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26#include "qemu-common.h"
27#include "hw/usb.h"
28#include "hw/usb/desc.h"
29#include "net/net.h"
30#include "qapi/qmp/qerror.h"
31#include "qemu/queue.h"
32#include "qemu/config-file.h"
33#include "sysemu/sysemu.h"
34#include "qemu/iov.h"
35
36
37
38
39
40#define CDC_VENDOR_NUM 0x0525
41#define CDC_PRODUCT_NUM 0xa4a1
42
43
44
45#define RNDIS_VENDOR_NUM 0x0525
46#define RNDIS_PRODUCT_NUM 0xa4a2
47
48enum usbstring_idx {
49 STRING_MANUFACTURER = 1,
50 STRING_PRODUCT,
51 STRING_ETHADDR,
52 STRING_DATA,
53 STRING_CONTROL,
54 STRING_RNDIS_CONTROL,
55 STRING_CDC,
56 STRING_SUBSET,
57 STRING_RNDIS,
58 STRING_SERIALNUMBER,
59};
60
61#define DEV_CONFIG_VALUE 1
62#define DEV_RNDIS_CONFIG_VALUE 2
63
64#define USB_CDC_SUBCLASS_ACM 0x02
65#define USB_CDC_SUBCLASS_ETHERNET 0x06
66
67#define USB_CDC_PROTO_NONE 0
68#define USB_CDC_ACM_PROTO_VENDOR 0xff
69
70#define USB_CDC_HEADER_TYPE 0x00
71#define USB_CDC_CALL_MANAGEMENT_TYPE 0x01
72#define USB_CDC_ACM_TYPE 0x02
73#define USB_CDC_UNION_TYPE 0x06
74#define USB_CDC_ETHERNET_TYPE 0x0f
75
76#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
77#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
78#define USB_CDC_REQ_SET_LINE_CODING 0x20
79#define USB_CDC_REQ_GET_LINE_CODING 0x21
80#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
81#define USB_CDC_REQ_SEND_BREAK 0x23
82#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
83#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
84#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
85#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
86#define USB_CDC_GET_ETHERNET_STATISTIC 0x44
87
88#define LOG2_STATUS_INTERVAL_MSEC 5
89#define STATUS_BYTECOUNT 16
90
91#define ETH_FRAME_LEN 1514
92
93static const USBDescStrings usb_net_stringtable = {
94 [STRING_MANUFACTURER] = "QEMU",
95 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
96 [STRING_ETHADDR] = "400102030405",
97 [STRING_DATA] = "QEMU USB Net Data Interface",
98 [STRING_CONTROL] = "QEMU USB Net Control Interface",
99 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
100 [STRING_CDC] = "QEMU USB Net CDC",
101 [STRING_SUBSET] = "QEMU USB Net Subset",
102 [STRING_RNDIS] = "QEMU USB Net RNDIS",
103 [STRING_SERIALNUMBER] = "1",
104};
105
106static const USBDescIface desc_iface_rndis[] = {
107 {
108
109 .bInterfaceNumber = 0,
110 .bNumEndpoints = 1,
111 .bInterfaceClass = USB_CLASS_COMM,
112 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
113 .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR,
114 .iInterface = STRING_RNDIS_CONTROL,
115 .ndesc = 4,
116 .descs = (USBDescOther[]) {
117 {
118
119 .data = (uint8_t[]) {
120 0x05,
121 USB_DT_CS_INTERFACE,
122 USB_CDC_HEADER_TYPE,
123 0x10, 0x01,
124 },
125 },{
126
127 .data = (uint8_t[]) {
128 0x05,
129 USB_DT_CS_INTERFACE,
130 USB_CDC_CALL_MANAGEMENT_TYPE,
131 0x00,
132 0x01,
133 },
134 },{
135
136 .data = (uint8_t[]) {
137 0x04,
138 USB_DT_CS_INTERFACE,
139 USB_CDC_ACM_TYPE,
140 0x00,
141 },
142 },{
143
144 .data = (uint8_t[]) {
145 0x05,
146 USB_DT_CS_INTERFACE,
147 USB_CDC_UNION_TYPE,
148 0x00,
149 0x01,
150 },
151 },
152 },
153 .eps = (USBDescEndpoint[]) {
154 {
155 .bEndpointAddress = USB_DIR_IN | 0x01,
156 .bmAttributes = USB_ENDPOINT_XFER_INT,
157 .wMaxPacketSize = STATUS_BYTECOUNT,
158 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
159 },
160 }
161 },{
162
163 .bInterfaceNumber = 1,
164 .bNumEndpoints = 2,
165 .bInterfaceClass = USB_CLASS_CDC_DATA,
166 .iInterface = STRING_DATA,
167 .eps = (USBDescEndpoint[]) {
168 {
169 .bEndpointAddress = USB_DIR_IN | 0x02,
170 .bmAttributes = USB_ENDPOINT_XFER_BULK,
171 .wMaxPacketSize = 0x40,
172 },{
173 .bEndpointAddress = USB_DIR_OUT | 0x02,
174 .bmAttributes = USB_ENDPOINT_XFER_BULK,
175 .wMaxPacketSize = 0x40,
176 }
177 }
178 }
179};
180
181static const USBDescIface desc_iface_cdc[] = {
182 {
183
184 .bInterfaceNumber = 0,
185 .bNumEndpoints = 1,
186 .bInterfaceClass = USB_CLASS_COMM,
187 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
188 .bInterfaceProtocol = USB_CDC_PROTO_NONE,
189 .iInterface = STRING_CONTROL,
190 .ndesc = 3,
191 .descs = (USBDescOther[]) {
192 {
193
194 .data = (uint8_t[]) {
195 0x05,
196 USB_DT_CS_INTERFACE,
197 USB_CDC_HEADER_TYPE,
198 0x10, 0x01,
199 },
200 },{
201
202 .data = (uint8_t[]) {
203 0x05,
204 USB_DT_CS_INTERFACE,
205 USB_CDC_UNION_TYPE,
206 0x00,
207 0x01,
208 },
209 },{
210
211 .data = (uint8_t[]) {
212 0x0d,
213 USB_DT_CS_INTERFACE,
214 USB_CDC_ETHERNET_TYPE,
215 STRING_ETHADDR,
216 0x00, 0x00, 0x00, 0x00,
217 ETH_FRAME_LEN & 0xff,
218 ETH_FRAME_LEN >> 8,
219 0x00, 0x00,
220 0x00,
221 },
222 },
223 },
224 .eps = (USBDescEndpoint[]) {
