netns xfrm: per-netns sysctls

Make
	net.core.xfrm_aevent_etime
	net.core.xfrm_acq_expires
	net.core.xfrm_aevent_rseqth
	net.core.xfrm_larval_drop

sysctls per-netns.

For that make net_core_path[] global, register it to prevent two
/proc/net/core antries and change initcall position -- xfrm_init() is called
from fs_initcall, so this one should be fs_initcall at least.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 09f3060e9d1..1ba912749ca 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -6,6 +6,8 @@
 #include <linux/workqueue.h>
 #include <linux/xfrm.h>
 
+struct ctl_table_header;
+
 struct xfrm_policy_hash {
         struct hlist_head       *table;
         unsigned int            hmask;
@@ -41,6 +43,14 @@ struct netns_xfrm {
         struct work_struct      policy_hash_work;
 
         struct sock             *nlsk;
+
+        u32                     sysctl_aevent_etime;
+        u32                     sysctl_aevent_rseqth;
+        int                     sysctl_larval_drop;
+        u32                     sysctl_acq_expires;
+#ifdef CONFIG_SYSCTL
+        struct ctl_table_header *sysctl_hdr;
+#endif
 };
 
 #endif