// 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,
};