| 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 | QemuUUID net_uuid; |
| 25 | |
| 26 | if (options->net_uuid && |
| 27 | qemu_uuid_parse(options->net_uuid, &net_uuid) < 0) { |
| 28 | error_setg(errp, "Invalid UUID provided in 'net-uuid'"); |
| 29 | return false; |
| 30 | } |
| 31 | |
| 32 | if ((options->start_address || |
| 33 | options->end_address || |
| 34 | options->subnet_mask) && |
| 35 | !(options->start_address && |
| 36 | options->end_address && |
| 37 | options->subnet_mask)) { |
| 38 | error_setg(errp, |
| 39 | "'start-address', 'end-address', 'subnet-mask' " |
| 40 | "should be provided together"); |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | return true; |
| 45 | } |
| 46 | |
| 47 | static xpc_object_t build_if_desc(const Netdev *netdev) |
| 48 | { |
| 49 | const NetdevVmnetHostOptions *options = &(netdev->u.vmnet_host); |
| 50 | xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0); |
| 51 | |
| 52 | xpc_dictionary_set_uint64(if_desc, |
| 53 | vmnet_operation_mode_key, |
| 54 | VMNET_HOST_MODE); |
| 55 | |
| 56 | xpc_dictionary_set_bool(if_desc, |
| 57 | vmnet_enable_isolation_key, |
| 58 | options->isolated); |
| 59 | |
| 60 | QemuUUID net_uuid; |
| 61 | if (options->net_uuid) { |
| 62 | qemu_uuid_parse(options->net_uuid, &net_uuid); |
| 63 | xpc_dictionary_set_uuid(if_desc, |
| 64 | vmnet_network_identifier_key, |
| 65 | net_uuid.data); |
| 66 | } |
| 67 | |
| 68 | if (options->start_address) { |
| 69 | xpc_dictionary_set_string(if_desc, |
| 70 | vmnet_start_address_key, |
| 71 | options->start_address); |
| 72 | xpc_dictionary_set_string(if_desc, |
| 73 | vmnet_end_address_key, |
| 74 | options->end_address); |
| 75 | xpc_dictionary_set_string(if_desc, |
| 76 | vmnet_subnet_mask_key, |
| 77 | options->subnet_mask); |
| 78 | } |
| 79 | |
| 80 | return if_desc; |
| 81 | } |
| 82 | |
| 83 | static NetClientInfo net_vmnet_host_info = { |
| 84 | .type = NET_CLIENT_DRIVER_VMNET_HOST, |
| 85 | .size = sizeof(VmnetState), |
| 86 | .receive = vmnet_receive_common, |
| 87 | .cleanup = vmnet_cleanup_common, |
| 88 | }; |
| 89 | |
| 90 | int net_init_vmnet_host(const Netdev *netdev, const char *name, |
| 91 | NetClientState *peer, Error **errp) |
| 92 | { |
| 93 | NetClientState *nc = qemu_new_net_client(&net_vmnet_host_info, |
| 94 | peer, "vmnet-host", name); |
| 95 | xpc_object_t if_desc; |
| 96 | int result = -1; |
| 97 | |
| 98 | if (!validate_options(netdev, errp)) { |
| 99 | return result; |
| 100 | } |
| 101 | |
| 102 | if_desc = build_if_desc(netdev); |
| 103 | result = vmnet_if_create(nc, if_desc, errp); |
| 104 | xpc_release(if_desc); |
| 105 | return result; |
| 106 | } |