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ip_vti: support IPIP6 tunnel processing

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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>
This commit is contained in:
Xin Long 2020-07-06 20:01:33 +08:00 committed by Steffen Klassert
parent 87e66b9682
commit e6ce64570f
1 changed files with 14 additions and 2 deletions
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16
net/ipv4/ip_vti.c
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@ -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);