// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2020 Google LLC.
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*/
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#include <errno.h>
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#include <linux/bpf.h>
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#include <linux/ip.h>
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#include <linux/udp.h>
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#include <bpf/bpf_helpers.h>
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#include "progs/cg_storage_multi.h"
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struct {
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__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
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__type(key, struct bpf_cgroup_storage_key);
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__type(value, struct cgroup_value);
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} cgroup_storage SEC(".maps");
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__u32 invocations = 0;
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SEC("cgroup_skb/egress")
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int egress(struct __sk_buff *skb)
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{
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struct cgroup_value *ptr_cg_storage =
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bpf_get_local_storage(&cgroup_storage, 0);
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__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
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__sync_fetch_and_add(&invocations, 1);
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return 1;
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}
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