On Mon, Dec 3, 2018 at 8:01 PM Stanislav Fomichev <s...@google.com> wrote: > > This patch series adds support for testing flow dissector BPF programs by > extending already existing BPF_PROG_TEST_RUN. The goal is to have a > packet as an input and `struct bpf_flow_key' as an output. That way > we can easily test flow dissector programs' behavior. > I've also modified existing test_progs.c test to do a simple flow > dissector run as well. > > * first patch introduces new __skb_flow_bpf_dissect to simplify > sharing between __skb_flow_bpf_dissect and BPF_PROG_TEST_RUN > * second patch adds actual BPF_PROG_TEST_RUN support > * third patch converts BPF flow dissector to thoff > * forth patch correctly caps nhoff and thoff returned from bpf flow > dissector > * fifth patch adds example usage to the selftests > > v2 changes: > > * new patch to use thoff instead of nhoff in bpf flow dissector > * new patch to correctly cap thoff for BPF case > * add missing memset(flow_keys, 0, ...) to __skb_flow_bpf_dissect > * set test iterations to 10 > > Stanislav Fomichev (5): > net/flow_dissector: move bpf case into __skb_flow_bpf_dissect > bpf: add BPF_PROG_TEST_RUN support for flow dissector > selftests/bpf: use thoff instead of nhoff in BPF flow dissector > net/flow_dissector: correctly cap nhoff and thoff in case of BPF > selftests/bpf: add simple BPF_PROG_TEST_RUN examples for flow > dissector > > include/linux/bpf.h | 3 + > include/linux/skbuff.h | 5 ++ > net/bpf/test_run.c | 71 ++++++++++++++- > net/core/filter.c | 1 + > net/core/flow_dissector.c | 88 ++++++++++++------- > tools/testing/selftests/bpf/Makefile | 3 + > tools/testing/selftests/bpf/bpf_flow.c | 36 ++++---- > .../selftests/bpf/flow_dissector_load.c | 43 ++------- > .../selftests/bpf/flow_dissector_load.h | 55 ++++++++++++ > tools/testing/selftests/bpf/test_progs.c | 78 +++++++++++++++- > 10 files changed, 289 insertions(+), 94 deletions(-) > create mode 100644 tools/testing/selftests/bpf/flow_dissector_load.h > > -- > 2.20.0.rc1.387.gf8505762e3-goog >
For the series: Acked-by: Song Liu <songliubrav...@fb.com>
