3 files changed, 18 insertions, 0 deletions

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 41902a8103bd..9da798256f0e 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -19,6 +19,15 @@ struct xfrm_policy_hash {
         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;
         /*
@@ -45,6 +54,7 @@ struct netns_xfrm {
         struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
         unsigned int            policy_count[XFRM_POLICY_MAX * 2];
         struct work_struct      policy_hash_work;
+        struct xfrm_policy_hthresh policy_hthresh;
 
 
         struct sock             *nlsk;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 721e9c3b11bd..dc4865e90fe4 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1591,6 +1591,7 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark,
 struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir,
                                      u32 id, int delete, int *err);
 int xfrm_policy_flush(struct net *net, u8 type, bool task_valid);
+void xfrm_policy_hash_rebuild(struct net *net);
 u32 xfrm_get_acqseq(void);
 int verify_spi_info(u8 proto, u32 min, u32 max);
 int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 25e5dd916ba4..02d5125a5ee8 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -328,6 +328,8 @@ enum xfrm_spdattr_type_t {
         XFRMA_SPD_UNSPEC,
         XFRMA_SPD_INFO,
         XFRMA_SPD_HINFO,
+        XFRMA_SPD_IPV4_HTHRESH,
+        XFRMA_SPD_IPV6_HTHRESH,
         __XFRMA_SPD_MAX
 
 #define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
@@ -347,6 +349,11 @@ struct xfrmu_spdhinfo {
         __u32 spdhmcnt;
 };
 
+struct xfrmu_spdhthresh {
+        __u8 lbits;
+        __u8 rbits;
+};
+
 struct xfrm_usersa_info {
         struct xfrm_selector            sel;
         struct xfrm_id                  id;