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[IPSEC]: Sync series - core changes

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This patch provides the core functionality needed for sync events
for ipsec. Derived work of Krisztian KOVACS <hidden@balabit.hu>

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamal Hadi Salim 2006-03-20 19:15:11 -08:00 • committed by David S. Miller
parent f5539eb8ca
commit f8cd54884e
6 changed files with 176 additions and 3 deletions
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30
include/linux/xfrm.h
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@ -156,6 +156,10 @@ enum {
XFRM_MSG_FLUSHPOLICY,
#define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
XFRM_MSG_NEWAE,
#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
XFRM_MSG_GETAE,
#define XFRM_MSG_GETAE XFRM_MSG_GETAE
__XFRM_MSG_MAX
};
#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@ -194,6 +198,21 @@ struct xfrm_encap_tmpl {
xfrm_address_t encap_oa;
};
/* AEVENT flags */
enum xfrm_ae_ftype_t {
XFRM_AE_UNSPEC,
XFRM_AE_RTHR=1, /* replay threshold*/
XFRM_AE_RVAL=2, /* replay value */
XFRM_AE_LVAL=4, /* lifetime value */
XFRM_AE_ETHR=8, /* expiry timer threshold */
XFRM_AE_CR=16, /* Event cause is replay update */
XFRM_AE_CE=32, /* Event cause is timer expiry */
XFRM_AE_CU=64, /* Event cause is policy update */
__XFRM_AE_MAX
#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
};
/* Netlink message attributes. */
enum xfrm_attr_type_t {
XFRMA_UNSPEC,
@ -205,6 +224,10 @@ enum xfrm_attr_type_t {
XFRMA_SA,
XFRMA_POLICY,
XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
XFRMA_LTIME_VAL,
XFRMA_REPLAY_VAL,
XFRMA_REPLAY_THRESH,
XFRMA_ETIMER_THRESH,
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
@ -235,6 +258,11 @@ struct xfrm_usersa_id {
__u8 proto;
};
struct xfrm_aevent_id {
__u32 flags;
struct xfrm_usersa_id sa_id;
};
struct xfrm_userspi_info {
struct xfrm_usersa_info info;
__u32 min;
@ -306,6 +334,8 @@ enum xfrm_nlgroups {
#define XFRMNLGRP_SA XFRMNLGRP_SA
XFRMNLGRP_POLICY,
#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
XFRMNLGRP_AEVENTS,
#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
__XFRMNLGRP_MAX
};
#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)