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Nikolay Aleksandrov09117362014-01-22 14:53:16 +01001/*
2 * drivers/net/bond/bond_options.h - bonding options
3 * Copyright (c) 2013 Nikolay Aleksandrov <nikolay@redhat.com>
4 *
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.
9 */
10
11#ifndef _BOND_OPTIONS_H
12#define _BOND_OPTIONS_H
13
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))
17
18/* Option flags:
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
22 */
23enum {
24 BOND_OPTFLAG_NOSLAVES = BIT(0),
25 BOND_OPTFLAG_IFDOWN = BIT(1),
26 BOND_OPTFLAG_RAWVAL = BIT(2)
27};
28
29/* Value type flags:
30 * BOND_VALFLAG_DEFAULT - mark the value as default
31 * BOND_VALFLAG_(MIN|MAX) - mark the value as min/max
32 */
33enum {
34 BOND_VALFLAG_DEFAULT = BIT(0),
35 BOND_VALFLAG_MIN = BIT(1),
36 BOND_VALFLAG_MAX = BIT(2)
37};
38
39/* Option IDs, their bit positions correspond to their IDs */
40enum {
Nikolay Aleksandrov2b3798d2014-01-22 14:53:17 +010041 BOND_OPT_MODE,
Nikolay Aleksandrovaa59d852014-01-22 14:53:18 +010042 BOND_OPT_PACKETS_PER_SLAVE,
Nikolay Aleksandrova4b32ce2014-01-22 14:53:19 +010043 BOND_OPT_XMIT_HASH,
Nikolay Aleksandrov16228882014-01-22 14:53:20 +010044 BOND_OPT_ARP_VALIDATE,
Nikolay Aleksandrovedf36b22014-01-22 14:53:21 +010045 BOND_OPT_ARP_ALL_TARGETS,
Nikolay Aleksandrov1df6b6a2014-01-22 14:53:22 +010046 BOND_OPT_FAIL_OVER_MAC,
Nikolay Aleksandrov7bdb04e2014-01-22 14:53:23 +010047 BOND_OPT_ARP_INTERVAL,
Nikolay Aleksandrov4fb0ef52014-01-22 14:53:24 +010048 BOND_OPT_ARP_TARGETS,
Nikolay Aleksandrov25a9b542014-01-22 14:53:25 +010049 BOND_OPT_DOWNDELAY,
Nikolay Aleksandrove4994612014-01-22 14:53:26 +010050 BOND_OPT_UPDELAY,
Nikolay Aleksandrovd3131de2014-01-22 14:53:27 +010051 BOND_OPT_LACP_RATE,
Nikolay Aleksandrov633ddc92014-01-22 14:53:28 +010052 BOND_OPT_MINLINKS,
Nikolay Aleksandrov9e5f5ee2014-01-22 14:53:29 +010053 BOND_OPT_AD_SELECT,
Nikolay Aleksandrovef56bec2014-01-22 14:53:30 +010054 BOND_OPT_NUM_PEER_NOTIF,
Nikolay Aleksandrovb98d9c62014-01-22 14:53:31 +010055 BOND_OPT_MIIMON,
Nikolay Aleksandrov180222f2014-01-22 14:53:32 +010056 BOND_OPT_PRIMARY,
Nikolay Aleksandrov388d3a62014-01-22 14:53:33 +010057 BOND_OPT_PRIMARY_RESELECT,
Nikolay Aleksandrov0fff0602014-01-22 14:53:34 +010058 BOND_OPT_USE_CARRIER,
Nikolay Aleksandrovd1fbd3e2014-01-22 14:53:35 +010059 BOND_OPT_ACTIVE_SLAVE,
Nikolay Aleksandrov09117362014-01-22 14:53:16 +010060 BOND_OPT_LAST
61};
62
63/* This structure is used for storing option values and for passing option
64 * values when changing an option. The logic when used as an arg is as follows:
65 * - if string != NULL -> parse it, if the opt is RAW type then return it, else
66 * return the parse result
67 * - if string == NULL -> parse value
68 */
69struct bond_opt_value {
70 char *string;
71 u64 value;
72 u32 flags;
73};
74
75struct bonding;
76
77struct bond_option {
78 int id;
79 char *name;
80 char *desc;
81 u32 flags;
82
83 /* unsuppmodes is used to denote modes in which the option isn't
84 * supported.
