Releases · libbpf/libbpf-rs

What's Changed

libbpf-rs

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

libbpf-cargo

Switched over to using libbpf-rs's BTF support internally for skeleton generation

Fixed potential build failures on systems defaulting to stack protector usage by passing -fno-stack-protector to clang

What's Changed

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