225 {
226 .bEndpointAddress = USB_DIR_IN | 0x01,
227 .bmAttributes = USB_ENDPOINT_XFER_INT,
228 .wMaxPacketSize = STATUS_BYTECOUNT,
229 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
230 },
231 }
232 },{
233
234 .bInterfaceNumber = 1,
235 .bAlternateSetting = 0,
236 .bNumEndpoints = 0,
237 .bInterfaceClass = USB_CLASS_CDC_DATA,
238 },{
239
240 .bInterfaceNumber = 1,
241 .bAlternateSetting = 1,
242 .bNumEndpoints = 2,
243 .bInterfaceClass = USB_CLASS_CDC_DATA,
244 .iInterface = STRING_DATA,
245 .eps = (USBDescEndpoint[]) {
246 {
247 .bEndpointAddress = USB_DIR_IN | 0x02,
248 .bmAttributes = USB_ENDPOINT_XFER_BULK,
249 .wMaxPacketSize = 0x40,
250 },{
251 .bEndpointAddress = USB_DIR_OUT | 0x02,
252 .bmAttributes = USB_ENDPOINT_XFER_BULK,
253 .wMaxPacketSize = 0x40,
254 }
255 }
256 }
257};
258
259static const USBDescDevice desc_device_net = {
260 .bcdUSB = 0x0200,
261 .bDeviceClass = USB_CLASS_COMM,
262 .bMaxPacketSize0 = 0x40,
263 .bNumConfigurations = 2,
264 .confs = (USBDescConfig[]) {
265 {
266 .bNumInterfaces = 2,
267 .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE,
268 .iConfiguration = STRING_RNDIS,
269 .bmAttributes = 0xc0,
270 .bMaxPower = 0x32,
271 .nif = ARRAY_SIZE(desc_iface_rndis),
272 .ifs = desc_iface_rndis,
273 },{
274 .bNumInterfaces = 2,
275 .bConfigurationValue = DEV_CONFIG_VALUE,
276 .iConfiguration = STRING_CDC,
277 .bmAttributes = 0xc0,
278 .bMaxPower = 0x32,
279 .nif = ARRAY_SIZE(desc_iface_cdc),
280 .ifs = desc_iface_cdc,
281 }
282 },
283};
284
285static const USBDesc desc_net = {
286 .id = {
287 .idVendor = RNDIS_VENDOR_NUM,
288 .idProduct = RNDIS_PRODUCT_NUM,
289 .bcdDevice = 0,
290 .iManufacturer = STRING_MANUFACTURER,
291 .iProduct = STRING_PRODUCT,
292 .iSerialNumber = STRING_SERIALNUMBER,
293 },
294 .full = &desc_device_net,
295 .str = usb_net_stringtable,
296};
297
298
299
300
301#define RNDIS_MAXIMUM_FRAME_SIZE 1518
302#define RNDIS_MAX_TOTAL_SIZE 1558
303
304
305#define RNDIS_MAJOR_VERSION 1
306#define RNDIS_MINOR_VERSION 0
307
308
309#define RNDIS_STATUS_SUCCESS 0x00000000U
310#define RNDIS_STATUS_FAILURE 0xc0000001U
311#define RNDIS_STATUS_INVALID_DATA 0xc0010015U
312#define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU
313#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU
314#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU
315
316
317enum {
318 RNDIS_PACKET_MSG = 1,
319 RNDIS_INITIALIZE_MSG = 2,
320 RNDIS_HALT_MSG = 3,
321 RNDIS_QUERY_MSG = 4,
322 RNDIS_SET_MSG = 5,
323 RNDIS_RESET_MSG = 6,
324 RNDIS_INDICATE_STATUS_MSG = 7,
325 RNDIS_KEEPALIVE_MSG = 8,
326};
327
328
329enum {
330 RNDIS_INITIALIZE_CMPLT = 0x80000002U,
331 RNDIS_QUERY_CMPLT = 0x80000004U,
332 RNDIS_SET_CMPLT = 0x80000005U,
333 RNDIS_RESET_CMPLT = 0x80000006U,
334 RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
335};
336
337
338enum {
339 RNDIS_DF_CONNECTIONLESS = 1,
340 RNDIS_DF_CONNECTIONORIENTED = 2,
341};
342
343#define RNDIS_MEDIUM_802_3 0x00000000U
344
345
346#define OID_PNP_CAPABILITIES 0xfd010100
347#define OID_PNP_SET_POWER 0xfd010101
348#define OID_PNP_QUERY_POWER 0xfd010102
349#define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
350#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
351#define OID_PNP_ENABLE_WAKE_UP 0xfd010106
352
353typedef uint32_t le32;
354
355typedef struct rndis_init_msg_type {
356 le32 MessageType;
357 le32 MessageLength;
358 le32 RequestID;
359 le32 MajorVersion;
360 le32 MinorVersion;
361 le32 MaxTransferSize;
362} rndis_init_msg_type;
363
364typedef struct rndis_init_cmplt_type {
365 le32 MessageType;
366 le32 MessageLength;
367 le32 RequestID;
368 le32 Status;
369 le32 MajorVersion;
370 le32 MinorVersion;
371 le32 DeviceFlags;
372 le32 Medium;
373 le32 MaxPacketsPerTransfer;
374 le32 MaxTransferSize;
375 le32 PacketAlignmentFactor;
376 le32 AFListOffset;
377 le32 AFListSize;
378} rndis_init_cmplt_type;
379
380typedef struct rndis_halt_msg_type {
381 le32 MessageType;
382 le32 MessageLength;
383 le32 RequestID;
384} rndis_halt_msg_type;
385
386typedef struct rndis_query_msg_type {
387 le32 MessageType;
388 le32 MessageLength;
389 le32 RequestID;
390 le32 OID;
391 le32 InformationBufferLength;
392 le32 InformationBufferOffset;
393 le32 DeviceVcHandle;
394} rndis_query_msg_type;
395
396typedef struct rndis_query_cmplt_type {
397 le32 MessageType;
398 le32 MessageLength;
399 le32 RequestID;
400 le32 Status;
401 le32 InformationBufferLength;
402 le32 InformationBufferOffset;
403} rndis_query_cmplt_type;
404
405typedef struct rndis_set_msg_type {
406 le32 MessageType;
407 le32 MessageLength;
408 le32 RequestID;
409 le32 OID;
410 le32 InformationBufferLength;
411 le32 InformationBufferOffset;
