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authorFan Du <fan.du@windriver.com>2013-06-06 06:15:54 +0400
committerSteffen Klassert <steffen.klassert@secunet.com>2013-06-06 08:45:55 +0400
commit4c4d41f200db375b2d2cc6d0a1de0606c8266398 (patch)
tree5ee1e98ef87828b95039fe2bf46e3195add1d13b /include/uapi
parent5865fc1b6a99bc7dcf245770c2735577b8596b6e (diff)
downloadlinux-4c4d41f200db375b2d2cc6d0a1de0606c8266398.tar.xz
xfrm: add LINUX_MIB_XFRMACQUIREERROR statistic counter
When host ping its peer, ICMP echo request packet triggers IPsec policy, then host negotiates SA secret with its peer. After IKE installed SA for OUT direction, but before SA for IN direction installed, host get ICMP echo reply from its peer. At the time being, the SA state for IN direction could be XFRM_STATE_ACQ, then the received packet will be dropped after adding LINUX_MIB_XFRMINSTATEINVALID statistic. Adding a LINUX_MIB_XFRMACQUIREERROR statistic counter for such scenario when SA in larval state is much clearer for user than LINUX_MIB_XFRMINSTATEINVALID which indicates the SA is totally bad. Signed-off-by: Fan Du <fan.du@windriver.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/snmp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index df2e8b4f9c03..ea17542ff321 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -287,6 +287,7 @@ enum
LINUX_MIB_XFRMOUTPOLERROR, /* XfrmOutPolError */
LINUX_MIB_XFRMFWDHDRERROR, /* XfrmFwdHdrError*/
LINUX_MIB_XFRMOUTSTATEINVALID, /* XfrmOutStateInvalid */
+ LINUX_MIB_XFRMACQUIREERROR, /* XfrmAcquireError */
__LINUX_MIB_XFRMMAX
};