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Dan, who's working on C++ YNL, pointed out that the C code
does not make policies const. Sprinkle some 'const's around.
Reported-by: Dan Melnic <dmm@meta.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For type String and Binary we are currently usinig the exact-len
limit value as is without attempting any name resolution.
However, the spec may specify the name of a constant rather than an
actual value, which would result in using the constant name as is
and thus break the policy.
Ensure the limit value is passed to get_limit(), which will always
attempt resolving the name before printing the policy rule.
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Link: https://lore.kernel.org/r/20240510232202.24051-1-a@unstable.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some implementations, like bonding, has nest array with same attr type.
To support all kinds of entries under one nest array. As discussed[1],
let's rename array-nest to indexed-array, and assuming the value is
a nest by passing the type via sub-type.
[1] https://lore.kernel.org/netdev/20240312100105.16a59086@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240404063114.1221532-2-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When we set members of simple nested structures in requests
we need to set "presence" bits for all the nesting layers
below. This has nothing to do with the presence type of
the last layer.
Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink")
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240321020214.1250202-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The family struct is auto-generated for new families, support
use of the sock_priv_* mechanism added in commit a731132424ad
("genetlink: introduce per-sock family private storage").
For example if the family wants to use struct sk_buff as its
private struct (unrealistic but just for illustration), it would
add to its spec:
kernel-family:
headers: [ "linux/skbuff.h" ]
sock-priv: struct sk_buff
ynl-gen-c will declare the appropriate priv size and hook
in function prototypes to be implemented by the family.
Link: https://lore.kernel.org/r/20240308190319.2523704-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support using pre-defined values in checks so we don't need to use hard
code number for the string, binary length. e.g. we have a definition like
#define TEAM_STRING_MAX_LEN 32
Which defined in yaml like:
definitions:
-
name: string-max-len
type: const
value: 32
It can be used in the attribute-sets like
attribute-sets:
-
name: attr-option
name-prefix: team-attr-option-
attributes:
-
name: name
type: string
checks:
len: string-max-len
With this patch it will be converted to
[TEAM_ATTR_OPTION_NAME] = { .type = NLA_STRING, .len = TEAM_STRING_MAX_LEN, }
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240311140727.109562-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ynl-gen-c generates e.g. 'calloc(mcast_groups, sizeof(*dst->mcast_groups))'
for array-nest attrs when it should be 'n_mcast_groups'.
Add a 'n_' prefix in the generated code for array-nests.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20240306231046.97158-4-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We don't use libmnl any more.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-15-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Create a local version of the MNL_CB_* parser control values.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-13-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All YNL parsing callbacks take struct ynl_parse_arg as the argument.
Make that official by using a local callback type instead of mnl_cb_t.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-12-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit f2ba1e5e2208 ("tools: ynl-gen: stop generating common notification handlers")
removed the last caller of the parse_cb_run() helper.
We no longer need to export ynl_cb_array.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All YNL parsing code expects a pointer to struct ynl_parse_arg AKA yarg.
For dump was pass in struct ynl_dump_state, which works fine, because
struct ynl_dump_state and struct ynl_parse_arg have identical layout
for the members that matter.. but it's a bit hacky.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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libc doesn't have an ARRAY_SIZE() create one locally.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Create helpers for accessing payloads of struct nlmsg.
Use them instead of the libmnl ones.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Create ynl_attr_for_each*() iteration helpers.
Use them instead of the mnl ones.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Don't use mnl attr helpers, we're trying to remove the libmnl
dependency. Create both signed and unsigned helpers, libmnl
had unsigned helpers, so code generator no longer needs
the mnl_type() hack.
The new helpers are written from first principles, but are
hopefully not too buggy.
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240227223032.1835527-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We avoid printing forward declarations and prototypes for most
types by sorting things topologically. But if structs nest we
do need the forward declarations, there's no other way.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To avoid infinite nesting store recursive structs by pointer.
If recursive struct is placed in the op directly - the first
instance can be stored by value. That makes the code much
less of a pain for majority of practical uses.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We try to keep the structures and helpers "topologically sorted",
to avoid forward declarations. When recursive nests are at play
we need to sort twice, because structs which end up being marked
as recursive will get a full set of forward declarations, so we
should ignore them for the purpose of sorting.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Track which nests are recursive. Non-recursive nesting gets
rendered in C as directly nested structs. For recursive
ones we need to put a pointer in, rather than full struct.
Track this information, no change to generated code, yet.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fill in more empty handlers for TypeUnused. When 'unused'
attr gets specified in a nested set we have to cleanly
skip it during code generation.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support genetlink families using simple fixed headers.
Assume fixed header is identical for all ops of the family for now.
Fixed headers are added to the request and reply structs as a _hdr
member, and copied to/from netlink messages appropriately.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 30c902001534 ("tools: ynl-gen: use enum name from the spec")
added pre-cooked user type for enums. Use it to fix ignoring
enum-name provided in the spec.
