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A test kfunc named bpf_kfunc_multi_st_ops_test_1_impl() is a user of __prog suffix. Subsequent patch removes __prog support in favor of KF_IMPLICIT_ARGS, so migrate this kfunc to use implicit argument. Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev> Link: https://lore.kernel.org/r/20260120222638.3976562-12-ihor.solodrai@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org>
76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <vmlinux.h>
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#include <bpf/bpf_tracing.h>
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#include "bpf_misc.h"
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#include "../test_kmods/bpf_testmod.h"
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#include "../test_kmods/bpf_testmod_kfunc.h"
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char _license[] SEC("license") = "GPL";
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#define MAP_A_MAGIC 1234
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int test_err_a;
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int recur;
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/*
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* test_1_a is reused. The kfunc should not be able to get the associated
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* struct_ops and call test_1 recursively as it is ambiguous.
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*/
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SEC("struct_ops")
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int BPF_PROG(test_1_a, struct st_ops_args *args)
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{
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int ret;
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if (!recur) {
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recur++;
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ret = bpf_kfunc_multi_st_ops_test_1_assoc(args);
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if (ret != -1)
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test_err_a++;
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recur--;
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}
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return MAP_A_MAGIC;
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}
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/* Programs associated with st_ops_map_a */
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SEC("syscall")
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int syscall_prog_a(void *ctx)
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{
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struct st_ops_args args = {};
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int ret;
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ret = bpf_kfunc_multi_st_ops_test_1_assoc(&args);
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if (ret != MAP_A_MAGIC)
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test_err_a++;
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return 0;
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}
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SEC(".struct_ops.link")
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struct bpf_testmod_multi_st_ops st_ops_map_a = {
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.test_1 = (void *)test_1_a,
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};
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/* Programs associated with st_ops_map_b */
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int test_err_b;
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SEC("syscall")
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int syscall_prog_b(void *ctx)
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{
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struct st_ops_args args = {};
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int ret;
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ret = bpf_kfunc_multi_st_ops_test_1_assoc(&args);
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if (ret != MAP_A_MAGIC)
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test_err_b++;
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return 0;
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}
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SEC(".struct_ops.link")
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struct bpf_testmod_multi_st_ops st_ops_map_b = {
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.test_1 = (void *)test_1_a,
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};
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