Files
Linux_Drivers/linux_5.10/tools/testing/selftests/bpf/progs/loop4.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

19 lines
336 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
char _license[] SEC("license") = "GPL";
SEC("socket")
int combinations(volatile struct __sk_buff* skb)
{
int ret = 0, i;
#pragma nounroll
for (i = 0; i < 20; i++)
if (skb->len)
ret |= 1 << i;
return ret;
}