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synced 2025-01-10 15:19:51 +00:00
netlink: specs: add partial specification for ethtool
Ethtool is one of the most actively developed families.
With the changes to the CLI it should be possible to use
the YNL based code for easy prototyping and development.
Add a partial family definition. I've tested the string
set and rings. I don't have any MAC Merge implementation
to test with, but I added the definition for it, anyway,
because it's last. New commands can simply be added at
the end without having to worry about manually providing
IDs / values.
Set (with notification support - None is the response,
the data is from the notification):
$ sudo ./tools/net/ynl/cli.py \
--spec Documentation/netlink/specs/ethtool.yaml \
--do rings-set \
--json '{"header":{"dev-name":"enp0s31f6"}, "rx":129}' \
--subscribe monitor
None
[{'msg': {'header': {'dev-index': 2, 'dev-name': 'enp0s31f6'},
'rx': 136,
'rx-max': 4096,
'tx': 256,
'tx-max': 4096,
'tx-push': 0},
'name': 'rings-ntf'}]
Do / dump (yes, the kernel requires that even for dump and even
if empty - the "header" nest must be there):
$ ./tools/net/ynl/cli.py \
--spec Documentation/netlink/specs/ethtool.yaml \
--do rings-get \
--json '{"header":{"dev-index": 2}}'
{'header': {'dev-index': 2, 'dev-name': 'enp0s31f6'},
'rx': 136,
'rx-max': 4096,
'tx': 256,
'tx-max': 4096,
'tx-push': 0}
$ ./tools/net/ynl/cli.py \
--spec Documentation/netlink/specs/ethtool.yaml \
--dump rings-get \
--json '{"header":{}}'
[{'header': {'dev-index': 2, 'dev-name': 'enp0s31f6'},
'rx': 136,
'rx-max': 4096,
'tx': 256,
'tx-max': 4096,
'tx-push': 0},
{'header': {'dev-index': 3, 'dev-name': 'wlp0s20f3'}, 'tx-push': 0},
{'header': {'dev-index': 19, 'dev-name': 'enp58s0u1u1'},
'rx': 100,
'rx-max': 4096,
'tx-push': 0}]
And error reporting:
$ ./tools/net/ynl/cli.py \
--spec Documentation/netlink/specs/ethtool.yaml \
--dump rings-get \
--json '{"header":{"flags":5}}'
Netlink error: Invalid argument
nl_len = 68 (52) nl_flags = 0x300 nl_type = 2
error: -22 extack: {'msg': 'reserved bit set',
'bad-attr-offs': 24,
'bad-attr': '.header.flags'}
None
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
parent
8403bf0445
commit
b784db7ae8
392
Documentation/netlink/specs/ethtool.yaml
Normal file
392
Documentation/netlink/specs/ethtool.yaml
Normal file
@ -0,0 +1,392 @@
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name: ethtool
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protocol: genetlink-legacy
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doc: Partial family for Ethtool Netlink.
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attribute-sets:
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-
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name: header
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attributes:
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-
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name: dev-index
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type: u32
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value: 1
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-
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name: dev-name
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type: string
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-
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name: flags
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type: u32
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-
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name: bitset-bit
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attributes:
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-
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name: index
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type: u32
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value: 1
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-
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name: name
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type: string
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-
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name: value
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type: flag
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-
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name: bitset-bits
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attributes:
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-
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name: bit
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type: nest
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nested-attributes: bitset-bit
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value: 1
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-
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name: bitset
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attributes:
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-
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name: nomask
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type: flag
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value: 1
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-
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name: size
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type: u32
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-
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name: bits
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type: nest
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nested-attributes: bitset-bits
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-
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name: string
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attributes:
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-
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name: index
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type: u32
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value: 1
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-
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name: value
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type: string
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-
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name: strings
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attributes:
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-
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name: string
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type: nest
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value: 1
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multi-attr: true
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nested-attributes: string
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-
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name: stringset
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attributes:
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-
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name: id
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type: u32
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value: 1
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-
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name: count
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type: u32
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-
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name: strings
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type: nest
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multi-attr: true
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nested-attributes: strings
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-
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name: stringsets
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attributes:
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-
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name: stringset
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type: nest
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multi-attr: true
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value: 1
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nested-attributes: stringset
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-
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name: strset
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attributes:
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-
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name: header
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value: 1
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type: nest
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nested-attributes: header
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-
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name: stringsets
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type: nest
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nested-attributes: stringsets
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-
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name: counts-only
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type: flag
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-
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name: privflags
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attributes:
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-
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name: header
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value: 1
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type: nest
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nested-attributes: header
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-
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name: flags
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type: nest
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nested-attributes: bitset
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-
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name: rings
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attributes:
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-
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name: header
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value: 1
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type: nest
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nested-attributes: header
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-
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name: rx-max
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type: u32
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-
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name: rx-mini-max
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type: u32
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-
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name: rx-jumbo-max
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type: u32
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-
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name: tx-max
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type: u32
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-
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name: rx
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type: u32
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-
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name: rx-mini
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type: u32
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-
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name: rx-jumbo
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type: u32
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-
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name: tx
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type: u32
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-
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name: rx-buf-len
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type: u32
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-
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name: tcp-data-split
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type: u8
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-
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name: cqe-size
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type: u32
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-
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name: tx-push
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type: u8
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-
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name: mm-stat
