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authorDavid S. Miller <davem@davemloft.net>2011-07-18 00:40:17 -0700
committerDavid S. Miller <davem@davemloft.net>2011-07-18 00:40:17 -0700
commitd3aaeb38c40e5a6c08dd31a1b64da65c4352be36 (patch)
tree1c17b41d11edc7a7b3477a294cba440f2a14796c /net/ipv6
parent69cce1d1404968f78b177a0314f5822d5afdbbfb (diff)
downloadop-kernel-dev-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.zip
op-kernel-dev-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.tar.gz
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/ipv6')
-rw-r--r--net/ipv6/route.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 2998cb5..ddef80f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -127,6 +127,11 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
return p;
}
+static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ return __neigh_lookup_errno(&nd_tbl, daddr, dst->dev);
+}
+
static struct dst_ops ip6_dst_ops_template = {
.family = AF_INET6,
.protocol = cpu_to_be16(ETH_P_IPV6),
@@ -142,6 +147,7 @@ static struct dst_ops ip6_dst_ops_template = {
.link_failure = ip6_link_failure,
.update_pmtu = ip6_rt_update_pmtu,
.local_out = __ip6_local_out,
+ .neigh_lookup = ip6_neigh_lookup,
};
static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
@@ -168,6 +174,7 @@ static struct dst_ops ip6_dst_blackhole_ops = {
.default_advmss = ip6_default_advmss,
.update_pmtu = ip6_rt_blackhole_update_pmtu,
.cow_metrics = ip6_rt_blackhole_cow_metrics,
+ .neigh_lookup = ip6_neigh_lookup,
};
static const u32 ip6_template_metrics[RTAX_MAX] = {
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