| 1 | /* |
| 2 | * vmnet-shared.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 "qapi/qapi-types-net.h" |
| 13 | #include "qapi/error.h" |
| 14 | #include "vmnet_int.h" |
| 15 | #include "clients.h" |
| 16 | |
| 17 | #include <vmnet/vmnet.h> |
| 18 | |
| 19 | |
| 20 | static bool validate_options(const Netdev *netdev, Error **errp) |
| 21 | { |
| 22 | const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared); |
| 23 | |
| 24 | if ((options->start_address || |
| 25 | options->end_address || |
| 26 | options->subnet_mask) && |
| 27 | !(options->start_address && |
| 28 | options->end_address && |
| 29 | options->subnet_mask)) { |
| 30 | error_setg(errp, |
| 31 | "'start-address', 'end-address', 'subnet-mask' " |
| 32 | "should be provided together" |
| 33 | ); |
| 34 | return false; |
| 35 | } |
| 36 | |
| 37 | return true; |
| 38 | } |
| 39 | |
| 40 | static xpc_object_t build_if_desc(const Netdev *netdev) |
| 41 | { |
| 42 | const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared); |
| 43 | xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0); |
| 44 | |
| 45 | xpc_dictionary_set_uint64( |
| 46 | if_desc, |
| 47 | vmnet_operation_mode_key, |
| 48 | VMNET_SHARED_MODE |
| 49 | ); |
| 50 | |
| 51 | if (options->nat66_prefix) { |
| 52 | xpc_dictionary_set_string(if_desc, |
| 53 | vmnet_nat66_prefix_key, |
| 54 | options->nat66_prefix); |
| 55 | } |
| 56 | |
| 57 | if (options->start_address) { |
| 58 | xpc_dictionary_set_string(if_desc, |
| 59 | vmnet_start_address_key, |
| 60 | options->start_address); |
| 61 | xpc_dictionary_set_string(if_desc, |
| 62 | vmnet_end_address_key, |
| 63 | options->end_address); |
| 64 | xpc_dictionary_set_string(if_desc, |
| 65 | vmnet_subnet_mask_key, |
| 66 | options->subnet_mask); |
| 67 | } |
| 68 | |
| 69 | xpc_dictionary_set_bool( |
| 70 | if_desc, |
| 71 | vmnet_enable_isolation_key, |
| 72 | options->isolated |
| 73 | ); |
| 74 | |
| 75 | return if_desc; |
| 76 | } |
| 77 | |
| 78 | static NetClientInfo net_vmnet_shared_info = { |
| 79 | .type = NET_CLIENT_DRIVER_VMNET_SHARED, |
| 80 | .size = sizeof(VmnetState), |
| 81 | .receive = vmnet_receive_common, |
| 82 | .cleanup = vmnet_cleanup_common, |
| 83 | }; |
| 84 | |
| 85 | int net_init_vmnet_shared(const Netdev *netdev, const char *name, |
| 86 | NetClientState *peer, Error **errp) |
| 87 | { |
| 88 | NetClientState *nc = qemu_new_net_client(&net_vmnet_shared_info, |
| 89 | peer, "vmnet-shared", name); |
| 90 | xpc_object_t if_desc; |
| 91 | int result = -1; |
| 92 | |
| 93 | if (!validate_options(netdev, errp)) { |
| 94 | return result; |
| 95 | } |
| 96 | |
| 97 | if_desc = build_if_desc(netdev); |
| 98 | result = vmnet_if_create(nc, if_desc, errp); |
| 99 | xpc_release(if_desc); |
| 100 | return result; |
| 101 | } |