ipv6: export a stub for IPv6 symbols used by vxlan
In case IPv6 is compiled as a module, introduce a stub
for ipv6_sock_mc_join and ipv6_sock_mc_drop etc.. It will be used
by vxlan module. Suggested by Ben.
This is an ugly but easy solution for now.
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 0d1a9b1..0c9c22f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -810,6 +810,13 @@
.exit = inet6_net_exit,
};
+static const struct ipv6_stub ipv6_stub_impl = {
+ .ipv6_sock_mc_join = ipv6_sock_mc_join,
+ .ipv6_sock_mc_drop = ipv6_sock_mc_drop,
+ .ipv6_dst_lookup = ip6_dst_lookup,
+ .udpv6_encap_enable = udpv6_encap_enable,
+};
+
static int __init inet6_init(void)
{
struct list_head *r;
@@ -884,6 +891,9 @@
err = igmp6_init();
if (err)
goto igmp_fail;
+
+ ipv6_stub = &ipv6_stub_impl;
+
err = ipv6_netfilter_init();
if (err)
goto netfilter_fail;
@@ -1040,6 +1050,7 @@
raw6_proc_exit();
#endif
ipv6_netfilter_fini();
+ ipv6_stub = NULL;
igmp6_cleanup();
ndisc_cleanup();
ip6_mr_cleanup();