diff options
| author | Maciej Fijalkowski | 2022-06-29 16:34:57 +0200 |
|---|---|---|
| committer | Daniel Borkmann | 2022-06-30 22:49:10 +0200 |
| commit | 6d4c767c032b165cc290c51f4e82bc54b14b1cf1 (patch) | |
| tree | 502df54dd9c27f245b25c37e8ee6b025a517ad0d /tools | |
| parent | 61333008d01e18716a7050fdc9479cc8d6e63883 (diff) | |
selftests/xsk: Verify correctness of XDP prog attach point
To prevent the case we had previously where for TEST_MODE_SKB, XDP prog
was attached in native mode, call bpf_xdp_query() after loading prog and
make sure that attach_mode is as expected.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20220629143458.934337-4-maciej.fijalkowski@intel.com
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/xdpxceiver.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index c024aa91ea02..4c425a43e5b0 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -1085,6 +1085,7 @@ static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject) { u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size; int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE; + LIBBPF_OPTS(bpf_xdp_query_opts, opts); int ret, ifindex; void *bufs; u32 i; @@ -1134,6 +1135,22 @@ static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject) if (ret) exit_with_error(-ret); + ret = bpf_xdp_query(ifindex, ifobject->xdp_flags, &opts); + if (ret) + exit_with_error(-ret); + + if (ifobject->xdp_flags & XDP_FLAGS_SKB_MODE) { + if (opts.attach_mode != XDP_ATTACHED_SKB) { + ksft_print_msg("ERROR: [%s] XDP prog not in SKB mode\n"); + exit_with_error(-EINVAL); + } + } else if (ifobject->xdp_flags & XDP_FLAGS_DRV_MODE) { + if (opts.attach_mode != XDP_ATTACHED_DRV) { + ksft_print_msg("ERROR: [%s] XDP prog not in DRV mode\n"); + exit_with_error(-EINVAL); + } + } + ret = xsk_socket__update_xskmap(ifobject->xsk->xsk, ifobject->xsk_map_fd); if (ret) exit_with_error(-ret); |