diff options
author | David S. Miller <davem@davemloft.net> | 2011-07-18 00:40:17 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-07-18 00:40:17 -0700 |
commit | d3aaeb38c40e5a6c08dd31a1b64da65c4352be36 (patch) | |
tree | 1c17b41d11edc7a7b3477a294cba440f2a14796c /net/decnet | |
parent | 69cce1d1404968f78b177a0314f5822d5afdbbfb (diff) | |
download | lwn-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.tar.gz lwn-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.zip |
net: Add ->neigh_lookup() operation to dst_ops
In the future dst entries will be neigh-less. In that environment we
need to have an easy transition point for current users of
dst->neighbour outside of the packet output fast path.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet')
-rw-r--r-- | net/decnet/dn_route.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 9bd45fcb3b8e..43450c100226 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -116,6 +116,7 @@ static void dn_dst_destroy(struct dst_entry *); static struct dst_entry *dn_dst_negative_advice(struct dst_entry *); static void dn_dst_link_failure(struct sk_buff *); static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu); +static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr); static int dn_route_input(struct sk_buff *); static void dn_run_flush(unsigned long dummy); @@ -139,6 +140,7 @@ static struct dst_ops dn_dst_ops = { .negative_advice = dn_dst_negative_advice, .link_failure = dn_dst_link_failure, .update_pmtu = dn_dst_update_pmtu, + .neigh_lookup = dn_dst_neigh_lookup, }; static void dn_dst_destroy(struct dst_entry *dst) @@ -827,6 +829,11 @@ static unsigned int dn_dst_default_mtu(const struct dst_entry *dst) return dst->dev->mtu; } +static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr) +{ + return __neigh_lookup_errno(&dn_neigh_table, daddr, dst->dev); +} + static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res) { struct dn_fib_info *fi = res->fi; |