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Merge remote-tracking branch 'aneesh/for-upstream' into staging
[mirror_qemu.git] / hw / usb / dev-network.c
1 /*
2 * QEMU USB Net devices
3 *
4 * Copyright (c) 2006 Thomas Sailer
5 * Copyright (c) 2008 Andrzej Zaborowski
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #include "qemu-common.h"
27 #include "hw/usb.h"
28 #include "hw/usb/desc.h"
29 #include "net.h"
30 #include "qemu-queue.h"
31 #include "sysemu.h"
32 #include "iov.h"
33
34 /*#define TRAFFIC_DEBUG*/
35 /* Thanks to NetChip Technologies for donating this product ID.
36 * It's for devices with only CDC Ethernet configurations.
37 */
38 #define CDC_VENDOR_NUM 0x0525 /* NetChip */
39 #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */
40 /* For hardware that can talk RNDIS and either of the above protocols,
41 * use this ID ... the windows INF files will know it.
42 */
43 #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */
44 #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */
45
46 enum usbstring_idx {
47 STRING_MANUFACTURER = 1,
48 STRING_PRODUCT,
49 STRING_ETHADDR,
50 STRING_DATA,
51 STRING_CONTROL,
52 STRING_RNDIS_CONTROL,
53 STRING_CDC,
54 STRING_SUBSET,
55 STRING_RNDIS,
56 STRING_SERIALNUMBER,
57 };
58
59 #define DEV_CONFIG_VALUE 1 /* CDC or a subset */
60 #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */
61
62 #define USB_CDC_SUBCLASS_ACM 0x02
63 #define USB_CDC_SUBCLASS_ETHERNET 0x06
64
65 #define USB_CDC_PROTO_NONE 0
66 #define USB_CDC_ACM_PROTO_VENDOR 0xff
67
68 #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
69 #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
70 #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
71 #define USB_CDC_UNION_TYPE 0x06 /* union_desc */
72 #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
73
74 #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
75 #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
76 #define USB_CDC_REQ_SET_LINE_CODING 0x20
77 #define USB_CDC_REQ_GET_LINE_CODING 0x21
78 #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
79 #define USB_CDC_REQ_SEND_BREAK 0x23
80 #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
81 #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
82 #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
83 #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
84 #define USB_CDC_GET_ETHERNET_STATISTIC 0x44
85
86 #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
87 #define STATUS_BYTECOUNT 16 /* 8 byte header + data */
88
89 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
90
91 static const USBDescStrings usb_net_stringtable = {
92 [STRING_MANUFACTURER] = "QEMU",
93 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
94 [STRING_ETHADDR] = "400102030405",
95 [STRING_DATA] = "QEMU USB Net Data Interface",
96 [STRING_CONTROL] = "QEMU USB Net Control Interface",
97 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
98 [STRING_CDC] = "QEMU USB Net CDC",
99 [STRING_SUBSET] = "QEMU USB Net Subset",
100 [STRING_RNDIS] = "QEMU USB Net RNDIS",
101 [STRING_SERIALNUMBER] = "1",
102 };
103
104 static const USBDescIface desc_iface_rndis[] = {
105 {
106 /* RNDIS Control Interface */
107 .bInterfaceNumber = 0,
108 .bNumEndpoints = 1,
109 .bInterfaceClass = USB_CLASS_COMM,
110 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
111 .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR,
112 .iInterface = STRING_RNDIS_CONTROL,
113 .ndesc = 4,
114 .descs = (USBDescOther[]) {
115 {
116 /* Header Descriptor */
117 .data = (uint8_t[]) {
118 0x05, /* u8 bLength */
119 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
120 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
121 0x10, 0x01, /* le16 bcdCDC */
122 },
123 },{
124 /* Call Management Descriptor */
125 .data = (uint8_t[]) {
126 0x05, /* u8 bLength */
127 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
128 USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
129 0x00, /* u8 bmCapabilities */
130 0x01, /* u8 bDataInterface */
131 },
132 },{
133 /* ACM Descriptor */
134 .data = (uint8_t[]) {
135 0x04, /* u8 bLength */
136 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
137 USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
138 0x00, /* u8 bmCapabilities */
139 },
140 },{
141 /* Union Descriptor */
142 .data = (uint8_t[]) {
