On Mon, Jan 16, 2023 at 6:38 AM Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > > On Sat, Jan 14, 2023 at 11:16 PM Daniel T. Lee <danieltimlee@xxxxxxxxx> wrote: > > > > Currently, there are many programs under samples/bpf to test the > > various functionality of BPF that have been developed for a long time. > > However, the kernel (BPF) has changed a lot compared to the 2016 when > > some of these test programs were first introduced. > > > > Therefore, some of these programs use the deprecated function of BPF, > > and some programs no longer work normally due to changes in the API. > > > > To list some of the kernel changes that this patch set is focusing on, > > - legacy BPF map declaration syntax support had been dropped [1] > > - bpf_trace_printk() always append newline at the end [2] > > - deprecated styled BPF section header (bpf_load style) [3] > > - urandom_read tracepoint is removed (used for testing overhead) [4] > > - ping sends packet with SOCK_DGRAM instead of SOCK_RAW [5]* > > - use "vmlinux.h" instead of including individual headers > > > > In addition to this, this patchset tries to modernize the existing > > testing scripts a bit. And for network-related testing programs, > > a separate header file was created and applied. (To use the > > Endianness conversion function from xdp_sample and bunch of constants) > > Nice set of cleanups. Applied. > As a follow up could you convert some of them to proper selftests/bpf ? > Unfortunately samples/bpf will keep bit rotting despite your herculean efforts. I really appreciate for your compliment! I'll try to convert the existing sample to selftest in the next patch. -- Best, Daniel T. Lee