Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / networking / xfrm_proc.txt

diff --git a/kernel/Documentation/networking/xfrm_proc.txt b/kernel/Documentation/networking/xfrm_proc.txt
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+XFRM proc - /proc/net/xfrm_* files
+==================================
+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
+~~~~~~~~~~~~~~~~~~
+XfrmInError:
+       All errors which is not matched others
+XfrmInBufferError:
+       No buffer is left
+XfrmInHdrError:
+       Header error
+XfrmInNoStates:
+       No state is found
+       i.e. Either inbound SPI, address, or IPsec protocol at SA is wrong
+XfrmInStateProtoError:
+       Transformation protocol specific error
+       e.g. SA key is wrong
+XfrmInStateModeError:
+       Transformation mode specific error
+XfrmInStateSeqError:
+       Sequence error
+       i.e. Sequence number is out of window
+XfrmInStateExpired:
+       State is expired
+XfrmInStateMismatch:
+       State has mismatch option
+       e.g. UDP encapsulation type is mismatch
+XfrmInStateInvalid:
+       State is invalid
+XfrmInTmplMismatch:
+       No matching template for states
+       e.g. Inbound SAs are correct but SP rule is wrong
+XfrmInNoPols:
+       No policy is found for states
+       e.g. Inbound SAs are correct but no SP is found
+XfrmInPolBlock:
+       Policy discards
+XfrmInPolError:
+       Policy error
+
+Outbound errors
+~~~~~~~~~~~~~~~
+XfrmOutError:
+       All errors which is not matched others
+XfrmOutBundleGenError:
+       Bundle generation error
+XfrmOutBundleCheckError:
+       Bundle check error
+XfrmOutNoStates:
+       No state is found
+XfrmOutStateProtoError:
+       Transformation protocol specific error
+XfrmOutStateModeError:
+       Transformation mode specific error
+XfrmOutStateSeqError:
+       Sequence error
+       i.e. Sequence number overflow
+XfrmOutStateExpired:
+       State is expired
+XfrmOutPolBlock:
+       Policy discards
+XfrmOutPolDead:
+       Policy is dead
+XfrmOutPolError:
+       Policy error