On Wed, 28 May 2025 at 20:02, Eduard Zingerman <eddyz87@xxxxxxxxx> wrote: > > Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx> writes: > > > Introduce a libbpf API so that users can read data from a given BPF > > stream for a BPF prog fd. For now, only the low-level syscall wrapper > > is provided, we can add a bpf_program__* accessor as a follow up if > > needed. > > > > Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx> > > --- > > Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx> > > [...] > > > +int bpf_prog_stream_read(int prog_fd, __u32 stream_id, void *stream_buf, __u32 stream_buf_len) > > Note: many of such utility functions have _opts parameter for future > extensibility. Imo in this case it would hinder usability a bit. > If need be bpf_prog_stream_read_opts can be added later. > We may have more arguments in the future (like count of errors, as Alan requested), so it may be a good idea to add the opts variant directly now. > [...]
