bsd/net/kpi_interface.c

112 ifnet_allocate(const struct ifnet_init_params *init, ifnet_t *interface)
141 	return (ifnet_allocate_extended(&einit, interface));
146     ifnet_t *interface)
297 			*interface = ifp;
302 			*interface = NULL;
310 	 * function. If the interface is attached, the interface will be
311 	 * recycled when the interface's if_free function is called. If the
312 	 * interface is never attached, the if_free function will never be
313 	 * called and the interface will never be recycled.
343 ifnet_softc(ifnet_t interface)
345 	return ((interface == NULL) ? NULL : interface->if_softc);
349 ifnet_name(ifnet_t interface)
351 	return ((interface == NULL) ? NULL : interface->if_name);
355 ifnet_family(ifnet_t interface)
357 	return ((interface == NULL) ? 0 : interface->if_family);
361 ifnet_unit(ifnet_t interface)
363 	return ((interface == NULL) ? (u_int32_t)0xffffffff :
364 	    (u_int32_t)interface->if_unit);
368 ifnet_index(ifnet_t interface)
370 	return ((interface == NULL) ? (u_int32_t)0xffffffff :
371 	    interface->if_index);
375 ifnet_set_flags(ifnet_t interface, u_int16_t new_flags, u_int16_t mask)
379 	if (interface == NULL)
382 	ifnet_lock_exclusive(interface);
386 		if_updown(interface, (new_flags & IFF_UP) == IFF_UP);
389 	old_flags = interface->if_flags;
390 	interface->if_flags = (new_flags & mask) | (interface->if_flags & ~mask);
393 	    (interface->if_flags & IFF_MULTICAST)) {
395 		if (IGMP_IFINFO(interface) != NULL)
396 			igmp_initsilent(interface, IGMP_IFINFO(interface));
399 		if (MLD_IFINFO(interface) != NULL)
400 			mld6_initsilent(interface, MLD_IFINFO(interface));
404 	ifnet_lock_done(interface);
410 ifnet_flags(ifnet_t interface)
412 	return ((interface == NULL) ? 0 : interface->if_flags);
421  * If IFEF_AWDL has been set on the interface and the caller attempts
455 ifnet_set_eflags(ifnet_t interface, u_int32_t new_flags, u_int32_t mask)
457 	if (interface == NULL)
460 	ifnet_lock_exclusive(interface);
464 	if (ifnet_awdl_check_eflags(interface, &new_flags, &mask) != 0) {
465 		ifnet_lock_done(interface);
468 	interface->if_eflags =
469 	    (new_flags & mask) | (interface->if_eflags & ~mask);
470 	ifnet_lock_done(interface);
476 ifnet_eflags(ifnet_t interface)
478 	return ((interface == NULL) ? 0 : interface->if_eflags);
691 ifnet_set_offload(ifnet_t interface, ifnet_offload_t offload)
695 	if (interface == NULL)
698 	ifnet_lock_exclusive(interface);
699 	interface->if_hwassist = (offload & offload_mask);
700 	ifnet_lock_done(interface);
713 		(void) ifnet_set_capabilities_supported(interface, ifcaps,
715 		(void) ifnet_set_capabilities_enabled(interface, ifcaps,
723 ifnet_offload(ifnet_t interface)
725 	return ((interface == NULL) ?
726 	    0 : (interface->if_hwassist & offload_mask));
730 ifnet_set_tso_mtu(ifnet_t interface, sa_family_t family, u_int32_t mtuLen)
734 	if (interface == NULL || mtuLen < interface->if_mtu)
739 		if (interface->if_hwassist & IFNET_TSO_IPV4)
740 			interface->if_tso_v4_mtu = mtuLen;
746 		if (interface->if_hwassist & IFNET_TSO_IPV6)
747 			interface->if_tso_v6_mtu = mtuLen;
761 ifnet_get_tso_mtu(ifnet_t interface, sa_family_t family, u_int32_t *mtuLen)
765 	if (interface == NULL || mtuLen == NULL)
770 		if (interface->if_hwassist & IFNET_TSO_IPV4)
771 			*mtuLen = interface->if_tso_v4_mtu;
777 		if (interface->if_hwassist & IFNET_TSO_IPV6)
778 			*mtuLen = interface->if_tso_v6_mtu;
792 ifnet_set_wake_flags(ifnet_t interface, u_int32_t properties, u_int32_t mask)
800 	if (interface == NULL)
807 	ifnet_lock_exclusive(interface);
809 	interface->if_wake_properties =
810 	    (properties & mask) | (interface->if_wake_properties & ~mask);
812 	ifnet_lock_done(interface);
814 	(void) ifnet_touch_lastchange(interface);
822 	strlcpy(&ev_data.if_name[0], interface->if_name, IFNAMSIZ);
823 	ev_data.if_family	= interface->if_family;
824 	ev_data.if_unit		= (u_int32_t)interface->if_unit;
834 ifnet_get_wake_flags(ifnet_t interface)
836 	return ((interface == NULL) ? 0 : interface->if_wake_properties);
843 ifnet_set_link_mib_data(ifnet_t interface, void *mibData, u_int32_t mibLen)
845 	if (interface == NULL)
848 	ifnet_lock_exclusive(interface);
849 	interface->if_linkmib = (void*)mibData;
850 	interface->if_linkmiblen = mibLen;
851 	ifnet_lock_done(interface);
856 ifnet_get_link_mib_data(ifnet_t interface, void *mibData, u_int32_t *mibLen)
860 	if (interface == NULL)
863 	ifnet_lock_shared(interface);
864 	if (*mibLen < interface->if_linkmiblen)
866 	if (result == 0 && interface->if_linkmib == NULL)
