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
,
61 /* This structure is used for storing option values and for passing option
62 * values when changing an option. The logic when used as an arg is as follows:
63 * - if string != NULL -> parse it, if the opt is RAW type then return it, else
64 * return the parse result
65 * - if string == NULL -> parse value
67 struct bond_opt_value
{
81 /* unsuppmodes is used to denote modes in which the option isn't
84 unsigned long unsuppmodes
;
85 /* supported values which this option can have, can be a subset of
86 * BOND_OPTVAL_RANGE's value range
88 struct bond_opt_value
*values
;
90 int (*set
)(struct bonding
*bond
, struct bond_opt_value
*val
);
93 int __bond_opt_set(struct bonding
*bond
, unsigned int option
,
94 struct bond_opt_value
*val
);
95 int bond_opt_tryset_rtnl(struct bonding
*bond
, unsigned int option
, char *buf
);
96 struct bond_opt_value
*bond_opt_parse(const struct bond_option
*opt
,
97 struct bond_opt_value
*val
);
98 struct bond_option
*bond_opt_get(unsigned int option
);
99 struct bond_opt_value
*bond_opt_get_val(unsigned int option
, u64 val
);
101 /* This helper is used to initialize a bond_opt_value structure for parameter
102 * passing. There should be either a valid string or value, but not both.
103 * When value is ULLONG_MAX then string will be used.
105 static inline void __bond_opt_init(struct bond_opt_value
*optval
,
106 char *string
, u64 value
)
108 memset(optval
, 0, sizeof(*optval
));
109 optval
->value
= ULLONG_MAX
;
110 if (value
== ULLONG_MAX
)
111 optval
->string
= string
;
113 optval
->value
= value
;
115 #define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value)
116 #define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX)
118 int bond_option_mode_set(struct bonding
*bond
, struct bond_opt_value
*newval
);
119 int bond_option_pps_set(struct bonding
*bond
, struct bond_opt_value
*newval
);
120 int bond_option_xmit_hash_policy_set(struct bonding
*bond
,
121 struct bond_opt_value
*newval
);
122 int bond_option_arp_validate_set(struct bonding
*bond
,
123 struct bond_opt_value
*newval
);
124 int bond_option_arp_all_targets_set(struct bonding
*bond
,
125 struct bond_opt_value
*newval
);
126 int bond_option_fail_over_mac_set(struct bonding
*bond
,
127 struct bond_opt_value
*newval
);
128 int bond_option_arp_interval_set(struct bonding
*bond
,
129 struct bond_opt_value
*newval
);
130 int bond_option_arp_ip_targets_set(struct bonding
*bond
,
131 struct bond_opt_value
*newval
);
132 void bond_option_arp_ip_targets_clear(struct bonding
*bond
);
133 int bond_option_downdelay_set(struct bonding
*bond
,
134 struct bond_opt_value
*newval
);
135 int bond_option_updelay_set(struct bonding
*bond
,
136 struct bond_opt_value
*newval
);
137 int bond_option_lacp_rate_set(struct bonding
*bond
,
138 struct bond_opt_value
*newval
);
139 int bond_option_min_links_set(struct bonding
*bond
,
140 struct bond_opt_value
*newval
);
141 int bond_option_ad_select_set(struct bonding
*bond
,
142 struct bond_opt_value
*newval
);
143 int bond_option_num_peer_notif_set(struct bonding
*bond
,
144 struct bond_opt_value
*newval
);
145 int bond_option_miimon_set(struct bonding
*bond
, struct bond_opt_value
*newval
);
146 int bond_option_primary_set(struct bonding
*bond
,
147 struct bond_opt_value
*newval
);
148 int bond_option_primary_reselect_set(struct bonding
*bond
,
149 struct bond_opt_value
*newval
);
150 #endif /* _BOND_OPTIONS_H */