| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <linux/bpf.h> |
| #include "bpf_kern.h" |
| |
| |
| ELF_SEC(BPF_CGROUP_INGRESS_PROG_NAME) |
| int bpf_cgroup_ingress(struct __sk_buff* skb) { |
| return bpf_traffic_account(skb, BPF_INGRESS); |
| } |
| |
| ELF_SEC(BPF_CGROUP_EGRESS_PROG_NAME) |
| int bpf_cgroup_egress(struct __sk_buff* skb) { |
| return bpf_traffic_account(skb, BPF_EGRESS); |
| } |
| |
| ELF_SEC(XT_BPF_EGRESS_PROG_NAME) |
| int xt_bpf_egress_prog(struct __sk_buff* skb) { |
| uint32_t key = skb->ifindex; |
| bpf_update_stats(skb, IFACE_STATS_MAP, BPF_EGRESS, &key); |
| return BPF_PASS; |
| } |
| |
| ELF_SEC(XT_BPF_INGRESS_PROG_NAME) |
| int xt_bpf_ingress_prog(struct __sk_buff* skb) { |
| uint32_t key = skb->ifindex; |
| bpf_update_stats(skb, IFACE_STATS_MAP, BPF_INGRESS, &key); |
| return BPF_PASS; |
| } |