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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
#include <linux/bpf.h>
#include <time.h>
#include <errno.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
#include "bpf_tcp_helpers.h"
char _license[] SEC("license") = "GPL";
struct elem {
struct bpf_timer t;
};
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 1);
__type(key, int);
__type(value, struct elem);
} timer_map SEC(".maps");
static int timer_cb_ret1(void *map, int *key, struct bpf_timer *timer)
{
if (bpf_get_smp_processor_id() % 2)
return 1;
else
return 0;
}
SEC("fentry/bpf_fentry_test1")
__failure __msg("should have been in (0x0; 0x0)")
int BPF_PROG2(test_ret_1, int, a)
{
int key = 0;
struct bpf_timer *timer;
timer = bpf_map_lookup_elem(&timer_map, &key);
if (timer) {
bpf_timer_init(timer, &timer_map, CLOCK_BOOTTIME);
bpf_timer_set_callback(timer, timer_cb_ret1);
bpf_timer_start(timer, 1000, 0);
}
return 0;
}
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