diff options
| author | Jiri Pirko <jiri@mellanox.com> | 2016-09-26 12:52:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-28 04:48:00 -0400 |
| commit | b90eb754949931b2e4481b1df9a03f84d4be66ba (patch) | |
| tree | 1866705c1e0a640e7498566173468e185d0813be /include/net | |
| parent | eb523f42d77a43f80bb9c57a34fbdc8406c7b075 (diff) | |
fib: introduce FIB notification infrastructure
This allows to pass information about added/deleted FIB entries/rules to
whoever is interested. This is done in a very similar way as devinet
notifies address additions/removals.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ip_fib.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 7d4a72e75f33..116a9c0eb455 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -22,6 +22,7 @@ #include <net/fib_rules.h> #include <net/inetpeer.h> #include <linux/percpu.h> +#include <linux/notifier.h> struct fib_config { u8 fc_dst_len; @@ -185,6 +186,33 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); #define FIB_RES_PREFSRC(net, res) ((res).fi->fib_prefsrc ? : \ FIB_RES_SADDR(net, res)) +struct fib_notifier_info { + struct net *net; +}; + +struct fib_entry_notifier_info { + struct fib_notifier_info info; /* must be first */ + u32 dst; + int dst_len; + struct fib_info *fi; + u8 tos; + u8 type; + u32 tb_id; + u32 nlflags; +}; + +enum fib_event_type { + FIB_EVENT_ENTRY_ADD, + FIB_EVENT_ENTRY_DEL, + FIB_EVENT_RULE_ADD, + FIB_EVENT_RULE_DEL, +}; + +int register_fib_notifier(struct notifier_block *nb); +int unregister_fib_notifier(struct notifier_block *nb); +int call_fib_notifiers(struct net *net, enum fib_event_type event_type, + struct fib_notifier_info *info); + struct fib_table { struct hlist_node tb_hlist; u32 tb_id; @@ -196,11 +224,11 @@ struct fib_table { int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp, struct fib_result *res, int fib_flags); -int fib_table_insert(struct fib_table *, struct fib_config *); -int fib_table_delete(struct fib_table *, struct fib_config *); +int fib_table_insert(struct net *, struct fib_table *, struct fib_config *); +int fib_table_delete(struct net *, struct fib_table *, struct fib_config *); int fib_table_dump(struct fib_table *table, struct sk_buff *skb, struct netlink_callback *cb); -int fib_table_flush(struct fib_table *table); +int fib_table_flush(struct net *net, struct fib_table *table); struct fib_table *fib_trie_unmerge(struct fib_table *main_tb); void fib_table_flush_external(struct fib_table *table); void fib_free_table(struct fib_table *tb); |