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attributes:
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-
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name: pad
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value: 1
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type: pad
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-
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name: reassembly-errors
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type: u64
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-
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name: smd-errors
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type: u64
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-
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name: reassembly-ok
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type: u64
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-
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name: rx-frag-count
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type: u64
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-
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name: tx-frag-count
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type: u64
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-
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name: hold-count
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type: u64
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-
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name: mm
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attributes:
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-
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name: header
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value: 1
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type: nest
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nested-attributes: header
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-
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name: pmac-enabled
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type: u8
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-
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name: tx-enabled
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type: u8
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-
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name: tx-active
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type: u8
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-
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name: tx-min-frag-size
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type: u32
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-
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name: tx-min-frag-size
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type: u32
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-
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name: verify-enabled
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type: u8
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-
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name: verify-status
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type: u8
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-
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name: verify-time
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type: u32
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-
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name: max-verify-time
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type: u32
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-
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name: stats
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type: nest
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nested-attributes: mm-stat
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operations:
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enum-model: directional
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list:
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-
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name: strset-get
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doc: Get string set from the kernel.
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attribute-set: strset
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do: &strset-get-op
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request:
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value: 1
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attributes:
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- header
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- stringsets
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- counts-only
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reply:
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value: 1
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attributes:
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- header
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- stringsets
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dump: *strset-get-op
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# TODO: fill in the requests in between
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-
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name: privflags-get
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doc: Get device private flags.
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attribute-set: privflags
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do: &privflag-get-op
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request:
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value: 13
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attributes:
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- header
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reply:
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value: 14
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attributes:
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- header
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- flags
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dump: *privflag-get-op
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-
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name: privflags-set
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doc: Set device private flags.
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attribute-set: privflags
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do:
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request:
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attributes:
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- header
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- flags
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-
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name: privflags-ntf
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doc: Notification for change in device private flags.
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notify: privflags-get
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-
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name: rings-get
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doc: Get ring params.
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attribute-set: rings
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do: &ring-get-op
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request:
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attributes:
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- header
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reply:
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attributes:
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- header
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- rx-max
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- rx-mini-max
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- rx-jumbo-max
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- tx-max
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- rx
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- rx-mini
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- rx-jumbo
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- tx
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- rx-buf-len
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- tcp-data-split
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- cqe-size
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- tx-push
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dump: *ring-get-op
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-
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name: rings-set
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doc: Set ring params.
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attribute-set: rings
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do:
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request:
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attributes:
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- header
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- rx
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- rx-mini
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- rx-jumbo
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- tx
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- rx-buf-len
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- tcp-data-split
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- cqe-size
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- tx-push
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-
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name: rings-ntf
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doc: Notification for change in ring params.
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notify: rings-get
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# TODO: fill in the requests in between
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-
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name: mm-get
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doc: Get MAC Merge configuration and state
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attribute-set: mm
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do: &mm-get-op
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request:
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value: 42
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attributes:
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- header
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reply:
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value: 42
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attributes:
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- header
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- pmac-enabled
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- tx-enabled
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- tx-active
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- tx-min-frag-size
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- rx-min-frag-size
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- verify-enabled
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- verify-time
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- max-verify-time
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- stats
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dump: *mm-get-op
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-
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name: mm-set
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doc: Set MAC Merge configuration
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attribute-set: mm
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do:
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request:
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attributes:
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- header
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- verify-enabled
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- verify-time
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- tx-enabled
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- pmac-enabled
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- tx-min-frag-size
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-
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name: mm-ntf
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doc: Notification for change in MAC Merge configuration.
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notify: mm-get
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