[NETFILTER]: Add ctnetlink port for nf_conntrack

[powerpc.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 1cdb879..07d7b50 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -2,11 +2,12 @@
 #define _NET_XFRM_H
 
 #include <linux/compiler.h>
+#include <linux/in.h>
 #include <linux/xfrm.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/skbuff.h>
-#include <linux/netdevice.h>
+#include <linux/socket.h>
 #include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
 #include <linux/in6.h>
@@ -144,6 +145,9 @@ struct xfrm_state
         * transformer. */
        struct xfrm_type        *type;
 
+       /* Security context */
+       struct xfrm_sec_ctx     *security;
+
        /* Private data of this transformer, format is opaque,
         * interpreted by xfrm_type methods. */
        void                    *data;
@@ -298,6 +302,7 @@ struct xfrm_policy
        __u8                    flags;
        __u8                    dead;
        __u8                    xfrm_nr;
+       struct xfrm_sec_ctx     *security;
        struct xfrm_tmpl        xfrm_vec[XFRM_MAX_DEPTH];
 };
 
@@ -510,6 +515,25 @@ xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
        return 0;
 }
 
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+/*     If neither has a context --> match
+ *     Otherwise, both must have a context and the sids, doi, alg must match
+ */
+static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+{
+       return ((!s1 && !s2) ||
+               (s1 && s2 &&
+                (s1->ctx_sid == s2->ctx_sid) &&
+                (s1->ctx_doi == s2->ctx_doi) &&
+                (s1->ctx_alg == s2->ctx_alg)));
+}
+#else
+static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+{
+       return 1;
+}
+#endif
+
 /* A struct encoding bundle of transformations to apply to some set of flow.
  *
  * dst->child points to the next element of bundle.
@@ -878,8 +902,8 @@ static inline int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl, unsig
 struct xfrm_policy *xfrm_policy_alloc(gfp_t gfp);
 extern int xfrm_policy_walk(int (*func)(struct xfrm_policy *, int, int, void*), void *);
 int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
-struct xfrm_policy *xfrm_policy_bysel(int dir, struct xfrm_selector *sel,
-                                     int delete);
+struct xfrm_policy *xfrm_policy_bysel_ctx(int dir, struct xfrm_selector *sel,
+                                         struct xfrm_sec_ctx *ctx, int delete);
 struct xfrm_policy *xfrm_policy_byid(int dir, u32 id, int delete);
 void xfrm_policy_flush(void);
 u32 xfrm_get_acqseq(void);