Blame - Documentation/networking/xfrm_proc.rst - SHIFTPHONES/mainline/linux

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Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	1	.. SPDX-License-Identifier: GPL-2.0
				2
				3	==================================
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	4	XFRM proc - /proc/net/xfrm_* files
				5	==================================
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	6
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	7	Masahide NAKAMURA <nakam@linux-ipv6.org>
				8
				9
				10	Transformation Statistics
				11	-------------------------
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	12
Shannon Nelson	1a4bb1d	2017-12-21 14:26:18 -0800	[diff] [blame]	13	The xfrm_proc code is a set of statistics showing numbers of packets
				14	dropped by the transformation code and why. These counters are defined
				15	as part of the linux private MIB. These counters can be viewed in
				16	/proc/net/xfrm_stat.
				17
				18
				19	Inbound errors
				20	~~~~~~~~~~~~~~
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	21
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	22	XfrmInError:
				23	All errors which is not matched others
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	24
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	25	XfrmInBufferError:
				26	No buffer is left
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	27
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	28	XfrmInHdrError:
				29	Header error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	30
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	31	XfrmInNoStates:
				32	No state is found
				33	i.e. Either inbound SPI, address, or IPsec protocol at SA is wrong
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	34
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	35	XfrmInStateProtoError:
				36	Transformation protocol specific error
				37	e.g. SA key is wrong
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	38
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	39	XfrmInStateModeError:
				40	Transformation mode specific error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	41
Masahide NAKAMURA	9472c9e	2008-01-31 17:14:58 -0800	[diff] [blame]	42	XfrmInStateSeqError:
				43	Sequence error
				44	i.e. Sequence number is out of window
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	45
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	46	XfrmInStateExpired:
				47	State is expired
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	48
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	49	XfrmInStateMismatch:
				50	State has mismatch option
				51	e.g. UDP encapsulation type is mismatch
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	52
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	53	XfrmInStateInvalid:
				54	State is invalid
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	55
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	56	XfrmInTmplMismatch:
				57	No matching template for states
				58	e.g. Inbound SAs are correct but SP rule is wrong
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	59
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	60	XfrmInNoPols:
				61	No policy is found for states
				62	e.g. Inbound SAs are correct but no SP is found
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	63
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	64	XfrmInPolBlock:
				65	Policy discards
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	66
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	67	XfrmInPolError:
				68	Policy error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	69
Shannon Nelson	1a4bb1d	2017-12-21 14:26:18 -0800	[diff] [blame]	70	XfrmAcquireError:
				71	State hasn't been fully acquired before use
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	72
Shannon Nelson	1a4bb1d	2017-12-21 14:26:18 -0800	[diff] [blame]	73	XfrmFwdHdrError:
				74	Forward routing of a packet is not allowed
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	75
				76	Outbound errors
				77	~~~~~~~~~~~~~~~
				78	XfrmOutError:
				79	All errors which is not matched others
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	80
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	81	XfrmOutBundleGenError:
				82	Bundle generation error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	83
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	84	XfrmOutBundleCheckError:
				85	Bundle check error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	86
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	87	XfrmOutNoStates:
				88	No state is found
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	89
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	90	XfrmOutStateProtoError:
				91	Transformation protocol specific error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	92
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	93	XfrmOutStateModeError:
				94	Transformation mode specific error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	95
Masahide NAKAMURA	9472c9e	2008-01-31 17:14:58 -0800	[diff] [blame]	96	XfrmOutStateSeqError:
				97	Sequence error
				98	i.e. Sequence number overflow
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	99
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	100	XfrmOutStateExpired:
				101	State is expired
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	102
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	103	XfrmOutPolBlock:
				104	Policy discards
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	105
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	106	XfrmOutPolDead:
				107	Policy is dead
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	108
Masahide NAKAMURA	558f82e	2007-12-20 20:42:57 -0800	[diff] [blame]	109	XfrmOutPolError:
				110	Policy error
Mauro Carvalho Chehab	da62baa	2020-05-01 16:44:30 +0200	[diff] [blame]	111
Shannon Nelson	1a4bb1d	2017-12-21 14:26:18 -0800	[diff] [blame]	112	XfrmOutStateInvalid:
				113	State is invalid, perhaps expired