release/src-rt-6.x.4708/linux/linux-2.6.36/include/net/netns/xfrm.h

   1 #ifndef __NETNS_XFRM_H
   2 #define __NETNS_XFRM_H
   3
   4 #include <linux/list.h>
   5 #include <linux/wait.h>
   6 #include <linux/workqueue.h>
   7 #include <linux/xfrm.h>
   8 #include <net/dst_ops.h>
   9
  10 struct ctl_table_header;
  11
  12 struct xfrm_policy_hash {
  13         struct hlist_head       *table;
  14         unsigned int            hmask;
  15 };
  16
  17 struct netns_xfrm {
  18         struct list_head        state_all;
  19         /*
  20          * Hash table to find appropriate SA towards given target (endpoint of
  21          * tunnel or destination of transport mode) allowed by selector.
  22          *
  23          * Main use is finding SA after policy selected tunnel or transport
  24          * mode. Also, it can be used by ah/esp icmp error handler to find
  25          * offending SA.
  26          */
  27         struct hlist_head       *state_bydst;
  28         struct hlist_head       *state_bysrc;
  29         struct hlist_head       *state_byspi;
  30         unsigned int            state_hmask;
  31         unsigned int            state_num;
  32         struct work_struct      state_hash_work;
  33         struct hlist_head       state_gc_list;
  34         struct work_struct      state_gc_work;
  35
  36         wait_queue_head_t       km_waitq;
  37
  38         struct list_head        policy_all;
  39         struct hlist_head       *policy_byidx;
  40         unsigned int            policy_idx_hmask;
  41         struct hlist_head       policy_inexact[XFRM_POLICY_MAX * 2];
  42         struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
  43         unsigned int            policy_count[XFRM_POLICY_MAX * 2];
  44         struct work_struct      policy_hash_work;
  45
  46         struct dst_ops          xfrm4_dst_ops;
  47 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
  48         struct dst_ops          xfrm6_dst_ops;
  49 #endif
  50
  51         struct sock             *nlsk;
  52         struct sock             *nlsk_stash;
  53
  54         u32                     sysctl_aevent_etime;
  55         u32                     sysctl_aevent_rseqth;
  56         int                     sysctl_larval_drop;
  57         u32                     sysctl_acq_expires;
  58 #ifdef CONFIG_SYSCTL
  59         struct ctl_table_header *sysctl_hdr;
  60 #endif
  61 };
  62
  63 #endif