Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
38 lines
700 B
C
38 lines
700 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2020 Facebook */
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_endian.h>
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#define IN16 0x1234
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#define IN32 0x12345678U
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#define IN64 0x123456789abcdef0ULL
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__u16 in16 = 0;
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__u32 in32 = 0;
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__u64 in64 = 0;
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__u16 out16 = 0;
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__u32 out32 = 0;
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__u64 out64 = 0;
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__u16 const16 = 0;
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__u32 const32 = 0;
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__u64 const64 = 0;
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SEC("raw_tp/sys_enter")
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int sys_enter(const void *ctx)
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{
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out16 = __builtin_bswap16(in16);
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out32 = __builtin_bswap32(in32);
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out64 = __builtin_bswap64(in64);
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const16 = ___bpf_swab16(IN16);
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const32 = ___bpf_swab32(IN32);
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const64 = ___bpf_swab64(IN64);
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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