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* vmnet_int.h
* Copyright(c) 2022 Vladislav Yaroshchuk <>
* 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>
#include <dispatch/dispatch.h>
* From vmnet.framework documentation
* Each read/write call allows up to 200 packets to be
* read or written for a maximum of 256KB.
* Each packet written should be a complete
* ethernet frame.
typedef struct VmnetState {
NetClientState nc;
interface_ref vmnet_if;
uint64_t mtu;
uint64_t max_packet_size;
dispatch_queue_t if_queue;
QEMUBH *send_bh;
struct vmpktdesc packets_buf[VMNET_PACKETS_LIMIT];
int packets_send_current_pos;
int packets_send_end_pos;
struct iovec iov_buf[VMNET_PACKETS_LIMIT];
} VmnetState;
const char *vmnet_status_map_str(vmnet_return_t status);
int vmnet_if_create(NetClientState *nc,
xpc_object_t if_desc,
Error **errp);
ssize_t vmnet_receive_common(NetClientState *nc,
const uint8_t *buf,
size_t size);
void vmnet_cleanup_common(NetClientState *nc);
#endif /* VMNET_INT_H */