PFLOG_HDRLEN
hlen = PFLOG_HDRLEN;
bpf_mtap2(V_bpf_pflog, data, PFLOG_HDRLEN, m);
PFLOG_HDRLEN, &bpf_ipfw_methods, NULL);
V_bpf_pflog = bpf_attach("ipfwlog0", DLT_PFLOG, PFLOG_HDRLEN,
tap->bpf = bpf_attach(tap->name, DLT_EN10MB, PFLOG_HDRLEN,
ifp->if_hdrlen = PFLOG_HDRLEN;
bpfattach(ifp, DLT_PFLOG, PFLOG_HDRLEN);
bpf_mtap2(ifn->if_bpf, &hdr, PFLOG_HDRLEN, pd->m);