diff options
Diffstat (limited to 'include/net/bond_options.h')
-rw-r--r-- | include/net/bond_options.h | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/include/net/bond_options.h b/include/net/bond_options.h index dd75c071f67e..69292ecc0325 100644 --- a/include/net/bond_options.h +++ b/include/net/bond_options.h @@ -7,6 +7,14 @@ #ifndef _NET_BOND_OPTIONS_H #define _NET_BOND_OPTIONS_H +#include <linux/bits.h> +#include <linux/limits.h> +#include <linux/types.h> +#include <linux/string.h> + +struct netlink_ext_ack; +struct nlattr; + #define BOND_OPT_MAX_NAMELEN 32 #define BOND_OPT_VALID(opt) ((opt) < BOND_OPT_LAST) #define BOND_MODE_ALL_EX(x) (~(x)) @@ -66,19 +74,28 @@ enum { BOND_OPT_PEER_NOTIF_DELAY, BOND_OPT_LACP_ACTIVE, BOND_OPT_MISSED_MAX, + BOND_OPT_NS_TARGETS, + BOND_OPT_PRIO, 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 + * - 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; + union { + char extra[BOND_OPT_EXTRA_MAXLEN]; + struct net_device *slave_dev; + }; }; struct bonding; @@ -102,7 +119,8 @@ struct bond_option { }; int __bond_opt_set(struct bonding *bond, unsigned int option, - struct bond_opt_value *val); + struct bond_opt_value *val, + struct nlattr *bad_attr, struct netlink_ext_ack *extack); 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); @@ -118,18 +136,29 @@ const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val); * 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) + char *string, u64 value, + void *extra, size_t extra_len) { memset(optval, 0, sizeof(*optval)); optval->value = ULLONG_MAX; - if (value == ULLONG_MAX) - optval->string = string; - else + if (value != ULLONG_MAX) optval->value = value; + else if (string) + optval->string = string; + + if (extra && extra_len <= BOND_OPT_EXTRA_MAXLEN) + memcpy(optval->extra, extra, extra_len); } -#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) +#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) +#define bond_opt_slave_initval(optval, slave_dev, value) \ + __bond_opt_init(optval, NULL, value, slave_dev, sizeof(struct net_device *)) void bond_option_arp_ip_targets_clear(struct bonding *bond); +#if IS_ENABLED(CONFIG_IPV6) +void bond_option_ns_ip6_targets_clear(struct bonding *bond); +#endif #endif /* _NET_BOND_OPTIONS_H */ |