diff options
Diffstat (limited to 'net/ipv4/ipcomp.c')
| -rw-r--r-- | net/ipv4/ipcomp.c | 26 | 
1 files changed, 17 insertions, 9 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 826be4cb482..c0855d50a3f 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -23,7 +23,7 @@  #include <net/protocol.h>  #include <net/sock.h> -static void ipcomp4_err(struct sk_buff *skb, u32 info) +static int ipcomp4_err(struct sk_buff *skb, u32 info)  {  	struct net *net = dev_net(skb->dev);  	__be32 spi; @@ -34,24 +34,26 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)  	switch (icmp_hdr(skb)->type) {  	case ICMP_DEST_UNREACH:  		if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) -			return; +			return 0;  	case ICMP_REDIRECT:  		break;  	default: -		return; +		return 0;  	}  	spi = htonl(ntohs(ipch->cpi));  	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,  			      spi, IPPROTO_COMP, AF_INET);  	if (!x) -		return; +		return 0;  	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)  		ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0);  	else  		ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0);  	xfrm_state_put(x); + +	return 0;  }  /* We always hold one tunnel user reference to indicate a tunnel */ @@ -147,6 +149,11 @@ out:  	return err;  } +static int ipcomp4_rcv_cb(struct sk_buff *skb, int err) +{ +	return 0; +} +  static const struct xfrm_type ipcomp_type = {  	.description	= "IPCOMP4",  	.owner		= THIS_MODULE, @@ -157,11 +164,12 @@ static const struct xfrm_type ipcomp_type = {  	.output		= ipcomp_output  }; -static const struct net_protocol ipcomp4_protocol = { +static struct xfrm4_protocol ipcomp4_protocol = {  	.handler	=	xfrm4_rcv, +	.input_handler	=	xfrm_input, +	.cb_handler	=	ipcomp4_rcv_cb,  	.err_handler	=	ipcomp4_err, -	.no_policy	=	1, -	.netns_ok	=	1, +	.priority	=	0,  };  static int __init ipcomp4_init(void) @@ -170,7 +178,7 @@ static int __init ipcomp4_init(void)  		pr_info("%s: can't add xfrm type\n", __func__);  		return -EAGAIN;  	} -	if (inet_add_protocol(&ipcomp4_protocol, IPPROTO_COMP) < 0) { +	if (xfrm4_protocol_register(&ipcomp4_protocol, IPPROTO_COMP) < 0) {  		pr_info("%s: can't add protocol\n", __func__);  		xfrm_unregister_type(&ipcomp_type, AF_INET);  		return -EAGAIN; @@ -180,7 +188,7 @@ static int __init ipcomp4_init(void)  static void __exit ipcomp4_fini(void)  { -	if (inet_del_protocol(&ipcomp4_protocol, IPPROTO_COMP) < 0) +	if (xfrm4_protocol_deregister(&ipcomp4_protocol, IPPROTO_COMP) < 0)  		pr_info("%s: can't remove protocol\n", __func__);  	if (xfrm_unregister_type(&ipcomp_type, AF_INET) < 0)  		pr_info("%s: can't remove xfrm type\n", __func__);  | 
