new file mode 100644
@@ -0,0 +1,206 @@
+# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+
+name: nlctrl
+protocol: genetlink-legacy
+uapi-header: linux/genetlink.h
+
+doc: |
+ genetlink meta-family that exposes information about all genetlink
+ families registered in the kernel (including itself).
+
+definitions:
+ -
+ name: op-flags
+ type: flags
+ enum-name:
+ entries:
+ - admin-perm
+ - cmd-cap-do
+ - cmd-cap-dump
+ - cmd-cap-haspol
+ - uns-admin-perm
+ -
+ name: attr-type
+ enum-name: netlink-attribute-type
+ type: enum
+ entries:
+ - invalid
+ - flag
+ - u8
+ - u16
+ - u32
+ - u64
+ - s8
+ - s16
+ - s32
+ - s64
+ - binary
+ - string
+ - nul-string
+ - nested
+ - nested-array
+ - bitfield32
+ - sint
+ - uint
+
+attribute-sets:
+ -
+ name: ctrl-attrs
+ name-prefix: ctrl-attr-
+ attributes:
+ -
+ name: family-id
+ type: u16
+ -
+ name: family-name
+ type: string
+ -
+ name: version
+ type: u32
+ -
+ name: hdrsize
+ type: u32
+ -
+ name: maxattr
+ type: u32
+ -
+ name: ops
+ type: array-nest
+ nested-attributes: op-attrs
+ -
+ name: mcast-groups
+ type: array-nest
+ nested-attributes: mcast-group-attrs
+ -
+ name: policy
+ type: nest-type-value
+ type-value: [ policy-id, attr-id ]
+ nested-attributes: policy-attrs
+ -
+ name: op-policy
+ type: nest-type-value
+ type-value: [ op-id ]
+ nested-attributes: op-policy-attrs
+ -
+ name: op
+ type: u32
+ -
+ name: mcast-group-attrs
+ name-prefix: ctrl-attr-mcast-grp-
+ enum-name:
+ attributes:
+ -
+ name: name
+ type: string
+ -
+ name: id
+ type: u32
+ -
+ name: op-attrs
+ name-prefix: ctrl-attr-op-
+ enum-name:
+ attributes:
+ -
+ name: id
+ type: u32
+ -
+ name: flags
+ type: u32
+ enum: op-flags
+ enum-as-flags: true
+ -
+ name: policy-attrs
+ name-prefix: nl-policy-type-attr-
+ enum-name:
+ attributes:
+ -
+ name: type
+ type: u32
+ enum: attr-type
+ -
+ name: min-value-s
+ type: s64
+ -
+ name: max-value-s
+ type: s64
+ -
+ name: min-value-u
+ type: u64
+ -
+ name: max-value-u
+ type: u64
+ -
+ name: min-length
+ type: u32
+ -
+ name: max-length
+ type: u32
+ -
+ name: policy-idx
+ type: u32
+ -
+ name: policy-maxtype
+ type: u32
+ -
+ name: bitfield32-mask
+ type: u32
+ -
+ name: mask
+ type: u64
+ -
+ name: pad
+ type: pad
+ -
+ name: op-policy-attrs
+ name-prefix: ctrl-attr-policy-
+ enum-name:
+ attributes:
+ -
+ name: do
+ type: u32
+ -
+ name: dump
+ type: u32
+
+operations:
+ enum-model: directional
+ name-prefix: ctrl-cmd-
+ list:
+ -
+ name: getfamily
+ doc: Get / dump genetlink families
+ attribute-set: ctrl-attrs
+ do:
+ request:
+ value: 3
+ attributes:
+ - family-name
+ reply: &all-attrs
+ value: 1
+ attributes:
+ - family-id
+ - family-name
+ - hdrsize
+ - maxattr
+ - mcast-groups
+ - ops
+ - version
+ dump:
+ reply: *all-attrs
+ -
+ name: getpolicy
+ doc: Get / dump genetlink policies
+ attribute-set: ctrl-attrs
+ dump:
+ request:
+ value: 10
+ attributes:
+ - family-name
+ - family-id
+ - op
+ reply:
+ value: 10
+ attributes:
+ - family-id
+ - op-policy
+ - policy
Add a spec for the nlctrl family. Example usage: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nlctrl.yaml \ --do getfamily --json '{"family-name": "nlctrl"}' ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nlctrl.yaml \ --dump getpolicy --json '{"family-name": "nlctrl"}' Signed-off-by: Donald Hunter <donald.hunter@gmail.com> --- Documentation/netlink/specs/nlctrl.yaml | 207 ++++++++++++++++++++++++ 1 file changed, 207 insertions(+) create mode 100644 Documentation/netlink/specs/nlctrl.yaml