143 0x05, /* u8 bLength */
144 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
145 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
146 0x00, /* u8 bMasterInterface0 */
147 0x01, /* u8 bSlaveInterface0 */
148 },
149 },
150 },
151 .eps = (USBDescEndpoint[]) {
152 {
153 .bEndpointAddress = USB_DIR_IN | 0x01,
154 .bmAttributes = USB_ENDPOINT_XFER_INT,
155 .wMaxPacketSize = STATUS_BYTECOUNT,
156 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
157 },
158 }
159 },{
160 /* RNDIS Data Interface */
161 .bInterfaceNumber = 1,
162 .bNumEndpoints = 2,
163 .bInterfaceClass = USB_CLASS_CDC_DATA,
164 .iInterface = STRING_DATA,
165 .eps = (USBDescEndpoint[]) {
166 {
167 .bEndpointAddress = USB_DIR_IN | 0x02,
168 .bmAttributes = USB_ENDPOINT_XFER_BULK,
169 .wMaxPacketSize = 0x40,
170 },{
171 .bEndpointAddress = USB_DIR_OUT | 0x02,
172 .bmAttributes = USB_ENDPOINT_XFER_BULK,
173 .wMaxPacketSize = 0x40,
174 }
175 }
176 }
177 };
178
179 static const USBDescIface desc_iface_cdc[] = {
180 {
181 /* CDC Control Interface */
182 .bInterfaceNumber = 0,
183 .bNumEndpoints = 1,
184 .bInterfaceClass = USB_CLASS_COMM,
185 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
186 .bInterfaceProtocol = USB_CDC_PROTO_NONE,
187 .iInterface = STRING_CONTROL,
188 .ndesc = 3,
189 .descs = (USBDescOther[]) {
190 {
191 /* Header Descriptor */
192 .data = (uint8_t[]) {
193 0x05, /* u8 bLength */
194 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
195 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
196 0x10, 0x01, /* le16 bcdCDC */
197 },
198 },{
199 /* Union Descriptor */
200 .data = (uint8_t[]) {
201 0x05, /* u8 bLength */
202 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
203 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
204 0x00, /* u8 bMasterInterface0 */
205 0x01, /* u8 bSlaveInterface0 */
206 },
207 },{
208 /* Ethernet Descriptor */
209 .data = (uint8_t[]) {
210 0x0d, /* u8 bLength */
211 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
212 USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */
213 STRING_ETHADDR, /* u8 iMACAddress */
214 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */
215 ETH_FRAME_LEN & 0xff,
216 ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */
217 0x00, 0x00, /* le16 wNumberMCFilters */
218 0x00, /* u8 bNumberPowerFilters */
219 },
220 },
221 },
222 .eps = (USBDescEndpoint[]) {
223 {
224 .bEndpointAddress = USB_DIR_IN | 0x01,
225 .bmAttributes = USB_ENDPOINT_XFER_INT,
226 .wMaxPacketSize = STATUS_BYTECOUNT,
227 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
228 },
229 }
230 },{
231 /* CDC Data Interface (off) */
232 .bInterfaceNumber = 1,
233 .bAlternateSetting = 0,
234 .bNumEndpoints = 0,
235 .bInterfaceClass = USB_CLASS_CDC_DATA,
236 },{
237 /* CDC Data Interface */
238 .bInterfaceNumber = 1,
239 .bAlternateSetting = 1,
240 .bNumEndpoints = 2,
241 .bInterfaceClass = USB_CLASS_CDC_DATA,
242 .iInterface = STRING_DATA,
243 .eps = (USBDescEndpoint[]) {
244 {
245 .bEndpointAddress = USB_DIR_IN | 0x02,
246 .bmAttributes = USB_ENDPOINT_XFER_BULK,
247 .wMaxPacketSize = 0x40,
248 },{
249 .bEndpointAddress = USB_DIR_OUT | 0x02,
250 .bmAttributes = USB_ENDPOINT_XFER_BULK,
251 .wMaxPacketSize = 0x40,
252 }
253 }
254 }
255 };
256
257 static const USBDescDevice desc_device_net = {
258 .bcdUSB = 0x0200,
259 .bDeviceClass = USB_CLASS_COMM,
260 .bMaxPacketSize0 = 0x40,
261 .bNumConfigurations = 2,
262 .confs = (USBDescConfig[]) {
263 {
264 .bNumInterfaces = 2,
265 .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE,
266 .iConfiguration = STRING_RNDIS,
267 .bmAttributes = 0xc0,
268 .bMaxPower = 0x32,
269 .nif = ARRAY_SIZE(desc_iface_rndis),
270 .ifs = desc_iface_rndis,
271 },{
272 .bNumInterfaces = 2,
273 .bConfigurationValue = DEV_CONFIG_VALUE,
274 .iConfiguration = STRING_CDC,
275 .bmAttributes = 0xc0,
276 .bMaxPower = 0x32,
277 .nif = ARRAY_SIZE(desc_iface_cdc),
278 .ifs = desc_iface_cdc,
279 }
280 },
281 };
282
283 static const USBDesc desc_net = {
284 .id = {
285 .idVendor = RNDIS_VENDOR_NUM,
286 .idProduct = RNDIS_PRODUCT_NUM,
287 .bcdDevice = 0,
288 .iManufacturer = STRING_MANUFACTURER,
289 .iProduct = STRING_PRODUCT,
290 .iSerialNumber = STRING_SERIALNUMBER,
291 },
292 .full = &desc_device_net,
293 .str = usb_net_stringtable,
294 };
295
296 /*
297 * RNDIS Definitions - in theory not specific to USB.
