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| 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/ipv6 | |
| parent | 69cce1d1404968f78b177a0314f5822d5afdbbfb (diff) | |
| download | linux-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.tar.gz linux-d3aaeb38c40e5a6c08dd31a1b64da65c4352be36.tar.bz2 linux-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/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 2998cb5be90b..ddef80f568b0 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] = { |