7dd880592a
In a set of prior changes, we added the ability for struct_ops programs to be sleepable. This patch enhances the dummy_st_ops selftest suite to validate this behavior by adding a new sleepable struct_ops entry to dummy_st_ops. Signed-off-by: David Vernet <void@manifault.com> Link: https://lore.kernel.org/r/20230125164735.785732-5-void@manifault.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
47 lines
971 B
C
47 lines
971 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
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#include "vmlinux.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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SEC("struct_ops/test_1")
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int BPF_PROG(test_1, struct bpf_dummy_ops_state *state)
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{
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int ret;
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if (!state)
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return 0xf2f3f4f5;
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ret = state->val;
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state->val = 0x5a;
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return ret;
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}
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__u64 test_2_args[5];
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SEC("struct_ops/test_2")
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int BPF_PROG(test_2, struct bpf_dummy_ops_state *state, int a1, unsigned short a2,
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char a3, unsigned long a4)
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{
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test_2_args[0] = (unsigned long)state;
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test_2_args[1] = a1;
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test_2_args[2] = a2;
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test_2_args[3] = a3;
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test_2_args[4] = a4;
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return 0;
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}
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SEC("struct_ops.s/test_sleepable")
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int BPF_PROG(test_sleepable, struct bpf_dummy_ops_state *state)
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{
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return 0;
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}
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SEC(".struct_ops")
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struct bpf_dummy_ops dummy_1 = {
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.test_1 = (void *)test_1,
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.test_2 = (void *)test_2,
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.test_sleepable = (void *)test_sleepable,
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};
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