Re: [RESEND PATCH net-next] xfrm: add LINUX_MIB_XFRMACQUIREERROR statistic counter

[Steffen Klassert <steffen.klassert@secunet.com>]

On Tue, May 21, 2013 at 09:22:24AM +0800, Fan Du wrote:
> Hi, Sergei
> 
> On 2013年05月20日 22:11, Sergei Shtylyov wrote:
> >Hello.
> >
> >On 20-05-2013 5:40, Fan Du wrote:
> >
> >>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>
> >>---
> >>include/uapi/linux/snmp.h | 1 +
> >>net/xfrm/xfrm_input.c | 5 +++++
> >>net/xfrm/xfrm_proc.c | 1 +
> >>3 files changed, 7 insertions(+), 0 deletions(-)
> >
> >>diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
> >>index df2e8b4..3d072bf 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*/
> >
> >Please indent the comment with tabs and align with the above ones.
> 
> Thanks for the point, I will fix this in next round after reviewing from Steffen and others.
> 

The patch looks ok to me, please fix the indent and resend.

Thanks!