v0.26.0

What's Changed

libbpf-rs

• Added Link::info method for retrieving LinkInfo
• Extended LinkTypeInfo::PerfEvent variant to contain newly added PerfEventLinkInfo object
• Added Linker::add_buf method for adding in-memory ELF files to the set of objects to link
• Added Program::attach_iter_with_opts for attaching to iterators with additional options
• Added Program::attach_uprobe_multi & Program::attach_uprobe_multi_opts to enable attachments of multi uprobes at once
• Added Program::{stdout,stderr} for accessing BPF stdout and stderr streams
• Added OpenProgram::autoload getter
• Added OpenMap::autocreate and Map::autocreate getters
• Added MapCore::lookup_into for looking up values into preallocated buffers
• Added verified_insns attribute to query::ProgramInfo type
• Made query::ProgramInfo non-exhaustive
• Added ObjectBuilder::btf_custom_path setter

libbpf-cargo

• Fixed Rust type generation for trailing bitfields in composite C types
• Fixed handling of XxxSkelBuilder::obj_builder customizations when using open() constructor
• Allowlisted libbpf-sys 1.6.3

New Contributors

• @frelon made their first contribution in #1220
• @ver-nyan made their first contribution in #1253
• @vlrpl made their first contribution in #1258
• @sidchintamaneni made their first contribution in #1266
• @tamird made their first contribution in #1308
• @gadol21 made their first contribution in #1322

Full Changelog: v0.26.0-beta.1...v0.26.0

v0.26.0-beta.1

What's Changed

libbpf-cargo

• Allowlisted libbpf-sys 1.6.1

Full Changelog: v0.26.0-beta.0...v0.26.0-beta.1

v0.26.0-beta.0

What's Changed

libbpf-rs

• Added target_obj_id and target_btf_id fields to TracingLinkInfo to expose BTF information directly from kernel queries
• Removed previously deprecated Program::get_id_by_fd method
• Bumped minimum Rust version to 1.82

libbpf-cargo

• Moved BPF object content in generated skeletons into .bpf.objs section allowing easy extraction from the final binary
• Bumped minimum Rust version to 1.82

New Contributors

• @Phoenix500526 made their first contribution in #1186
• @frobware made their first contribution in #1193

Full Changelog: v0.25.0...v0.26.0-beta.0

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