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// SPDX-License-Identifier: GPL-2.0
#include <vmlinux.h>
#include <bpf/bpf_tracing.h>
#include "bpf_misc.h"
#include "../test_kmods/bpf_testmod.h"
#include "../test_kmods/bpf_testmod_kfunc.h"
char _license[] SEC("license") = "GPL";
#define MAP_A_MAGIC 1234
int test_err_a;
int recur;
/*
* test_1_a is reused. The kfunc should not be able to get the associated
* struct_ops and call test_1 recursively as it is ambiguous.
*/
SEC("struct_ops")
int BPF_PROG(test_1_a, struct st_ops_args *args)
{
int ret;
if (!recur) {
recur++;
ret = bpf_kfunc_multi_st_ops_test_1_assoc(args);
if (ret != -1)
test_err_a++;
recur--;
}
return MAP_A_MAGIC;
}
/* Programs associated with st_ops_map_a */
SEC("syscall")
int syscall_prog_a(void *ctx)
{
struct st_ops_args args = {};
int ret;
ret = bpf_kfunc_multi_st_ops_test_1_assoc(&args);
if (ret != MAP_A_MAGIC)
test_err_a++;
return 0;
}
SEC(".struct_ops.link")
struct bpf_testmod_multi_st_ops st_ops_map_a = {
.test_1 = (void *)test_1_a,
};
/* Programs associated with st_ops_map_b */
int test_err_b;
SEC("syscall")
int syscall_prog_b(void *ctx)
{
struct st_ops_args args = {};
int ret;
ret = bpf_kfunc_multi_st_ops_test_1_assoc(&args);
if (ret != MAP_A_MAGIC)
test_err_b++;
return 0;
}
SEC(".struct_ops.link")
struct bpf_testmod_multi_st_ops st_ops_map_b = {
.test_1 = (void *)test_1_a,
};
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