298 */
299 #define RNDIS_MAXIMUM_FRAME_SIZE 1518
300 #define RNDIS_MAX_TOTAL_SIZE 1558
301
302 /* Remote NDIS Versions */
303 #define RNDIS_MAJOR_VERSION 1
304 #define RNDIS_MINOR_VERSION 0
305
306 /* Status Values */
307 #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */
308 #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */
309 #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */
310 #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */
311 #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */
312 #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */
313
314 /* Message Set for Connectionless (802.3) Devices */
315 enum {
316 RNDIS_PACKET_MSG = 1,
317 RNDIS_INITIALIZE_MSG = 2, /* Initialize device */
318 RNDIS_HALT_MSG = 3,
319 RNDIS_QUERY_MSG = 4,
320 RNDIS_SET_MSG = 5,
321 RNDIS_RESET_MSG = 6,
322 RNDIS_INDICATE_STATUS_MSG = 7,
323 RNDIS_KEEPALIVE_MSG = 8,
324 };
325
326 /* Message completion */
327 enum {
328 RNDIS_INITIALIZE_CMPLT = 0x80000002U,
329 RNDIS_QUERY_CMPLT = 0x80000004U,
330 RNDIS_SET_CMPLT = 0x80000005U,
331 RNDIS_RESET_CMPLT = 0x80000006U,
332 RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
333 };
334
335 /* Device Flags */
336 enum {
337 RNDIS_DF_CONNECTIONLESS = 1,
338 RNDIS_DF_CONNECTIONORIENTED = 2,
339 };
340
341 #define RNDIS_MEDIUM_802_3 0x00000000U
342
343 /* from drivers/net/sk98lin/h/skgepnmi.h */
344 #define OID_PNP_CAPABILITIES 0xfd010100
345 #define OID_PNP_SET_POWER 0xfd010101
346 #define OID_PNP_QUERY_POWER 0xfd010102
347 #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
348 #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
349 #define OID_PNP_ENABLE_WAKE_UP 0xfd010106
350
351 typedef uint32_t le32;
352
353 typedef struct rndis_init_msg_type {
354 le32 MessageType;
355 le32 MessageLength;
356 le32 RequestID;
357 le32 MajorVersion;
358 le32 MinorVersion;
359 le32 MaxTransferSize;
360 } rndis_init_msg_type;
361
362 typedef struct rndis_init_cmplt_type {
363 le32 MessageType;
364 le32 MessageLength;
365 le32 RequestID;
366 le32 Status;
367 le32 MajorVersion;
368 le32 MinorVersion;
369 le32 DeviceFlags;
370 le32 Medium;
371 le32 MaxPacketsPerTransfer;
372 le32 MaxTransferSize;
373 le32 PacketAlignmentFactor;
374 le32 AFListOffset;
375 le32 AFListSize;
376 } rndis_init_cmplt_type;
377
378 typedef struct rndis_halt_msg_type {
379 le32 MessageType;
380 le32 MessageLength;
381 le32 RequestID;
382 } rndis_halt_msg_type;
383
384 typedef struct rndis_query_msg_type {
385 le32 MessageType;
386 le32 MessageLength;
387 le32 RequestID;
388 le32 OID;
389 le32 InformationBufferLength;
390 le32 InformationBufferOffset;
391 le32 DeviceVcHandle;
392 } rndis_query_msg_type;
393
394 typedef struct rndis_query_cmplt_type {
395 le32 MessageType;
396 le32 MessageLength;
397 le32 RequestID;
398 le32 Status;
399 le32 InformationBufferLength;
400 le32 InformationBufferOffset;
401 } rndis_query_cmplt_type;
402
403 typedef struct rndis_set_msg_type {
404 le32 MessageType;
405 le32 MessageLength;
406 le32 RequestID;
407 le32 OID;
408 le32 InformationBufferLength;
409 le32 InformationBufferOffset;
410 le32 DeviceVcHandle;
411 } rndis_set_msg_type;
412
413 typedef struct rndis_set_cmplt_type {
414 le32 MessageType;
415 le32 MessageLength;
416 le32 RequestID;
417 le32 Status;
418 } rndis_set_cmplt_type;
419
420 typedef struct rndis_reset_msg_type {
421 le32 MessageType;
422 le32 MessageLength;
423 le32 Reserved;
424 } rndis_reset_msg_type;
425
426 typedef struct rndis_reset_cmplt_type {
427 le32 MessageType;
428 le32 MessageLength;
429 le32 Status;
430 le32 AddressingReset;
431 } rndis_reset_cmplt_type;
432
433 typedef struct rndis_indicate_status_msg_type {
434 le32 MessageType;
435 le32 MessageLength;
436 le32 Status;
437 le32 StatusBufferLength;
438 le32 StatusBufferOffset;
439 } rndis_indicate_status_msg_type;
440
441 typedef struct rndis_keepalive_msg_type {
442 le32 MessageType;
443 le32 MessageLength;
444 le32 RequestID;
445 } rndis_keepalive_msg_type;
446
447 typedef struct rndis_keepalive_cmplt_type {
448 le32 MessageType;
449 le32 MessageLength;
450 le32 RequestID;
451 le32 Status;
452 } rndis_keepalive_cmplt_type;
453
454 struct rndis_packet_msg_type {
455 le32 MessageType;
456 le32 MessageLength;
457 le32 DataOffset;
458 le32 DataLength;
459 le32 OOBDataOffset;
460 le32 OOBDataLength;
461 le32 NumOOBDataElements;
462 le32 PerPacketInfoOffset;
463 le32 PerPacketInfoLength;
464 le32 VcHandle;
465 le32 Reserved;
466 };
467
468 struct rndis_config_parameter {
469 le32 ParameterNameOffset;
470 le32 ParameterNameLength;
471 le32 ParameterType;
472 le32 ParameterValueOffset;
473 le32 ParameterValueLength;
474 };
475
476 /* implementation specific */
477 enum rndis_state
478 {
479 RNDIS_UNINITIALIZED,
480 RNDIS_INITIALIZED,
481 RNDIS_DATA_INITIALIZED,
482 };
483
484 /* from ndis.h */
485 enum ndis_oid {
486 /* Required Object IDs (OIDs) */
487 OID_GEN_SUPPORTED_LIST = 0x00010101,
488 OID_GEN_HARDWARE_STATUS = 0x00010102,
489 OID_GEN_MEDIA_SUPPORTED = 0x00010103,
490 OID_GEN_MEDIA_IN_USE = 0x00010104,
491 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
492 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
493 OID_GEN_LINK_SPEED = 0x00010107,
494 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
495 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
496 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
497 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
498 OID_GEN_VENDOR_ID = 0x0001010c,
