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
   9 struct ctl_table_header;
  10
  11 struct xfrm_policy_hash {
  12         struct hlist_head       *table;
  13         unsigned int            hmask;
  14 };
  15
  16 struct netns_xfrm {
  17         struct list_head        state_all;
  18         /*
  19          * Hash table to find appropriate SA towards given target (endpoint of
  20          * tunnel or destination of transport mode) allowed by selector.
  21          *
  22          * Main use is finding SA after policy selected tunnel or transport
  23          * mode. Also, it can be used by ah/esp icmp error handler to find
  24          * offending SA.
  25          */
  26         struct hlist_head       *state_bydst;
  27         struct hlist_head       *state_bysrc;
  28         struct hlist_head       *state_byspi;
  29         unsigned int            state_hmask;
  30         unsigned int            state_num;
  31         struct work_struct      state_hash_work;
  32         struct hlist_head       state_gc_list;
  33         struct work_struct      state_gc_work;
  34
  35         wait_queue_head_t       km_waitq;
  36
  37         struct list_head        policy_all;
  38         struct hlist_head       *policy_byidx;
  39         unsigned int            policy_idx_hmask;
  40         struct hlist_head       policy_inexact[XFRM_POLICY_MAX * 2];
  41         struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
  42         unsigned int            policy_count[XFRM_POLICY_MAX * 2];
  43         struct work_struct      policy_hash_work;
  44
  45         struct sock             *nlsk;
  46
  47         u32                     sysctl_aevent_etime;
  48         u32                     sysctl_aevent_rseqth;
  49         int                     sysctl_larval_drop;
  50         u32                     sysctl_acq_expires;
  51 #ifdef CONFIG_SYSCTL
  52         struct ctl_table_header *sysctl_hdr;
  53 #endif
  54 };
  55
  56 #endif