netdev - [PATCHv2 ipsec-next 07/10] ip6_vti: support IP6IP tunnel processing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <66b5ef2dc7245ab1707ca8119831e58c26a552a0.1593502515.git.lucien.xin@gmail.com>
Date:   Tue, 30 Jun 2020 15:36:32 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCHv2 ipsec-next 07/10] ip6_vti: support IP6IP tunnel processing

For IP6IP tunnel processing, the functions called will be the
same as that for IP6IP6 tunnel's. So reuse it and register it
with family == AF_INET.

Signed-off-by: Xin Long <lucien.xin@...il.com>
---
 net/ipv6/ip6_vti.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 2161648..d45111d 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -1264,7 +1264,10 @@ static int __init vti6_tunnel_init(void)
 	msg = "ipv6 tunnel";
 	err = xfrm6_tunnel_register(&vti_ipv6_handler, AF_INET6);
 	if (err < 0)
-		goto vti_tunnel_failed;
+		goto vti_tunnel_ipv6_failed;
+	err = xfrm6_tunnel_register(&vti_ipv6_handler, AF_INET);
+	if (err < 0)
+		goto vti_tunnel_ip6ip_failed;
 
 	msg = "netlink interface";
 	err = rtnl_link_register(&vti6_link_ops);
@@ -1274,8 +1277,10 @@ static int __init vti6_tunnel_init(void)
 	return 0;
 
 rtnl_link_failed:
+	err = xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET);
+vti_tunnel_ip6ip_failed:
 	err = xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET6);
-vti_tunnel_failed:
+vti_tunnel_ipv6_failed:
 	xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
 xfrm_proto_comp_failed:
 	xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
@@ -1294,6 +1299,7 @@ static int __init vti6_tunnel_init(void)
 static void __exit vti6_tunnel_cleanup(void)
 {
 	rtnl_link_unregister(&vti6_link_ops);
+	xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET);
 	xfrm6_tunnel_deregister(&vti_ipv6_handler, AF_INET6);
 	xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
 	xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
-- 
2.1.0