370 	struct ifnet *ifp = d->bd_bif->bif_ifp;  in bpf_movein()
371 	int linktype = (int)d->bd_bif->bif_dlt;  in bpf_movein()
717 	d->bd_bif = bp;  in bpf_attachd()
793 	ifp = d->bd_bif->bif_ifp;  in bpf_detachd()
794 	bp = d->bd_bif;  in bpf_detachd()
830 	d->bd_bif = NULL;  in bpf_detachd()
1173 	if (d->bd_bif) {  in bpfclose()
1338 		if (d->bd_bif == NULL) {  in bpfread()
1632 	if (d->bd_bif == NULL) {  in bpfwrite()
1637 	ifp = d->bd_bif->bif_ifp;  in bpfwrite()
1662 	bif_dlt = (int)d->bd_bif->bif_dlt;  in bpfwrite()
1685 	if (d->bd_bif == NULL || d->bd_bif->bif_ifp != ifp) {  in bpfwrite()
1690 	bif_send = d->bd_bif->bif_send;  in bpfwrite()
2093 		if (d->bd_bif == 0) {  in bpfioctl()
2096 			ifp = d->bd_bif->bif_ifp;  in bpfioctl()
2117 		if (d->bd_bif != 0 || (d->bd_flags & BPF_DETACHING)) {  in bpfioctl()
2191 		if (d->bd_bif == 0) {  in bpfioctl()
2200 			error = ifnet_set_promiscuous(d->bd_bif->bif_ifp, 1);  in bpfioctl()
2212 		if (d->bd_bif == 0) {  in bpfioctl()
2215 			_CASSERT(sizeof(d->bd_bif->bif_dlt) == sizeof(u_int));  in bpfioctl()
2216 			bcopy(&d->bd_bif->bif_dlt, addr, sizeof(u_int));  in bpfioctl()
2225 		if (d->bd_bif == NULL) {  in bpfioctl()
2236 		if (d->bd_bif == NULL) {  in bpfioctl()
2255 		if (d->bd_bif == 0) {  in bpfioctl()
2258 			struct ifnet *const ifp = d->bd_bif->bif_ifp;  in bpfioctl()
2623 		if (d->bd_bif != 0 || (d->bd_flags & BPF_DETACHING)) {  in bpfioctl()
2720 		if (d->bd_bif == NULL) {  in bpfioctl()
2734 			if_clear_xflags(d->bd_bif->bif_ifp, IFXF_DISABLE_INPUT);  in bpfioctl()
2737 			    (d->bd_bif->bif_ifp->if_xflags & IFXF_DISABLE_INPUT) != 0) {  in bpfioctl()
2742 			if_set_xflags(d->bd_bif->bif_ifp, IFXF_DISABLE_INPUT);  in bpfioctl()
2868 		if (bp != d->bd_bif) {  in bpf_setif()
2869 			if (d->bd_bif != NULL) {  in bpf_setif()
2909 	ifp = d->bd_bif->bif_ifp;  in bpf_getdltlist()
2952 	if (d->bd_bif->bif_dlt == dlt) {  in bpf_setdlt()
2964 	ifp = d->bd_bif->bif_ifp;  in bpf_setdlt()
3055 	if (d->bd_bif == NULL) {  in bpfselect()
3195 	    d->bd_bif == NULL) {  in bpfkqfilter()
4035 	hdrlen = (d->bd_flags & BPF_EXTENDED_HDR) ? d->bd_bif->bif_exthdrlen :  in catchpacket()
4036 	    (d->bd_flags & BPF_COMP_REQ) ? d->bd_bif->bif_comphdrlen:  in catchpacket()
4037 	    d->bd_bif->bif_hdrlen;  in catchpacket()
4634 	if (bd->bd_bif != NULL && bd->bd_bif->bif_ifp != NULL) {  in bpfstats_fill_xbpf()
4636 		    bd->bd_bif->bif_ifp->if_xname, IFNAMSIZ);  in bpfstats_fill_xbpf()