412 le32 DeviceVcHandle;
413} rndis_set_msg_type;
414
415typedef struct rndis_set_cmplt_type {
416 le32 MessageType;
417 le32 MessageLength;
418 le32 RequestID;
419 le32 Status;
420} rndis_set_cmplt_type;
421
422typedef struct rndis_reset_msg_type {
423 le32 MessageType;
424 le32 MessageLength;
425 le32 Reserved;
426} rndis_reset_msg_type;
427
428typedef struct rndis_reset_cmplt_type {
429 le32 MessageType;
430 le32 MessageLength;
431 le32 Status;
432 le32 AddressingReset;
433} rndis_reset_cmplt_type;
434
435typedef struct rndis_indicate_status_msg_type {
436 le32 MessageType;
437 le32 MessageLength;
438 le32 Status;
439 le32 StatusBufferLength;
440 le32 StatusBufferOffset;
441} rndis_indicate_status_msg_type;
442
443typedef struct rndis_keepalive_msg_type {
444 le32 MessageType;
445 le32 MessageLength;
446 le32 RequestID;
447} rndis_keepalive_msg_type;
448
449typedef struct rndis_keepalive_cmplt_type {
450 le32 MessageType;
451 le32 MessageLength;
452 le32 RequestID;
453 le32 Status;
454} rndis_keepalive_cmplt_type;
455
456struct rndis_packet_msg_type {
457 le32 MessageType;
458 le32 MessageLength;
459 le32 DataOffset;
460 le32 DataLength;
461 le32 OOBDataOffset;
462 le32 OOBDataLength;
463 le32 NumOOBDataElements;
464 le32 PerPacketInfoOffset;
465 le32 PerPacketInfoLength;
466 le32 VcHandle;
467 le32 Reserved;
468};
469
470struct rndis_config_parameter {
471 le32 ParameterNameOffset;
472 le32 ParameterNameLength;
473 le32 ParameterType;
474 le32 ParameterValueOffset;
475 le32 ParameterValueLength;
476};
477
478
479enum rndis_state
480{
481 RNDIS_UNINITIALIZED,
482 RNDIS_INITIALIZED,
483 RNDIS_DATA_INITIALIZED,
484};
485
486
487enum ndis_oid {
488
489 OID_GEN_SUPPORTED_LIST = 0x00010101,
490 OID_GEN_HARDWARE_STATUS = 0x00010102,
491 OID_GEN_MEDIA_SUPPORTED = 0x00010103,
492 OID_GEN_MEDIA_IN_USE = 0x00010104,
493 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
494 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
495 OID_GEN_LINK_SPEED = 0x00010107,
496 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
497 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
498 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
499 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
500 OID_GEN_VENDOR_ID = 0x0001010c,
501 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
502 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
503 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
504 OID_GEN_DRIVER_VERSION = 0x00010110,
505 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
506 OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
507 OID_GEN_MAC_OPTIONS = 0x00010113,
508 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
509 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
510 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
511 OID_GEN_SUPPORTED_GUIDS = 0x00010117,
512 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
513 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
514 OID_GEN_MACHINE_NAME = 0x0001021a,
515 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
516 OID_GEN_VLAN_ID = 0x0001021c,
517
518
519 OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
520 OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
521
522
523 OID_GEN_XMIT_OK = 0x00020101,
524 OID_GEN_RCV_OK = 0x00020102,
525 OID_GEN_XMIT_ERROR = 0x00020103,
526 OID_GEN_RCV_ERROR = 0x00020104,
527 OID_GEN_RCV_NO_BUFFER = 0x00020105,
528
529
530 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
531 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
532 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
533 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
534 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
535 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
536 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
537 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
538 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
539 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
540 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
541 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
542 OID_GEN_RCV_CRC_ERROR = 0x0002020d,
543 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
544 OID_GEN_GET_TIME_CAPS = 0x0002020f,
545 OID_GEN_GET_NETCARD_TIME = 0x00020210,
546 OID_GEN_NETCARD_LOAD = 0x00020211,
547 OID_GEN_DEVICE_PROFILE = 0x00020212,
548 OID_GEN_INIT_TIME_MS = 0x00020213,
549 OID_GEN_RESET_COUNTS = 0x00020214,
550 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
551 OID_GEN_FRIENDLY_NAME = 0x00020216,
552 OID_GEN_MINIPORT_INFO = 0x00020217,
553 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
554
555
