kfunc_module_order.c

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/bpf.h>
 3#include <bpf/bpf_helpers.h>
 4
 5extern int bpf_test_modorder_retx(void) __ksym;
 6extern int bpf_test_modorder_rety(void) __ksym;
 7
 8SEC("classifier")
 9int call_kfunc_xy(struct __sk_buff *skb)
10{
11	int ret1, ret2;
12
13	ret1 = bpf_test_modorder_retx();
14	ret2 = bpf_test_modorder_rety();
15
16	return ret1 == 'x' && ret2 == 'y' ? 0 : -1;
17}
18
19SEC("classifier")
20int call_kfunc_yx(struct __sk_buff *skb)
21{
22	int ret1, ret2;
23
24	ret1 = bpf_test_modorder_rety();
25	ret2 = bpf_test_modorder_retx();
26
27	return ret1 == 'y' && ret2 == 'x' ? 0 : -1;
28}
29
30char _license[] SEC("license") = "GPL";