240 	struct pcap_bpf *pb = p->priv;  in pcap_getnonblock_bpf()  local
242 	if (pb->zerocopy)  in pcap_getnonblock_bpf()
243 		return (pb->nonblock);  in pcap_getnonblock_bpf()
252 	struct pcap_bpf *pb = p->priv;  in pcap_setnonblock_bpf()  local
254 	if (pb->zerocopy) {  in pcap_setnonblock_bpf()
255 		pb->nonblock = nonblock;  in pcap_setnonblock_bpf()
275 	struct pcap_bpf *pb = p->priv;  in pcap_next_zbuf_shm()  local
278 	if (pb->zbuffer == pb->zbuf2 || pb->zbuffer == NULL) {  in pcap_next_zbuf_shm()
279 		bzh = (struct bpf_zbuf_header *)pb->zbuf1;  in pcap_next_zbuf_shm()
282 			pb->bzh = bzh;  in pcap_next_zbuf_shm()
283 			pb->zbuffer = (u_char *)pb->zbuf1;  in pcap_next_zbuf_shm()
284 			p->buffer = pb->zbuffer + sizeof(*bzh);  in pcap_next_zbuf_shm()
288 	} else if (pb->zbuffer == pb->zbuf1) {  in pcap_next_zbuf_shm()
289 		bzh = (struct bpf_zbuf_header *)pb->zbuf2;  in pcap_next_zbuf_shm()
292 			pb->bzh = bzh;  in pcap_next_zbuf_shm()
293 			pb->zbuffer = (u_char *)pb->zbuf2;  in pcap_next_zbuf_shm()
294   			p->buffer = pb->zbuffer + sizeof(*bzh);  in pcap_next_zbuf_shm()
313 	struct pcap_bpf *pb = p->priv;  in pcap_next_zbuf()  local
340 	if (pb->interrupted && p->opt.timeout) {  in pcap_next_zbuf()
341 		expire = TSTOMILLI(&pb->firstsel) + p->opt.timeout;  in pcap_next_zbuf()
345 			pb->interrupted = 0;  in pcap_next_zbuf()
362 	if (!pb->nonblock) {  in pcap_next_zbuf()
372 			if (!pb->interrupted && p->opt.timeout) {  in pcap_next_zbuf()
373 				pb->interrupted = 1;  in pcap_next_zbuf()
374 				pb->firstsel = cur;  in pcap_next_zbuf()
383 	pb->interrupted = 0;  in pcap_next_zbuf()
411 	struct pcap_bpf *pb = p->priv;  in pcap_ack_zbuf()  local
413 	atomic_store_rel_int(&pb->bzh->bzh_user_gen,  in pcap_ack_zbuf()
414 	    pb->bzh->bzh_kernel_gen);  in pcap_ack_zbuf()
415 	pb->bzh = NULL;  in pcap_ack_zbuf()
822 	struct pcap_bpf *pb = p->priv;  in pcap_read_bpf()  local
858 		if (pb->zerocopy) {  in pcap_read_bpf()
1006 		if (pb->filtering_in_kernel ||  in pcap_read_bpf()
1273 	struct pcap_bpf *pb = p->priv;  in pcap_cleanup_bpf()  local
1280 	if (pb->must_do_on_close != 0) {  in pcap_cleanup_bpf()
1286 		if (pb->must_do_on_close & MUST_CLEAR_RFMON) {  in pcap_cleanup_bpf()
1303 				strncpy(req.ifm_name, pb->device,  in pcap_cleanup_bpf()
1318 						    pb->device,  in pcap_cleanup_bpf()
1341 		pb->must_do_on_close = 0;  in pcap_cleanup_bpf()
1345 	if (pb->zerocopy) {  in pcap_cleanup_bpf()
1353 		if (pb->zbuf1 != MAP_FAILED && pb->zbuf1 != NULL)  in pcap_cleanup_bpf()
1354 			(void) munmap(pb->zbuf1, pb->zbufsize);  in pcap_cleanup_bpf()
1355 		if (pb->zbuf2 != MAP_FAILED && pb->zbuf2 != NULL)  in pcap_cleanup_bpf()
1356 			(void) munmap(pb->zbuf2, pb->zbufsize);  in pcap_cleanup_bpf()
1360 	if (pb->device != NULL) {  in pcap_cleanup_bpf()
1361 		free(pb->device);  in pcap_cleanup_bpf()
1362 		pb->device = NULL;  in pcap_cleanup_bpf()
1477 	struct pcap_bpf *pb = p->priv;  local
1583 	pb->device = strdup(p->opt.source);
1584 	if (pb->device == NULL) {
1692 		pb->zerocopy = 1;
1723 		pb->zbufsize = roundup(v, getpagesize());
1724 		if (pb->zbufsize > zbufmax)
1725 			pb->zbufsize = zbufmax;
1726 		pb->zbuf1 = mmap(NULL, pb->zbufsize, PROT_READ | PROT_WRITE,
1728 		pb->zbuf2 = mmap(NULL, pb->zbufsize, PROT_READ | PROT_WRITE,
1730 		if (pb->zbuf1 == MAP_FAILED || pb->zbuf2 == MAP_FAILED) {
1737 		bz.bz_bufa = pb->zbuf1;
1738 		bz.bz_bufb = pb->zbuf2;
1739 		bz.bz_buflen = pb->zbufsize;
1753 		v = pb->zbufsize - sizeof(struct bpf_zbuf_header);
2094 	if (p->opt.timeout && !pb->zerocopy) {
2204 	if (!pb->zerocopy) {
2319 	struct pcap_bpf *pb = p->priv;  local
2457 			pb->must_do_on_close |= MUST_CLEAR_RFMON;
2634 	struct pcap_bpf *pb = p->priv;  local
2648 		pb->filtering_in_kernel = 1;	/* filtering in the kernel */
2688 	pb->filtering_in_kernel = 0;	/* filtering in userland */