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Diffstat (limited to 'net/ipv6/xfrm6_tunnel.c')
-rw-r--r--net/ipv6/xfrm6_tunnel.c41
1 files changed, 27 insertions, 14 deletions
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 12e426b9aacd..ee4b84a33ff4 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -5,12 +5,12 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
@@ -32,7 +32,7 @@
#include <linux/mutex.h>
/*
- * xfrm_tunnel_spi things are for allocating unique id ("spi")
+ * xfrm_tunnel_spi things are for allocating unique id ("spi")
* per xfrm_address_t.
*/
struct xfrm6_tunnel_spi {
@@ -155,8 +155,8 @@ static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
for (spi = xfrm6_tunnel_spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) {
index = xfrm6_tunnel_spi_hash_byspi(spi);
- hlist_for_each_entry(x6spi, pos,
- &xfrm6_tunnel_spi_byspi[index],
+ hlist_for_each_entry(x6spi, pos,
+ &xfrm6_tunnel_spi_byspi[index],
list_byspi) {
if (x6spi->spi == spi)
goto try_next_1;
@@ -167,8 +167,8 @@ try_next_1:;
}
for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tunnel_spi; spi++) {
index = xfrm6_tunnel_spi_hash_byspi(spi);
- hlist_for_each_entry(x6spi, pos,
- &xfrm6_tunnel_spi_byspi[index],
+ hlist_for_each_entry(x6spi, pos,
+ &xfrm6_tunnel_spi_byspi[index],
list_byspi) {
if (x6spi->spi == spi)
goto try_next_2;
@@ -222,7 +222,7 @@ void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
write_lock_bh(&xfrm6_tunnel_spi_lock);
- hlist_for_each_entry_safe(x6spi, pos, n,
+ hlist_for_each_entry_safe(x6spi, pos, n,
&xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
list_byaddr)
{
@@ -269,9 +269,9 @@ static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
{
/* xfrm6_tunnel native err handling */
switch (type) {
- case ICMPV6_DEST_UNREACH:
+ case ICMPV6_DEST_UNREACH:
switch (code) {
- case ICMPV6_NOROUTE:
+ case ICMPV6_NOROUTE:
case ICMPV6_ADM_PROHIBITED:
case ICMPV6_NOT_NEIGHBOUR:
case ICMPV6_ADDR_UNREACH:
@@ -287,7 +287,7 @@ static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
case ICMPV6_EXC_HOPLIMIT:
break;
case ICMPV6_EXC_FRAGTIME:
- default:
+ default:
break;
}
break;
@@ -339,17 +339,29 @@ static struct xfrm6_tunnel xfrm6_tunnel_handler = {
.priority = 2,
};
+static struct xfrm6_tunnel xfrm46_tunnel_handler = {
+ .handler = xfrm6_tunnel_rcv,
+ .err_handler = xfrm6_tunnel_err,
+ .priority = 2,
+};
+
static int __init xfrm6_tunnel_init(void)
{
if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0)
return -EAGAIN;
- if (xfrm6_tunnel_register(&xfrm6_tunnel_handler)) {
+ if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) {
+ xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
+ return -EAGAIN;
+ }
+ if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET)) {
+ xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
return -EAGAIN;
}
if (xfrm6_tunnel_spi_init() < 0) {
- xfrm6_tunnel_deregister(&xfrm6_tunnel_handler);
+ xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
+ xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
return -EAGAIN;
}
@@ -359,7 +371,8 @@ static int __init xfrm6_tunnel_init(void)
static void __exit xfrm6_tunnel_fini(void)
{
xfrm6_tunnel_spi_fini();
- xfrm6_tunnel_deregister(&xfrm6_tunnel_handler);
+ xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
+ xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
}