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