v0.25.0-beta.0

What's Changed

libbpf-rs

• Added Map::lookup_batch and Map::lookup_and_delete_batch method

libbpf-cargo

• Represent C enums with custom types and const fields
  • Adjusted Rust correspondents in generated skeletons to no longer be wrapped in MaybeUninit
• Adjusted SkeletonBuilder::build* methods to return CompilationOutput on success

New Contributors

• @JakeHillion made their first contribution in #994

Full Changelog: v0.24.8...v0.25.0-beta.0

v0.24.8

What's Changed

libbpf-rs

• Added Program::attach_netfilter_with_opts for attaching to netfilter hooks

Full Changelog: v0.24.8...v0.24.8

v0.24.7

What's Changed

libbpf-cargo

• Fixed handling of empty unions in BPF types

New Contributors

• @JoelColledge made their first contribution in #975
• @musicinmybrain made their first contribution in #988

Full Changelog: v0.24.6...v0.24.7

v0.24.6

What's Changed

libbpf-cargo

• Fixed incorrect Cargo environment variable query when used in build script context

New Contributors

• @kxxt made their first contribution in #959

Full Changelog: v0.24.5...v0.24.6

v0.24.5

What's Changed

libbpf-rs

• Renamed Program::get_id_by_fd to id_from_fd
  • Deprecated Program::get_id_by_fd
• Renamed Program::get_fd_by_id to fd_from_id
  • Deprecated Program::get_fd_by_id
• Adjusted Program::{attach_*, test_run} methods to work on shared receivers
• Adjusted PerfBufferBuilder to work with MapCore objects

New Contributors

• @CoderPoet made their first contribution in #939
• @lbrndnr made their first contribution in #951

Full Changelog: v0.24.4...v0.24.5

v0.24.4

What's Changed

libbpf-rs

• Added Program::fd_from_pinned_path method for restoring program descriptor from a pinned path

libbpf-cargo

• Adjusted skeleton generation code to work around libbpf forward compatibility issue when an old system libbpf is being used instead of the vendored copy

Full Changelog: v0.24.3...v0.24.4

v0.24.3

What's Changed

libbpf-cargo

• Silenced possible clippy reported warnings in generated skeleton when BPF object file does not contain any maps

Full Changelog: v0.24.2...v0.24.3

v0.24.2

What's Changed

libbpf-cargo

• Fixed panic on "open" of skeleton with kconfig map

Full Changelog: v0.24.1...v0.24.2

v0.24.1

What's Changed

libbpf-cargo

• Fixed missing BPF object cleanup after skeleton destruction

Full Changelog: v0.24.0...v0.24.1

v0.24.0

What's Changed

libbpf-rs

• Split {Open,}{Map,Program} into {Open,}{Map,Program} (for shared access) and {Open,}{Map,Program}Mut (for exclusive access)
• Added AsRawLibbpf impl for OpenObject and ObjectBuilder
• Decoupled Map and MapHandle more and introduced MapCore trait abstracting over common functionality
• Adjusted SkelBuilder::open method to require mutable reference to storage space for BPF object
• Adjusted {Open,}Object::from_ptr constructor to be infallible
• Added {Open,}Object::maps{_mut,} and {Open,}Object::progs{_mut,} for BPF map and program iteration
• Adjusted various APIs to return/use OsStr instead of CStr or str
• Adjusted {Open,}Program to lazily retrieve name and section
  • Changed name and section methods to return &OsStr and made constructors infallible
• Adjusted OpenObject::name to return Option<&OsStr>
• Removed Result return type from OpenProgram::{set_log_level,set_autoload,set_flags}
• Added Object::name method
• Added Copy and Clone impls for types inside btf::types module
• Adjusted OpenMap::set_inner_map_fd to return Result
• Adjusted ProgramInput::context_in field to be a mutable reference
• Made inner query::Tag contents publicly accessible
• Fixed potential memory leak in RingBufferBuilder::build
• Removed Display implementation of various enum types

libbpf-cargo

• Reworked generated skeletons to contain publicly accessible maps and program members, no longer requiring method calls
• Adjusted skeleton creation logic to generate Rust types for all types available in BPF
• Renamed module for generated Rust types from <project>_types to just types
• Renamed generated struct_ops type to StructOps and moved it out of types module
• Fixed Rust code generation logic to properly create Default impl for arrays of pointers

New Contributors

• @tverghis made their first contribution in #843
• @x1b6e6 made their first contribution in #890

Full Changelog: v0.23.3...v0.24.0