10c5e118cSLorenzo Bianconi // SPDX-License-Identifier: GPL-2.0 20c5e118cSLorenzo Bianconi #include <linux/bpf.h> 30c5e118cSLorenzo Bianconi #include <bpf/bpf_helpers.h> 40c5e118cSLorenzo Bianconi 50c5e118cSLorenzo Bianconi struct { 60c5e118cSLorenzo Bianconi __uint(type, BPF_MAP_TYPE_DEVMAP); 70c5e118cSLorenzo Bianconi __uint(key_size, sizeof(__u32)); 80c5e118cSLorenzo Bianconi __uint(value_size, sizeof(struct bpf_devmap_val)); 90c5e118cSLorenzo Bianconi __uint(max_entries, 4); 100c5e118cSLorenzo Bianconi } dm_ports SEC(".maps"); 110c5e118cSLorenzo Bianconi 120c5e118cSLorenzo Bianconi /* valid program on DEVMAP entry via SEC name; 130c5e118cSLorenzo Bianconi * has access to egress and ingress ifindex 140c5e118cSLorenzo Bianconi */ 15*439f0336SLorenzo Bianconi SEC("xdp/devmap") xdp_dummy_dm(struct xdp_md * ctx)160c5e118cSLorenzo Bianconiint xdp_dummy_dm(struct xdp_md *ctx) 170c5e118cSLorenzo Bianconi { 180c5e118cSLorenzo Bianconi return XDP_PASS; 190c5e118cSLorenzo Bianconi } 200c5e118cSLorenzo Bianconi 210c5e118cSLorenzo Bianconi SEC("xdp.frags/devmap") xdp_dummy_dm_frags(struct xdp_md * ctx)220c5e118cSLorenzo Bianconiint xdp_dummy_dm_frags(struct xdp_md *ctx) 230c5e118cSLorenzo Bianconi { 240c5e118cSLorenzo Bianconi return XDP_PASS; 250c5e118cSLorenzo Bianconi } 260c5e118cSLorenzo Bianconi 270c5e118cSLorenzo Bianconi char _license[] SEC("license") = "GPL"; 28