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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
David S. Miller1ef80192014-11-10 13:27:49 -050011#ifndef _NET_BOND_OPTIONS_H
12#define _NET_BOND_OPTIONS_H
Nikolay Aleksandrov09117362014-01-22 14:53:16 +010013
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 Aleksandrov24089ba2014-01-22 14:53:36 +010060 BOND_OPT_QUEUE_ID,
Nikolay Aleksandrov3df01162014-01-22 14:53:37 +010061 BOND_OPT_ALL_SLAVES_ACTIVE,
Nikolay Aleksandrov105c8fb2014-01-22 14:53:38 +010062 BOND_OPT_RESEND_IGMP,
Nikolay Aleksandrov4325b372014-01-22 14:53:39 +010063 BOND_OPT_LP_INTERVAL,
Nikolay Aleksandrov0e2e5b62014-01-22 14:53:40 +010064 BOND_OPT_SLAVES,
Mahesh Bandeware9f0fb82014-04-22 16:30:22 -070065 BOND_OPT_TLB_DYNAMIC_LB,
Mahesh Bandewar6791e462015-05-09 00:01:55 -070066 BOND_OPT_AD_ACTOR_SYS_PRIO,
Nikolay Aleksandrov09117362014-01-22 14:53:16 +010067 BOND_OPT_LAST
68};
69
70/* This structure is used for storing option values and for passing option
71 * values when changing an option. The logic when used as an arg is as follows:
72 * - if string != NULL -> parse it, if the opt is RAW type then return it, else
73 * return the parse result
74 * - if string == NULL -> parse value
75 */
76struct bond_opt_value {
77 char *string;
78 u64 value;
79 u32 flags;
80};
81
82struct bonding;
83
84struct bond_option {
85 int id;
stephen hemmingerf3253332014-03-04 16:36:44 -080086 const char *name;
87 const char *desc;
Nikolay Aleksandrov09117362014-01-22 14:53:16 +010088 u32 flags;
89
90 /* unsuppmodes is used to denote modes in which the option isn't
91 * supported.
92 */
93 unsigned long unsuppmodes;
94 /* supported values which this option can have, can be a subset of
95 * BOND_OPTVAL_RANGE's value range
96 */
stephen hemmingerf3253332014-03-04 16:36:44 -080097 const struct bond_opt_value *values;
Nikolay Aleksandrov09117362014-01-22 14:53:16 +010098
stephen hemminger28f084c2014-03-06 14:20:17 -080099 int (*set)(struct bonding *bond, const struct bond_opt_value *val);
Nikolay Aleksandrov09117362014-01-22 14:53:16 +0100100};
101
102int __bond_opt_set(struct bonding *bond, unsigned int option,
103 struct bond_opt_value *val);
104int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf);
stephen hemminger28f084c2014-03-06 14:20:17 -0800105
stephen hemmingerf3253332014-03-04 16:36:44 -0800106const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt,
stephen hemminger28f084c2014-03-06 14:20:17 -0800107 struct bond_opt_value *val);
stephen hemmingerf3253332014-03-04 16:36:44 -0800108const struct bond_option *bond_opt_get(unsigned int option);
Nikolay Aleksandrovdc3e5d12014-05-08 14:23:54 +0200109const struct bond_option *bond_opt_get_by_name(const char *name);
stephen hemmingerf3253332014-03-04 16:36:44 -0800110const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val);
Nikolay Aleksandrov09117362014-01-22 14:53:16 +0100111
112/* This helper is used to initialize a bond_opt_value structure for parameter
113 * passing. There should be either a valid string or value, but not both.
114 * When value is ULLONG_MAX then string will be used.
115 */
116static inline void __bond_opt_init(struct bond_opt_value *optval,
117 char *string, u64 value)
118{
119 memset(optval, 0, sizeof(*optval));
120 optval->value = ULLONG_MAX;
121 if (value == ULLONG_MAX)
122 optval->string = string;
123 else
124 optval->value = value;
125}
126#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value)
127#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX)
Nikolay Aleksandrov2b3798d2014-01-22 14:53:17 +0100128
Nikolay Aleksandrov4fb0ef52014-01-22 14:53:24 +0100129void bond_option_arp_ip_targets_clear(struct bonding *bond);
stephen hemmingerf3253332014-03-04 16:36:44 -0800130
David S. Miller1ef80192014-11-10 13:27:49 -0500131#endif /* _NET_BOND_OPTIONS_H */