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-rw-r--r--include/net/nexthop.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index 5062c2c08e2b..b78505c9031e 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -40,6 +40,12 @@ struct nh_config {
struct nlattr *nh_grp;
u16 nh_grp_type;
+ u16 nh_grp_res_num_buckets;
+ unsigned long nh_grp_res_idle_timer;
+ unsigned long nh_grp_res_unbalanced_timer;
+ bool nh_grp_res_has_num_buckets;
+ bool nh_grp_res_has_idle_timer;
+ bool nh_grp_res_has_unbalanced_timer;
struct nlattr *nh_encap;
u16 nh_encap_type;
@@ -63,6 +69,32 @@ struct nh_info {
};
};
+struct nh_res_bucket {
+ struct nh_grp_entry __rcu *nh_entry;
+ atomic_long_t used_time;
+ unsigned long migrated_time;
+ bool occupied;
+ u8 nh_flags;
+};
+
+struct nh_res_table {
+ struct net *net;
+ u32 nhg_id;
+ struct delayed_work upkeep_dw;
+
+ /* List of NHGEs that have too few buckets ("uw" for underweight).
+ * Reclaimed buckets will be given to entries in this list.
+ */
+ struct list_head uw_nh_entries;
+ unsigned long unbalanced_since;
+
+ u32 idle_timer;
+ u32 unbalanced_timer;
+
+ u16 num_nh_buckets;
+ struct nh_res_bucket nh_buckets[];
+};
+
struct nh_grp_entry {
struct nexthop *nh;
u8 weight;
@@ -71,6 +103,13 @@ struct nh_grp_entry {
struct {
atomic_t upper_bound;
} mpath;
+ struct {
+ /* Member on uw_nh_entries. */
+ struct list_head uw_nh_entry;
+
+ u16 count_buckets;
+ u16 wants_buckets;
+ } res;
};
struct list_head nh_list;
@@ -82,8 +121,11 @@ struct nh_group {
u16 num_nh;
bool is_multipath;
bool mpath;
+ bool resilient;
bool fdb_nh;
bool has_v4;
+
+ struct nh_res_table __rcu *res_table;
struct nh_grp_entry nh_entries[];
};