Create separate netdevs for each vmnet operating mode:
- vmnet-host
- vmnet-shared
- vmnet-bridged

Signed-off-by: Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
---
 net/clients.h       |  11 ++++
 net/meson.build     |   7 +++
 net/net.c           |  10 ++++
 net/vmnet-bridged.m |  25 +++++++++
 net/vmnet-common.m  |  20 +++++++
 net/vmnet-host.c    |  24 ++++++++
 net/vmnet-shared.c  |  25 +++++++++
 net/vmnet_int.h     |  25 +++++++++
 qapi/net.json       | 133 +++++++++++++++++++++++++++++++++++++++++++-
 9 files changed, 278 insertions(+), 2 deletions(-)
 create mode 100644 net/vmnet-bridged.m
 create mode 100644 net/vmnet-common.m
 create mode 100644 net/vmnet-host.c
 create mode 100644 net/vmnet-shared.c
 create mode 100644 net/vmnet_int.h

diff --git a/net/clients.h b/net/clients.h
index 92f9b59aed..c9157789f2 100644
--- a/net/clients.h
+++ b/net/clients.h
@@ -63,4 +63,15 @@ int net_init_vhost_user(const Netdev *netdev, const char 
*name,
 
 int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
                         NetClientState *peer, Error **errp);
+#ifdef CONFIG_VMNET
+int net_init_vmnet_host(const Netdev *netdev, const char *name,
+                          NetClientState *peer, Error **errp);
+
+int net_init_vmnet_shared(const Netdev *netdev, const char *name,
+                          NetClientState *peer, Error **errp);
+
+int net_init_vmnet_bridged(const Netdev *netdev, const char *name,
+                          NetClientState *peer, Error **errp);
+#endif /* CONFIG_VMNET */
+
 #endif /* QEMU_NET_CLIENTS_H */
diff --git a/net/meson.build b/net/meson.build
index 847bc2ac85..00a88c4951 100644
--- a/net/meson.build
+++ b/net/meson.build
@@ -42,4 +42,11 @@ softmmu_ss.add(when: 'CONFIG_POSIX', if_true: 
files(tap_posix))
 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: files('tap-win32.c'))
 softmmu_ss.add(when: 'CONFIG_VHOST_NET_VDPA', if_true: files('vhost-vdpa.c'))
 
+vmnet_files = files(
+  'vmnet-common.m',
+  'vmnet-bridged.m',
+  'vmnet-host.c',
+  'vmnet-shared.c'
+)
+softmmu_ss.add(when: vmnet, if_true: vmnet_files)
 subdir('can')
diff --git a/net/net.c b/net/net.c
index f0d14dbfc1..1dbb64b935 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1021,6 +1021,11 @@ static int (* const 
net_client_init_fun[NET_CLIENT_DRIVER__MAX])(
 #ifdef CONFIG_L2TPV3
         [NET_CLIENT_DRIVER_L2TPV3]    = net_init_l2tpv3,
 #endif
+#ifdef CONFIG_VMNET
+        [NET_CLIENT_DRIVER_VMNET_HOST] = net_init_vmnet_host,
+        [NET_CLIENT_DRIVER_VMNET_SHARED] = net_init_vmnet_shared,
+        [NET_CLIENT_DRIVER_VMNET_BRIDGED] = net_init_vmnet_bridged,
+#endif /* CONFIG_VMNET */
 };
 
 
@@ -1106,6 +1111,11 @@ void show_netdevs(void)
 #endif
 #ifdef CONFIG_VHOST_VDPA
         "vhost-vdpa",
+#endif
+#ifdef CONFIG_VMNET
+        "vmnet-host",
+        "vmnet-shared",
+        "vmnet-bridged",
 #endif
     };
 
diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m
new file mode 100644
index 0000000000..c735901666
--- /dev/null
+++ b/net/vmnet-bridged.m
@@ -0,0 +1,25 @@
+/*
+ * vmnet-bridged.m
+ *
+ * Copyright(c) 2021 Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/qapi-types-net.h"
+#include "vmnet_int.h"
+#include "clients.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+
+#include <vmnet/vmnet.h>
+
+int net_init_vmnet_bridged(const Netdev *netdev, const char *name,
+                           NetClientState *peer, Error **errp)
+{
+  error_setg(errp, "vmnet-bridged is not implemented yet");
+  return -1;
+}
diff --git a/net/vmnet-common.m b/net/vmnet-common.m
new file mode 100644
index 0000000000..56612c72ce
--- /dev/null
+++ b/net/vmnet-common.m
@@ -0,0 +1,20 @@
+/*
+ * vmnet-common.m - network client wrapper for Apple vmnet.framework
+ *
+ * Copyright(c) 2021 Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
+ * Copyright(c) 2021 Phillip Tennen <phil...@axleos.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/qapi-types-net.h"
+#include "vmnet_int.h"
+#include "clients.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+
+#include <vmnet/vmnet.h>
+
diff --git a/net/vmnet-host.c b/net/vmnet-host.c
new file mode 100644
index 0000000000..32dc437037
--- /dev/null
+++ b/net/vmnet-host.c
@@ -0,0 +1,24 @@
+/*
+ * vmnet-host.c
+ *
+ * Copyright(c) 2021 Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/qapi-types-net.h"
+#include "vmnet_int.h"
+#include "clients.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+
+#include <vmnet/vmnet.h>
+
+int net_init_vmnet_host(const Netdev *netdev, const char *name,
+                        NetClientState *peer, Error **errp) {
+  error_setg(errp, "vmnet-host is not implemented yet");
+  return -1;
+}
diff --git a/net/vmnet-shared.c b/net/vmnet-shared.c
new file mode 100644
index 0000000000..f07afaaf21
--- /dev/null
+++ b/net/vmnet-shared.c
@@ -0,0 +1,25 @@
+/*
+ * vmnet-shared.c
+ *
+ * Copyright(c) 2021 Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/qapi-types-net.h"
+#include "vmnet_int.h"
+#include "clients.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+
+#include <vmnet/vmnet.h>
+
+int net_init_vmnet_shared(const Netdev *netdev, const char *name,
+                          NetClientState *peer, Error **errp)
+{
+  error_setg(errp, "vmnet-shared is not implemented yet");
+  return -1;
+}
diff --git a/net/vmnet_int.h b/net/vmnet_int.h
new file mode 100644
index 0000000000..aac4d5af64
--- /dev/null
+++ b/net/vmnet_int.h
@@ -0,0 +1,25 @@
+/*
+ * vmnet_int.h
+ *
+ * Copyright(c) 2021 Vladislav Yaroshchuk <vladislav.yaroshc...@jetbrains.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+#ifndef VMNET_INT_H
+#define VMNET_INT_H
+
+#include "qemu/osdep.h"
+#include "vmnet_int.h"
+#include "clients.h"
+
+#include <vmnet/vmnet.h>
+
+typedef struct VmnetCommonState {
+  NetClientState nc;
+
+} VmnetCommonState;
+
+
+#endif /* VMNET_INT_H */
diff --git a/qapi/net.json b/qapi/net.json
index 7fab2e7cd8..b922e2e34f 100644
--- a/qapi/net.json
+++ b/qapi/net.json
@@ -452,6 +452,120 @@
     '*vhostdev':     'str',
     '*queues':       'int' } }
 
