aboutsummaryrefslogtreecommitdiff
path: root/net/vmnet-shared.c
diff options
context:
space:
mode:
authorVladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com>2022-03-17 20:28:35 +0300
committerJason Wang <jasowang@redhat.com>2022-05-17 16:48:23 +0800
commit73f99db534e36cdf7dd045b3fde2af29132c0a35 (patch)
treebfd6cf50e7a8d988292e6e57ffb332ebf52a8bc8 /net/vmnet-shared.c
parent81ad2964e93848fc0998145043c395dea67f00da (diff)
downloadqemu-73f99db534e36cdf7dd045b3fde2af29132c0a35.zip
qemu-73f99db534e36cdf7dd045b3fde2af29132c0a35.tar.gz
qemu-73f99db534e36cdf7dd045b3fde2af29132c0a35.tar.bz2
net/vmnet: implement shared mode (vmnet-shared)
Interaction with vmnet.framework in different modes differs only on configuration stage, so we can create common `send`, `receive`, etc. procedures and reuse them. Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com> Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com> Signed-off-by: Phillip Tennen <phillip@axleos.com> Signed-off-by: Vladislav Yaroshchuk <Vladislav.Yaroshchuk@jetbrains.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'net/vmnet-shared.c')
-rw-r--r--net/vmnet-shared.c97
1 files changed, 93 insertions, 4 deletions
diff --git a/net/vmnet-shared.c b/net/vmnet-shared.c
index 6dfb133..18cadc7 100644
--- a/net/vmnet-shared.c
+++ b/net/vmnet-shared.c
@@ -10,16 +10,105 @@
#include "qemu/osdep.h"
#include "qapi/qapi-types-net.h"
+#include "qapi/error.h"
#include "vmnet_int.h"
#include "clients.h"
-#include "qemu/error-report.h"
-#include "qapi/error.h"
#include <vmnet/vmnet.h>
+
+static bool validate_options(const Netdev *netdev, Error **errp)
+{
+ const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared);
+
+#if !defined(MAC_OS_VERSION_11_0) || \
+ MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0
+ if (options->has_isolated) {
+ error_setg(errp,
+ "vmnet-shared.isolated feature is "
+ "unavailable: outdated vmnet.framework API");
+ return false;
+ }
+#endif
+
+ if ((options->has_start_address ||
+ options->has_end_address ||
+ options->has_subnet_mask) &&
+ !(options->has_start_address &&
+ options->has_end_address &&
+ options->has_subnet_mask)) {
+ error_setg(errp,
+ "'start-address', 'end-address', 'subnet-mask' "
+ "should be provided together"
+ );
+ return false;
+ }
+
+ return true;
+}
+
+static xpc_object_t build_if_desc(const Netdev *netdev)
+{
+ const NetdevVmnetSharedOptions *options = &(netdev->u.vmnet_shared);
+ xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0);
+
+ xpc_dictionary_set_uint64(
+ if_desc,
+ vmnet_operation_mode_key,
+ VMNET_SHARED_MODE
+ );
+
+ if (options->has_nat66_prefix) {
+ xpc_dictionary_set_string(if_desc,
+ vmnet_nat66_prefix_key,
+ options->nat66_prefix);
+ }
+
+ if (options->has_start_address) {
+ xpc_dictionary_set_string(if_desc,
+ vmnet_start_address_key,
+ options->start_address);
+ xpc_dictionary_set_string(if_desc,
+ vmnet_end_address_key,
+ options->end_address);
+ xpc_dictionary_set_string(if_desc,
+ vmnet_subnet_mask_key,
+ options->subnet_mask);
+ }
+
+#if defined(MAC_OS_VERSION_11_0) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0
+ xpc_dictionary_set_bool(
+ if_desc,
+ vmnet_enable_isolation_key,
+ options->isolated
+ );
+#endif
+
+ return if_desc;
+}
+
+static NetClientInfo net_vmnet_shared_info = {
+ .type = NET_CLIENT_DRIVER_VMNET_SHARED,
+ .size = sizeof(VmnetState),
+ .receive = vmnet_receive_common,
+ .cleanup = vmnet_cleanup_common,
+};
+
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;
+ NetClientState *nc = qemu_new_net_client(&net_vmnet_shared_info,
+ peer, "vmnet-shared", name);
+ xpc_object_t if_desc;
+ int result = -1;
+
+ if (!validate_options(netdev, errp)) {
+ return result;
+ }
+
+ if_desc = build_if_desc(netdev);
+ result = vmnet_if_create(nc, if_desc, errp);
+ xpc_release(if_desc);
+ return result;
}