XSK_UMEM__DEFAULT_FRAME_HEADROOM 290 samples/bpf/xdpsock_user.c .frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM, XSK_UMEM__DEFAULT_FRAME_HEADROOM 115 tools/lib/bpf/xsk.c cfg->frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM;