[XFRM] STATE: Search by address using source address list.
This is a support to search transformation states by its addresses
by using source address list for Mobile IPv6 usage.
To use it from user-space, it is also added a message type for
source address as a xfrm state option.
Based on MIPL2 kernel patch.
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>
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 5154064..66343d3 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -234,6 +234,7 @@
XFRMA_REPLAY_VAL,
XFRMA_REPLAY_THRESH,
XFRMA_ETIMER_THRESH,
+ XFRMA_SRCADDR, /* xfrm_address_t */
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 88145e3..d9c40e7 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -244,6 +244,7 @@
struct xfrm_tmpl *tmpl,
xfrm_address_t *daddr, xfrm_address_t *saddr);
struct xfrm_state *(*state_lookup)(xfrm_address_t *daddr, u32 spi, u8 proto);
+ struct xfrm_state *(*state_lookup_byaddr)(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto);
struct xfrm_state *(*find_acq)(u8 mode, u32 reqid, u8 proto,
xfrm_address_t *daddr, xfrm_address_t *saddr,
int create);
@@ -937,6 +938,7 @@
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);
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);