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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-24 05:44:06 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-23 00:08:30 +0200
commit97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 (patch)
tree424700fb0a41b28c5615d0d21ca74d699e1fa872 /include
parent[XFRM]: Trace which secpath state is reject factor. (diff)
downloadlinux-97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5.tar.xz
linux-97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5.zip
[XFRM]: Introduce XFRM_MSG_REPORT.
XFRM_MSG_REPORT is a message as notification of state protocol and selector from kernel to user-space. Mobile IPv6 will use it when inbound reject is occurred at route optimization to make user-space know a binding error requirement. 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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/xfrm.h12
-rw-r--r--include/net/xfrm.h2
2 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 1d8c1f22c12d..4009f4445fa9 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -166,6 +166,10 @@ enum {
#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
XFRM_MSG_GETAE,
#define XFRM_MSG_GETAE XFRM_MSG_GETAE
+
+ XFRM_MSG_REPORT,
+#define XFRM_MSG_REPORT XFRM_MSG_REPORT
+
__XFRM_MSG_MAX
};
#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@@ -325,12 +329,18 @@ struct xfrm_usersa_flush {
__u8 proto;
};
+struct xfrm_user_report {
+ __u8 proto;
+ struct xfrm_selector sel;
+};
+
#ifndef __KERNEL__
/* backwards compatibility for userspace */
#define XFRMGRP_ACQUIRE 1
#define XFRMGRP_EXPIRE 2
#define XFRMGRP_SA 4
#define XFRMGRP_POLICY 8
+#define XFRMGRP_REPORT 0x10
#endif
enum xfrm_nlgroups {
@@ -346,6 +356,8 @@ enum xfrm_nlgroups {
#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
XFRMNLGRP_AEVENTS,
#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
+ XFRMNLGRP_REPORT,
+#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
__XFRMNLGRP_MAX
};
#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 9ebbdc1dd471..0b223eed4c9b 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -381,6 +381,7 @@ struct xfrm_mgr
struct xfrm_policy *(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
int (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
+ int (*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
};
extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -1043,6 +1044,7 @@ extern void xfrm_init_pmtu(struct dst_entry *dst);
extern wait_queue_head_t km_waitq;
extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid);
+extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
extern void xfrm_input_init(void);
extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq);