1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* drivers/net/bond/bond_options.h - bonding options
* Copyright (c) 2013 Nikolay Aleksandrov <nikolay@redhat.com>
*/
#ifndef _NET_BOND_OPTIONS_H
#define _NET_BOND_OPTIONS_H
#define BOND_OPT_MAX_NAMELEN 32
#define BOND_OPT_VALID(opt) ((opt) < BOND_OPT_LAST)
#define BOND_MODE_ALL_EX(x) (~(x))
/* Option flags:
* BOND_OPTFLAG_NOSLAVES - check if the bond device is empty before setting
* BOND_OPTFLAG_IFDOWN - check if the bond device is down before setting
* BOND_OPTFLAG_RAWVAL - the option parses the value itself
*/
enum {
BOND_OPTFLAG_NOSLAVES = BIT(0),
BOND_OPTFLAG_IFDOWN = BIT(1),
BOND_OPTFLAG_RAWVAL = BIT(2)
};
/* Value type flags:
* BOND_VALFLAG_DEFAULT - mark the value as default
* BOND_VALFLAG_(MIN|MAX) - mark the value as min/max
*/
enum {
BOND_VALFLAG_DEFAULT = BIT(0),
BOND_VALFLAG_MIN = BIT(1),
BOND_VALFLAG_MAX = BIT(2)
};
/* Option IDs, their bit positions correspond to their IDs */
enum {
BOND_OPT_MODE,
BOND_OPT_PACKETS_PER_SLAVE,
BOND_OPT_XMIT_HASH,
BOND_OPT_ARP_VALIDATE,
BOND_OPT_ARP_ALL_TARGETS,
BOND_OPT_FAIL_OVER_MAC,
BOND_OPT_ARP_INTERVAL,
BOND_OPT_ARP_TARGETS,
BOND_OPT_DOWNDELAY,
BOND_OPT_UPDELAY,
BOND_OPT_LACP_RATE,
BOND_OPT_MINLINKS,
BOND_OPT_AD_SELECT,
BOND_OPT_NUM_PEER_NOTIF,
BOND_OPT_MIIMON,
BOND_OPT_PRIMARY,
BOND_OPT_PRIMARY_RESELECT,
BOND_OPT_USE_CARRIER,
BOND_OPT_ACTIVE_SLAVE,
BOND_OPT_QUEUE_ID,
BOND_OPT_ALL_SLAVES_ACTIVE,
BOND_OPT_RESEND_IGMP,
BOND_OPT_LP_INTERVAL,
BOND_OPT_SLAVES,
BOND_OPT_TLB_DYNAMIC_LB,
BOND_OPT_AD_ACTOR_SYS_PRIO,
BOND_OPT_AD_ACTOR_SYSTEM,
BOND_OPT_AD_USER_PORT_KEY,
BOND_OPT_NUM_PEER_NOTIF_ALIAS,
BOND_OPT_PEER_NOTIF_DELAY,
BOND_OPT_LACP_ACTIVE,
BOND_OPT_MISSED_MAX,
BOND_OPT_LAST
};
/* This structure is used for storing option values and for passing option
* values when changing an option. The logic when used as an arg is as follows:
* - if value != ULLONG_MAX -> parse value
* - if string != NULL -> parse string
* - if the opt is RAW data and length less than maxlen,
* copy the data to extra storage
*/
#define BOND_OPT_EXTRA_MAXLEN 16
struct bond_opt_value {
char *string;
u64 value;
u32 flags;
char extra[BOND_OPT_EXTRA_MAXLEN];
};
struct bonding;
struct bond_option {
int id;
const char *name;
const char *desc;
u32 flags;
/* unsuppmodes is used to denote modes in which the option isn't
* supported.
*/
unsigned long unsuppmodes;
/* supported values which this option can have, can be a subset of
* BOND_OPTVAL_RANGE's value range
*/
const struct bond_opt_value *values;
int (*set)(struct bonding *bond, const struct bond_opt_value *val);
};
int __bond_opt_set(struct bonding *bond, unsigned int option,
struct bond_opt_value *val);
int __bond_opt_set_notify(struct bonding *bond, unsigned int option,
struct bond_opt_value *val);
int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf);
const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt,
struct bond_opt_value *val);
const struct bond_option *bond_opt_get(unsigned int option);
const struct bond_option *bond_opt_get_by_name(const char *name);
const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val);
/* This helper is used to initialize a bond_opt_value structure for parameter
* passing. There should be either a valid string or value, but not both.
* When value is ULLONG_MAX then string will be used.
*/
static inline void __bond_opt_init(struct bond_opt_value *optval,
char *string, u64 value,
void *extra, size_t extra_len)
{
memset(optval, 0, sizeof(*optval));
optval->value = ULLONG_MAX;
if (value != ULLONG_MAX)
optval->value = value;
else if (string)
optval->string = string;
else if (extra_len <= BOND_OPT_EXTRA_MAXLEN)
memcpy(optval->extra, extra, extra_len);
}
#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value, NULL, 0)
#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX, NULL, 0)
#define bond_opt_initextra(optval, extra, extra_len) \
__bond_opt_init(optval, NULL, ULLONG_MAX, extra, extra_len)
void bond_option_arp_ip_targets_clear(struct bonding *bond);
#endif /* _NET_BOND_OPTIONS_H */
|
