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| author | Jiri Pirko <jiri@mellanox.com> | 2019-10-03 11:49:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-04 11:10:55 -0700 |
| commit | 7c550daffe22a97282effa75fe7c1f6b83563ecb (patch) | |
| tree | 1ae072e80d39ed7d698622e471e077891efa4e90 /net/ipv4/fib_trie.c | |
| parent | a5facc4cac4dc504397428c936ef1492ce4edd19 (diff) | |
| download | lwn-7c550daffe22a97282effa75fe7c1f6b83563ecb.tar.gz lwn-7c550daffe22a97282effa75fe7c1f6b83563ecb.zip | |
net: fib_notifier: make FIB notifier per-netns
Currently all users of FIB notifier only cares about events in init_net.
Later in this patchset, users get interested in other namespaces too.
However, for every registered block user is interested only about one
namespace. Make the FIB notifier registration per-netns and avoid
unnecessary calls of notifier block for other namespaces.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_trie.c')
| -rw-r--r-- | net/ipv4/fib_trie.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 1ab2fb6bb37d..5b600b2a2aa3 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -74,7 +74,7 @@ #include <trace/events/fib.h> #include "fib_lookup.h" -static int call_fib_entry_notifier(struct notifier_block *nb, struct net *net, +static int call_fib_entry_notifier(struct notifier_block *nb, enum fib_event_type event_type, u32 dst, int dst_len, struct fib_alias *fa) { @@ -86,7 +86,7 @@ static int call_fib_entry_notifier(struct notifier_block *nb, struct net *net, .type = fa->fa_type, .tb_id = fa->tb_id, }; - return call_fib4_notifier(nb, net, event_type, &info.info); + return call_fib4_notifier(nb, event_type, &info.info); } static int call_fib_entry_notifiers(struct net *net, @@ -2015,8 +2015,8 @@ void fib_info_notify_update(struct net *net, struct nl_info *info) } } -static void fib_leaf_notify(struct net *net, struct key_vector *l, - struct fib_table *tb, struct notifier_block *nb) +static void fib_leaf_notify(struct key_vector *l, struct fib_table *tb, + struct notifier_block *nb) { struct fib_alias *fa; @@ -2032,20 +2032,19 @@ static void fib_leaf_notify(struct net *net, struct key_vector *l, if (tb->tb_id != fa->tb_id) continue; - call_fib_entry_notifier(nb, net, FIB_EVENT_ENTRY_ADD, l->key, + call_fib_entry_notifier(nb, FIB_EVENT_ENTRY_ADD, l->key, KEYLENGTH - fa->fa_slen, fa); } } -static void fib_table_notify(struct net *net, struct fib_table *tb, - struct notifier_block *nb) +static void fib_table_notify(struct fib_table *tb, struct notifier_block *nb) { struct trie *t = (struct trie *)tb->tb_data; struct key_vector *l, *tp = t->kv; t_key key = 0; while ((l = leaf_walk_rcu(&tp, key)) != NULL) { - fib_leaf_notify(net, l, tb, nb); + fib_leaf_notify(l, tb, nb); key = l->key + 1; /* stop in case of wrap around */ @@ -2063,7 +2062,7 @@ void fib_notify(struct net *net, struct notifier_block *nb) struct fib_table *tb; hlist_for_each_entry_rcu(tb, head, tb_hlist) - fib_table_notify(net, tb, nb); + fib_table_notify(tb, nb); } } |