556 OID_802_3_PERMANENT_ADDRESS = 0x01010101,
557 OID_802_3_CURRENT_ADDRESS = 0x01010102,
558 OID_802_3_MULTICAST_LIST = 0x01010103,
559 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
560 OID_802_3_MAC_OPTIONS = 0x01010105,
561 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
562 OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
563 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
564 OID_802_3_XMIT_DEFERRED = 0x01020201,
565 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
566 OID_802_3_RCV_OVERRUN = 0x01020203,
567 OID_802_3_XMIT_UNDERRUN = 0x01020204,
568 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
569 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
570 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
571};
572
573static const uint32_t oid_supported_list[] =
574{
575
576 OID_GEN_SUPPORTED_LIST,
577 OID_GEN_HARDWARE_STATUS,
578 OID_GEN_MEDIA_SUPPORTED,
579 OID_GEN_MEDIA_IN_USE,
580 OID_GEN_MAXIMUM_FRAME_SIZE,
581 OID_GEN_LINK_SPEED,
582 OID_GEN_TRANSMIT_BLOCK_SIZE,
583 OID_GEN_RECEIVE_BLOCK_SIZE,
584 OID_GEN_VENDOR_ID,
585 OID_GEN_VENDOR_DESCRIPTION,
586 OID_GEN_VENDOR_DRIVER_VERSION,
587 OID_GEN_CURRENT_PACKET_FILTER,
588 OID_GEN_MAXIMUM_TOTAL_SIZE,
589 OID_GEN_MEDIA_CONNECT_STATUS,
590 OID_GEN_PHYSICAL_MEDIUM,
591
592
593 OID_GEN_XMIT_OK,
594 OID_GEN_RCV_OK,
595 OID_GEN_XMIT_ERROR,
596 OID_GEN_RCV_ERROR,
597 OID_GEN_RCV_NO_BUFFER,
598
599
600
601 OID_802_3_PERMANENT_ADDRESS,
602 OID_802_3_CURRENT_ADDRESS,
603 OID_802_3_MULTICAST_LIST,
604 OID_802_3_MAC_OPTIONS,
605 OID_802_3_MAXIMUM_LIST_SIZE,
606
607
608 OID_802_3_RCV_ERROR_ALIGNMENT,
609 OID_802_3_XMIT_ONE_COLLISION,
610 OID_802_3_XMIT_MORE_COLLISIONS,
611};
612
613#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
614#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
615#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
616#define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
617#define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
618#define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
619#define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
620
621struct rndis_response {
622 QTAILQ_ENTRY(rndis_response) entries;
623 uint32_t length;
624 uint8_t buf[0];
625};
626
627typedef struct USBNetState {
628 USBDevice dev;
629
630 enum rndis_state rndis_state;
631 uint32_t medium;
632 uint32_t speed;
633 uint32_t media_state;
634 uint16_t filter;
635 uint32_t vendorid;
636
637 unsigned int out_ptr;
638 uint8_t out_buf[2048];
639
640 USBPacket *inpkt;
641 unsigned int in_ptr, in_len;
642 uint8_t in_buf[2048];
643
644 USBEndpoint *intr;
645
646 char usbstring_mac[13];
647 NICState *nic;
648 NICConf conf;
649 QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
650} USBNetState;
651
652static int is_rndis(USBNetState *s)
653{
654 return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
655}
656
657static int ndis_query(USBNetState *s, uint32_t oid,
658 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
659 size_t outlen)
660{
661 unsigned int i;
662
663 switch (oid) {
664
665
666 case OID_GEN_SUPPORTED_LIST:
667 for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
668 ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
669 return sizeof(oid_supported_list);
670
671
672 case OID_GEN_HARDWARE_STATUS:
673 *((le32 *) outbuf) = cpu_to_le32(0);
674 return sizeof(le32);
675
676
677 case OID_GEN_MEDIA_SUPPORTED:
678 *((le32 *) outbuf) = cpu_to_le32(s->medium);
679 return sizeof(le32);
680
681
682 case OID_GEN_MEDIA_IN_USE:
683 *((le32 *) outbuf) = cpu_to_le32(s->medium);
684 return sizeof(le32);
685
686
687 case OID_GEN_MAXIMUM_FRAME_SIZE:
688 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
689 return sizeof(le32);
690
691
692 case OID_GEN_LINK_SPEED:
693 *((le32 *) outbuf) = cpu_to_le32(s->speed);
694 return sizeof(le32);
695
696
697 case OID_GEN_TRANSMIT_BLOCK_SIZE:
698 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
699 return sizeof(le32);
700
701
702 case OID_GEN_RECEIVE_BLOCK_SIZE:
703 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
704 return sizeof(le32);
705
706
707 case OID_GEN_VENDOR_ID:
708 *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
709 return sizeof(le32);
710
711
712 case OID_GEN_VENDOR_DESCRIPTION:
713 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
714 return strlen((char *)outbuf) + 1;
715
716 case OID_GEN_VENDOR_DRIVER_VERSION:
717 *((le32 *) outbuf) = cpu_to_le32(1);
718 return sizeof(le32);
719
720
721 case OID_GEN_CURRENT_PACKET_FILTER:
722 *((le32 *) outbuf) = cpu_to_le32(s->filter);
723 return sizeof(le32);
724
725
726 case OID_GEN_MAXIMUM_TOTAL_SIZE:
727 *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
