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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/progs/sample_map_ret0.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/sample_map_ret0.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/sample_map_ret0.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/sample_map_ret0.c b/tools/testing/selftests/bpf/progs/sample_map_ret0.c new file mode 100644 index 000000000..1612a3200 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/sample_map_ret0.c @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */ +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +struct bpf_map_def SEC("maps") htab = { + .type = BPF_MAP_TYPE_HASH, + .key_size = sizeof(__u32), + .value_size = sizeof(long), + .max_entries = 2, +}; + +struct bpf_map_def SEC("maps") array = { + .type = BPF_MAP_TYPE_ARRAY, + .key_size = sizeof(__u32), + .value_size = sizeof(long), + .max_entries = 2, +}; + +/* Sample program which should always load for testing control paths. */ +SEC(".text") int func() +{ + __u64 key64 = 0; + __u32 key = 0; + long *value; + + value = bpf_map_lookup_elem(&htab, &key); + if (!value) + return 1; + value = bpf_map_lookup_elem(&array, &key64); + if (!value) + return 1; + + return 0; +} |