netns xfrm: per-netns xfrm_policy_byidx hashmask

[safe/jmp/linux-2.6] / include / net / netns / xfrm.h

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 1cb0024..42dc318 100644 (file)
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -1,7 +1,34 @@
 #ifndef __NETNS_XFRM_H
 #define __NETNS_XFRM_H
 
+#include <linux/list.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+
 struct netns_xfrm {
+       struct list_head        state_all;
+       /*
+        * Hash table to find appropriate SA towards given target (endpoint of
+        * tunnel or destination of transport mode) allowed by selector.
+        *
+        * Main use is finding SA after policy selected tunnel or transport
+        * mode. Also, it can be used by ah/esp icmp error handler to find
+        * offending SA.
+        */
+       struct hlist_head       *state_bydst;
+       struct hlist_head       *state_bysrc;
+       struct hlist_head       *state_byspi;
+       unsigned int            state_hmask;
+       unsigned int            state_num;
+       struct work_struct      state_hash_work;
+       struct hlist_head       state_gc_list;
+       struct work_struct      state_gc_work;
+
+       wait_queue_head_t       km_waitq;
+
+       struct list_head        policy_all;
+       struct hlist_head       *policy_byidx;
+       unsigned int            policy_idx_hmask;
 };
 
 #endif