499 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
500 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
501 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
502 OID_GEN_DRIVER_VERSION = 0x00010110,
503 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
504 OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
505 OID_GEN_MAC_OPTIONS = 0x00010113,
506 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
507 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
508 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
509 OID_GEN_SUPPORTED_GUIDS = 0x00010117,
510 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
511 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
512 OID_GEN_MACHINE_NAME = 0x0001021a,
513 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
514 OID_GEN_VLAN_ID = 0x0001021c,
515
516 /* Optional OIDs */
517 OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
518 OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
519
520 /* Required statistics OIDs */
521 OID_GEN_XMIT_OK = 0x00020101,
522 OID_GEN_RCV_OK = 0x00020102,
523 OID_GEN_XMIT_ERROR = 0x00020103,
524 OID_GEN_RCV_ERROR = 0x00020104,
525 OID_GEN_RCV_NO_BUFFER = 0x00020105,
526
527 /* Optional statistics OIDs */
528 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
529 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
530 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
531 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
532 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
533 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
534 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
535 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
536 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
537 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
538 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
539 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
540 OID_GEN_RCV_CRC_ERROR = 0x0002020d,
541 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
542 OID_GEN_GET_TIME_CAPS = 0x0002020f,
543 OID_GEN_GET_NETCARD_TIME = 0x00020210,
544 OID_GEN_NETCARD_LOAD = 0x00020211,
545 OID_GEN_DEVICE_PROFILE = 0x00020212,
546 OID_GEN_INIT_TIME_MS = 0x00020213,
547 OID_GEN_RESET_COUNTS = 0x00020214,
548 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
549 OID_GEN_FRIENDLY_NAME = 0x00020216,
550 OID_GEN_MINIPORT_INFO = 0x00020217,
551 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
552
553 /* IEEE 802.3 (Ethernet) OIDs */
554 OID_802_3_PERMANENT_ADDRESS = 0x01010101,
555 OID_802_3_CURRENT_ADDRESS = 0x01010102,
556 OID_802_3_MULTICAST_LIST = 0x01010103,
557 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
558 OID_802_3_MAC_OPTIONS = 0x01010105,
559 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
560 OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
561 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
562 OID_802_3_XMIT_DEFERRED = 0x01020201,
563 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
564 OID_802_3_RCV_OVERRUN = 0x01020203,
565 OID_802_3_XMIT_UNDERRUN = 0x01020204,
566 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
567 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
568 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
569 };
570
571 static const uint32_t oid_supported_list[] =
572 {
573 /* the general stuff */
574 OID_GEN_SUPPORTED_LIST,
575 OID_GEN_HARDWARE_STATUS,
576 OID_GEN_MEDIA_SUPPORTED,
577 OID_GEN_MEDIA_IN_USE,
578 OID_GEN_MAXIMUM_FRAME_SIZE,
579 OID_GEN_LINK_SPEED,
580 OID_GEN_TRANSMIT_BLOCK_SIZE,
581 OID_GEN_RECEIVE_BLOCK_SIZE,
582 OID_GEN_VENDOR_ID,
583 OID_GEN_VENDOR_DESCRIPTION,
584 OID_GEN_VENDOR_DRIVER_VERSION,
585 OID_GEN_CURRENT_PACKET_FILTER,
586 OID_GEN_MAXIMUM_TOTAL_SIZE,
587 OID_GEN_MEDIA_CONNECT_STATUS,
588 OID_GEN_PHYSICAL_MEDIUM,
589
590 /* the statistical stuff */
591 OID_GEN_XMIT_OK,
592 OID_GEN_RCV_OK,
593 OID_GEN_XMIT_ERROR,
594 OID_GEN_RCV_ERROR,
595 OID_GEN_RCV_NO_BUFFER,
596
597 /* IEEE 802.3 */
598 /* the general stuff */
599 OID_802_3_PERMANENT_ADDRESS,
600 OID_802_3_CURRENT_ADDRESS,
601 OID_802_3_MULTICAST_LIST,
602 OID_802_3_MAC_OPTIONS,
603 OID_802_3_MAXIMUM_LIST_SIZE,
604
605 /* the statistical stuff */
606 OID_802_3_RCV_ERROR_ALIGNMENT,
607 OID_802_3_XMIT_ONE_COLLISION,
608 OID_802_3_XMIT_MORE_COLLISIONS,
609 };
610
611 #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
612 #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
613 #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
614 #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
615 #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
616 #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
617 #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
618
619 struct rndis_response {
620 QTAILQ_ENTRY(rndis_response) entries;
621 uint32_t length;
622 uint8_t buf[0];
623 };
624
625 typedef struct USBNetState {
626 USBDevice dev;
627
628 enum rndis_state rndis_state;
629 uint32_t medium;
630 uint32_t speed;
631 uint32_t media_state;
632 uint16_t filter;
633 uint32_t vendorid;
634
635 unsigned int out_ptr;
636 uint8_t out_buf[2048];
637
638 USBPacket *inpkt;
639 unsigned int in_ptr, in_len;
640 uint8_t in_buf[2048];
641
642 USBEndpoint *intr;
643
644 char usbstring_mac[13];
645 NICState *nic;
646 NICConf conf;
647 QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
648 } USBNetState;
649
650 static int is_rndis(USBNetState *s)
651 {
