diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2024-10-09 10:09:47 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-10-10 17:30:21 +0200 |
| commit | 13d68a16430312fc21990f48326366eb73891202 (patch) | |
| tree | ac5846331f7e46d70dbfb2dfcbfd26c3e728003e /include/net | |
| parent | Fix misspelling of "accept*" in net (diff) | |
| download | linux-13d68a16430312fc21990f48326366eb73891202.tar.xz linux-13d68a16430312fc21990f48326366eb73891202.zip | |
genetlink: extend info user-storage to match NL cb ctx
This allows a more uniform implementation of non-dump and dump
operations, and will be used later in the series to avoid some
per-operation allocation.
Additionally rename the NL_ASSERT_DUMP_CTX_FITS macro, to
fit a more extended usage.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Link: https://patch.msgid.link/1130cc2896626b84587a2a5f96a5c6829638f4da.1728460186.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/genetlink.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 9ab49bfeae78..9d3726e8f90e 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -124,7 +124,8 @@ struct genl_family { * @genlhdr: generic netlink message header * @attrs: netlink attributes * @_net: network namespace - * @user_ptr: user pointers + * @ctx: storage space for the use by the family + * @user_ptr: user pointers (deprecated, use ctx instead) * @extack: extended ACK report struct */ struct genl_info { @@ -135,7 +136,10 @@ struct genl_info { struct genlmsghdr * genlhdr; struct nlattr ** attrs; possible_net_t _net; - void * user_ptr[2]; + union { + u8 ctx[NETLINK_CTX_SIZE]; + void * user_ptr[2]; + }; struct netlink_ext_ack *extack; }; |