1792 bpf_setup(struct bpf_d *d_to, uuid_t uuid_from, ifnet_t ifp)  in bpf_setup()  argument
1810 	if (d_from->bd_opened_by != d_to->bd_opened_by) {  in bpf_setup()
1821 	while (d_to->bd_hbuf_read || d_to->bd_hbuf_write) {  in bpf_setup()
1822 		msleep((caddr_t)d_to, bpf_mlock, PRINET, __func__, NULL);  in bpf_setup()
1824 	d_to->bd_hbuf_read = true;  in bpf_setup()
1825 	d_to->bd_hbuf_write = true;  in bpf_setup()
1836 	if (d_to->bd_flags & BPF_CLOSING) {  in bpf_setup()
1854 	if (d_from->bd_bufsize != d_to->bd_bufsize) {  in bpf_setup()
1865 	d_to->bd_flags = d_from->bd_flags & (BPF_EXTENDED_HDR | BPF_WANT_PKTAP |  in bpf_setup()
1869 	d_to->bd_headdrop = d_from->bd_headdrop;  in bpf_setup()
1874 	error = bpf_allocbufs(d_to);  in bpf_setup()
1882 	ASSERT(d_to->bd_hbuf == NULL);  in bpf_setup()
1883 	ASSERT(d_to->bd_sbuf != NULL);  in bpf_setup()
1884 	ASSERT(d_to->bd_fbuf != NULL);  in bpf_setup()
1889 	memcpy(d_to->bd_sbuf, d_from->bd_sbuf, d_from->bd_slen);  in bpf_setup()
1890 	d_to->bd_slen = d_from->bd_slen;  in bpf_setup()
1891 	d_to->bd_scnt = d_from->bd_scnt;  in bpf_setup()
1894 		d_to->bd_hbuf = d_to->bd_fbuf;  in bpf_setup()
1895 		d_to->bd_fbuf = NULL;  in bpf_setup()
1896 		memcpy(d_to->bd_hbuf, d_from->bd_hbuf, d_from->bd_hlen);  in bpf_setup()
1898 	d_to->bd_hlen = d_from->bd_hlen;  in bpf_setup()
1899 	d_to->bd_hcnt = d_from->bd_hcnt;  in bpf_setup()
1901 	if (d_to->bd_flags & BPF_COMP_REQ) {  in bpf_setup()
1902 		ASSERT(d_to->bd_prev_sbuf != NULL);  in bpf_setup()
1903 		ASSERT(d_to->bd_prev_fbuf != NULL);  in bpf_setup()
1905 		d_to->bd_prev_slen = d_from->bd_prev_slen;  in bpf_setup()
1906 		ASSERT(d_to->bd_prev_slen <= BPF_HDR_COMP_LEN_MAX);  in bpf_setup()
1907 		memcpy(d_to->bd_prev_sbuf, d_from->bd_prev_sbuf, BPF_HDR_COMP_LEN_MAX);  in bpf_setup()
1910 	d_to->bd_bcs = d_from->bd_bcs;  in bpf_setup()
1918 	error = bpf_setif(d_to, ifp, false, true, true);  in bpf_setup()
1930 	d_to->bd_hbuf_read = false;  in bpf_setup()
1931 	d_to->bd_hbuf_write = false;  in bpf_setup()
1932 	wakeup((caddr_t)d_to);  in bpf_setup()