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libbpf: Adjust SEC short cut for expected attach type BPF_XDP_DEVMAP 

Adjust the SEC("xdp_devmap/") prog type prefix to contain a
slash "/" for expected attach type BPF_XDP_DEVMAP.  This is consistent
with other prog types like tracing.

Fixes: 2778797037 ("libbpf: Add SEC name for xdp programs attached to device map")
Suggested-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/159309521882.821855.6873145686353617509.stgit@firesoul
This commit is contained in:
Jesper Dangaard Brouer 2020-06-25 16:26:58 +02:00 committed by Daniel Borkmann
parent a9b59159d3
commit 7a64135f32
2 changed files with 2 additions and 2 deletions
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2
tools/lib/bpf/libbpf.c
View File

@ -6659,7 +6659,7 @@ static const struct bpf_sec_def section_defs[] = {
.expected_attach_type = BPF_TRACE_ITER,
.is_attach_btf = true,
.attach_fn = attach_iter),
BPF_EAPROG_SEC("xdp_devmap", BPF_PROG_TYPE_XDP,
BPF_EAPROG_SEC("xdp_devmap/", BPF_PROG_TYPE_XDP,
BPF_XDP_DEVMAP),
BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP),
BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT),

2
tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
View File

@ -27,7 +27,7 @@ int xdp_dummy_prog(struct xdp_md *ctx)
/* valid program on DEVMAP entry via SEC name;
* has access to egress and ingress ifindex
*/
SEC("xdp_devmap")
SEC("xdp_devmap/map_prog")
int xdp_dummy_dm(struct xdp_md *ctx)
{
char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";