Fix typo verion -> version in genetlink-c and genetlink-legacy.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20230825122756.7603-2-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allow user to specify GENL_DONT_VALIDATE_DUMP_STRICT flag for validation
and add this flag to netlink spec schema.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230803111340.1074067-2-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a display-hint property to the netlink schema that is for providing
optional hints to generic netlink clients about how to display attribute
values. A display-hint on an attribute definition is intended for
letting a client such as ynl know that, for example, a u32 should be
rendered as an ipv4 address. The display-hint enumeration includes a
small number of networking domain-specific value types.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230623201928.14275-2-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ethtool's PSE PoDL has a attr nest with different prefixes:
/* Power Sourcing Equipment */
enum {
ETHTOOL_A_PSE_UNSPEC,
ETHTOOL_A_PSE_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_PODL_PSE_ADMIN_STATE, /* u32 */
ETHTOOL_A_PODL_PSE_ADMIN_CONTROL, /* u32 */
ETHTOOL_A_PODL_PSE_PW_D_STATUS, /* u32 */
Header has a prefix of ETHTOOL_A_PSE_ and other attrs prefix of
ETHTOOL_A_PODL_PSE_ we can't cover them uniformly.
If PODL was after PSE life would be easy.
Now we either need to add prefixes to attr names which is yucky
or support setting prefix name per attr.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Support decoding scalars as enums in struct members for genetlink-legacy
specs.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Make it possible to document the meaning of struct member attributes in
genetlink-legacy specs.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for byte-order in struct members in the genetlink-legacy
spec.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for netlink families that add an optional fixed header structure
after the genetlink header and before any attributes. The fixed-header can be
specified on a per op basis, or once for all operations, which serves as a
default value that can be overridden.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for decoding attributes that contain C structs.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Chuck wanted to put the UAPI header in linux/net/ which seems
reasonable, allow genetlink families to choose the location.
It doesn't really matter for non-C-like languages.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
I relicensed Netlink spec code to GPL-2.0 OR BSD-3-Clause but
we still put a slightly different license on the uAPI header
than the rest of the code. Use the Linux-syscall-note on all
the specs and all generated code. It's moot for kernel code,
but should not hurt. This way the licenses match everywhere.
Cc: Chuck Lever <chuck.lever@oracle.com>
Fixes: 37d9df224d ("ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause")
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I was intending to make all the Netlink Spec code BSD-3-Clause
to ease the adoption but it appears that:
- I fumbled the uAPI and used "GPL WITH uAPI note" there
- it gives people pause as they expect GPL in the kernel
As suggested by Chuck re-license under dual. This gives us benefit
of full BSD freedom while fulfilling the broad "kernel is under GPL"
expectations.
Link: https://lore.kernel.org/all/20230304120108.05dd44c5@kernel.org/
Link: https://lore.kernel.org/r/20230306200457.3903854-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I had a (bright?) idea of introducing the concept of enum-models
to account for all the weird ways families enumerate their messages.
I've never finished it because generating C code for each of them
is pretty daunting. But for languages which can use ID values directly
the support is simple enough, so clean this up a bit.
"unified" model is what I recommend going forward.
"directional" model is what ethtool uses.
"notify-split" is used by the proposed DPLL code, but we can just
make them use "unified", it hasn't been merged :)
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add schemas for Netlink spec files. As described in the docs
we have 4 "protocols" or compatibility levels, and each one
comes with its own schema, but the more general / legacy
schemas are superset of more modern ones: genetlink is
the smallest followed by genetlink-c and genetlink-legacy.
There is no schema for raw netlink, yet, I haven't found the time..
I don't know enough jsonschema to do inheritance or something
but the repetition is not too bad. I hope.
Acked-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Donald Hunter