728 return sizeof(le32);
729
730
731 case OID_GEN_MEDIA_CONNECT_STATUS:
732 *((le32 *) outbuf) = cpu_to_le32(s->media_state);
733 return sizeof(le32);
734
735 case OID_GEN_PHYSICAL_MEDIUM:
736 *((le32 *) outbuf) = cpu_to_le32(0);
737 return sizeof(le32);
738
739 case OID_GEN_MAC_OPTIONS:
740 *((le32 *) outbuf) = cpu_to_le32(
741 NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
742 NDIS_MAC_OPTION_FULL_DUPLEX);
743 return sizeof(le32);
744
745
746
747 case OID_GEN_XMIT_OK:
748 *((le32 *) outbuf) = cpu_to_le32(0);
749 return sizeof(le32);
750
751
752 case OID_GEN_RCV_OK:
753 *((le32 *) outbuf) = cpu_to_le32(0);
754 return sizeof(le32);
755
756
757 case OID_GEN_XMIT_ERROR:
758 *((le32 *) outbuf) = cpu_to_le32(0);
759 return sizeof(le32);
760
761
762 case OID_GEN_RCV_ERROR:
763 *((le32 *) outbuf) = cpu_to_le32(0);
764 return sizeof(le32);
765
766
767 case OID_GEN_RCV_NO_BUFFER:
768 *((le32 *) outbuf) = cpu_to_le32(0);
769 return sizeof(le32);
770
771
772
773 case OID_802_3_PERMANENT_ADDRESS:
774 memcpy(outbuf, s->conf.macaddr.a, 6);
775 return 6;
776
777
778 case OID_802_3_CURRENT_ADDRESS:
779 memcpy(outbuf, s->conf.macaddr.a, 6);
780 return 6;
781
782
783 case OID_802_3_MULTICAST_LIST:
784 *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
785 return sizeof(le32);
786
787
788 case OID_802_3_MAXIMUM_LIST_SIZE:
789 *((le32 *) outbuf) = cpu_to_le32(1);
790 return sizeof(le32);
791
792 case OID_802_3_MAC_OPTIONS:
793 return 0;
794
795
796
797 case OID_802_3_RCV_ERROR_ALIGNMENT:
798 *((le32 *) outbuf) = cpu_to_le32(0);
799 return sizeof(le32);
800
801
802 case OID_802_3_XMIT_ONE_COLLISION:
803 *((le32 *) outbuf) = cpu_to_le32(0);
804 return sizeof(le32);
805
806
807 case OID_802_3_XMIT_MORE_COLLISIONS:
808 *((le32 *) outbuf) = cpu_to_le32(0);
809 return sizeof(le32);
810
811 default:
812 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
813 return 0;
814 }
815 return -1;
816}
817
818static int ndis_set(USBNetState *s, uint32_t oid,
819 uint8_t *inbuf, unsigned int inlen)
820{
821 switch (oid) {
822 case OID_GEN_CURRENT_PACKET_FILTER:
823 s->filter = le32_to_cpup((le32 *) inbuf);
824 if (s->filter) {
825 s->rndis_state = RNDIS_DATA_INITIALIZED;
826 } else {
827 s->rndis_state = RNDIS_INITIALIZED;
828 }
829 return 0;
830
831 case OID_802_3_MULTICAST_LIST:
832 return 0;
833 }
834 return -1;
835}
836
837static int rndis_get_response(USBNetState *s, uint8_t *buf)
838{
839 int ret = 0;
840 struct rndis_response *r = s->rndis_resp.tqh_first;
841
842 if (!r)
843 return ret;
844
845 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
846 ret = r->length;
847 memcpy(buf, r->buf, r->length);
848 g_free(r);
849
850 return ret;
851}
852
853static void *rndis_queue_response(USBNetState *s, unsigned int length)
854{
855 struct rndis_response *r =
856 g_malloc0(sizeof(struct rndis_response) + length);
857
858 if (QTAILQ_EMPTY(&s->rndis_resp)) {
859 usb_wakeup(s->intr, 0);
860 }
861
862 QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
863 r->length = length;
864
865 return &r->buf[0];
866}
867
868static void rndis_clear_responsequeue(USBNetState *s)
869{
870 struct rndis_response *r;
871
872 while ((r = s->rndis_resp.tqh_first)) {
873 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
874 g_free(r);
875 }
876}
877
878static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
879{
880 rndis_init_cmplt_type *resp =
881 rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
882
883 if (!resp)
884 return USB_RET_STALL;
885
886 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
887 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
888 resp->RequestID = buf->RequestID;
889 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
890 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
891 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
892 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
893 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
894 resp->MaxPacketsPerTransfer = cpu_to_le32(1);
895 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
896 sizeof(struct rndis_packet_msg_type) + 22);
897 resp->PacketAlignmentFactor = cpu_to_le32(0);
898 resp->AFListOffset = cpu_to_le32(0);
899 resp->AFListSize = cpu_to_le32(0);
900 return 0;
901}
902
903static int rndis_query_response(USBNetState *s,
904 rndis_query_msg_type *buf, unsigned int length)
905{
906 rndis_query_cmplt_type *resp;
907
908 uint8_t infobuf[sizeof(oid_supported_list)];
909 uint32_t bufoffs, buflen;
910 int infobuflen;
911 unsigned int resplen;
912
913 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
914 buflen = le32_to_cpu(buf->InformationBufferLength);
915 if (bufoffs + buflen > length)