870 		*mibLen = interface->if_linkmiblen;
871 		bcopy(interface->if_linkmib, mibData, *mibLen);
873 	ifnet_lock_done(interface);
879 ifnet_get_link_mib_data_length(ifnet_t interface)
881 	return ((interface == NULL) ? 0 : interface->if_linkmiblen);
885 ifnet_output(ifnet_t interface, protocol_family_t protocol_family,
888 	if (interface == NULL || protocol_family == 0 || m == NULL) {
893 	return (dlil_output(interface, protocol_family, m, route, dest, 0, NULL));
897 ifnet_output_raw(ifnet_t interface, protocol_family_t protocol_family, mbuf_t m)
899 	if (interface == NULL || m == NULL) {
904 	return (dlil_output(interface, protocol_family, m, NULL, NULL, 1, NULL));
908 ifnet_set_mtu(ifnet_t interface, u_int32_t mtu)
910 	if (interface == NULL)
913 	interface->if_mtu = mtu;
918 ifnet_mtu(ifnet_t interface)
920 	return ((interface == NULL) ? 0 : interface->if_mtu);
924 ifnet_type(ifnet_t interface)
926 	return ((interface == NULL) ? 0 : interface->if_data.ifi_type);
930 ifnet_set_addrlen(ifnet_t interface, u_char addrlen)
932 	if (interface == NULL)
935 	interface->if_data.ifi_addrlen = addrlen;
940 ifnet_addrlen(ifnet_t interface)
942 	return ((interface == NULL) ? 0 : interface->if_data.ifi_addrlen);
946 ifnet_set_hdrlen(ifnet_t interface, u_char hdrlen)
948 	if (interface == NULL)
951 	interface->if_data.ifi_hdrlen = hdrlen;
956 ifnet_hdrlen(ifnet_t interface)
958 	return ((interface == NULL) ? 0 : interface->if_data.ifi_hdrlen);
962 ifnet_set_metric(ifnet_t interface, u_int32_t metric)
964 	if (interface == NULL)
967 	interface->if_data.ifi_metric = metric;
972 ifnet_metric(ifnet_t interface)
974 	return ((interface == NULL) ? 0 : interface->if_data.ifi_metric);
1236 ifnet_touch_lastchange(ifnet_t interface)
1238 	if (interface == NULL)
1241 	TOUCHLASTCHANGE(&interface->if_lastchange);
1247 ifnet_lastchange(ifnet_t interface, struct timeval *last_change)
1249 	if (interface == NULL)
1252 	*last_change = interface->if_data.ifi_lastchange;
1261 ifnet_get_address_list(ifnet_t interface, ifaddr_t **addresses)
1264 	    ifnet_get_address_list_family(interface, addresses, 0));
1273 ifnet_get_address_list_family(ifnet_t interface, ifaddr_t **addresses,
1276 	return (ifnet_get_address_list_family_internal(interface, addresses,
1281 ifnet_get_address_list_family_internal(ifnet_t interface, ifaddr_t **addresses,
1303 		ifp = interface;
1313 		if (interface != NULL && ifp != interface)
1317 		if (interface == NULL || interface == ifp) {
1390 ifnet_lladdr(ifnet_t interface)
1395 	if (interface == NULL)
1400 	 * the interface; it never gets deallocated.
1402 	ifa = interface->if_lladdr;
1411 ifnet_llbroadcast_copy_bytes(ifnet_t interface, void *addr, size_t buffer_len,
1414 	if (interface == NULL || addr == NULL || out_len == NULL)
1417 	*out_len = interface->if_broadcast.length;
1419 	if (buffer_len < interface->if_broadcast.length)
1422 	if (interface->if_broadcast.length == 0)
1425 	if (interface->if_broadcast.length <=
1426 	    sizeof (interface->if_broadcast.u.buffer)) {
1427 		bcopy(interface->if_broadcast.u.buffer, addr,
1428 		    interface->if_broadcast.length);
1430 		bcopy(interface->if_broadcast.u.ptr, addr,
1431 		    interface->if_broadcast.length);
1438 ifnet_lladdr_copy_bytes(ifnet_t interface, void *lladdr, size_t	lladdr_len)
1443 	if (interface == NULL || lladdr == NULL)
1448 	 * the interface; it never gets deallocated.
1450 	ifa = interface->if_lladdr;
1465 ifnet_set_lladdr_internal(ifnet_t interface, const void *lladdr,
1471 	if (interface == NULL)
1475 	ifnet_lock_exclusive(interface);
1477 	    (lladdr_len != interface->if_addrlen || lladdr == 0)) {
1478 		ifnet_lock_done(interface);
1482 	ifa = ifnet_addrs[interface->if_index - 1];
1491 			bzero(LLADDR(sdl), interface->if_addrlen);
1502 	ifnet_lock_done(interface);
1507 		dlil_post_msg(interface, KEV_DL_SUBCLASS,
1515 ifnet_set_lladdr(ifnet_t interface, const void* lladdr, size_t lladdr_len)
1517 	return (ifnet_set_lladdr_internal(interface, lladdr, lladdr_len, 0, 0));
1521 ifnet_set_lladdr_and_type(ifnet_t interface, const void* lladdr,
1524 	return (ifnet_set_lladdr_internal(interface, lladdr,
1529 ifnet_add_multicast(ifnet_t interface, const struct sockaddr *maddr,
1532 	if (interface == NULL || maddr == NULL)
1539 	return (if_addmulti_anon(interface, maddr, ifmap));
1996 ifaddr_findbestforaddr(const struct sockaddr *addr, ifnet_t interface)
1998 	if (addr == NULL || interface == NULL)
2001 	return (ifaof_ifpforaddr(addr, interface));
2072 /* interface cloner                                                           */