1563 bpf_setup(struct bpf_d *d_to, uuid_t uuid_from, ifnet_t ifp)  in bpf_setup()  argument
1581 	if (d_from->bd_opened_by != d_to->bd_opened_by) {  in bpf_setup()
1592 	while (d_to->bd_hbuf_read != 0) {  in bpf_setup()
1593 		msleep((caddr_t)d_to, bpf_mlock, PRINET, __func__, NULL);  in bpf_setup()
1595 	d_to->bd_hbuf_read = 1;  in bpf_setup()
1605 	if (d_to->bd_flags & BPF_CLOSING) {  in bpf_setup()
1623 	if (d_from->bd_bufsize != d_to->bd_bufsize) {  in bpf_setup()
1634 	d_to->bd_flags = d_from->bd_flags & (BPF_EXTENDED_HDR | BPF_WANT_PKTAP |  in bpf_setup()
1638 	d_to->bd_headdrop = d_from->bd_headdrop;  in bpf_setup()
1643 	error = bpf_allocbufs(d_to);  in bpf_setup()
1651 	ASSERT(d_to->bd_hbuf == NULL);  in bpf_setup()
1652 	ASSERT(d_to->bd_sbuf != NULL);  in bpf_setup()
1653 	ASSERT(d_to->bd_fbuf != NULL);  in bpf_setup()
1658 	memcpy(d_to->bd_sbuf, d_from->bd_sbuf, d_from->bd_slen);  in bpf_setup()
1659 	d_to->bd_slen = d_from->bd_slen;  in bpf_setup()
1660 	d_to->bd_scnt = d_from->bd_scnt;  in bpf_setup()
1663 		d_to->bd_hbuf = d_to->bd_fbuf;  in bpf_setup()
1664 		d_to->bd_fbuf = NULL;  in bpf_setup()
1665 		memcpy(d_to->bd_hbuf, d_from->bd_hbuf, d_from->bd_hlen);  in bpf_setup()
1667 	d_to->bd_hlen = d_from->bd_hlen;  in bpf_setup()
1668 	d_to->bd_hcnt = d_from->bd_hcnt;  in bpf_setup()
1670 	if (d_to->bd_flags & BPF_COMP_REQ) {  in bpf_setup()
1671 		ASSERT(d_to->bd_prev_sbuf != NULL);  in bpf_setup()
1672 		ASSERT(d_to->bd_prev_fbuf != NULL);  in bpf_setup()
1674 		d_to->bd_prev_slen = d_from->bd_prev_slen;  in bpf_setup()
1675 		ASSERT(d_to->bd_prev_slen <= BPF_HDR_COMP_LEN_MAX);  in bpf_setup()
1676 		memcpy(d_to->bd_prev_sbuf, d_from->bd_prev_sbuf, BPF_HDR_COMP_LEN_MAX);  in bpf_setup()
1679 	d_to->bd_bcs = d_from->bd_bcs;  in bpf_setup()
1687 	error = bpf_setif(d_to, ifp, false, true, true);  in bpf_setup()
1698 	d_to->bd_hbuf_read = 0;  in bpf_setup()
1699 	wakeup((caddr_t)d_to);  in bpf_setup()