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net/ipv6: Add fib6_null_entry

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ip6_null_entry will stay a dst based return for lookups that fail to
match an entry.

Add a new fib6_null_entry which constitutes the root node and leafs
for fibs. Replace existing references to ip6_null_entry with the
new fib6_null_entry when dealing with FIBs.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2018-04-17 17:33:18 -07:00
committed by David S. Miller
parent 14895687d3
commit 421842edea
3 changed files with 58 additions and 33 deletions
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include/net/netns/ipv6.h
+2 -1
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@@ -60,7 +60,8 @@ struct netns_ipv6 {
#endif
struct xt_table *ip6table_nat;
#endif
struct rt6_info *ip6_null_entry;
struct rt6_info *fib6_null_entry;
struct rt6_info *ip6_null_entry;
struct rt6_statistics *rt6_stats;
struct timer_list ip6_fib_timer;
struct hlist_head *fib_table_hash;