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133 lines
3.7 KiB
133 lines
3.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* drivers/net/bond/bond_options.h - bonding options |
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* Copyright (c) 2013 Nikolay Aleksandrov <[email protected]> |
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*/ |
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#ifndef _NET_BOND_OPTIONS_H |
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#define _NET_BOND_OPTIONS_H |
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#define BOND_OPT_MAX_NAMELEN 32 |
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#define BOND_OPT_VALID(opt) ((opt) < BOND_OPT_LAST) |
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#define BOND_MODE_ALL_EX(x) (~(x)) |
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/* Option flags: |
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* BOND_OPTFLAG_NOSLAVES - check if the bond device is empty before setting |
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* BOND_OPTFLAG_IFDOWN - check if the bond device is down before setting |
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* BOND_OPTFLAG_RAWVAL - the option parses the value itself |
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*/ |
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enum { |
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BOND_OPTFLAG_NOSLAVES = BIT(0), |
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BOND_OPTFLAG_IFDOWN = BIT(1), |
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BOND_OPTFLAG_RAWVAL = BIT(2) |
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}; |
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/* Value type flags: |
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* BOND_VALFLAG_DEFAULT - mark the value as default |
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* BOND_VALFLAG_(MIN|MAX) - mark the value as min/max |
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*/ |
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enum { |
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BOND_VALFLAG_DEFAULT = BIT(0), |
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BOND_VALFLAG_MIN = BIT(1), |
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BOND_VALFLAG_MAX = BIT(2) |
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}; |
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/* Option IDs, their bit positions correspond to their IDs */ |
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enum { |
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BOND_OPT_MODE, |
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BOND_OPT_PACKETS_PER_SLAVE, |
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BOND_OPT_XMIT_HASH, |
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BOND_OPT_ARP_VALIDATE, |
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BOND_OPT_ARP_ALL_TARGETS, |
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BOND_OPT_FAIL_OVER_MAC, |
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BOND_OPT_ARP_INTERVAL, |
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BOND_OPT_ARP_TARGETS, |
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BOND_OPT_DOWNDELAY, |
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BOND_OPT_UPDELAY, |
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BOND_OPT_LACP_RATE, |
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BOND_OPT_MINLINKS, |
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BOND_OPT_AD_SELECT, |
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BOND_OPT_NUM_PEER_NOTIF, |
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BOND_OPT_MIIMON, |
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BOND_OPT_PRIMARY, |
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BOND_OPT_PRIMARY_RESELECT, |
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BOND_OPT_USE_CARRIER, |
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BOND_OPT_ACTIVE_SLAVE, |
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BOND_OPT_QUEUE_ID, |
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BOND_OPT_ALL_SLAVES_ACTIVE, |
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BOND_OPT_RESEND_IGMP, |
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BOND_OPT_LP_INTERVAL, |
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BOND_OPT_SLAVES, |
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BOND_OPT_TLB_DYNAMIC_LB, |
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BOND_OPT_AD_ACTOR_SYS_PRIO, |
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BOND_OPT_AD_ACTOR_SYSTEM, |
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BOND_OPT_AD_USER_PORT_KEY, |
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BOND_OPT_NUM_PEER_NOTIF_ALIAS, |
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BOND_OPT_PEER_NOTIF_DELAY, |
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BOND_OPT_LAST |
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}; |
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/* This structure is used for storing option values and for passing option |
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* values when changing an option. The logic when used as an arg is as follows: |
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* - if string != NULL -> parse it, if the opt is RAW type then return it, else |
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* return the parse result |
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* - if string == NULL -> parse value |
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*/ |
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struct bond_opt_value { |
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char *string; |
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u64 value; |
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u32 flags; |
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}; |
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struct bonding; |
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struct bond_option { |
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int id; |
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const char *name; |
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const char *desc; |
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u32 flags; |
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/* unsuppmodes is used to denote modes in which the option isn't |
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* supported. |
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*/ |
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unsigned long unsuppmodes; |
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/* supported values which this option can have, can be a subset of |
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* BOND_OPTVAL_RANGE's value range |
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*/ |
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const struct bond_opt_value *values; |
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int (*set)(struct bonding *bond, const struct bond_opt_value *val); |
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}; |
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int __bond_opt_set(struct bonding *bond, unsigned int option, |
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struct bond_opt_value *val); |
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int __bond_opt_set_notify(struct bonding *bond, unsigned int option, |
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struct bond_opt_value *val); |
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int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf); |
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const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
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struct bond_opt_value *val); |
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const struct bond_option *bond_opt_get(unsigned int option); |
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const struct bond_option *bond_opt_get_by_name(const char *name); |
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const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val); |
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/* This helper is used to initialize a bond_opt_value structure for parameter |
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* passing. There should be either a valid string or value, but not both. |
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* When value is ULLONG_MAX then string will be used. |
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*/ |
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static inline void __bond_opt_init(struct bond_opt_value *optval, |
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char *string, u64 value) |
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{ |
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memset(optval, 0, sizeof(*optval)); |
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optval->value = ULLONG_MAX; |
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if (value == ULLONG_MAX) |
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optval->string = string; |
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else |
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optval->value = value; |
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} |
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#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value) |
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#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX) |
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void bond_option_arp_ip_targets_clear(struct bonding *bond); |
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#endif /* _NET_BOND_OPTIONS_H */
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