diff options
Diffstat (limited to 'include/net/fib_rules.h')
| -rw-r--r-- | include/net/fib_rules.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index 76c7300626d6..648caf90ec07 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NET_FIB_RULES_H #define __NET_FIB_RULES_H @@ -5,8 +6,10 @@ #include <linux/slab.h> #include <linux/netdevice.h> #include <linux/fib_rules.h> +#include <linux/refcount.h> #include <net/flow.h> #include <net/rtnetlink.h> +#include <net/fib_notifier.h> struct fib_kuid_range { kuid_t start; @@ -29,7 +32,7 @@ struct fib_rule { struct fib_rule __rcu *ctarget; struct net *fr_net; - atomic_t refcnt; + refcount_t refcnt; u32 pref; int suppress_ifgroup; int suppress_prefixlen; @@ -56,6 +59,7 @@ struct fib_rules_ops { int addr_size; int unresolved_rules; int nr_goto_rules; + unsigned int fib_rules_seq; int (*action)(struct fib_rule *, struct flowi *, int, @@ -88,6 +92,11 @@ struct fib_rules_ops { struct rcu_head rcu; }; +struct fib_rule_notifier_info { + struct fib_notifier_info info; /* must be first */ + struct fib_rule *rule; +}; + #define FRA_GENERIC_POLICY \ [FRA_IIFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \ [FRA_OIFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \ @@ -103,12 +112,12 @@ struct fib_rules_ops { static inline void fib_rule_get(struct fib_rule *rule) { - atomic_inc(&rule->refcnt); + refcount_inc(&rule->refcnt); } static inline void fib_rule_put(struct fib_rule *rule) { - if (atomic_dec_and_test(&rule->refcnt)) + if (refcount_dec_and_test(&rule->refcnt)) kfree_rcu(rule, rcu); } @@ -142,6 +151,8 @@ int fib_rules_lookup(struct fib_rules_ops *, struct flowi *, int flags, int fib_default_rule_add(struct fib_rules_ops *, u32 pref, u32 table, u32 flags); bool fib_rule_matchall(const struct fib_rule *rule); +int fib_rules_dump(struct net *net, struct notifier_block *nb, int family); +unsigned int fib_rules_seq_read(struct net *net, int family); int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, struct netlink_ext_ack *extack); |