| // SPDX-License-Identifier: GPL-2.0 | |
| /* Copyright (c) 2025 Meta */ | |
| #include <vmlinux.h> | |
| #include <bpf/bpf_helpers.h> | |
| char _license[] SEC("license") = "GPL"; | |
| int err; | |
| struct { | |
| __uint(type, BPF_MAP_TYPE_RINGBUF); | |
| __uint(max_entries, 4096); | |
| } ringbuf SEC(".maps"); | |
| struct { | |
| __uint(type, BPF_MAP_TYPE_ARRAY); | |
| __uint(max_entries, 1); | |
| __type(key, __u32); | |
| __type(value, __u32); | |
| } array_map SEC(".maps"); | |
| SEC("cgroup_skb/egress") | |
| int program(struct __sk_buff *skb) | |
| { | |
| err = 0; | |
| return 0; | |
| } |