diff options
| author | Toke Høiland-Jørgensen <toke@redhat.com> | 2025-01-27 14:13:43 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-01-29 19:04:23 -0800 |
| commit | f7bf624b1fedf232195804ac0f6584cb3e4b86bc (patch) | |
| tree | 9b4ad08b2e7399685bdb3bc8c51df8e38e617ecf /tools | |
| parent | 3595599fa8360bb3c7afa7ee50c810b4a64106ea (diff) | |
selftests/net: Add test for loading devbound XDP program in generic mode
Add a test to bpf_offload.py for loading a devbound XDP program in
generic mode, checking that it fails correctly.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250127131344.238147-2-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/net/bpf_offload.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/bpf_offload.py b/tools/testing/selftests/net/bpf_offload.py index d10f420e4ef6..fd0d959914e4 100755 --- a/tools/testing/selftests/net/bpf_offload.py +++ b/tools/testing/selftests/net/bpf_offload.py @@ -215,12 +215,14 @@ def bpftool_map_list_wait(expected=0, n_retry=20, ns=""): raise Exception("Time out waiting for map counts to stabilize want %d, have %d" % (expected, nmaps)) def bpftool_prog_load(sample, file_name, maps=[], prog_type="xdp", dev=None, - fail=True, include_stderr=False): + fail=True, include_stderr=False, dev_bind=None): args = "prog load %s %s" % (os.path.join(bpf_test_dir, sample), file_name) if prog_type is not None: args += " type " + prog_type if dev is not None: args += " dev " + dev + elif dev_bind is not None: + args += " xdpmeta_dev " + dev_bind if len(maps): args += " map " + " map ".join(maps) @@ -980,6 +982,16 @@ try: rm("/sys/fs/bpf/offload") sim.wait_for_flush() + bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/devbound", + dev_bind=sim['ifname']) + devbound = bpf_pinned("/sys/fs/bpf/devbound") + start_test("Test dev-bound program in generic mode...") + ret, _, err = sim.set_xdp(devbound, "generic", fail=False, include_stderr=True) + fail(ret == 0, "devbound program in generic mode allowed") + check_extack(err, "Can't attach device-bound programs in generic mode.", args) + rm("/sys/fs/bpf/devbound") + sim.wait_for_flush() + start_test("Test XDP load failure...") sim.dfs["dev/bpf_bind_verifier_accept"] = 0 ret, _, err = bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload", |