bsd/net/if_utun.c

66 								 int opt, void *data, size_t *len);
68 								 int opt, void *data, size_t len);
71 static errno_t	utun_output(ifnet_t interface, mbuf_t data);
72 static errno_t	utun_demux(ifnet_t interface, mbuf_t data, char *frame_header,
86 static errno_t	utun_ioctl(ifnet_t interface, u_long cmd, void *data);
466 	void					*data,
487 				pcb->utun_flags = *(u_int32_t *)data;
491 			result = utun_ctl_enable_crypto(kctlref, unit, unitinfo, opt, data, len);
495 			result = utun_ctl_config_crypto_keys(kctlref, unit, unitinfo, opt, data, len);
499 			result = utun_ctl_unconfig_crypto_keys(kctlref, unit, unitinfo, opt, data, len);
503 			result = utun_ctl_disable_crypto(kctlref, unit, unitinfo, opt, data, len);
507 			result = utun_ctl_stop_crypto_data_traffic(kctlref, unit, unitinfo, opt, data, len);
511 			result = utun_ctl_start_crypto_data_traffic(kctlref, unit, unitinfo, opt, data, len);
519 			pcb->utun_ext_ifdata_stats = (*(int *)data) ? 1 : 0;
524 			struct utun_stats_param *utsp = (struct utun_stats_param *)data;
557 	void					*data,
568 				*(u_int32_t *)data = pcb->utun_flags;
575 				*(int *)data = (pcb->utun_ext_ifdata_stats) ? 1 : 0;
579 			*len = snprintf(data, *len, "%s%d", ifnet_name(pcb->utun_ifp), ifnet_unit(pcb->utun_ifp)) + 1;
583 			result = utun_ctl_generate_crypto_keys_idx(kctlref, unit, unitinfo, opt, data, len);
598 			   mbuf_t	data)
603 	bpf_tap_out(pcb->utun_ifp, DLT_NULL, data, 0, 0);
606 		/* flush data */
607 		mbuf_freem(data);
615 		// only pass packets to utun-crypto if crypto is enabled and 'suspend data traffic' is not.
617 			if (utun_pkt_crypto_output(pcb, &data) == 0) {
622 		length = mbuf_pkthdr_len(data);
623 		result = ctl_enqueuembuf(pcb->utun_ctlref, pcb->utun_unit, data, CTL_DATA_EOR);
625 			mbuf_freem(data);
636 		mbuf_freem(data);
645 	mbuf_t				data,
650 	while (data != NULL && mbuf_len(data) < 1) {
651 		data = mbuf_next(data);
654 	if (data == NULL)
657 	*protocol = ntohl(*(u_int32_t *)mbuf_data(data));
725 	void		*data)
731 			ifnet_set_mtu(interface, ((struct ifreq*)data)->ifr_mtu);
822 		/* flush data */