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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-23 22:48:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:08:34 -0700
commit41a49cc3c02ace59d4dddae91ea211c330970ee3 (patch)
treebca262bd2d32f1cf7473b5360052ff3103845e23 /include/net/xfrm.h
parent4e81bb8336a0ac50289d4d4c7a55e559b994ee8f (diff)
[XFRM]: Add sorting interface for state and template.
Under two transformation policies it is required to merge them. This is a platform to sort state for outbound and templates for inbound respectively. It will be used when Mobile IPv6 and IPsec are used at the same time. Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/xfrm.h')
-rw-r--r--include/net/xfrm.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 4655ca25f80..d341603e4ba 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -254,6 +254,8 @@ struct xfrm_state_afinfo {
struct xfrm_state *(*find_acq)(u8 mode, u32 reqid, u8 proto,
xfrm_address_t *daddr, xfrm_address_t *saddr,
int create);
+ int (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
+ int (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
};
extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
@@ -1002,6 +1004,24 @@ extern int xfrm_state_add(struct xfrm_state *x);
extern int xfrm_state_update(struct xfrm_state *x);
extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family);
extern struct xfrm_state *xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
+#ifdef CONFIG_XFRM_SUB_POLICY
+extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
+ int n, unsigned short family);
+extern int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src,
+ int n, unsigned short family);
+#else
+static inline int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
+ int n, unsigned short family)
+{
+ return -ENOSYS;
+}
+
+static inline int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src,
+ int n, unsigned short family)
+{
+ return -ENOSYS;
+}
+#endif
extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
extern int xfrm_state_delete(struct xfrm_state *x);
extern void xfrm_state_flush(u8 proto);