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-rw-r--r--include/net/xfrm.h4
-rw-r--r--net/ipv6/mip6.c11
-rw-r--r--net/ipv6/xfrm6_policy.c20
3 files changed, 12 insertions, 23 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 1dd20cf17982..3434fdc7de37 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -282,6 +282,8 @@ struct xfrm_type
__u8 flags;
#define XFRM_TYPE_NON_FRAGMENT 1
#define XFRM_TYPE_REPLAY_PROT 2
+#define XFRM_TYPE_LOCAL_COADDR 4
+#define XFRM_TYPE_REMOTE_COADDR 8
int (*init_state)(struct xfrm_state *x);
void (*destructor)(struct xfrm_state *);
@@ -289,8 +291,6 @@ struct xfrm_type
int (*output)(struct xfrm_state *, struct sk_buff *pskb);
int (*reject)(struct xfrm_state *, struct sk_buff *, struct flowi *);
int (*hdr_offset)(struct xfrm_state *, struct sk_buff *, u8 **);
- xfrm_address_t *(*local_addr)(struct xfrm_state *, xfrm_address_t *);
- xfrm_address_t *(*remote_addr)(struct xfrm_state *, xfrm_address_t *);
/* Estimate maximal size of result of transformation of a dgram */
u32 (*get_mtu)(struct xfrm_state *, int size);
};
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 7fd841d41019..edfd9cdd721c 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -34,11 +34,6 @@
#include <net/xfrm.h>
#include <net/mip6.h>
-static xfrm_address_t *mip6_xfrm_addr(struct xfrm_state *x, xfrm_address_t *addr)
-{
- return x->coaddr;
-}
-
static inline unsigned int calc_padlen(unsigned int len, unsigned int n)
{
return (n - len + 16) & 0x7;
@@ -337,14 +332,13 @@ static struct xfrm_type mip6_destopt_type =
.description = "MIP6DESTOPT",
.owner = THIS_MODULE,
.proto = IPPROTO_DSTOPTS,
- .flags = XFRM_TYPE_NON_FRAGMENT,
+ .flags = XFRM_TYPE_NON_FRAGMENT | XFRM_TYPE_LOCAL_COADDR,
.init_state = mip6_destopt_init_state,
.destructor = mip6_destopt_destroy,
.input = mip6_destopt_input,
.output = mip6_destopt_output,
.reject = mip6_destopt_reject,
.hdr_offset = mip6_destopt_offset,
- .local_addr = mip6_xfrm_addr,
};
static int mip6_rthdr_input(struct xfrm_state *x, struct sk_buff *skb)
@@ -467,13 +461,12 @@ static struct xfrm_type mip6_rthdr_type =
.description = "MIP6RT",
.owner = THIS_MODULE,
.proto = IPPROTO_ROUTING,
- .flags = XFRM_TYPE_NON_FRAGMENT,
+ .flags = XFRM_TYPE_NON_FRAGMENT | XFRM_TYPE_REMOTE_COADDR,
.init_state = mip6_rthdr_init_state,
.destructor = mip6_rthdr_destroy,
.input = mip6_rthdr_input,
.output = mip6_rthdr_output,
.hdr_offset = mip6_rthdr_offset,
- .remote_addr = mip6_xfrm_addr,
};
static int __init mip6_init(void)
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 77dc3651437e..3b38e493d151 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -87,20 +87,16 @@ __xfrm6_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
return dst;
}
-static inline struct in6_addr*
-__xfrm6_bundle_addr_remote(struct xfrm_state *x, struct in6_addr *addr)
+static inline xfrm_address_t *__xfrm6_bundle_addr_remote(struct xfrm_state *x)
{
- return (x->type->remote_addr) ?
- (struct in6_addr*)x->type->remote_addr(x, (xfrm_address_t *)addr) :
- (struct in6_addr*)&x->id.daddr;
+ return (x->type->flags & XFRM_TYPE_REMOTE_COADDR) ? x->coaddr :
+ &x->id.daddr;
}
-static inline struct in6_addr*
-__xfrm6_bundle_addr_local(struct xfrm_state *x, struct in6_addr *addr)
+static inline xfrm_address_t *__xfrm6_bundle_addr_local(struct xfrm_state *x)
{
- return (x->type->local_addr) ?
- (struct in6_addr*)x->type->local_addr(x, (xfrm_address_t *)addr) :
- (struct in6_addr*)&x->props.saddr;
+ return (x->type->flags & XFRM_TYPE_LOCAL_COADDR) ? x->coaddr :
+ &x->props.saddr;
}
/* Allocate chain of dst_entry's, attach known xfrm's, calculate
@@ -171,9 +167,9 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
fl_tunnel.fl4_src = xfrm[i]->props.saddr.a4;
break;
case AF_INET6:
- ipv6_addr_copy(&fl_tunnel.fl6_dst, __xfrm6_bundle_addr_remote(xfrm[i], &fl->fl6_dst));
+ ipv6_addr_copy(&fl_tunnel.fl6_dst, (struct in6_addr *)__xfrm6_bundle_addr_remote(xfrm[i]));
- ipv6_addr_copy(&fl_tunnel.fl6_src, __xfrm6_bundle_addr_local(xfrm[i], &fl->fl6_src));
+ ipv6_addr_copy(&fl_tunnel.fl6_src, (struct in6_addr *)__xfrm6_bundle_addr_local(xfrm[i]));
break;
default:
BUG_ON(1);