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Diffstat (limited to 'net/vmnet_int.h')
-rw-r--r-- | net/vmnet_int.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/net/vmnet_int.h b/net/vmnet_int.h new file mode 100644 index 0000000000..adf6e8c20d --- /dev/null +++ b/net/vmnet_int.h @@ -0,0 +1,63 @@ +/* + * vmnet_int.h + * + * Copyright(c) 2022 Vladislav Yaroshchuk <vladislav.yaroshchuk@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> +#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. + * + * https://developer.apple.com/documentation/vmnet + */ +#define VMNET_PACKETS_LIMIT 200 + +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 */ |