diff options
Diffstat (limited to 'drivers/net/bonding/bond_options.h')
| -rw-r--r-- | drivers/net/bonding/bond_options.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h new file mode 100644 index 000000000000..433d37f6940b --- /dev/null +++ b/drivers/net/bonding/bond_options.h @@ -0,0 +1,170 @@ +/* + * drivers/net/bond/bond_options.h - bonding options + * Copyright (c) 2013 Nikolay Aleksandrov <nikolay@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _BOND_OPTIONS_H +#define _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_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 string != NULL -> parse it, if the opt is RAW type then return it, else + * return the parse result + * - if string == NULL -> parse value + */ +struct bond_opt_value { + char *string; + u64 value; + u32 flags; +}; + +struct bonding; + +struct bond_option { + int id; + char *name; + 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 + */ + struct bond_opt_value *values; + + int (*set)(struct bonding *bond, struct bond_opt_value *val); +}; + +int __bond_opt_set(struct bonding *bond, unsigned int option, + struct bond_opt_value *val); +int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf); +struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, + struct bond_opt_value *val); +struct bond_option *bond_opt_get(unsigned int option); +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) +{ + memset(optval, 0, sizeof(*optval)); + optval->value = ULLONG_MAX; + if (value == ULLONG_MAX) + optval->string = string; + else + optval->value = value; +} +#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value) +#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX) + +int bond_option_mode_set(struct bonding *bond, struct bond_opt_value *newval); +int bond_option_pps_set(struct bonding *bond, struct bond_opt_value *newval); +int bond_option_xmit_hash_policy_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_arp_validate_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_arp_all_targets_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_fail_over_mac_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_arp_interval_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_arp_ip_targets_set(struct bonding *bond, + struct bond_opt_value *newval); +void bond_option_arp_ip_targets_clear(struct bonding *bond); +int bond_option_downdelay_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_updelay_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_lacp_rate_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_min_links_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_ad_select_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_num_peer_notif_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_miimon_set(struct bonding *bond, struct bond_opt_value *newval); +int bond_option_primary_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_primary_reselect_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_use_carrier_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_active_slave_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_queue_id_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_all_slaves_active_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_resend_igmp_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_lp_interval_set(struct bonding *bond, + struct bond_opt_value *newval); +int bond_option_slaves_set(struct bonding *bond, struct bond_opt_value *newval); +#endif /* _BOND_OPTIONS_H */ |