733 	if (d->bd_bif != NULL)  in bpf_attachd()
748 	d->bd_bif = bp;  in bpf_attachd()
862 	if ((bp = d->bd_bif) == NULL)  in bpf_detachd_locked()
871 	d->bd_bif = NULL;  in bpf_detachd_locked()
1059 		if (d->bd_bif == NULL) {  in bpfread()
1198 	if ((bp = d->bd_bif) == NULL) {  in bpfwrite()
1239 	if (d->bd_bif == NULL) {  in bpfwrite()
1518 		if (d->bd_bif == NULL) {  in bpfioctl()
1524 			error = ifpromisc(d->bd_bif->bif_ifp, 1);  in bpfioctl()
1536 		if (d->bd_bif == NULL)  in bpfioctl()
1539 			*(u_int *)addr = d->bd_bif->bif_dlt;  in bpfioctl()
1556 			if (d->bd_bif == NULL)  in bpfioctl()
1570 		if (d->bd_bif == NULL)  in bpfioctl()
1582 		if (d->bd_bif == NULL)  in bpfioctl()
1594 		if (d->bd_bif == NULL)  in bpfioctl()
1597 			struct ifnet *const ifp = d->bd_bif->bif_ifp;  in bpfioctl()
1901 		    d->bd_fbuf != NULL || d->bd_bif != NULL) {  in bpfioctl()
2053 			if (d->bd_bif != NULL) {  in bpf_setf()
2059 				CK_LIST_INSERT_HEAD(&d->bd_bif->bif_dlist,  in bpf_setf()
2075 		    d->bd_bif->bif_ifp, d->bd_bif->bif_dlt, 1);  in bpf_setf()
2123 	if (bp != d->bd_bif)  in bpf_setif()
2145 	if (devfs_get_cdevpriv((void **)&d) != 0 || d->bd_bif == NULL)  in bpfpoll()
2248 	if (d->bd_bif == NULL) {  in filt_bpfwrite()
2252 		kn->kn_data = d->bd_bif->bif_ifp->if_mtu;  in filt_bpfwrite()
2513 	hdrlen = d->bd_bif->bif_hdrlen;  in bpf_hdrlen()
2533 	return (hdrlen - d->bd_bif->bif_hdrlen);  in bpf_hdrlen()
2593 	if (d->bd_bif == NULL) {  in catchpacket()
2938 	ifp = d->bd_bif->bif_ifp;  in bpf_getdltlist()
2975 	MPASS(d->bd_bif != NULL);  in bpf_setdlt()
2981 	if (d->bd_bif->bif_dlt == dlt)  in bpf_setdlt()
2984 	ifp = d->bd_bif->bif_ifp;  in bpf_setdlt()
3070 	    bd->bd_bif->bif_ifp->if_xname, IFNAMSIZ);  in bpfstats_fill_xbpf()