tools/libpf: Add offsetof/container_of macro in bpf_helpers.h
authorYonghong Song <yhs@fb.com>
Sat, 9 May 2020 17:59:19 +0000 (10:59 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Sun, 10 May 2020 00:05:27 +0000 (17:05 -0700)
commit5fbc220862fc7a53a0455ccd2d96c82141e222d4
treea163830ff0f8a707eb45743aa95b3947857e0d1f
parentc09add2fbc5aece00a5b54a48ce39fd4e3284d87
tools/libpf: Add offsetof/container_of macro in bpf_helpers.h

These two helpers will be used later in bpf_iter bpf program
bpf_iter_netlink.c. Put them in bpf_helpers.h since they could
be useful in other cases.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200509175919.2477104-1-yhs@fb.com
tools/lib/bpf/bpf_helpers.h