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1// SPDX-License-Identifier: GPL-2.02// Copyright (c) 2020 Facebook3#include <linux/bpf.h>4#include <bpf/bpf_helpers.h>5 6int calls = 0;7int alt_calls = 0;8 9SEC("cgroup_skb/egress")10int egress(struct __sk_buff *skb)11{12 __sync_fetch_and_add(&calls, 1);13 return 1;14}15 16SEC("cgroup_skb/egress")17int egress_alt(struct __sk_buff *skb)18{19 __sync_fetch_and_add(&alt_calls, 1);20 return 1;21}22 23char _license[] SEC("license") = "GPL";24 25