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net/vmnet: implement shared mode (vmnet-shared)

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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>
This commit is contained in:
Vladislav Yaroshchuk
2022-03-17 20:28:35 +03:00
committed by Jason Wang
parent 81ad2964e9
commit 73f99db534
3 changed files with 491 additions and 5 deletions
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97
net/vmnet-shared.c
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@ -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"unavailable: outdated vmnet.framework API");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;
}