115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
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* vmnet-shared.c
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*
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* Copyright(c) 2022 Vladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/qapi-types-net.h"
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#include "qapi/error.h"
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#include "vmnet_int.h"
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#include "clients.h"
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#include <vmnet/vmnet.h>
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static bool validate_options(const Netdev *netdev, Error **errp)
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{
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const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared);
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#if !defined(MAC_OS_VERSION_11_0) || \
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MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0
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if (options->has_isolated) {
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error_setg(errp,
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"vmnet-shared.isolated feature is "
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"unavailable: outdated vmnet.framework API");
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return false;
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}
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#endif
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if ((options->start_address ||
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options->end_address ||
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options->subnet_mask) &&
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!(options->start_address &&
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options->end_address &&
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options->subnet_mask)) {
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error_setg(errp,
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"'start-address', 'end-address', 'subnet-mask' "
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"should be provided together"
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);
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return false;
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}
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return true;
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}
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static xpc_object_t build_if_desc(const Netdev *netdev)
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{
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const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared);
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xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0);
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xpc_dictionary_set_uint64(
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if_desc,
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vmnet_operation_mode_key,
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VMNET_SHARED_MODE
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);
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if (options->nat66_prefix) {
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xpc_dictionary_set_string(if_desc,
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vmnet_nat66_prefix_key,
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options->nat66_prefix);
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}
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if (options->start_address) {
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xpc_dictionary_set_string(if_desc,
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vmnet_start_address_key,
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options->start_address);
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xpc_dictionary_set_string(if_desc,
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vmnet_end_address_key,
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options->end_address);
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xpc_dictionary_set_string(if_desc,
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vmnet_subnet_mask_key,
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options->subnet_mask);
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}
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#if defined(MAC_OS_VERSION_11_0) && \
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MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0
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xpc_dictionary_set_bool(
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if_desc,
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vmnet_enable_isolation_key,
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options->isolated
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);
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#endif
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return if_desc;
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}
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static NetClientInfo net_vmnet_shared_info = {
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.type = NET_CLIENT_DRIVER_VMNET_SHARED,
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.size = sizeof(VmnetState),
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.receive = vmnet_receive_common,
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.cleanup = vmnet_cleanup_common,
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};
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int net_init_vmnet_shared(const Netdev *netdev, const char *name,
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NetClientState *peer, Error **errp)
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{
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NetClientState *nc = qemu_new_net_client(&net_vmnet_shared_info,
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peer, "vmnet-shared", name);
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xpc_object_t if_desc;
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int result = -1;
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if (!validate_options(netdev, errp)) {
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return result;
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}
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if_desc = build_if_desc(netdev);
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result = vmnet_if_create(nc, if_desc, errp);
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xpc_release(if_desc);
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return result;
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}
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