+##
+# @NetdevVmnetHostOptions:
+#
+# vmnet (host mode) network backend.
+#
+# Allows the vmnet interface to communicate with other vmnet
+# interfaces that are in host mode and also with the host.
+#
+# @start-address: The starting IPv4 address to use for the interface.
+#                 Must be in the private IP range (RFC 1918). Must be
+#                 specified along with @end-address and @subnet-mask.
+#                 This address is used as the gateway address. The
+#                 subsequent address up to and including end-address are
+#                 placed in the DHCP pool.
+#
+# @end-address: The DHCP IPv4 range end address to use for the
+#               interface. Must be in the private IP range (RFC 1918).
+#               Must be specified along with @start-address and
+#               @subnet-mask.
+#
+# @subnet-mask: The IPv4 subnet mask to use on the interface. Must
+#               be specified along with @start-address and @subnet-mask.
+#
+# @isolated: Enable isolation for this interface. Interface isolation
+#            ensures that vmnet interface is not able to communicate
+#            with any other vmnet interfaces. Only communication with
+#            host is allowed. Available since macOS Big Sur 11.0.
+#
+# @net-uuid: The identifier (UUID) to uniquely identify the isolated
+#            network vmnet interface should be added to. If
+#            set, no DHCP service is provided for this interface and
+#            network communication is allowed only with other interfaces
+#            added to this network identified by the UUID. Available
+#            since macOS Big Sur 11.0.
+#
+# Since: 7.0
+##
+{ 'struct': 'NetdevVmnetHostOptions',
+  'data': {
+    '*start-address': 'str',
+    '*end-address':   'str',
+    '*subnet-mask':   'str',
+    '*isolated':      'bool',
+    '*net-uuid':      'str' },
+  'if': 'CONFIG_VMNET' }
+
+##
+# @NetdevVmnetSharedOptions:
+#
+# vmnet (shared mode) network backend.
+#
+# Allows traffic originating from the vmnet interface to reach the
+# Internet through a network address translator (NAT).
+# The vmnet interface can communicate with the host and with
+# other shared mode interfaces on the same subnet. If no DHCP
+# settings, subnet mask and IPv6 prefix specified, the interface can
+# communicate with any of other interfaces in shared mode.
+#
+# @start-address: The starting IPv4 address to use for the interface.
+#                 Must be in the private IP range (RFC 1918). Must be
+#                 specified along with @end-address and @subnet-mask.
+#                 This address is used as the gateway address. The
+#                 subsequent address up to and including end-address are
+#                 placed in the DHCP pool.
+#
+# @end-address: The DHCP IPv4 range end address to use for the
+#               interface. Must be in the private IP range (RFC 1918).
+#               Must be specified along with @start-address and @subnet-mask.
+#
+# @subnet-mask: The IPv4 subnet mask to use on the interface. Must
+#                be specified along with @start-address and @subnet-mask.
+#
+# @isolated: Enable isolation for this interface. Interface isolation
+#            ensures that vmnet interface is not able to communicate
+#            with any other vmnet interfaces. Only communication with
+#            host is allowed. Available since macOS Big Sur 11.0.
+#
+# @nat66-prefix: The IPv6 prefix to use into guest network. Must be a
+#                unique local address i.e. start with fd00::/8 and have
+#                length of 64.
+#
+# Since: 7.0
+##
+{ 'struct': 'NetdevVmnetSharedOptions',
+  'data': {
+    '*start-address': 'str',
+    '*end-address':   'str',
+    '*subnet-mask':   'str',
+    '*isolated':      'bool',
+    '*nat66-prefix':  'str' },
+  'if': 'CONFIG_VMNET' }
+
+##
+# @NetdevVmnetBridgedOptions:
+#
+# vmnet (bridged mode) network backend.
+#
+# Bridges the vmnet interface with a physical network interface.
+#
+# @ifname: The name of the physical interface to be bridged.
+#
+# @isolated: Enable isolation for this interface. Interface isolation
+#            ensures that vmnet interface is not able to communicate
+#            with any other vmnet interfaces. Only communication with
+#            host is allowed. Available since macOS Big Sur 11.0.
+#
+# Since: 7.0
+##
+{ 'struct': 'NetdevVmnetBridgedOptions',
+  'data': {
+    'ifname':     'str',
+    '*isolated':  'bool' },
+  'if': 'CONFIG_VMNET' }
+
 ##
 # @NetClientDriver:
 #
@@ -460,10 +574,16 @@
 # Since: 2.7
 #
 #        @vhost-vdpa since 5.1
+#        @vmnet-host since 7.0
+#        @vmnet-shared since 7.0
+#        @vmnet-bridged since 7.0
 ##
 { 'enum': 'NetClientDriver',
   'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
-            'bridge', 'hubport', 'netmap', 'vhost-user', 'vhost-vdpa' ] }
+            'bridge', 'hubport', 'netmap', 'vhost-user', 'vhost-vdpa',
+            { 'name': 'vmnet-host', 'if': 'CONFIG_VMNET' },
+            { 'name': 'vmnet-shared', 'if': 'CONFIG_VMNET' },
+            { 'name': 'vmnet-bridged', 'if': 'CONFIG_VMNET' }] }
 
 ##
 # @Netdev:
@@ -477,6 +597,9 @@
 # Since: 1.2
 #
 #        'l2tpv3' - since 2.1
+#        'vmnet-host' - since 7.0
+#        'vmnet-shared' - since 7.0
+#        'vmnet-bridged' - since 7.0
 ##
 { 'union': 'Netdev',
   'base': { 'id': 'str', 'type': 'NetClientDriver' },
@@ -492,7 +615,13 @@
     'hubport':  'NetdevHubPortOptions',
     'netmap':   'NetdevNetmapOptions',
     'vhost-user': 'NetdevVhostUserOptions',
-    'vhost-vdpa': 'NetdevVhostVDPAOptions' } }
+    'vhost-vdpa': 'NetdevVhostVDPAOptions',
+    'vmnet-host': { 'type': 'NetdevVmnetHostOptions',
+                    'if': 'CONFIG_VMNET' },
+    'vmnet-shared': { 'type': 'NetdevVmnetSharedOptions',
+                      'if': 'CONFIG_VMNET' },
+    'vmnet-bridged': { 'type': 'NetdevVmnetBridgedOptions',
+                       'if': 'CONFIG_VMNET' } } }
 
 ##
 # @RxState:
-- 
2.34.1.vfs.0.0


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