[PATCHv2 ipsec-next 05/10] ip_vti: support IPIP6 tunnel processing
From: Xin Long <lucien.xin@gmail.com>
Date: 2020-06-30 07:37:28
Subsystem:
networking [general], networking [ipsec], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Steffen Klassert, Herbert Xu, David Ahern, Ido Schimmel, Linus Torvalds
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> --- net/ipv4/ip_vti.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index fd762d9..f0bd680 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c@@ -655,7 +655,12 @@ 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 msg = "netlink interface"; err = rtnl_link_register(&vti_link_ops);
@@ -665,8 +670,12 @@ static int __init vti_init(void) return err; rtnl_link_failed: +#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: xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP); xfrm_proto_comp_failed: xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
@@ -682,6 +691,9 @@ static int __init vti_init(void) static void __exit vti_fini(void) { rtnl_link_unregister(&vti_link_ops); +#if IS_ENABLED(CONFIG_IPV6) + xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET6); +#endif xfrm4_tunnel_deregister(&vti_ipip_handler, AF_INET); xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP); xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
--
2.1.0