netfilter: netns nf_conntrack: per-netns expectations

Make per-netns a) expectation hash and b) expectations count.

Expectations always belongs to netns to which it's master conntrack belong.
This is natural and doesn't bloat expectation.

Proc files and leaf users are stubbed to init_net, this is temporary.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index b767683f112b..e453a33f3e93 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -5,7 +5,10 @@
 
 struct netns_ct {
         atomic_t                count;
+        unsigned int            expect_count;
         struct hlist_head       *hash;
+        struct hlist_head       *expect_hash;
         int                     hash_vmalloc;
+        int                     expect_vmalloc;
 };
 #endif