{
u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size;
int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE;
+ LIBBPF_OPTS(bpf_xdp_query_opts, opts);
int ret, ifindex;
void *bufs;
u32 i;
if (ret)
exit_with_error(-ret);
+ ret = bpf_xdp_query(ifindex, ifobject->xdp_flags, &opts);
+ if (ret)
+ exit_with_error(-ret);
+
+ if (ifobject->xdp_flags & XDP_FLAGS_SKB_MODE) {
+ if (opts.attach_mode != XDP_ATTACHED_SKB) {
+ ksft_print_msg("ERROR: [%s] XDP prog not in SKB mode\n");
+ exit_with_error(-EINVAL);
+ }
+ } else if (ifobject->xdp_flags & XDP_FLAGS_DRV_MODE) {
+ if (opts.attach_mode != XDP_ATTACHED_DRV) {
+ ksft_print_msg("ERROR: [%s] XDP prog not in DRV mode\n");
+ exit_with_error(-EINVAL);
+ }
+ }
+
ret = xsk_socket__update_xskmap(ifobject->xsk->xsk, ifobject->xsk_map_fd);
if (ret)
exit_with_error(-ret);