This changes a type in struct ethtool_tunnel_udp_entry but is
generally inconsequential for current families.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The code gen generates a prototype for dump request free
in the header, but no implementation in the source.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20231213231432.2944749-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR.
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 2b7ac0c87d98 ("tools: ynl-gen: don't touch the output file if
content is the same") is working too well. It was added so that
ynl-regen -f doesn't make us rebuild half of the kernel, if there
are no actual changes in any generated code.
When ynl-gen-c is called by make, however, we're better off trusting
make's tracking and overwrite the file. Otherwise if output is identical
we won't update file timestamps and make will retry code gen on every
invocation.
Link: https://lore.kernel.org/r/20231129193622.2912353-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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struct ynl_req_state carries reply-related info from generated code
into generic YNL code. While we don't need reply info to execute
a request without a reply, we still need to pass in the struct, because
it's also where we get the pointer to struct ynl_sock from. Passing NULL
results in crashes if kernel returns an error or an unexpected reply.
Fixes: dc0956c98f11 ("tools: ynl-gen: move the response reading logic into YNL")
Link: https://lore.kernel.org/r/20231126225858.2144136-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The enum name used for id-to-str table does not handle
the enum-name override in the spec correctly.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a new family is ever added with a dash in the name
the C codegen will break. Make sure we use the "safe"
form of the name consistently.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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32bit builds generate the following warning when we use a u32-max
in range validation:
warning: decimal constant 4294967295 is between LONG_MAX and ULONG_MAX. For C99 that means long long, C90 compilers are very likely to produce unsigned long (and a warning) here
The range values are u64, slap ULL/LL on all of them just
to avoid such noise.
There's currently no code using full range validation, but
it will matter in the upcoming page-pool introspection.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't support CRUD-inspired message types in YNL too well.
One aspect that currently trips us up is the fact that single
message ID can be used in multiple commands (as the response).
This leads to duplicate entries in the id-to-string tables:
devlink-user.c:19:34: warning: initialized field overwritten [-Woverride-init]
19 | [DEVLINK_CMD_PORT_NEW] = "port-new",
| ^~~~~~~~~~
devlink-user.c:19:34: note: (near initialization for ‘devlink_op_strmap[7]’)
Fixes tag points at where the code was generated, the "real" problem
is that the code generator does not support CRUD.
Fixes: f2f9dd164db0 ("netlink: specs: devlink: add the remaining command to generate complete split_ops")
Link: https://lore.kernel.org/r/20231123030558.1611831-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I often regenerate all YNL files in the tree to make sure they
are in sync with the codegen and specs. Generator rewrites
the files unconditionally, so since make looks at file modification
time to decide what to rebuild - my next build takes longer.
We already generate the code to a tempfile most of the time,
only overwrite the target when we have to.
Before:
$ stat include/uapi/linux/netdev.h
File: include/uapi/linux/netdev.h
Size: 2307 Blocks: 8 IO Block: 4096 regular file
Access: 2023-10-27 15:19:56.347071940 -0700
Modify: 2023-10-27 15:19:45.089000900 -0700
Change: 2023-10-27 15:19:45.089000900 -0700
Birth: 2023-10-27 15:19:45.088000894 -0700
$ ./tools/net/ynl/ynl-regen.sh -f
[...]
$ stat include/uapi/linux/netdev.h
File: include/uapi/linux/netdev.h
Size: 2307 Blocks: 8 IO Block: 4096 regular file
Access: 2023-10-27 15:19:56.347071940 -0700
Modify: 2023-10-27 15:22:18.417968446 -0700
Change: 2023-10-27 15:22:18.417968446 -0700
Birth: 2023-10-27 15:19:45.088000894 -0700
After:
$ stat include/uapi/linux/netdev.h
File: include/uapi/linux/netdev.h
Size: 2307 Blocks: 8 IO Block: 4096 regular file
Access: 2023-10-27 15:22:41.520114221 -0700
Modify: 2023-10-27 15:22:18.417968446 -0700
Change: 2023-10-27 15:22:18.417968446 -0700
Birth: 2023-10-27 15:19:45.088000894 -0700
$ ./tools/net/ynl/ynl-regen.sh -f
[...]
$ stat include/uapi/linux/netdev.h
File: include/uapi/linux/netdev.h
Size: 2307 Blocks: 8 IO Block: 4096 regular file
Access: 2023-10-27 15:22:41.520114221 -0700
Modify: 2023-10-27 15:22:18.417968446 -0700
Change: 2023-10-27 15:22:18.417968446 -0700
Birth: 2023-10-27 15:19:45.088000894 -0700
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231027223408.1865704-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Davide reports that we look for the attr-cnt-name in the wrong
object. We try to read it from the family, but the schema only
allows for it to exist at attr-set level.
Reported-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/all/CAKa-r6vCj+gPEUKpv7AsXqM77N6pB0evuh7myHq=585RA3oD5g@mail.gmail.com/
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231025182739.184706-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Page pool code is compiled conditionally, but the operations
are part of the shared netlink family. We can handle this
by reporting empty list of pools or -EOPNOTSUPP / -ENOSYS
but the cleanest way seems to be removing the ops completely
at compilation time. That way user can see that the page
pool ops are not present using genetlink introspection.