916 return USB_RET_STALL;
917
918 infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
919 bufoffs + (uint8_t *) buf, buflen, infobuf,
920 sizeof(infobuf));
921 resplen = sizeof(rndis_query_cmplt_type) +
922 ((infobuflen < 0) ? 0 : infobuflen);
923 resp = rndis_queue_response(s, resplen);
924 if (!resp)
925 return USB_RET_STALL;
926
927 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
928 resp->RequestID = buf->RequestID;
929 resp->MessageLength = cpu_to_le32(resplen);
930
931 if (infobuflen < 0) {
932
933 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
934 resp->InformationBufferLength = cpu_to_le32(0);
935 resp->InformationBufferOffset = cpu_to_le32(0);
936 return 0;
937 }
938
939 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
940 resp->InformationBufferOffset =
941 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
942 resp->InformationBufferLength = cpu_to_le32(infobuflen);
943 memcpy(resp + 1, infobuf, infobuflen);
944
945 return 0;
946}
947
948static int rndis_set_response(USBNetState *s,
949 rndis_set_msg_type *buf, unsigned int length)
950{
951 rndis_set_cmplt_type *resp =
952 rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
953 uint32_t bufoffs, buflen;
954 int ret;
955
956 if (!resp)
957 return USB_RET_STALL;
958
959 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
960 buflen = le32_to_cpu(buf->InformationBufferLength);
961 if (bufoffs + buflen > length)
962 return USB_RET_STALL;
963
964 ret = ndis_set(s, le32_to_cpu(buf->OID),
965 bufoffs + (uint8_t *) buf, buflen);
966 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
967 resp->RequestID = buf->RequestID;
968 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
969 if (ret < 0) {
970
971 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
972 return 0;
973 }
974 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
975
976 return 0;
977}
978
979static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
980{
981 rndis_reset_cmplt_type *resp =
982 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
983
984 if (!resp)
985 return USB_RET_STALL;
986
987 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
988 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
989 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
990 resp->AddressingReset = cpu_to_le32(1);
991
992 return 0;
993}
994
995static int rndis_keepalive_response(USBNetState *s,
996 rndis_keepalive_msg_type *buf)
997{
998 rndis_keepalive_cmplt_type *resp =
999 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
1000
1001 if (!resp)
1002 return USB_RET_STALL;
1003
1004 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
1005 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
1006 resp->RequestID = buf->RequestID;
1007 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1008
1009 return 0;
1010}
1011
1012
1013static void usb_net_reset_in_buf(USBNetState *s)
1014{
1015 s->in_ptr = s->in_len = 0;
1016 qemu_flush_queued_packets(qemu_get_queue(s->nic));
1017}
1018
1019static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1020{
1021 uint32_t msg_type;
1022 le32 *tmp = (le32 *) data;
1023
1024 msg_type = le32_to_cpup(tmp);
1025
1026 switch (msg_type) {
1027 case RNDIS_INITIALIZE_MSG:
1028 s->rndis_state = RNDIS_INITIALIZED;
1029 return rndis_init_response(s, (rndis_init_msg_type *) data);
1030
1031 case RNDIS_HALT_MSG:
1032 s->rndis_state = RNDIS_UNINITIALIZED;
1033 return 0;
1034
1035 case RNDIS_QUERY_MSG:
1036 return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1037
1038 case RNDIS_SET_MSG:
1039 return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1040
1041 case RNDIS_RESET_MSG:
1042 rndis_clear_responsequeue(s);
1043 s->out_ptr = 0;
1044 usb_net_reset_in_buf(s);
1045 return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1046
1047 case RNDIS_KEEPALIVE_MSG:
1048
1049 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1050 }
1051
1052 return USB_RET_STALL;
1053}
1054
1055static void usb_net_handle_reset(USBDevice *dev)
1056{
1057}
1058
1059static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
1060 int request, int value, int index, int length, uint8_t *data)
1061{
1062 USBNetState *s = (USBNetState *) dev;
1063 int ret;
1064
1065 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
1066 if (ret >= 0) {
1067 return;
1068 }
1069
1070 switch(request) {
1071 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1072 if (!is_rndis(s) || value || index != 0) {
1073 goto fail;
1074 }
1075#ifdef TRAFFIC_DEBUG
1076 {
1077 unsigned int i;
1078 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1079 for (i = 0; i < length; i++) {
1080 if (!(i & 15))
1081 fprintf(stderr, "\n%04x:", i);
