// SPDX-License-Identifier: GPL-2.0 #include <linux/bpf.h> #include <bpf/bpf_helpers.h> struct { __uint(type, BPF_MAP_TYPE_DEVMAP); __uint(key_size, sizeof(__u32)); __uint(value_size, sizeof(struct bpf_devmap_val)); __uint(max_entries, 4); } dm_ports SEC(".maps"); /* valid program on DEVMAP entry via SEC name; * has access to egress and ingress ifindex */ SEC("xdp/devmap") int xdp_dummy_dm(struct xdp_md *ctx) { return XDP_PASS; } SEC("xdp.frags/devmap") int xdp_dummy_dm_frags(struct xdp_md *ctx) { return XDP_PASS; } char _license[] SEC("license") = "GPL";