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Commit 0303770d authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[NET]: Make ipip/ip6_tunnel independant of XFRM 



Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c877efb2

include/net/xfrm.h

+1 −1
Original line number Diff line number Diff line
@@ -803,7 +803,7 @@ struct xfrm_algo_desc { 
/* XFRM tunnel handlers.  */

struct xfrm_tunnel {

	int (*handler)(struct sk_buff *skb);

	void (*err_handler)(struct sk_buff *skb, void *info);

	void (*err_handler)(struct sk_buff *skb, __u32 info);

};



struct xfrm6_tunnel {

net/ipv4/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -235,7 +235,6 @@ config IP_PNP_RARP 
#   bool '    IP: ARP support' CONFIG_IP_PNP_ARP		

config NET_IPIP

	tristate "IP: tunneling"

	select INET_TUNNEL

	---help---

	  Tunneling means encapsulating data of one protocol type within

	  another protocol and sending it over a channel that understands the

net/ipv4/ipip.c

+32 −4
Original line number Diff line number Diff line
@@ -273,7 +273,7 @@ static void ipip_tunnel_uninit(struct net_device *dev) 
	dev_put(dev);

}



static void ipip_err(struct sk_buff *skb, void *__unused)

static void ipip_err(struct sk_buff *skb, u32 info)

{

#ifndef I_WISH_WORLD_WERE_PERFECT
@@ -852,11 +852,39 @@ static int __init ipip_fb_tunnel_init(struct net_device *dev) 
	return 0;

}



#ifdef CONFIG_INET_TUNNEL

static struct xfrm_tunnel ipip_handler = {

	.handler	=	ipip_rcv,

	.err_handler	=	ipip_err,

};



static inline int ipip_register(void)

{

	return xfrm4_tunnel_register(&ipip_handler);

}



static inline int ipip_unregister(void)

{

	return xfrm4_tunnel_deregister(&ipip_handler);

}

#else

static struct net_protocol ipip_protocol = {

	.handler	=	ipip_rcv,

	.err_handler	=	ipip_err,

	.no_policy	=	1,

};



static inline int ipip_register(void)

{

	return inet_add_protocol(&ipip_protocol, IPPROTO_IPIP);

}



static inline int ipip_unregister(void)

{

	return inet_del_protocol(&ipip_protocol, IPPROTO_IPIP);

}

#endif



static char banner[] __initdata =

	KERN_INFO "IPv4 over IPv4 tunneling driver\n";
@@ -866,7 +894,7 @@ static int __init ipip_init(void) 


	printk(banner);



	if (xfrm4_tunnel_register(&ipip_handler) < 0) {

	if (ipip_register() < 0) {

		printk(KERN_INFO "ipip init: can't register tunnel\n");

		return -EAGAIN;

	}
@@ -888,13 +916,13 @@ static int __init ipip_init(void) 
 err2:

	free_netdev(ipip_fb_tunnel_dev);

 err1:

	xfrm4_tunnel_deregister(&ipip_handler);

	ipip_unregister();

	goto out;

}



static void __exit ipip_fini(void)

{

	if (xfrm4_tunnel_deregister(&ipip_handler) < 0)

	if (ipip_unregister() < 0)

		printk(KERN_INFO "ipip close: can't deregister tunnel\n");



	unregister_netdev(ipip_fb_tunnel_dev);

net/ipv4/xfrm4_tunnel.c

+1 −2
Original line number Diff line number Diff line
@@ -78,10 +78,9 @@ static int ipip_rcv(struct sk_buff *skb) 
static void ipip_err(struct sk_buff *skb, u32 info)

{

	struct xfrm_tunnel *handler = ipip_handler;

	u32 arg = info;



	if (handler)

		handler->err_handler(skb, &arg);

		handler->err_handler(skb, info);

}



static int ipip_init_state(struct xfrm_state *x)

net/ipv6/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -91,7 +91,6 @@ config INET6_TUNNEL 
config IPV6_TUNNEL

	tristate "IPv6: IPv6-in-IPv6 tunnel"

	depends on IPV6

	select INET6_TUNNEL

	---help---

	  Support for IPv6-in-IPv6 tunnels described in RFC 2473.