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-rw-r--r--include/net/ip_fib.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 5697acefeba3..e9ee1ca07087 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -18,6 +18,7 @@
#include <net/flow.h>
#include <linux/seq_file.h>
+#include <linux/rcupdate.h>
#include <net/fib_rules.h>
#include <net/inetpeer.h>
@@ -46,6 +47,22 @@ struct fib_config {
struct fib_info;
+struct fib_nh_exception {
+ struct fib_nh_exception __rcu *fnhe_next;
+ __be32 fnhe_daddr;
+ u32 fnhe_pmtu;
+ u32 fnhe_gw;
+ unsigned long fnhe_expires;
+ unsigned long fnhe_stamp;
+};
+
+struct fnhe_hash_bucket {
+ struct fib_nh_exception __rcu *chain;
+};
+
+#define FNHE_HASH_SIZE 2048
+#define FNHE_RECLAIM_DEPTH 5
+
struct fib_nh {
struct net_device *nh_dev;
struct hlist_node nh_hash;
@@ -63,6 +80,7 @@ struct fib_nh {
__be32 nh_gw;
__be32 nh_saddr;
int nh_saddr_genid;
+ struct fnhe_hash_bucket *nh_exceptions;
};
/*
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