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authorWei Wang <weiwan@google.com>2017-10-06 12:06:02 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-07 21:22:57 +0100
commit38fbeeeeccdb38d0635398e8e344d245f6d8dc52 (patch)
treedbdcbf11c2822cd52ff757410ecdea0db0ad3865 /include
parentc757faa8bfa26a0dd24b41ff783e0da042156887 (diff)
ipv6: prepare fib6_locate() for exception table
fib6_locate() is used to find the fib6_node according to the passed in prefix address key. It currently tries to find the fib6_node with the exact match of the passed in key. However, when we move cached routes into the exception table, fib6_locate() will fail to find the fib6_node for it as the cached routes will be stored in the exception table under the fib6_node with the longest prefix match of the cache's dst addr key. This commit adds a new parameter to let the caller specify if it needs exact match or longest prefix match. Right now, all callers still does exact match when calling fib6_locate(). It will be changed in later commit where exception table is hooked up to store cached routes. 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')
-rw-r--r--include/net/ip6_fib.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 11a79ef87a28..4497a1eb4d41 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -357,7 +357,8 @@ struct fib6_node *fib6_lookup(struct fib6_node *root,
struct fib6_node *fib6_locate(struct fib6_node *root,
const struct in6_addr *daddr, int dst_len,
- const struct in6_addr *saddr, int src_len);
+ const struct in6_addr *saddr, int src_len,
+ bool exact_match);
void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
void *arg);