1082 fprintf(stderr, " %02x", data[i]);
1083 }
1084 fprintf(stderr, "\n\n");
1085 }
1086#endif
1087 ret = rndis_parse(s, data, length);
1088 if (ret < 0) {
1089 p->status = ret;
1090 }
1091 break;
1092
1093 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1094 if (!is_rndis(s) || value || index != 0) {
1095 goto fail;
1096 }
1097 p->actual_length = rndis_get_response(s, data);
1098 if (p->actual_length == 0) {
1099 data[0] = 0;
1100 p->actual_length = 1;
1101 }
1102#ifdef TRAFFIC_DEBUG
1103 {
1104 unsigned int i;
1105 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1106 for (i = 0; i < p->actual_length; i++) {
1107 if (!(i & 15))
1108 fprintf(stderr, "\n%04x:", i);
1109 fprintf(stderr, " %02x", data[i]);
1110 }
1111 fprintf(stderr, "\n\n");
1112 }
1113#endif
1114 break;
1115
1116 default:
1117 fail:
1118 fprintf(stderr, "usbnet: failed control transaction: "
1119 "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1120 request, value, index, length);
1121 p->status = USB_RET_STALL;
1122 break;
1123 }
1124}
1125
1126static void usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1127{
1128 le32 buf[2];
1129
1130 if (p->iov.size < 8) {
1131 p->status = USB_RET_STALL;
1132 return;
1133 }
1134
1135 buf[0] = cpu_to_le32(1);
1136 buf[1] = cpu_to_le32(0);
1137 usb_packet_copy(p, buf, 8);
1138 if (!s->rndis_resp.tqh_first) {
1139 p->status = USB_RET_NAK;
1140 }
1141
1142#ifdef TRAFFIC_DEBUG
1143 fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
1144 p->iov.size, p->status);
1145 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status);
1146#endif
1147}
1148
1149static void usb_net_handle_datain(USBNetState *s, USBPacket *p)
1150{
1151 int len;
1152
1153 if (s->in_ptr > s->in_len) {
1154 usb_net_reset_in_buf(s);
1155 p->status = USB_RET_NAK;
1156 return;
1157 }
1158 if (!s->in_len) {
1159 p->status = USB_RET_NAK;
1160 return;
1161 }
1162 len = s->in_len - s->in_ptr;
1163 if (len > p->iov.size) {
1164 len = p->iov.size;
1165 }
1166 usb_packet_copy(p, &s->in_buf[s->in_ptr], len);
1167 s->in_ptr += len;
1168 if (s->in_ptr >= s->in_len &&
1169 (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) {
1170
1171 usb_net_reset_in_buf(s);
1172 }
1173
1174#ifdef TRAFFIC_DEBUG
1175 fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len);
1176 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len);
1177#endif
1178}
1179
1180static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1181{
1182 int sz = sizeof(s->out_buf) - s->out_ptr;
1183 struct rndis_packet_msg_type *msg =
1184 (struct rndis_packet_msg_type *) s->out_buf;
1185 uint32_t len;
1186
1187#ifdef TRAFFIC_DEBUG
1188 fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
1189 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
1190#endif
1191
1192 if (sz > p->iov.size) {
1193 sz = p->iov.size;
1194 }
1195 usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
1196 s->out_ptr += sz;
1197
1198 if (!is_rndis(s)) {
1199 if (p->iov.size < 64) {
1200 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr);
1201 s->out_ptr = 0;
1202 }
1203 return;
1204 }
1205 len = le32_to_cpu(msg->MessageLength);
1206 if (s->out_ptr < 8 || s->out_ptr < len) {
1207 return;
1208 }
1209 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1210 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1211 uint32_t size = le32_to_cpu(msg->DataLength);
1212 if (offs + size <= len)
1213 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size);
1214 }
1215 s->out_ptr -= len;
1216 memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1217}
1218
1219static void usb_net_handle_data(USBDevice *dev, USBPacket *p)
1220{
1221 USBNetState *s = (USBNetState *) dev;
1222
1223 switch(p->pid) {
1224 case USB_TOKEN_IN:
1225 switch (p->ep->nr) {
1226 case 1:
1227 usb_net_handle_statusin(s, p);
1228 break;
1229
1230 case 2:
1231 usb_net_handle_datain(s, p);
1232 break;
1233
1234 default:
1235 goto fail;
1236 }
1237 break;
1238
1239 case USB_TOKEN_OUT:
1240 switch (p->ep->nr) {
1241 case 2:
1242 usb_net_handle_dataout(s, p);
1243 break;
1244
1245 default:
1246 goto fail;
1247 }
1248 break;
1249
1250 default:
1251 fail:
1252 p->status = USB_RET_STALL;
1253 break;
1254 }
1255
1256 if (p->status == USB_RET_STALL) {
1257 fprintf(stderr, "usbnet: failed data transaction: "
1258 "pid 0x%x ep 0x%x len 0x%zx\n",
1259 p->pid, p->ep->nr, p->iov.size);
1260 }
1261}
1262
1263static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
1264{
1265 USBNetState *s = qemu_get_nic_opaque(nc);
1266 uint8_t *in_buf = s->in_buf;
1267 size_t total_size = size;
1268
1269 if (is_rndis(s)) {
1270 if (s->rndis_state != RNDIS_DATA_INITIALIZED) {
1271 return -1;
1272 }