652 return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
653 }
654
655 static int ndis_query(USBNetState *s, uint32_t oid,
656 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
657 size_t outlen)
658 {
659 unsigned int i;
660
661 switch (oid) {
662 /* general oids (table 4-1) */
663 /* mandatory */
664 case OID_GEN_SUPPORTED_LIST:
665 for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
666 ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
667 return sizeof(oid_supported_list);
668
669 /* mandatory */
670 case OID_GEN_HARDWARE_STATUS:
671 *((le32 *) outbuf) = cpu_to_le32(0);
672 return sizeof(le32);
673
674 /* mandatory */
675 case OID_GEN_MEDIA_SUPPORTED:
676 *((le32 *) outbuf) = cpu_to_le32(s->medium);
677 return sizeof(le32);
678
679 /* mandatory */
680 case OID_GEN_MEDIA_IN_USE:
681 *((le32 *) outbuf) = cpu_to_le32(s->medium);
682 return sizeof(le32);
683
684 /* mandatory */
685 case OID_GEN_MAXIMUM_FRAME_SIZE:
686 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
687 return sizeof(le32);
688
689 /* mandatory */
690 case OID_GEN_LINK_SPEED:
691 *((le32 *) outbuf) = cpu_to_le32(s->speed);
692 return sizeof(le32);
693
694 /* mandatory */
695 case OID_GEN_TRANSMIT_BLOCK_SIZE:
696 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
697 return sizeof(le32);
698
699 /* mandatory */
700 case OID_GEN_RECEIVE_BLOCK_SIZE:
701 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
702 return sizeof(le32);
703
704 /* mandatory */
705 case OID_GEN_VENDOR_ID:
706 *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
707 return sizeof(le32);
708
709 /* mandatory */
710 case OID_GEN_VENDOR_DESCRIPTION:
711 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
712 return strlen((char *)outbuf) + 1;
713
714 case OID_GEN_VENDOR_DRIVER_VERSION:
715 *((le32 *) outbuf) = cpu_to_le32(1);
716 return sizeof(le32);
717
718 /* mandatory */
719 case OID_GEN_CURRENT_PACKET_FILTER:
720 *((le32 *) outbuf) = cpu_to_le32(s->filter);
721 return sizeof(le32);
722
723 /* mandatory */
724 case OID_GEN_MAXIMUM_TOTAL_SIZE:
725 *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
726 return sizeof(le32);
727
728 /* mandatory */
729 case OID_GEN_MEDIA_CONNECT_STATUS:
730 *((le32 *) outbuf) = cpu_to_le32(s->media_state);
731 return sizeof(le32);
732
733 case OID_GEN_PHYSICAL_MEDIUM:
734 *((le32 *) outbuf) = cpu_to_le32(0);
735 return sizeof(le32);
736
737 case OID_GEN_MAC_OPTIONS:
738 *((le32 *) outbuf) = cpu_to_le32(
739 NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
740 NDIS_MAC_OPTION_FULL_DUPLEX);
741 return sizeof(le32);
742
743 /* statistics OIDs (table 4-2) */
744 /* mandatory */
745 case OID_GEN_XMIT_OK:
746 *((le32 *) outbuf) = cpu_to_le32(0);
747 return sizeof(le32);
748
749 /* mandatory */
750 case OID_GEN_RCV_OK:
751 *((le32 *) outbuf) = cpu_to_le32(0);
752 return sizeof(le32);
753
754 /* mandatory */
755 case OID_GEN_XMIT_ERROR:
756 *((le32 *) outbuf) = cpu_to_le32(0);
757 return sizeof(le32);
758
759 /* mandatory */
760 case OID_GEN_RCV_ERROR:
761 *((le32 *) outbuf) = cpu_to_le32(0);
762 return sizeof(le32);
763
764 /* mandatory */
765 case OID_GEN_RCV_NO_BUFFER:
766 *((le32 *) outbuf) = cpu_to_le32(0);
767 return sizeof(le32);
768
769 /* ieee802.3 OIDs (table 4-3) */
770 /* mandatory */
771 case OID_802_3_PERMANENT_ADDRESS:
772 memcpy(outbuf, s->conf.macaddr.a, 6);
773 return 6;
774
775 /* mandatory */
776 case OID_802_3_CURRENT_ADDRESS:
777 memcpy(outbuf, s->conf.macaddr.a, 6);
778 return 6;
779
780 /* mandatory */
781 case OID_802_3_MULTICAST_LIST:
782 *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
783 return sizeof(le32);
784
785 /* mandatory */
786 case OID_802_3_MAXIMUM_LIST_SIZE:
787 *((le32 *) outbuf) = cpu_to_le32(1);
788 return sizeof(le32);
789
790 case OID_802_3_MAC_OPTIONS:
791 return 0;
792
793 /* ieee802.3 statistics OIDs (table 4-4) */
794 /* mandatory */
795 case OID_802_3_RCV_ERROR_ALIGNMENT:
796 *((le32 *) outbuf) = cpu_to_le32(0);
797 return sizeof(le32);
798
799 /* mandatory */
800 case OID_802_3_XMIT_ONE_COLLISION:
801 *((le32 *) outbuf) = cpu_to_le32(0);
802 return sizeof(le32);
803
804 /* mandatory */
805 case OID_802_3_XMIT_MORE_COLLISIONS:
806 *((le32 *) outbuf) = cpu_to_le32(0);
807 return sizeof(le32);
808
809 default:
810 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
811 return 0;
812 }
813 return -1;
814 }
815
816 static int ndis_set(USBNetState *s, uint32_t oid,
817 uint8_t *inbuf, unsigned int inlen)
818 {
819 switch (oid) {
820 case OID_GEN_CURRENT_PACKET_FILTER:
821 s->filter = le32_to_cpup((le32 *) inbuf);
822 if (s->filter) {
823 s->rndis_state = RNDIS_DATA_INITIALIZED;
824 } else {
825 s->rndis_state = RNDIS_INITIALIZED;
826 }
827 return 0;
828
829 case OID_802_3_MULTICAST_LIST:
830 return 0;
831 }
832 return -1;
833 }
834
835 static int rndis_get_response(USBNetState *s, uint8_t *buf)
836 {
837 int ret = 0;
838 struct rndis_response *r = s->rndis_resp.tqh_first;
839
840 if (!r)
841 return ret;
842
843 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
844 ret = r->length;
845 memcpy(buf, r->buf, r->length);
846 g_free(r);
847
848 return ret;
849 }
850
851 static void *rndis_queue_response(USBNetState *s, unsigned int length)
852 {
853 struct rndis_response *r =
854 g_malloc0(sizeof(struct rndis_response) + length);
855
856 if (QTAILQ_EMPTY(&s->rndis_resp)) {
857 usb_wakeup(s->intr);
858 }
859
860 QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
861 r->length = length;
862
863 return &r->buf[0];
864 }
865
