517 	d->bd_bif = bp;  in bpf_attachd()
590 	ifp = d->bd_bif->bif_ifp;  in bpf_detachd()
591 	bp = d->bd_bif;  in bpf_detachd()
624 	d->bd_bif = NULL;  in bpf_detachd()
948 	if (d->bd_bif) {  in bpfclose()
1113 		if (d->bd_bif == NULL) {  in bpfread()
1396 	if (d->bd_bif == 0) {  in bpfwrite()
1403 	ifp = d->bd_bif->bif_ifp;  in bpfwrite()
1422 	bif_dlt = (int)d->bd_bif->bif_dlt;  in bpfwrite()
1450 	if (d->bd_bif == NULL) {  in bpfwrite()
1474 		if (d->bd_bif->bif_send) {  in bpfwrite()
1475 			error = d->bd_bif->bif_send(ifp, d->bd_bif->bif_dlt, m);  in bpfwrite()
1842 		if (d->bd_bif == 0) {  in bpfioctl()
1845 			ifp = d->bd_bif->bif_ifp;  in bpfioctl()
1864 		if (d->bd_bif != 0 || (d->bd_flags & BPF_DETACHING)) {  in bpfioctl()
1938 		if (d->bd_bif == 0) {  in bpfioctl()
1947 			error = ifnet_set_promiscuous(d->bd_bif->bif_ifp, 1);  in bpfioctl()
1959 		if (d->bd_bif == 0) {  in bpfioctl()
1962 			bcopy(&d->bd_bif->bif_dlt, addr, sizeof(u_int));  in bpfioctl()
1970 		if (d->bd_bif == NULL) {  in bpfioctl()
1981 		if (d->bd_bif == NULL) {  in bpfioctl()
2000 		if (d->bd_bif == 0) {  in bpfioctl()
2003 			struct ifnet *const ifp = d->bd_bif->bif_ifp;  in bpfioctl()
2302 		if (d->bd_bif != 0 || (d->bd_flags & BPF_DETACHING)) {  in bpfioctl()
2453 		if (bp != d->bd_bif) {  in bpf_setif()
2454 			if (d->bd_bif != NULL) {  in bpf_setif()
2494 	ifp = d->bd_bif->bif_ifp;  in bpf_getdltlist()
2537 	if (d->bd_bif->bif_dlt == dlt) {  in bpf_setdlt()
2549 	ifp = d->bd_bif->bif_ifp;  in bpf_setdlt()
2640 	if (d->bd_bif == NULL) {  in bpfselect()
2780 	    d->bd_bif == NULL) {  in bpfkqfilter()
3611 	hdrlen = (d->bd_flags & BPF_EXTENDED_HDR) ? d->bd_bif->bif_exthdrlen :  in catchpacket()
3612 	    (d->bd_flags & BPF_COMP_REQ) ? d->bd_bif->bif_comphdrlen:  in catchpacket()
3613 	    d->bd_bif->bif_hdrlen;  in catchpacket()
4195 	if (bd->bd_bif != NULL && bd->bd_bif->bif_ifp != NULL) {  in bpfstats_fill_xbpf()
4197 		    bd->bd_bif->bif_ifp->if_xname, IFNAMSIZ);  in bpfstats_fill_xbpf()