1273 total_size += sizeof(struct rndis_packet_msg_type);
1274 }
1275 if (total_size > sizeof(s->in_buf)) {
1276 return -1;
1277 }
1278
1279
1280 if (s->in_len > 0) {
1281 return 0;
1282 }
1283
1284 if (is_rndis(s)) {
1285 struct rndis_packet_msg_type *msg;
1286
1287 msg = (struct rndis_packet_msg_type *)in_buf;
1288 memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1289 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1290 msg->MessageLength = cpu_to_le32(size + sizeof(*msg));
1291 msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8);
1292 msg->DataLength = cpu_to_le32(size);
1293
1294
1295
1296
1297
1298
1299
1300
1301 in_buf += sizeof(*msg);
1302 }
1303
1304 memcpy(in_buf, buf, size);
1305 s->in_len = total_size;
1306 s->in_ptr = 0;
1307 return size;
1308}
1309
1310static int usbnet_can_receive(NetClientState *nc)
1311{
1312 USBNetState *s = qemu_get_nic_opaque(nc);
1313
1314 if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) {
1315 return 1;
1316 }
1317
1318 return !s->in_len;
1319}
1320
1321static void usbnet_cleanup(NetClientState *nc)
1322{
1323 USBNetState *s = qemu_get_nic_opaque(nc);
1324
1325 s->nic = NULL;
1326}
1327
1328static void usb_net_handle_destroy(USBDevice *dev)
1329{
1330 USBNetState *s = (USBNetState *) dev;
1331
1332
1333 rndis_clear_responsequeue(s);
1334 qemu_del_nic(s->nic);
1335}
1336
1337static NetClientInfo net_usbnet_info = {
1338 .type = NET_CLIENT_OPTIONS_KIND_NIC,
1339 .size = sizeof(NICState),
1340 .can_receive = usbnet_can_receive,
1341 .receive = usbnet_receive,
1342 .cleanup = usbnet_cleanup,
1343};
1344
1345static int usb_net_initfn(USBDevice *dev)
1346{
1347 USBNetState *s = DO_UPCAST(USBNetState, dev, dev);
1348
1349 usb_desc_create_serial(dev);
1350 usb_desc_init(dev);
1351
1352 s->rndis_state = RNDIS_UNINITIALIZED;
1353 QTAILQ_INIT(&s->rndis_resp);
1354
1355 s->medium = 0;
1356 s->speed = 1000000;
1357 s->media_state = 0; ;
1358 s->filter = 0;
1359 s->vendorid = 0x1234;
1360 s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
1361
1362 qemu_macaddr_default_if_unset(&s->conf.macaddr);
1363 s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1364 object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
1365 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
1366 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1367 "%02x%02x%02x%02x%02x%02x",
1368 0x40,
1369 s->conf.macaddr.a[1],
1370 s->conf.macaddr.a[2],
1371 s->conf.macaddr.a[3],
1372 s->conf.macaddr.a[4],
1373 s->conf.macaddr.a[5]);
1374 usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1375
1376 add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0");
1377 return 0;
1378}
1379
1380static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
1381{
1382 Error *local_err = NULL;
1383 USBDevice *dev;
1384 QemuOpts *opts;
1385 int idx;
1386
1387 opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0);
1388 if (!opts) {
1389 return NULL;
1390 }
1391 qemu_opt_set(opts, "type", "nic");
1392 qemu_opt_set(opts, "model", "usb");
1393
1394 idx = net_client_init(opts, 0, &local_err);
1395 if (error_is_set(&local_err)) {
1396 qerror_report_err(local_err);
1397 error_free(local_err);
1398 return NULL;
1399 }
1400
1401 dev = usb_create(bus, "usb-net");
1402 if (!dev) {
1403 return NULL;
1404 }
1405 qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1406 qdev_init_nofail(&dev->qdev);
1407 return dev;
1408}
1409
1410static const VMStateDescription vmstate_usb_net = {
1411 .name = "usb-net",
1412 .unmigratable = 1,
1413};
1414
1415static Property net_properties[] = {
1416 DEFINE_NIC_PROPERTIES(USBNetState, conf),
1417 DEFINE_PROP_END_OF_LIST(),
1418};
1419
1420static void usb_net_class_initfn(ObjectClass *klass, void *data)
1421{
1422 DeviceClass *dc = DEVICE_CLASS(klass);
1423 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
1424
1425 uc->init = usb_net_initfn;
1426 uc->product_desc = "QEMU USB Network Interface";
1427 uc->usb_desc = &desc_net;
1428 uc->handle_reset = usb_net_handle_reset;
1429 uc->handle_control = usb_net_handle_control;
1430 uc->handle_data = usb_net_handle_data;
1431 uc->handle_destroy = usb_net_handle_destroy;
1432 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
1433 dc->fw_name = "network";
1434 dc->vmsd = &vmstate_usb_net;
1435 dc->props = net_properties;
1436}
1437
1438static const TypeInfo net_info = {
1439 .name = "usb-net",
1440 .parent = TYPE_USB_DEVICE,
1441 .instance_size = sizeof(USBNetState),
1442 .class_init = usb_net_class_initfn,
1443};
1444
1445static void usb_net_register_types(void)
1446{
1447 type_register_static(&net_info);
1448 usb_legacy_register("usb-net", "net", usb_net_init);
1449}
1450
1451type_init(usb_net_register_types)
1452