85 */
86 unsigned long unsuppmodes;
87 /* supported values which this option can have, can be a subset of
88 * BOND_OPTVAL_RANGE's value range
89 */
90 struct bond_opt_value *values;
91
92 int (*set)(struct bonding *bond, struct bond_opt_value *val);
93};
94
95int __bond_opt_set(struct bonding *bond, unsigned int option,
96 struct bond_opt_value *val);
97int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf);
98struct bond_opt_value *bond_opt_parse(const struct bond_option *opt,
99 struct bond_opt_value *val);
100struct bond_option *bond_opt_get(unsigned int option);
101struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val);
102
103/* This helper is used to initialize a bond_opt_value structure for parameter
104 * passing. There should be either a valid string or value, but not both.
105 * When value is ULLONG_MAX then string will be used.
106 */
107static inline void __bond_opt_init(struct bond_opt_value *optval,
108 char *string, u64 value)
109{
110 memset(optval, 0, sizeof(*optval));
111 optval->value = ULLONG_MAX;
112 if (value == ULLONG_MAX)
113 optval->string = string;
114 else
115 optval->value = value;
116}
117#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value)
118#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX)
Nikolay Aleksandrov2b3798d2014-01-22 14:53:17 +0100119
120int bond_option_mode_set(struct bonding *bond, struct bond_opt_value *newval);
Nikolay Aleksandrovaa59d852014-01-22 14:53:18 +0100121int bond_option_pps_set(struct bonding *bond, struct bond_opt_value *newval);
Nikolay Aleksandrova4b32ce2014-01-22 14:53:19 +0100122int bond_option_xmit_hash_policy_set(struct bonding *bond,
123 struct bond_opt_value *newval);
Nikolay Aleksandrov16228882014-01-22 14:53:20 +0100124int bond_option_arp_validate_set(struct bonding *bond,
125 struct bond_opt_value *newval);
Nikolay Aleksandrovedf36b22014-01-22 14:53:21 +0100126int bond_option_arp_all_targets_set(struct bonding *bond,
127 struct bond_opt_value *newval);
Nikolay Aleksandrov1df6b6a2014-01-22 14:53:22 +0100128int bond_option_fail_over_mac_set(struct bonding *bond,
129 struct bond_opt_value *newval);
Nikolay Aleksandrov7bdb04e2014-01-22 14:53:23 +0100130int bond_option_arp_interval_set(struct bonding *bond,
131 struct bond_opt_value *newval);
Nikolay Aleksandrov4fb0ef52014-01-22 14:53:24 +0100132int bond_option_arp_ip_targets_set(struct bonding *bond,
133 struct bond_opt_value *newval);
134void bond_option_arp_ip_targets_clear(struct bonding *bond);
Nikolay Aleksandrov25a9b542014-01-22 14:53:25 +0100135int bond_option_downdelay_set(struct bonding *bond,
136 struct bond_opt_value *newval);
Nikolay Aleksandrove4994612014-01-22 14:53:26 +0100137int bond_option_updelay_set(struct bonding *bond,
138 struct bond_opt_value *newval);
Nikolay Aleksandrovd3131de2014-01-22 14:53:27 +0100139int bond_option_lacp_rate_set(struct bonding *bond,
140 struct bond_opt_value *newval);
Nikolay Aleksandrov633ddc92014-01-22 14:53:28 +0100141int bond_option_min_links_set(struct bonding *bond,
142 struct bond_opt_value *newval);
Nikolay Aleksandrov9e5f5ee2014-01-22 14:53:29 +0100143int bond_option_ad_select_set(struct bonding *bond,
144 struct bond_opt_value *newval);
Nikolay Aleksandrovef56bec2014-01-22 14:53:30 +0100145int bond_option_num_peer_notif_set(struct bonding *bond,
146 struct bond_opt_value *newval);
Nikolay Aleksandrovb98d9c62014-01-22 14:53:31 +0100147int bond_option_miimon_set(struct bonding *bond, struct bond_opt_value *newval);
Nikolay Aleksandrov180222f2014-01-22 14:53:32 +0100148int bond_option_primary_set(struct bonding *bond,
149 struct bond_opt_value *newval);
Nikolay Aleksandrov388d3a62014-01-22 14:53:33 +0100150int bond_option_primary_reselect_set(struct bonding *bond,
151 struct bond_opt_value *newval);
Nikolay Aleksandrov0fff0602014-01-22 14:53:34 +0100152int bond_option_use_carrier_set(struct bonding *bond,
153 struct bond_opt_value *newval);
Nikolay Aleksandrovd1fbd3e2014-01-22 14:53:35 +0100154int bond_option_active_slave_set(struct bonding *bond,
155 struct bond_opt_value *newval);
Nikolay Aleksandrov09117362014-01-22 14:53:16 +0100156#endif /* _BOND_OPTIONS_H */