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authorKazunori MIYAZAWA <kazunori@miyazawa.org>2008-03-24 14:51:51 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-24 14:51:51 -0700
commitdf9dcb4588aca9cc243cf1f3f454361a84e1cbdb (patch)
tree53dabed7cffee752109808cbea2f812e0a6d7faf /include
parentfa86d322d89995fef1bfb5cc768b89d8c22ea0d9 (diff)
downloadop-kernel-dev-df9dcb4588aca9cc243cf1f3f454361a84e1cbdb.zip
op-kernel-dev-df9dcb4588aca9cc243cf1f3f454361a84e1cbdb.tar.gz
[IPSEC]: Fix inter address family IPsec tunnel handling.
Signed-off-by: Kazunori MIYAZAWA <kazunori@miyazawa.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/xfrm.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 619c53b..4e6f956 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -204,6 +204,7 @@ struct xfrm_state
* transformer. */
const struct xfrm_type *type;
struct xfrm_mode *inner_mode;
+ struct xfrm_mode *inner_mode_iaf;
struct xfrm_mode *outer_mode;
/* Security context */
@@ -387,6 +388,27 @@ enum {
extern int xfrm_register_mode(struct xfrm_mode *mode, int family);
extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
+static inline int xfrm_af2proto(unsigned int family)
+{
+ switch(family) {
+ case AF_INET:
+ return IPPROTO_IPIP;
+ case AF_INET6:
+ return IPPROTO_IPV6;
+ default:
+ return 0;
+ }
+}
+
+static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipproto)
+{
+ if ((ipproto == IPPROTO_IPIP && x->props.family == AF_INET) ||
+ (ipproto == IPPROTO_IPV6 && x->props.family == AF_INET6))
+ return x->inner_mode;
+ else
+ return x->inner_mode_iaf;
+}
+
struct xfrm_tmpl
{
/* id in template is interpreted as:
@@ -1253,6 +1275,7 @@ extern int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi,
extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
extern int xfrm_output_resume(struct sk_buff *skb, int err);
extern int xfrm_output(struct sk_buff *skb);
+extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_extract_header(struct sk_buff *skb);
extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
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