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authorWei Wang <weiwan@google.com>2017-10-06 12:06:01 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-07 21:22:57 +0100
commitc757faa8bfa26a0dd24b41ff783e0da042156887 (patch)
tree914222d2d46f636145b7055b8c70a871b275071e /include/net/ip6_fib.h
parentipv6: prepare rt6_clean_tohost() for exception table (diff)
downloadlinux-dev-c757faa8bfa26a0dd24b41ff783e0da042156887.tar.xz
linux-dev-c757faa8bfa26a0dd24b41ff783e0da042156887.zip
ipv6: prepare fib6_age() for exception table
If all dst cache entries are stored in the exception table under the main route, we have to go through them during fib6_age() when doing garbage collecting. Introduce a new function rt6_age_exception() which goes through all dst entries in the exception table and remove those entries that are expired. This function is called in fib6_age() so that all dst caches are also garbage collected. Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_fib.h')
-rw-r--r--include/net/ip6_fib.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index c4864c1e8f13..11a79ef87a28 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -29,6 +29,14 @@
#define FIB6_TABLE_HASHSZ 1
#endif
+#define RT6_DEBUG 2
+
+#if RT6_DEBUG >= 3
+#define RT6_TRACE(x...) pr_debug(x)
+#else
+#define RT6_TRACE(x...) do { ; } while (0)
+#endif
+
struct rt6_info;
struct fib6_config {
@@ -75,6 +83,11 @@ struct fib6_node {
struct rcu_head rcu;
};
+struct fib6_gc_args {
+ int timeout;
+ int more;
+};
+
#ifndef CONFIG_IPV6_SUBTREES
#define FIB6_SUBTREE(fn) NULL
#else