Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / netns / xfrm.h

diff --git a/kernel/include/net/netns/xfrm.h b/kernel/include/net/netns/xfrm.h
new file mode 100644 (file)
index 0000000..730d82a
--- /dev/null
+++ b/kernel/include/net/netns/xfrm.h
@@ -0,0 +1,89 @@
+#ifndef __NETNS_XFRM_H
+#define __NETNS_XFRM_H
+
+#include <linux/list.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <linux/xfrm.h>
+#include <net/dst_ops.h>
+#include <net/flowcache.h>
+
+struct ctl_table_header;
+
+struct xfrm_policy_hash {
+       struct hlist_head       *table;
+       unsigned int            hmask;
+       u8                      dbits4;
+       u8                      sbits4;
+       u8                      dbits6;
+       u8                      sbits6;
+};
+
+struct xfrm_policy_hthresh {
+       struct work_struct      work;
+       seqlock_t               lock;
+       u8                      lbits4;
+       u8                      rbits4;
+       u8                      lbits6;
+       u8                      rbits6;
+};
+
+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;
+
+       struct list_head        policy_all;
+       struct hlist_head       *policy_byidx;
+       unsigned int            policy_idx_hmask;
+       struct hlist_head       policy_inexact[XFRM_POLICY_MAX];
+       struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX];
+       unsigned int            policy_count[XFRM_POLICY_MAX * 2];
+       struct work_struct      policy_hash_work;
+       struct xfrm_policy_hthresh policy_hthresh;
+
+
+       struct sock             *nlsk;
+       struct sock             *nlsk_stash;
+
+       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
+
+       struct dst_ops          xfrm4_dst_ops;
+#if IS_ENABLED(CONFIG_IPV6)
+       struct dst_ops          xfrm6_dst_ops;
+#endif
+       spinlock_t xfrm_state_lock;
+       rwlock_t xfrm_policy_lock;
+       struct mutex xfrm_cfg_mutex;
+
+       /* flow cache part */
+       struct flow_cache       flow_cache_global;
+       atomic_t                flow_cache_genid;
+       struct list_head        flow_cache_gc_list;
+       spinlock_t              flow_cache_gc_lock;
+       struct work_struct      flow_cache_gc_work;
+       struct work_struct      flow_cache_flush_work;
+       struct mutex            flow_flush_sem;
+};
+
+#endif