866 static void rndis_clear_responsequeue(USBNetState *s)
867 {
868 struct rndis_response *r;
869
870 while ((r = s->rndis_resp.tqh_first)) {
871 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
872 g_free(r);
873 }
874 }
875
876 static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
877 {
878 rndis_init_cmplt_type *resp =
879 rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
880
881 if (!resp)
882 return USB_RET_STALL;
883
884 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
885 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
886 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
887 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
888 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
889 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
890 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
891 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
892 resp->MaxPacketsPerTransfer = cpu_to_le32(1);
893 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
894 sizeof(struct rndis_packet_msg_type) + 22);
895 resp->PacketAlignmentFactor = cpu_to_le32(0);
896 resp->AFListOffset = cpu_to_le32(0);
897 resp->AFListSize = cpu_to_le32(0);
898 return 0;
899 }
900
901 static int rndis_query_response(USBNetState *s,
902 rndis_query_msg_type *buf, unsigned int length)
903 {
904 rndis_query_cmplt_type *resp;
905 /* oid_supported_list is the largest data reply */
906 uint8_t infobuf[sizeof(oid_supported_list)];
907 uint32_t bufoffs, buflen;
908 int infobuflen;
909 unsigned int resplen;
910
911 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
912 buflen = le32_to_cpu(buf->InformationBufferLength);
913 if (bufoffs + buflen > length)
914 return USB_RET_STALL;
915
916 infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
917 bufoffs + (uint8_t *) buf, buflen, infobuf,
918 sizeof(infobuf));
919 resplen = sizeof(rndis_query_cmplt_type) +
920 ((infobuflen < 0) ? 0 : infobuflen);
921 resp = rndis_queue_response(s, resplen);
922 if (!resp)
923 return USB_RET_STALL;
924
925 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
926 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
927 resp->MessageLength = cpu_to_le32(resplen);
928
929 if (infobuflen < 0) {
930 /* OID not supported */
931 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
932 resp->InformationBufferLength = cpu_to_le32(0);
933 resp->InformationBufferOffset = cpu_to_le32(0);
934 return 0;
935 }
936
937 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
938 resp->InformationBufferOffset =
939 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
940 resp->InformationBufferLength = cpu_to_le32(infobuflen);
941 memcpy(resp + 1, infobuf, infobuflen);
942
943 return 0;
944 }
945
946 static int rndis_set_response(USBNetState *s,
947 rndis_set_msg_type *buf, unsigned int length)
948 {
949 rndis_set_cmplt_type *resp =
950 rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
951 uint32_t bufoffs, buflen;
952 int ret;
953
954 if (!resp)
955 return USB_RET_STALL;
956
957 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
958 buflen = le32_to_cpu(buf->InformationBufferLength);
959 if (bufoffs + buflen > length)
960 return USB_RET_STALL;
961
962 ret = ndis_set(s, le32_to_cpu(buf->OID),
963 bufoffs + (uint8_t *) buf, buflen);
964 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
965 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
966 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
967 if (ret < 0) {
968 /* OID not supported */
969 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
970 return 0;
971 }
972 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
973
974 return 0;
975 }
976
977 static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
978 {
979 rndis_reset_cmplt_type *resp =
980 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
981
982 if (!resp)
983 return USB_RET_STALL;
984
985 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
986 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
987 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
988 resp->AddressingReset = cpu_to_le32(1); /* reset information */
989
990 return 0;
991 }
992
993 static int rndis_keepalive_response(USBNetState *s,
994 rndis_keepalive_msg_type *buf)
995 {
996 rndis_keepalive_cmplt_type *resp =
997 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
998
999 if (!resp)
1000 return USB_RET_STALL;
1001
1002 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
1003 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
1004 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
1005 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1006
1007 return 0;
1008 }
1009
1010 /* Prepare to receive the next packet */
1011 static void usb_net_reset_in_buf(USBNetState *s)
1012 {
1013 s->in_ptr = s->in_len = 0;
1014 qemu_flush_queued_packets(&s->nic->nc);
1015 }
1016
1017 static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1018 {
1019 uint32_t msg_type;
1020 le32 *tmp = (le32 *) data;
1021
1022 msg_type = le32_to_cpup(tmp);
1023
1024 switch (msg_type) {
1025 case RNDIS_INITIALIZE_MSG:
1026 s->rndis_state = RNDIS_INITIALIZED;
1027 return rndis_init_response(s, (rndis_init_msg_type *) data);
1028
1029 case RNDIS_HALT_MSG:
1030 s->rndis_state = RNDIS_UNINITIALIZED;
1031 return 0;
1032
1033 case RNDIS_QUERY_MSG:
1034 return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1035
1036 case RNDIS_SET_MSG:
1037 return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1038
