v0.25.0

What's Changed

libbpf-rs

• Added kprobe multi support for attaching programs, with and without providing additional options
• Added Program::attach_perf_event_with_opts for attaching to perf events with additional options
• Allow to provide additional options when attaching programs to raw tracepoints
• Allow to provide additional options when attaching programs to kprobes
• Introduced TracepointCategory enum for specifying tracepoint categories
• Added max_entries getter to various map types
• Added OpenProgramMut::set_autoattach
• Added additional ProgramAttachType and query::LinkTypeInfo variants
• Adjusted UprobeOpts::func_name to be an Option
• Implemented Sync for Link
• Updated libbpf-sys dependency to 1.5.0
• Added ProgramInput::repeat field to run a test multiple times
• Added ProgramOutput::duration field which represent the average duration per repetition
• Added RingBuffer::consume_raw_n method to consume up to N items

libbpf-cargo

• Adjusted all <xxx>_data BPF map skeleton members to be Options
• Adjusted numbering of generated Rust structs for anonymous C types to be less fragile in the presence of type additions
• Removed SkeletonBuilder::skip_clang_version_check and SkeletonBuilder::debug
• Removed --skip-clang-version-checks option of libbpf build sub-command
• Replaced --debug option of libbpf sub-command with -v / --verbose
  • Removed --quiet option of libbpf make sub-command
• Replaced CompilationOutput type with tracing based solution using newly added util::CargoWarningFormatter
• Fixed handling of multiple types of same name in BTF by enumerating them in the generated skeleton
• Bumped minimum Rust version to 1.78

New Contributors

• @Jongy made their first contribution in #1064
• @atenart made their first contribution in #1115
• @josefbacik made their first contribution in #1139
• @volcano0dr made their first contribution in #1142
• @theihor made their first contribution in #1153
• @chantra made their first contribution in #1159
• @SidongYang made their first contribution in #1176
• @Waujito made their first contribution in #1178

Full Changelog: v0.25.0-beta.1...v0.25.0

v0.25.0-beta.1

What's Changed

libbpf-rs

• Adjusted btf::types::EnumMember to store value as i64
• Adjusted btf::types::Enum64Member to store value as i128

libbpf-cargo

• Fixed skeleton generation when enum64 types are present

New Contributors

• @telbizov made their first contribution in #1028

Full Changelog: v0.25.0-beta.0...v0.25.0-beta.1

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