xfrm: Notify changes in UDP encapsulation via netlink

Add new_mapping() implementation to the netlink xfrm_mgr to notify
address/port changes detected in UDP encapsulated ESP packets.

Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Martin Willi 2008-10-28 16:01:07 -07:00 committed by David S. Miller
parent 93adcc80f3
commit 3a2dfbe8ac
2 changed files with 66 additions and 0 deletions

View file

@ -199,6 +199,9 @@ enum {
#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
XFRM_MSG_GETSPDINFO,
#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
XFRM_MSG_MAPPING,
#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
__XFRM_MSG_MAX
};
#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@ -438,6 +441,15 @@ struct xfrm_user_migrate {
__u16 new_family;
};
struct xfrm_user_mapping {
struct xfrm_usersa_id id;
__u32 reqid;
xfrm_address_t old_saddr;
xfrm_address_t new_saddr;
__be16 old_sport;
__be16 new_sport;
};
#ifndef __KERNEL__
/* backwards compatibility for userspace */
#define XFRMGRP_ACQUIRE 1
@ -464,6 +476,8 @@ enum xfrm_nlgroups {
#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
XFRMNLGRP_MIGRATE,
#define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
XFRMNLGRP_MAPPING,
#define XFRMNLGRP_MAPPING XFRMNLGRP_MAPPING
__XFRMNLGRP_MAX
};
#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)