Same way they'd check if the kernel is "new enough" to
support the ops.
Extend the specs with the ability to specify the config
condition under which op (and its policies, etc.) should
be hidden.
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231025162253.133159-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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struct nla_policy is usually constant itself, but unless
we make the ranges inside constant we won't be able to
make range structs const. The ranges are not modified
by the core.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231025162204.132528-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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add support for 'exact-len' validation on netlink attributes.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/340
Acked-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-1-v2-2-16b1f701f900@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jiri Pirko says:
====================
devlink: finish conversion to generated split_ops
This patchset converts the remaining genetlink commands to generated
split_ops and removes the existing small_ops arrays entirely
alongside with shared netlink attribute policy.
Patches #1-#6 are just small preparations and small fixes on multiple
places. Note that couple of patches contain the "Fixes"
tag but no need to put them into -net tree.
Patch #7 is a simple rename preparation
Patch #8 is the main one in this set and adds actual definitions of cmds
in to yaml file.
Patches #9-#10 finalize the change removing bits that are no longer in
use.
====================
Link: https://lore.kernel.org/r/20231021112711.660606-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Due to the check in RenderInfo class constructor, type_consistent
flag is set to False to avoid rendering the same response parsing
helper for do and dump ops. However, in case there is no do, the helper
needs to be rendered for dump op. So split check to achieve that.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231021112711.660606-4-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Introduce support for attribute type bitfield32.
Note that since the generated code works with struct nla_bitfield32,
the generator adds netlink.h to the list of includes for userspace
headers in case any bitfield32 is present.
Note that this is added only to genetlink-legacy scheme as requested
by Jakub Kicinski.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231021112711.660606-3-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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checkpatch gets confused and treats __attribute__ as a function call.
It complains about white space before "(":
WARNING:SPACING: space prohibited between function name and open parenthesis '('
+ struct netdev_queue_get_rsp obj __attribute__ ((aligned (8)));
No spaces wins in the kernel:
$ git grep 'attribute__((.*aligned(' | wc -l
480
$ git grep 'attribute__ ((.*aligned (' | wc -l
110
$ git grep 'attribute__ ((.*aligned(' | wc -l
94
$ git grep 'attribute__((.*aligned (' | wc -l
63
So, whatever, change the codegen.
Note that checkpatch also thinks we should use __aligned(),
but this is user space code.
Link: https://lore.kernel.org/all/202310190900.9Dzgkbev-lkp@intel.com/
Acked-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231020221827.3436697-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support uint / sint types in specs and YNL.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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uint/sint support will add more logic to mnl_type(),
deduplicate it and make it more accessible.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support the use of symbolic names like s8-min or u32-max in checks
to make writing specs less painful.
Link: https://lore.kernel.org/r/20231018163917.2514503-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Extend the support to full range of min/max checks.
None of the existing YNL families required complex integer validation.
The support is less than trivial, because we try to keep struct nla_policy
tiny the min/max members it holds in place are s16. Meaning we can only
express checks in range of s16. For larger ranges we need to define
a structure and link it in the policy.
Link: https://lore.kernel.org/r/20231018163917.2514503-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For range validation we'll need to know if any individual
attribute is used on input (i.e. whether we will generate
a policy for it). Track this information.
Link: https://lore.kernel.org/r/20231018163917.2514503-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The code supports dumps with no input attributes currently
thru a combination of special-casing and luck.
Clean up the handling of ops with no inputs. Create empty
Structs, and skip printing of empty types.
This makes dos with no inputs work.
Tested-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Link: https://lore.kernel.org/r/20231006135032.3328523-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Chuck points out that we should use the uapi-header property
when generating the guard. Otherwise we may generate the same
guard as another file in the tree.
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We use a tempfile for code generation, to avoid wiping the target
file out if the code generator crashes. File contents are copied
from tempfile to actual destination at the end of main().
uAPI generation is relatively simple so when generating the uAPI
header we return from main() early, and never reach the "copy code
over" stage. Since commit under Fixes uAPI headers are not updated
by ynl-gen.
Move the copy/commit of the code into CodeWriter, to make it
easier to call at any point in time. Hook it into the destructor
to make sure we don't miss calling it.
Fixes: f65f305ae008 ("tools: ynl-gen: use temporary file for rendering")
Link: https://lore.kernel.org/r/20230824212431.1683612-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Differentiate between empty list and None for member lists.
New families may want to create request responses with no attribute.
If we treat those the same as None we end up rendering
a full parsing policy in user space, instead of an empty one.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230824003056.1436637-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We look for attributes inside do.request, but there's another
layer of nesting in the spec, look inside do.request.attributes.
This bug had no effect as all global policies we generate (fou)
seem to be full, anyway, and we treat full and empty the same.
Next patch will change the treatment of empty policies.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230824003056.1436637-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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