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authorVladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com>2022-03-17 20:28:37 +0300
committerJason Wang <jasowang@redhat.com>2022-05-17 16:48:23 +0800
commit2c313ae2a0676d79eaa260a2cba64d93feb0683f (patch)
tree018534b6198583e026f7c98ac3273b1af4c75b37 /net/vmnet-bridged.m
parent5cfa6437309fbf6c52a941898ca6b94dcddb5584 (diff)
net/vmnet: implement bridged mode (vmnet-bridged)
Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com> Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com> Signed-off-by: Vladislav Yaroshchuk <Vladislav.Yaroshchuk@jetbrains.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'net/vmnet-bridged.m')
-rw-r--r--net/vmnet-bridged.m137
1 files changed, 132 insertions, 5 deletions
diff --git a/net/vmnet-bridged.m b/net/vmnet-bridged.m
index 91c1a2f2c7..46d2282863 100644
--- a/net/vmnet-bridged.m
+++ b/net/vmnet-bridged.m
@@ -10,16 +10,143 @@
#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 "clients.h"
+#include "vmnet_int.h"
#include <vmnet/vmnet.h>
+
+static bool validate_ifname(const char *ifname)
+{
+ xpc_object_t shared_if_list = vmnet_copy_shared_interface_list();
+ bool match = false;
+ if (!xpc_array_get_count(shared_if_list)) {
+ goto done;
+ }
+
+ match = !xpc_array_apply(
+ shared_if_list,
+ ^bool(size_t index, xpc_object_t value) {
+ return strcmp(xpc_string_get_string_ptr(value), ifname) != 0;
+ });
+
+done:
+ xpc_release(shared_if_list);
+ return match;
+}
+
+
+static char* get_valid_ifnames()
+{
+ xpc_object_t shared_if_list = vmnet_copy_shared_interface_list();
+ __block char *if_list = NULL;
+ __block char *if_list_prev = NULL;
+
+ if (!xpc_array_get_count(shared_if_list)) {
+ goto done;
+ }
+
+ xpc_array_apply(
+ shared_if_list,
+ ^bool(size_t index, xpc_object_t value) {
+ /* build list of strings like "en0 en1 en2 " */
+ if_list = g_strconcat(xpc_string_get_string_ptr(value),
+ " ",
+ if_list_prev,
+ NULL);
+ g_free(if_list_prev);
+ if_list_prev = if_list;
+ return true;
+ });
+
+done:
+ xpc_release(shared_if_list);
+ return if_list;
+}
+
+
+static bool validate_options(const Netdev *netdev, Error **errp)
+{
+ const NetdevVmnetBridgedOptions *options = &(netdev->u.vmnet_bridged);
+ char* if_list;
+
+ if (!validate_ifname(options->ifname)) {
+ if_list = get_valid_ifnames();
+ if (if_list) {
+ error_setg(errp,
+ "unsupported ifname '%s', expected one of [ %s]",
+ options->ifname,
+ if_list);
+ g_free(if_list);
+ } else {
+ error_setg(errp,
+ "unsupported ifname '%s', no supported "
+ "interfaces available",
+ options->ifname);
+ }
+ return false;
+ }
+
+#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-bridged.isolated feature is "
+ "unavailable: outdated vmnet.framework API");
+ return false;
+ }
+#endif
+ return true;
+}
+
+
+static xpc_object_t build_if_desc(const Netdev *netdev)
+{
+ const NetdevVmnetBridgedOptions *options = &(netdev->u.vmnet_bridged);
+ xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0);
+
+ xpc_dictionary_set_uint64(if_desc,
+ vmnet_operation_mode_key,
+ VMNET_BRIDGED_MODE
+ );
+
+ xpc_dictionary_set_string(if_desc,
+ vmnet_shared_interface_name_key,
+ options->ifname);
+
+#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_bridged_info = {
+ .type = NET_CLIENT_DRIVER_VMNET_BRIDGED,
+ .size = sizeof(VmnetState),
+ .receive = vmnet_receive_common,
+ .cleanup = vmnet_cleanup_common,
+};
+
+
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;
+ NetClientState *nc = qemu_new_net_client(&net_vmnet_bridged_info,
+ peer, "vmnet-bridged", 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;
}