260 	struct pcap_bpf *pb = p->priv;  in pcap_getnonblock_bpf()  local
262 	if (pb->zerocopy)  in pcap_getnonblock_bpf()
263 		return (pb->nonblock);  in pcap_getnonblock_bpf()
272 	struct pcap_bpf *pb = p->priv;  in pcap_setnonblock_bpf()  local
274 	if (pb->zerocopy) {  in pcap_setnonblock_bpf()
275 		pb->nonblock = nonblock;  in pcap_setnonblock_bpf()
295 	struct pcap_bpf *pb = p->priv;  in pcap_next_zbuf_shm()  local
298 	if (pb->zbuffer == pb->zbuf2 || pb->zbuffer == NULL) {  in pcap_next_zbuf_shm()
299 		bzh = (struct bpf_zbuf_header *)pb->zbuf1;  in pcap_next_zbuf_shm()
302 			pb->bzh = bzh;  in pcap_next_zbuf_shm()
303 			pb->zbuffer = (u_char *)pb->zbuf1;  in pcap_next_zbuf_shm()
304 			p->buffer = pb->zbuffer + sizeof(*bzh);  in pcap_next_zbuf_shm()
308 	} else if (pb->zbuffer == pb->zbuf1) {  in pcap_next_zbuf_shm()
309 		bzh = (struct bpf_zbuf_header *)pb->zbuf2;  in pcap_next_zbuf_shm()
312 			pb->bzh = bzh;  in pcap_next_zbuf_shm()
313 			pb->zbuffer = (u_char *)pb->zbuf2;  in pcap_next_zbuf_shm()
314 			p->buffer = pb->zbuffer + sizeof(*bzh);  in pcap_next_zbuf_shm()
333 	struct pcap_bpf *pb = p->priv;  in pcap_next_zbuf()  local
360 	if (pb->interrupted && p->opt.timeout) {  in pcap_next_zbuf()
361 		expire = TSTOMILLI(&pb->firstsel) + p->opt.timeout;  in pcap_next_zbuf()
365 			pb->interrupted = 0;  in pcap_next_zbuf()
382 	if (!pb->nonblock) {  in pcap_next_zbuf()
392 			if (!pb->interrupted && p->opt.timeout) {  in pcap_next_zbuf()
393 				pb->interrupted = 1;  in pcap_next_zbuf()
394 				pb->firstsel = cur;  in pcap_next_zbuf()
403 	pb->interrupted = 0;  in pcap_next_zbuf()
431 	struct pcap_bpf *pb = p->priv;  in pcap_ack_zbuf()  local
433 	atomic_store_rel_int(&pb->bzh->bzh_user_gen,  in pcap_ack_zbuf()
434 	    pb->bzh->bzh_kernel_gen);  in pcap_ack_zbuf()
435 	pb->bzh = NULL;  in pcap_ack_zbuf()
1180 	struct pcap_bpf *pb = p->priv;  in pcap_read_bpf()  local
1216 		if (pb->zerocopy) {  in pcap_read_bpf()
1374 		if (pb->filtering_in_kernel ||  in pcap_read_bpf()
1661 	struct pcap_bpf *pb = p->priv;  in pcap_cleanup_bpf()  local
1668 	if (pb->must_do_on_close != 0) {  in pcap_cleanup_bpf()
1674 		if (pb->must_do_on_close & MUST_CLEAR_RFMON) {  in pcap_cleanup_bpf()
1691 				pcapint_strlcpy(req.ifm_name, pb->device,  in pcap_cleanup_bpf()
1706 						    pb->device,  in pcap_cleanup_bpf()
1728 		if (pb->must_do_on_close & MUST_DESTROY_USBUS) {  in pcap_cleanup_bpf()
1729 			if (if_nametoindex(pb->device) > 0) {  in pcap_cleanup_bpf()
1734 					pcapint_strlcpy(ifr.ifr_name, pb->device,  in pcap_cleanup_bpf()
1747 		pb->must_do_on_close = 0;  in pcap_cleanup_bpf()
1751 	if (pb->zerocopy) {  in pcap_cleanup_bpf()
1759 		if (pb->zbuf1 != MAP_FAILED && pb->zbuf1 != NULL)  in pcap_cleanup_bpf()
1760 			(void) munmap(pb->zbuf1, pb->zbufsize);  in pcap_cleanup_bpf()
1761 		if (pb->zbuf2 != MAP_FAILED && pb->zbuf2 != NULL)  in pcap_cleanup_bpf()
1762 			(void) munmap(pb->zbuf2, pb->zbufsize);  in pcap_cleanup_bpf()
1766 	if (pb->device != NULL) {  in pcap_cleanup_bpf()
1767 		free(pb->device);  in pcap_cleanup_bpf()
1768 		pb->device = NULL;  in pcap_cleanup_bpf()
1884 	struct pcap_bpf *pb = p->priv;  local
1947 	pb->device = strdup(p->opt.device);
1948 	if (pb->device == NULL) {
2110 			pb->must_do_on_close |= MUST_DESTROY_USBUS;
2131 		pb->zerocopy = 1;
2162 		pb->zbufsize = roundup(v, getpagesize());
2163 		if (pb->zbufsize > zbufmax)
2164 			pb->zbufsize = zbufmax;
2165 		pb->zbuf1 = mmap(NULL, pb->zbufsize, PROT_READ | PROT_WRITE,
2167 		pb->zbuf2 = mmap(NULL, pb->zbufsize, PROT_READ | PROT_WRITE,
2169 		if (pb->zbuf1 == MAP_FAILED || pb->zbuf2 == MAP_FAILED) {
2176 		bz.bz_bufa = pb->zbuf1;
2177 		bz.bz_bufb = pb->zbuf2;
2178 		bz.bz_buflen = pb->zbufsize;
2200 		v = pb->zbufsize - sizeof(struct bpf_zbuf_header);
2559 	if (p->opt.timeout && !pb->zerocopy) {
2679 	if (!pb->zerocopy) {
3108 	struct pcap_bpf *pb = p->priv;  local
3248 			pb->must_do_on_close |= MUST_CLEAR_RFMON;
3437 	struct pcap_bpf *pb = p->priv;  local
3451 		pb->filtering_in_kernel = 1;	/* filtering in the kernel */
3491 	pb->filtering_in_kernel = 0;	/* filtering in userland */