// SPDX-License-Identifier: GPL-2.0 | |
/* Copyright (c) 2019 Facebook */ | |
#include <linux/bpf.h> | |
#include <bpf/bpf_helpers.h> | |
#include "bpf_trace_helpers.h" | |
struct sk_buff { | |
unsigned int len; | |
}; | |
__u64 test_result = 0; | |
SEC("fexit/test_pkt_md_access") | |
int BPF_PROG(test_main2, struct sk_buff *skb, int ret) | |
{ | |
int len; | |
__builtin_preserve_access_index(({ | |
len = skb->len; | |
})); | |
if (len != 74 || ret != 0) | |
return 0; | |
test_result = 1; | |
return 0; | |
} | |
char _license[] SEC("license") = "GPL"; |