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>
35 lines
677 B
C
35 lines
677 B
C
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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struct {
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__uint(type, BPF_MAP_TYPE_HASH);
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__type(key, __u32);
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__type(value, long);
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__uint(max_entries, 2);
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} htab SEC(".maps");
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struct {
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__uint(type, BPF_MAP_TYPE_ARRAY);
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__type(key, __u32);
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__type(value, long);
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__uint(max_entries, 2);
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} array SEC(".maps");
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/* Sample program which should always load for testing control paths. */
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SEC("xdp") int func()
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{
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__u64 key64 = 0;
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__u32 key = 0;
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long *value;
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value = bpf_map_lookup_elem(&htab, &key);
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if (!value)
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return 1;
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value = bpf_map_lookup_elem(&array, &key64);
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if (!value)
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return 1;
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return 0;
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}
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