1039 case RNDIS_RESET_MSG:
1040 rndis_clear_responsequeue(s);
1041 s->out_ptr = 0;
1042 usb_net_reset_in_buf(s);
1043 return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1044
1045 case RNDIS_KEEPALIVE_MSG:
1046 /* For USB: host does this every 5 seconds */
1047 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1048 }
1049
1050 return USB_RET_STALL;
1051 }
1052
1053 static void usb_net_handle_reset(USBDevice *dev)
1054 {
1055 }
1056
1057 static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
1058 int request, int value, int index, int length, uint8_t *data)
1059 {
1060 USBNetState *s = (USBNetState *) dev;
1061 int ret;
1062
1063 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
1064 if (ret >= 0) {
1065 return;
1066 }
1067
1068 switch(request) {
1069 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1070 if (!is_rndis(s) || value || index != 0) {
1071 goto fail;
1072 }
1073 #ifdef TRAFFIC_DEBUG
1074 {
1075 unsigned int i;
1076 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1077 for (i = 0; i < length; i++) {
1078 if (!(i & 15))
1079 fprintf(stderr, "\n%04x:", i);
1080 fprintf(stderr, " %02x", data[i]);
1081 }
1082 fprintf(stderr, "\n\n");
1083 }
1084 #endif
1085 ret = rndis_parse(s, data, length);
1086 if (ret < 0) {
1087 p->status = ret;
1088 }
1089 break;
1090
1091 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1092 if (!is_rndis(s) || value || index != 0) {
1093 goto fail;
1094 }
1095 p->actual_length = rndis_get_response(s, data);
1096 if (p->actual_length == 0) {
1097 data[0] = 0;
1098 p->actual_length = 1;
1099 }
1100 #ifdef TRAFFIC_DEBUG
1101 {
1102 unsigned int i;
1103 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1104 for (i = 0; i < p->actual_length; i++) {
1105 if (!(i & 15))
1106 fprintf(stderr, "\n%04x:", i);
1107 fprintf(stderr, " %02x", data[i]);
1108 }
1109 fprintf(stderr, "\n\n");
1110 }
1111 #endif
1112 break;
1113
1114 default:
1115 fail:
1116 fprintf(stderr, "usbnet: failed control transaction: "
1117 "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1118 request, value, index, length);
1119 p->status = USB_RET_STALL;
1120 break;
1121 }
1122 }
1123
1124 static void usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1125 {
1126 le32 buf[2];
1127
1128 if (p->iov.size < 8) {
1129 p->status = USB_RET_STALL;
1130 return;
1131 }
1132
1133 buf[0] = cpu_to_le32(1);
1134 buf[1] = cpu_to_le32(0);
1135 usb_packet_copy(p, buf, 8);
1136 if (!s->rndis_resp.tqh_first) {
1137 p->status = USB_RET_NAK;
1138 }
1139
1140 #ifdef TRAFFIC_DEBUG
1141 fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
1142 p->iov.size, p->status);
1143 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status);
1144 #endif
1145 }
1146
1147 static void usb_net_handle_datain(USBNetState *s, USBPacket *p)
1148 {
1149 int len;
1150
1151 if (s->in_ptr > s->in_len) {
1152 usb_net_reset_in_buf(s);
1153 p->status = USB_RET_NAK;
1154 return;
1155 }
1156 if (!s->in_len) {
1157 p->status = USB_RET_NAK;
1158 return;
1159 }
1160 len = s->in_len - s->in_ptr;
1161 if (len > p->iov.size) {
1162 len = p->iov.size;
1163 }
1164 usb_packet_copy(p, &s->in_buf[s->in_ptr], len);
1165 s->in_ptr += len;
1166 if (s->in_ptr >= s->in_len &&
1167 (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) {
1168 /* no short packet necessary */
1169 usb_net_reset_in_buf(s);
1170 }
1171
1172 #ifdef TRAFFIC_DEBUG
1173 fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len);
1174 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len);
1175 #endif
1176 }
1177
1178 static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1179 {
1180 int sz = sizeof(s->out_buf) - s->out_ptr;
1181 struct rndis_packet_msg_type *msg =
1182 (struct rndis_packet_msg_type *) s->out_buf;
1183 uint32_t len;
1184
1185 #ifdef TRAFFIC_DEBUG
1186 fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
1187 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
1188 #endif
1189
1190 if (sz > p->iov.size) {
1191 sz = p->iov.size;
1192 }
1193 usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
1194 s->out_ptr += sz;
1195
1196 if (!is_rndis(s)) {
1197 if (p->iov.size < 64) {
1198 qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr);
1199 s->out_ptr = 0;
1200 }
1201 return;
1202 }
1203 len = le32_to_cpu(msg->MessageLength);
1204 if (s->out_ptr < 8 || s->out_ptr < len) {
1205 return;
1206 }
1207 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1208 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1209 uint32_t size = le32_to_cpu(msg->DataLength);
1210 if (offs + size <= len)
1211 qemu_send_packet(&s->nic->nc, s->out_buf + offs, size);
1212 }
1213 s->out_ptr -= len;
1214 memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1215 }
1216
1217 static void usb_net_handle_data(USBDevice *dev, USBPacket *p)
1218 {
1219 USBNetState *s = (USBNetState *) dev;
1220
1221 switch(p->pid) {
1222 case USB_TOKEN_IN:
1223 switch (p->ep->nr) {
1224 case 1:
1225 usb_net_handle_statusin(s, p);
1226 break;
1227
1228 case 2:
1229 usb_net_handle_datain(s, p);
1230 break;
1231
1232 default:
1233 goto fail;
1234 }
1235 break;
1236
1237 case USB_TOKEN_OUT:
1238 switch (p->ep->nr) {
1239 case 2:
1240 usb_net_handle_dataout(s, p);
1241 break;
1242
1243 default:
1244 goto fail;
1245 }
1246 break;
1247
1248 default:
1249 fail:
1250 p->status = USB_RET_STALL;
1251 break;
1252 }
1253
1254 if (p->status == USB_RET_STALL) {
1255 fprintf(stderr, "usbnet: failed data transaction: "
1256 "pid 0x%x ep 0x%x len 0x%zx\n",
