kernel/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c, branch linux-6.2.y

selftests/bpf: Add a test for using a cpumap from an freplace-to-XDP program

2022-12-15T05:30:40Z

This adds a simple test for inserting an XDP program into a cpumap that is "owned" by an XDP program that was loaded as PROG_TYPE_EXT (as libxdp does). Prior to the kernel fix this would fail because the map type ownership would be set to PROG_TYPE_EXT instead of being resolved to PROG_TYPE_XDP. v5: - Fix a few nits from Andrii, add his ACK v4: - Use skeletons for selftest v3: - Update comment to better explain the cause - Add Yonghong's ACK Acked-by: Yonghong Song Acked-by: Andrii Nakryiko Signed-off-by: Toke Høiland-Jørgensen Link: https://lore.kernel.org/r/20221214230254.790066-2-toke@redhat.com Signed-off-by: Martin KaFai Lau

selftests/bpf: Store BPF object files with .bpf.o extension

2022-09-02T13:55:37Z

BPF object files are, in a way, the final artifact produced as part of the ahead-of-time compilation process. That makes them somewhat special compared to "regular" object files, which are a intermediate build artifacts that can typically be removed safely. As such, it can make sense to name them differently to make it easier to spot this difference at a glance. Among others, libbpf-bootstrap [0] has established the extension .bpf.o for BPF object files. It seems reasonable to follow this example and establish the same denomination for selftest build artifacts. To that end, this change adjusts the corresponding part of the build system and the test programs loading BPF object files to work with .bpf.o files. [0] https://github.com/libbpf/libbpf-bootstrap Suggested-by: Andrii Nakryiko Signed-off-by: Daniel Müller Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20220901222253.1199242-1-deso@posteo.net

selftests/bpf: Excercise bpf_obj_get_info_by_fd for bpf2bpf

2022-08-08T13:53:39Z

Apparently, no existing selftest covers it. Add a new one where we load cgroup/bind4 program and attach fentry to it. Calling bpf_obj_get_info_by_fd on the fentry program should return non-zero btf_id/btf_obj_id instead of crashing the kernel. Signed-off-by: Stanislav Fomichev Signed-off-by: Daniel Borkmann Acked-by: Martin KaFai Lau Link: https://lore.kernel.org/bpf/20220804201140.1340684-2-sdf@google.com

selftests/bpf: Add selftest for calling global functions from freplace

2022-06-07T17:41:20Z

Add a selftest that calls a global function with a context object parameter from an freplace function to check that the program context type is correctly converted to the freplace target when fetching the context type from the kernel BTF. v2: - Trim includes - Get rid of global function - Use __noinline Signed-off-by: Toke Høiland-Jørgensen Link: https://lore.kernel.org/r/20220606075253.28422-2-toke@redhat.com Signed-off-by: Alexei Starovoitov

selftests/bpf: Migrate from bpf_prog_test_run

2022-02-03T06:31:18Z

bpf_prog_test_run is being deprecated in favor of the OPTS-based bpf_prog_test_run_opts. We end up unable to use CHECK in most cases, so replace usages with ASSERT_* calls. Signed-off-by: Delyan Kratunov Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20220202235423.1097270-2-delyank@fb.com

selftests/bpf: use preferred setter/getter APIs instead of deprecated ones

2022-01-26T01:59:07Z

Switch to using preferred setters and getters instead of deprecated ones. Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/r/20220124194254.2051434-6-andrii@kernel.org Signed-off-by: Alexei Starovoitov

selftests/bpf: Stop using bpf_object__find_program_by_title API.

2021-12-14T22:38:05Z

bpf_object__find_program_by_title is going to be deprecated. Replace all use cases in tools/testing/selftests/bpf with bpf_object__find_program_by_name or bpf_object__for_each_program. Signed-off-by: Kui-Feng Lee Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20211214035931.1148209-2-kuifeng@fb.com

selftests/bpf: Use explicit bpf_prog_test_load() calls everywhere

2021-11-07T16:34:23Z

-Dbpf_prog_load_deprecated=bpf_prog_test_load trick is both ugly and breaks when deprecation goes into effect due to macro magic. Convert all the uses to explicit bpf_prog_test_load() calls which avoid deprecation errors and makes everything less magical. Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Acked-by: Dave Marchevsky Link: https://lore.kernel.org/bpf/20211103220845.2676888-12-andrii@kernel.org

selfetest/bpf: Make some tests serial

2021-10-08T22:17:00Z

Change tests that often fails in parallel execution mode to serial. Signed-off-by: Yucong Sun Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20211006185619.364369-15-fallentree@fb.com

selftests/bpf: Switch to new bpf_object__next_{map,program} APIs

2021-10-06T19:34:02Z

Replace deprecated bpf_{map,program}__next APIs with newly added bpf_object__next_{map,program} APIs, so that no compilation warnings emit. Signed-off-by: Hengqi Chen Signed-off-by: Andrii Nakryiko Acked-by: Song Liu Link: https://lore.kernel.org/bpf/20211003165844.4054931-3-hengqi.chen@gmail.com