diff mbox series

[06/19] ip_vti: support IPIP6 tunnel processing

Message ID 20200730054130.16923-7-steffen.klassert@secunet.com
State Accepted
Delegated to: David Miller
Headers show
Series [01/19] xfrm: introduce oseq-may-wrap flag | expand

Commit Message

Steffen Klassert July 30, 2020, 5:41 a.m. UTC 
From: Xin Long <lucien.xin@gmail.com>

For IPIP6 tunnel processing, the functions called will be the
same as that for IPIP tunnel's. So reuse it and register it
with family == AF_INET6.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/ipv4/ip_vti.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 68177f065117..c0b97b8f6fbd 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -658,7 +658,12 @@  static int __init vti_init(void)
 	msg = "ipip tunnel";
 	err = xfrm4_tunnel_register(&vti_ipip_handler, AF_INET);
 	if (err < 0)
-		goto xfrm_tunnel_failed;
+		goto xfrm_tunnel_ipip_failed;
+#if IS_ENABLED(CONFIG_IPV6)
+	err = xfrm4_tunnel_register(&vti_ipip_handler, AF_INET6);
+	if (err < 0)
+		goto xfrm_tunnel_ipip6_failed;
+#endif
 #endif
 
 	msg = "netlink interface";
@@ -670,8 +675,12 @@  static int __init vti_init(void)
 
 rtnl_link_failed:
 #if IS_ENABLED(CONFIG_INET_XFRM_TUNNEL)
+#if IS_ENABLED(CONFIG_IPV6)
+	xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET6);
+xfrm_tunnel_ipip6_failed:
+#endif
 	xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET);
-xfrm_tunnel_failed:
+xfrm_tunnel_ipip_failed:
 #endif
 	xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
 xfrm_proto_comp_failed:
@@ -689,6 +698,9 @@  static void __exit vti_fini(void)
 {
 	rtnl_link_unregister(&vti_link_ops);
 #if IS_ENABLED(CONFIG_INET_XFRM_TUNNEL)
+#if IS_ENABLED(CONFIG_IPV6)
+	xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET6);
+#endif
 	xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET);
 #endif
 	xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);