vmnet_int.h (1468B)
1 /* 2 * vmnet_int.h 3 * 4 * Copyright(c) 2022 Vladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com> 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 * 9 */ 10 #ifndef VMNET_INT_H 11 #define VMNET_INT_H 12 13 #include "qemu/osdep.h" 14 #include "vmnet_int.h" 15 #include "clients.h" 16 17 #include <vmnet/vmnet.h> 18 #include <dispatch/dispatch.h> 19 20 /** 21 * From vmnet.framework documentation 22 * 23 * Each read/write call allows up to 200 packets to be 24 * read or written for a maximum of 256KB. 25 * 26 * Each packet written should be a complete 27 * ethernet frame. 28 * 29 * https://developer.apple.com/documentation/vmnet 30 */ 31 #define VMNET_PACKETS_LIMIT 200 32 33 typedef struct VmnetState { 34 NetClientState nc; 35 interface_ref vmnet_if; 36 37 uint64_t mtu; 38 uint64_t max_packet_size; 39 40 dispatch_queue_t if_queue; 41 42 QEMUBH *send_bh; 43 44 struct vmpktdesc packets_buf[VMNET_PACKETS_LIMIT]; 45 int packets_send_current_pos; 46 int packets_send_end_pos; 47 48 struct iovec iov_buf[VMNET_PACKETS_LIMIT]; 49 } VmnetState; 50 51 const char *vmnet_status_map_str(vmnet_return_t status); 52 53 int vmnet_if_create(NetClientState *nc, 54 xpc_object_t if_desc, 55 Error **errp); 56 57 ssize_t vmnet_receive_common(NetClientState *nc, 58 const uint8_t *buf, 59 size_t size); 60 61 void vmnet_cleanup_common(NetClientState *nc); 62 63 #endif /* VMNET_INT_H */