crates/libbpf-rs/CHANGELOG.md

0.24.8

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

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

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

Added support for user ring buffers
Fixed handling of bloom filter type maps
- Added Map::lookup_bloom_filter for looking up elements in a bloom filter

Overhauled crate feature set:
- Removed novendor feature
- Added vendored feature to use vendored copies of all needed libraries
Added Program::attach_ksyscall for attaching to ksyscall handlers
Added Program::test_run as a way for test-running programs
Added OpenMap::initial_value{,_mut} for retrieving a map's initial value
Added replace functionality to Xdp type
Added low-level consume_raw and poll_raw methods to RingBuffer type
Added recursion_misses attribute to query::ProgramInfo type
Added AsRawLibbpf impl for OpenProgram
Fixed incorrect inference of btf::types::MemberAttr::Bitfield variant
Fixed examples not building on non-x86 architectures
Fixed potentially missing padding byte initialization on some target architectures
Fixed compilation issues caused by mismatching function signatures in certain cross-compilation contexts
Updated libbpf-sys dependency to 1.4.0
Bumped minimum Rust version to 1.71

Reworked Error type:
- Replaced enum with data variants with struct hiding internal structure
- Added support for chaining of errors
- Overhauled how errors are displayed
Overhauled query::ProgramInfo and query::ProgInfoIter to make them more readily usable
Added Btf::from_vmlinux constructor and adjusted Btf::from_path to work with both raw and ELF files
Reworked ObjectBuilder:
- Made name method fallible
- Adjusted opts to return a reference to libbpf_sys::bpf_object_open_opts
- Removed object name argument from open_memory constructor
- Added pin_root_path setter
Added AsRawLibbpf trait as a unified way to retrieve libbpf equivalents for libbpf-rs objects
Added Map::update_batch method
Implemented Send for Link
Bumped minimum Rust version to 1.65
Updated bitflags dependency to 2.0

Enabled key iteration on MapHandle objects (formerly possible only on Map objects)
Bumped minimum Rust version to 1.64

Added TcHook::get_handle and TcHook::get_priority methods for restoring TcHook object
Added Program::get_fd_by_id and Program::get_id_by_fd methods for restoring bpf management data
Added Map::is_pinned and Map::get_pin_path methods for getting map pin status
Added Program::attach_iter for attaching of programs to an iterator
Added Map::delete_batch method for bulk deletion of elements
Added read/update/delete support for queue and stack Map types
Added a new MapHandle which provides most functionality previously found in Map
Removed support for creating Map objects standalone (i.e. maps not created by libbpf)
Removed various <object-type>::fd() methods in favor of <object-type>::as_fd()
Improved btf_type_match! macro, adding support for most of Rust's match capabilities
Added skel module exposing skeleton related traits
Fixed issue where instances of Map created or opened without going through Object would leak file descriptors
Fixed potential Uprobe attachment failures on optimized builds caused by improper libbpf_sys::bpf_object_open_opts object initialization
Adjusted various methods to work with BorrowedFd instead of raw file descriptors
Made RingBufferBuilder::add enforce that self cannot outlive the maps passed into it
Adjusted Error::System variant textual representation to include errno string

Added bindings for BTF via newly introduced btf module
Added Map constructors from pinned paths and from map id
Added Map::as_libbpf_bpf_map_ptr and Object::as_libbpf_bpf_object_ptr accessors
Added MapInfo type as a convenience wrapper around bpf_map_info
- Added Map::info to Map to make it easier to derive MapInfo from a Map instance
Added set_log_level, log_level, and autoload methods to OpenProgram
Removed deprecated Link::get_fd method
Bumped minimum Rust version to 1.63

Added support for USDT probes
Added BPF linker support with new Linker type
Added Program::attach_uprobe_with_opts for attaching Uprobes with additional options
Added tproxy example
Added option to RingBuffer::poll to block indefinitely
Added support for querying BPF program type using OpenProgram::prog_type
Added support for retrieving a BPF program's instructions using OpenProgram::insns & Program::insns
Added MapType::is_supported, ProgramType::is_supported, and ProgramType::is_helper_supported methods
Added PerfBuffer::as_libbpf_perf_buffer_ptr to access underlying libbpf-sys object
Adjusted various Map methods to work on shared receivers
Fixed Link::open constructor to be a static method
Fixed unsoundness in skeleton logic caused by aliased Box contents
Implemented Send for PerfBuffer and RingBuffer
Made more types implement Clone and Debug
Run leak sanitizer in CI
Updated various dependencies