1863acccdf
Check that bpf_map__set_autocreate() can be used to disable automatic creation for struct_ops maps. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240306104529.6453-8-eddyz87@gmail.com
43 lines
697 B
C
43 lines
697 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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char _license[] SEC("license") = "GPL";
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int test_1_result = 0;
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SEC("struct_ops/test_1")
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int BPF_PROG(test_1)
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{
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test_1_result = 42;
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return 0;
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}
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SEC("struct_ops/test_1")
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int BPF_PROG(test_2)
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{
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return 0;
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}
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struct bpf_testmod_ops___v1 {
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int (*test_1)(void);
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};
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struct bpf_testmod_ops___v2 {
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int (*test_1)(void);
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int (*does_not_exist)(void);
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};
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SEC(".struct_ops.link")
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struct bpf_testmod_ops___v1 testmod_1 = {
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.test_1 = (void *)test_1
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};
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SEC(".struct_ops.link")
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struct bpf_testmod_ops___v2 testmod_2 = {
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.test_1 = (void *)test_1,
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.does_not_exist = (void *)test_2
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};
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