1257 p->pid, p->ep->nr, p->iov.size);
1258 }
1259 }
1260
1261 static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
1262 {
1263 USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1264 uint8_t *in_buf = s->in_buf;
1265 size_t total_size = size;
1266
1267 if (is_rndis(s)) {
1268 if (s->rndis_state != RNDIS_DATA_INITIALIZED) {
1269 return -1;
1270 }
1271 total_size += sizeof(struct rndis_packet_msg_type);
1272 }
1273 if (total_size > sizeof(s->in_buf)) {
1274 return -1;
1275 }
1276
1277 /* Only accept packet if input buffer is empty */
1278 if (s->in_len > 0) {
1279 return 0;
1280 }
1281
1282 if (is_rndis(s)) {
1283 struct rndis_packet_msg_type *msg;
1284
1285 msg = (struct rndis_packet_msg_type *)in_buf;
1286 memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1287 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1288 msg->MessageLength = cpu_to_le32(size + sizeof(*msg));
1289 msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8);
1290 msg->DataLength = cpu_to_le32(size);
1291 /* msg->OOBDataOffset;
1292 * msg->OOBDataLength;
1293 * msg->NumOOBDataElements;
1294 * msg->PerPacketInfoOffset;
1295 * msg->PerPacketInfoLength;
1296 * msg->VcHandle;
1297 * msg->Reserved;
1298 */
1299 in_buf += sizeof(*msg);
1300 }
1301
1302 memcpy(in_buf, buf, size);
1303 s->in_len = total_size;
1304 s->in_ptr = 0;
1305 return size;
1306 }
1307
1308 static int usbnet_can_receive(NetClientState *nc)
1309 {
1310 USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1311
1312 if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) {
1313 return 1;
1314 }
1315
1316 return !s->in_len;
1317 }
1318
1319 static void usbnet_cleanup(NetClientState *nc)
1320 {
1321 USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1322
1323 s->nic = NULL;
1324 }
1325
1326 static void usb_net_handle_destroy(USBDevice *dev)
1327 {
1328 USBNetState *s = (USBNetState *) dev;
1329
1330 /* TODO: remove the nd_table[] entry */
1331 rndis_clear_responsequeue(s);
1332 qemu_del_net_client(&s->nic->nc);
1333 }
1334
1335 static NetClientInfo net_usbnet_info = {
1336 .type = NET_CLIENT_OPTIONS_KIND_NIC,
1337 .size = sizeof(NICState),
1338 .can_receive = usbnet_can_receive,
1339 .receive = usbnet_receive,
1340 .cleanup = usbnet_cleanup,
1341 };
1342
1343 static int usb_net_initfn(USBDevice *dev)
1344 {
1345 USBNetState *s = DO_UPCAST(USBNetState, dev, dev);
1346
1347 usb_desc_create_serial(dev);
1348 usb_desc_init(dev);
1349
1350 s->rndis_state = RNDIS_UNINITIALIZED;
1351 QTAILQ_INIT(&s->rndis_resp);
1352
1353 s->medium = 0; /* NDIS_MEDIUM_802_3 */
1354 s->speed = 1000000; /* 100MBps, in 100Bps units */
1355 s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1356 s->filter = 0;
1357 s->vendorid = 0x1234;
1358 s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
1359
1360 qemu_macaddr_default_if_unset(&s->conf.macaddr);
1361 s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1362 object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
1363 qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
1364 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1365 "%02x%02x%02x%02x%02x%02x",
1366 0x40,
1367 s->conf.macaddr.a[1],
1368 s->conf.macaddr.a[2],
1369 s->conf.macaddr.a[3],
1370 s->conf.macaddr.a[4],
1371 s->conf.macaddr.a[5]);
1372 usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1373
1374 add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0");
1375 return 0;
1376 }
1377
1378 static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
1379 {
1380 Error *local_err = NULL;
1381 USBDevice *dev;
1382 QemuOpts *opts;
1383 int idx;
1384
1385 opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0);
1386 if (!opts) {
1387 return NULL;
1388 }
1389 qemu_opt_set(opts, "type", "nic");
1390 qemu_opt_set(opts, "model", "usb");
1391
1392 idx = net_client_init(opts, 0, &local_err);
1393 if (error_is_set(&local_err)) {
1394 qerror_report_err(local_err);
1395 error_free(local_err);
1396 return NULL;
1397 }
1398
1399 dev = usb_create(bus, "usb-net");
1400 if (!dev) {
1401 return NULL;
1402 }
1403 qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1404 qdev_init_nofail(&dev->qdev);
1405 return dev;
1406 }
1407
1408 static const VMStateDescription vmstate_usb_net = {
1409 .name = "usb-net",
1410 .unmigratable = 1,
1411 };
1412
1413 static Property net_properties[] = {
1414 DEFINE_NIC_PROPERTIES(USBNetState, conf),
1415 DEFINE_PROP_END_OF_LIST(),
1416 };
1417
1418 static void usb_net_class_initfn(ObjectClass *klass, void *data)
1419 {
1420 DeviceClass *dc = DEVICE_CLASS(klass);
1421 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
1422
1423 uc->init = usb_net_initfn;
1424 uc->product_desc = "QEMU USB Network Interface";
1425 uc->usb_desc = &desc_net;
1426 uc->handle_reset = usb_net_handle_reset;
1427 uc->handle_control = usb_net_handle_control;
1428 uc->handle_data = usb_net_handle_data;
1429 uc->handle_destroy = usb_net_handle_destroy;
1430 dc->fw_name = "network";
1431 dc->vmsd = &vmstate_usb_net;
1432 dc->props = net_properties;
1433 }
1434
1435 static TypeInfo net_info = {
1436 .name = "usb-net",
1437 .parent = TYPE_USB_DEVICE,
1438 .instance_size = sizeof(USBNetState),
1439 .class_init = usb_net_class_initfn,
1440 };
1441
1442 static void usb_net_register_types(void)
1443 {
1444 type_register_static(&net_info);
1445 usb_legacy_register("usb-net", "net", usb_net_init);
1446 }
1447
1448 type_init(usb_net_register_types)
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