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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/test_endian.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.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/test_endian.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_endian.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_endian.c b/tools/testing/selftests/bpf/progs/test_endian.c new file mode 100644 index 000000000..ddb687c5d --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_endian.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2020 Facebook */ + +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> + +#define IN16 0x1234 +#define IN32 0x12345678U +#define IN64 0x123456789abcdef0ULL + +__u16 in16 = 0; +__u32 in32 = 0; +__u64 in64 = 0; + +__u16 out16 = 0; +__u32 out32 = 0; +__u64 out64 = 0; + +__u16 const16 = 0; +__u32 const32 = 0; +__u64 const64 = 0; + +SEC("raw_tp/sys_enter") +int sys_enter(const void *ctx) +{ + out16 = __builtin_bswap16(in16); + out32 = __builtin_bswap32(in32); + out64 = __builtin_bswap64(in64); + const16 = ___bpf_swab16(IN16); + const32 = ___bpf_swab32(IN32); + const64 = ___bpf_swab64(IN64); + + return 0; +} + +char _license[] SEC("license") = "GPL"; |