bpf_mtap
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN);
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_IN);
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_IN);
if (bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_IN) != 0) {
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_IN);