1 /* 2 * vmnet-host.c 3 * 4 * Copyright(c) 2022 Vladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com> 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 * 9 */ 10 11 #include "qemu/osdep.h" 12 #include "qemu/uuid.h" 13 #include "qapi/qapi-types-net.h" 14 #include "qapi/error.h" 15 #include "clients.h" 16 #include "vmnet_int.h" 17 18 #include <vmnet/vmnet.h> 19 20 21 static bool validate_options(const Netdev *netdev, Error **errp) 22 { 23 const NetdevVmnetHostOptions *options = &(netdev->u.vmnet_host); 24 25 #if defined(MAC_OS_VERSION_11_0) && \ 26 MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 27 28 QemuUUID net_uuid; 29 if (options->net_uuid && 30 qemu_uuid_parse(options->net_uuid, &net_uuid) < 0) { 31 error_setg(errp, "Invalid UUID provided in 'net-uuid'"); 32 return false; 33 } 34 #else 35 if (options->has_isolated) { 36 error_setg(errp, 37 "vmnet-host.isolated feature is " 38 "unavailable: outdated vmnet.framework API"); 39 return false; 40 } 41 42 if (options->net_uuid) { 43 error_setg(errp, 44 "vmnet-host.net-uuid feature is " 45 "unavailable: outdated vmnet.framework API"); 46 return false; 47 } 48 #endif 49 50 if ((options->start_address || 51 options->end_address || 52 options->subnet_mask) && 53 !(options->start_address && 54 options->end_address && 55 options->subnet_mask)) { 56 error_setg(errp, 57 "'start-address', 'end-address', 'subnet-mask' " 58 "should be provided together"); 59 return false; 60 } 61 62 return true; 63 } 64 65 static xpc_object_t build_if_desc(const Netdev *netdev) 66 { 67 const NetdevVmnetHostOptions *options = &(netdev->u.vmnet_host); 68 xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0); 69 70 xpc_dictionary_set_uint64(if_desc, 71 vmnet_operation_mode_key, 72 VMNET_HOST_MODE); 73 74 #if defined(MAC_OS_VERSION_11_0) && \ 75 MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 76 77 xpc_dictionary_set_bool(if_desc, 78 vmnet_enable_isolation_key, 79 options->isolated); 80 81 QemuUUID net_uuid; 82 if (options->net_uuid) { 83 qemu_uuid_parse(options->net_uuid, &net_uuid); 84 xpc_dictionary_set_uuid(if_desc, 85 vmnet_network_identifier_key, 86 net_uuid.data); 87 } 88 #endif 89 90 if (options->start_address) { 91 xpc_dictionary_set_string(if_desc, 92 vmnet_start_address_key, 93 options->start_address); 94 xpc_dictionary_set_string(if_desc, 95 vmnet_end_address_key, 96 options->end_address); 97 xpc_dictionary_set_string(if_desc, 98 vmnet_subnet_mask_key, 99 options->subnet_mask); 100 } 101 102 return if_desc; 103 } 104 105 static NetClientInfo net_vmnet_host_info = { 106 .type = NET_CLIENT_DRIVER_VMNET_HOST, 107 .size = sizeof(VmnetState), 108 .receive = vmnet_receive_common, 109 .cleanup = vmnet_cleanup_common, 110 }; 111 112 int net_init_vmnet_host(const Netdev *netdev, const char *name, 113 NetClientState *peer, Error **errp) 114 { 115 NetClientState *nc = qemu_new_net_client(&net_vmnet_host_info, 116 peer, "vmnet-host", name); 117 xpc_object_t if_desc; 118 int result = -1; 119 120 if (!validate_options(netdev, errp)) { 121 return result; 122 } 123 124 if_desc = build_if_desc(netdev); 125 result = vmnet_if_create(nc, if_desc, errp); 126 xpc_release(if_desc); 127 return result; 128 } 129