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xfrm: update the stats documentation

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Add a couple of stats that aren't in the documentation file
and rework the top description to be a little more readable.

Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Shannon Nelson 2017-12-21 14:26:18 -08:00 committed by Steffen Klassert
parent 9cb0d21d01
commit 1a4bb1d14f
1 changed files with 14 additions and 6 deletions
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20
Documentation/networking/xfrm_proc.txt
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@ -5,13 +5,15 @@ Masahide NAKAMURA <nakam@linux-ipv6.org>
Transformation Statistics Transformation Statistics
------------------------- -------------------------
xfrm_proc is a statistics shown factor dropped by transformation
for developer.
It is a counter designed from current transformation source code
and defined like linux private MIB.
Inbound statistics The xfrm_proc code is a set of statistics showing numbers of packets
~~~~~~~~~~~~~~~~~~ dropped by the transformation code and why. These counters are defined
as part of the linux private MIB. These counters can be viewed in
/proc/net/xfrm_stat.
Inbound errors
~~~~~~~~~~~~~~
XfrmInError: XfrmInError:
All errors which is not matched others All errors which is not matched others
XfrmInBufferError: XfrmInBufferError:
@ -46,6 +48,10 @@ XfrmInPolBlock:
Policy discards Policy discards
XfrmInPolError: XfrmInPolError:
Policy error Policy error
XfrmAcquireError:
State hasn't been fully acquired before use
XfrmFwdHdrError:
Forward routing of a packet is not allowed
Outbound errors Outbound errors
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~
@ -72,3 +78,5 @@ XfrmOutPolDead:
Policy is dead Policy is dead
XfrmOutPolError: XfrmOutPolError:
Policy error Policy error
XfrmOutStateInvalid:
State is invalid, perhaps expired