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authorShannon Nelson <shannon.nelson@oracle.com>2017-12-22 01:26:18 +0300
committerSteffen Klassert <steffen.klassert@secunet.com>2017-12-22 08:45:48 +0300
commit1a4bb1d14f7c0c4df418d08eb8e24d1c0e54b06a (patch)
tree4c70a3534836d986e181ac3a70bb5fd2a8c7725e /Documentation/networking
parent9cb0d21d01b974761735a7f5345d632f967e625a (diff)
downloadlinux-1a4bb1d14f7c0c4df418d08eb8e24d1c0e54b06a.tar.xz
xfrm: update the stats documentation
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>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/xfrm_proc.txt20
1 files changed, 14 insertions, 6 deletions
diff --git a/Documentation/networking/xfrm_proc.txt b/Documentation/networking/xfrm_proc.txt
index d0d8bafa9016..2eae619ab67b 100644
--- a/Documentation/networking/xfrm_proc.txt
+++ b/Documentation/networking/xfrm_proc.txt
@@ -5,13 +5,15 @@ Masahide NAKAMURA <nakam@linux-ipv6.org>
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:
All errors which is not matched others
XfrmInBufferError:
@@ -46,6 +48,10 @@ XfrmInPolBlock:
Policy discards
XfrmInPolError:
Policy error
+XfrmAcquireError:
+ State hasn't been fully acquired before use
+XfrmFwdHdrError:
+ Forward routing of a packet is not allowed
Outbound errors
~~~~~~~~~~~~~~~
@@ -72,3 +78,5 @@ XfrmOutPolDead:
Policy is dead
XfrmOutPolError:
Policy error
+XfrmOutStateInvalid:
+ State is invalid, perhaps expired