opt_value *newval);
130 int bond_option_arp_all_targets_set(struct bonding *bond,
131 struct bond_opt_value *newval);
132 int bond_option_fail_over_mac_set(struct bonding *bond,
133 struct bond_opt_value *newval);
134 int bond_option_arp_interval_set(struct bonding *bond,
135 struct bond_opt_value *newval);
136 int bond_option_arp_ip_targets_set(struct bonding *bond,
137 struct bond_opt_value *newval);
138 void bond_option_arp_ip_targets_clear(struct bonding *bond);
139 int bond_option_downdelay_set(struct bonding *bond,
140 struct bond_opt_value *newval);
141 int bond_option_updelay_set(struct bonding *bond,
142 struct bond_opt_value *newval);
143 int bond_option_lacp_rate_set(struct bonding *bond,
144 struct bond_opt_value *newval);
145 int bond_option_min_links_set(struct bonding *bond,
146 struct bond_opt_value *newval);
147 int bond_option_ad_select_set(struct bonding *bond,
148 struct bond_opt_value *newval);
149 int bond_option_num_peer_notif_set(struct bonding *bond,
150 struct bond_opt_value *newval);
151 int bond_option_miimon_set(struct bonding *bond, struct bond_opt_value *newval);
152 int bond_option_primary_set(struct bonding *bond,
153 struct bond_opt_value *newval);
154 int bond_option_primary_reselect_set(struct bonding *bond,
155 struct bond_opt_value *newval);
156 int bond_option_use_carrier_set(struct bonding *bond,
157 struct bond_opt_value *newval);
158 int bond_option_active_slave_set(struct bonding *bond,
159 struct bond_opt_value *newval);
160 int bond_option_queue_id_set(struct bonding *bond,
161 struct bond_opt_value *newval);
162 int bond_option_all_slaves_active_set(struct bonding *bond,
163 struct bond_opt_value *newval);
164 int bond_option_resend_igmp_set(struct bonding *bond,
165 struct bond_opt_value *newval);
166 int bond_option_lp_interval_set(struct bonding *bond,
167 struct bond_opt_value *newval);
168 #endif /* _BOND_OPTIONS_H */