static void __exit tunnel6_fini(void)
{
if (inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP))
printk(KERN_ERR "tunnel6 close: can't remove protocol\n");
if (inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6))
printk(KERN_ERR "tunnel6 close: can't remove protocol\n");
}
static void __exit tunnel6_fini(void)
{
if (inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP))
pr_err("%s: can't remove protocol\n", __func__);
if (inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6))
pr_err("%s: can't remove protocol\n", __func__);
}
static void __exit ipcomp6_fini(void)
{
if (inet6_del_protocol(&ipcomp6_protocol, IPPROTO_COMP) < 0)
printk(KERN_INFO "ipv6 ipcomp close: can't remove protocol\n");
if (xfrm_unregister_type(&ipcomp6_type, AF_INET6) < 0)
printk(KERN_INFO "ipv6 ipcomp close: can't remove xfrm type\n");
}
void ipv6_frag_exit(void)
{
inet_frags_fini(&ip6_frags);
ip6_frags_sysctl_unregister();
unregister_pernet_subsys(&ip6_frags_ops);
inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT);
}
int __init ipv6_frag_init(void)
{
int ret;
ret = inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT);
if (ret)
goto out;
ret = ip6_frags_sysctl_register();
if (ret)
goto err_sysctl;
ret = register_pernet_subsys(&ip6_frags_ops);
if (ret)
goto err_pernet;
ip6_frags.hashfn = ip6_hashfn;
ip6_frags.constructor = ip6_frag_init;
ip6_frags.destructor = NULL;
ip6_frags.skb_free = NULL;
ip6_frags.qsize = sizeof(struct frag_queue);
ip6_frags.match = ip6_frag_match;
ip6_frags.frag_expire = ip6_frag_expire;
ip6_frags.secret_interval = 10 * 60 * HZ;
inet_frags_init(&ip6_frags);
out:
return ret;
err_pernet:
ip6_frags_sysctl_unregister();
err_sysctl:
inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT);
goto out;
}
static void __exit dccp_v6_exit(void)
{
unregister_pernet_subsys(&dccp_v6_ops);
inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
inet6_unregister_protosw(&dccp_v6_protosw);
proto_unregister(&dccp_v6_prot);
}
static int __init dccp_v6_init(void)
{
int err = proto_register(&dccp_v6_prot, 1);
if (err != 0)
goto out;
err = inet6_add_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
if (err != 0)
goto out_unregister_proto;
inet6_register_protosw(&dccp_v6_protosw);
err = register_pernet_subsys(&dccp_v6_ops);
if (err != 0)
goto out_destroy_ctl_sock;
out:
return err;
out_destroy_ctl_sock:
inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
inet6_unregister_protosw(&dccp_v6_protosw);
out_unregister_proto:
proto_unregister(&dccp_v6_prot);
goto out;
}
static int __init tunnel6_init(void)
{
if (inet6_add_protocol(&tunnel6_protocol, IPPROTO_IPV6)) {
printk(KERN_ERR "tunnel6 init(): can't add protocol\n");
return -EAGAIN;
}
if (inet6_add_protocol(&tunnel46_protocol, IPPROTO_IPIP)) {
printk(KERN_ERR "tunnel6 init(): can't add protocol\n");
inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
return -EAGAIN;
}
return 0;
}
static int __init tunnel6_init(void)
{
if (inet6_add_protocol(&tunnel6_protocol, IPPROTO_IPV6)) {
pr_err("%s: can't add protocol\n", __func__);
return -EAGAIN;
}
if (inet6_add_protocol(&tunnel46_protocol, IPPROTO_IPIP)) {
pr_err("%s: can't add protocol\n", __func__);
inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
return -EAGAIN;
}
return 0;
}
int __init udplitev6_init(void)
{
int ret;
ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
if (ret)
goto out;
ret = inet6_register_protosw(&udplite6_protosw);
if (ret)
goto out_udplitev6_protocol;
out:
return ret;
out_udplitev6_protocol:
inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
goto out;
}
int __init ipv6_frag_init(void)
{
int ret;
ip6_frags.constructor = ip6frag_init;
ip6_frags.destructor = NULL;
ip6_frags.qsize = sizeof(struct frag_queue);
ip6_frags.frag_expire = ip6_frag_expire;
ip6_frags.frags_cache_name = ip6_frag_cache_name;
ip6_frags.rhash_params = ip6_rhash_params;
ret = inet_frags_init(&ip6_frags);
if (ret)
goto out;
ret = inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT);
if (ret)
goto err_protocol;
ret = ip6_frags_sysctl_register();
if (ret)
goto err_sysctl;
ret = register_pernet_subsys(&ip6_frags_ops);
if (ret)
goto err_pernet;
out:
return ret;
err_pernet:
ip6_frags_sysctl_unregister();
err_sysctl:
inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT);
err_protocol:
inet_frags_fini(&ip6_frags);
goto out;
}
void udplitev6_exit(void)
{
inet6_unregister_protosw(&udplite6_protosw);
inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
}
static inline int ip6ip6_unregister(void)
{
return inet6_del_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6);
}
