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Don't use ds->dpy_copy directly from hw/ (Jan Niehusmann).
[qemu/mini2440.git] / hw / usb-net.c
blob82005af5688376c5c1700f157ac26e2eb342bf4f
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 "usb.h"
28 #include "net.h"
29 #include "sys-queue.h"
30
31 /*#define TRAFFIC_DEBUG*/
32 /* Thanks to NetChip Technologies for donating this product ID.
33 * It's for devices with only CDC Ethernet configurations.
34 */
35 #define CDC_VENDOR_NUM 0x0525 /* NetChip */
36 #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */
37 /* For hardware that can talk RNDIS and either of the above protocols,
38 * use this ID ... the windows INF files will know it.
39 */
40 #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */
41 #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */
42
43 enum usbstring_idx {
44 STRING_MANUFACTURER = 1,
45 STRING_PRODUCT,
46 STRING_ETHADDR,
47 STRING_DATA,
48 STRING_CONTROL,
49 STRING_RNDIS_CONTROL,
50 STRING_CDC,
51 STRING_SUBSET,
52 STRING_RNDIS,
53 STRING_SERIALNUMBER,
54 };
55
56 #define DEV_CONFIG_VALUE 1 /* CDC or a subset */
57 #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */
58
59 #define USB_CDC_SUBCLASS_ACM 0x02
60 #define USB_CDC_SUBCLASS_ETHERNET 0x06
61
62 #define USB_CDC_PROTO_NONE 0
63 #define USB_CDC_ACM_PROTO_VENDOR 0xff
64
65 #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
66 #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
67 #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
68 #define USB_CDC_UNION_TYPE 0x06 /* union_desc */
69 #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
70
71 #define USB_DT_CS_INTERFACE 0x24
72 #define USB_DT_CS_ENDPOINT 0x25
73
74 #define ClassInterfaceRequest \
75 ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
76 #define ClassInterfaceOutRequest \
77 ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
78
79 #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
80 #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
81 #define USB_CDC_REQ_SET_LINE_CODING 0x20
82 #define USB_CDC_REQ_GET_LINE_CODING 0x21
83 #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
84 #define USB_CDC_REQ_SEND_BREAK 0x23
85 #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
86 #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
87 #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
88 #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
89 #define USB_CDC_GET_ETHERNET_STATISTIC 0x44
90
91 #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
92 #define STATUS_BYTECOUNT 16 /* 8 byte header + data */
93
94 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
95
96 /*
97 * mostly the same descriptor as the linux gadget rndis driver
98 */
99 static const uint8_t qemu_net_dev_descriptor[] = {
100 0x12, /* u8 bLength; */
101 USB_DT_DEVICE, /* u8 bDescriptorType; Device */
102 0x00, 0x02, /* u16 bcdUSB; v2.0 */
103 USB_CLASS_COMM, /* u8 bDeviceClass; */
104 0x00, /* u8 bDeviceSubClass; */
105 0x00, /* u8 bDeviceProtocol; [ low/full only ] */
106 0x40, /* u8 bMaxPacketSize0 */
107 RNDIS_VENDOR_NUM & 0xff, RNDIS_VENDOR_NUM >> 8, /* u16 idVendor; */
108 RNDIS_PRODUCT_NUM & 0xff, RNDIS_PRODUCT_NUM >> 8, /* u16 idProduct; */
109 0x00, 0x00, /* u16 bcdDevice */
110 STRING_MANUFACTURER, /* u8 iManufacturer; */
111 STRING_PRODUCT, /* u8 iProduct; */
112 STRING_SERIALNUMBER, /* u8 iSerialNumber; */
113 0x02, /* u8 bNumConfigurations; */
114 };
115
116 static const uint8_t qemu_net_rndis_config_descriptor[] = {
117 /* Configuration Descriptor */
118 0x09, /* u8 bLength */
119 USB_DT_CONFIG, /* u8 bDescriptorType */
120 0x43, 0x00, /* le16 wTotalLength */
121 0x02, /* u8 bNumInterfaces */
122 DEV_RNDIS_CONFIG_VALUE, /* u8 bConfigurationValue */
123 STRING_RNDIS, /* u8 iConfiguration */
124 0xc0, /* u8 bmAttributes */
125 0x32, /* u8 bMaxPower */
126 /* RNDIS Control Interface */
127 0x09, /* u8 bLength */
128 USB_DT_INTERFACE, /* u8 bDescriptorType */
129 0x00, /* u8 bInterfaceNumber */
130 0x00, /* u8 bAlternateSetting */
131 0x01, /* u8 bNumEndpoints */
132 USB_CLASS_COMM, /* u8 bInterfaceClass */
133 USB_CDC_SUBCLASS_ACM, /* u8 bInterfaceSubClass */
134 USB_CDC_ACM_PROTO_VENDOR, /* u8 bInterfaceProtocol */
135 STRING_RNDIS_CONTROL, /* u8 iInterface */
136 /* Header Descriptor */
137 0x05, /* u8 bLength */
138 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
139 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
140 0x10, 0x01, /* le16 bcdCDC */
141 /* Call Management Descriptor */
142 0x05, /* u8 bLength */
143 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
144 USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
145 0x00, /* u8 bmCapabilities */
146 0x01, /* u8 bDataInterface */
147 /* ACM Descriptor */
148 0x04, /* u8 bLength */
149 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
150 USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
151 0x00, /* u8 bmCapabilities */
152 /* Union Descriptor */
153 0x05, /* u8 bLength */
154 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
155 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
156 0x00, /* u8 bMasterInterface0 */
157 0x01, /* u8 bSlaveInterface0 */
158 /* Status Descriptor */
159 0x07, /* u8 bLength */
160 USB_DT_ENDPOINT, /* u8 bDescriptorType */
161 USB_DIR_IN | 1, /* u8 bEndpointAddress */
162 USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
163 STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
164 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
165 /* RNDIS Data Interface */
166 0x09, /* u8 bLength */
167 USB_DT_INTERFACE, /* u8 bDescriptorType */
168 0x01, /* u8 bInterfaceNumber */
169 0x00, /* u8 bAlternateSetting */
170 0x02, /* u8 bNumEndpoints */
171 USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
172 0x00, /* u8 bInterfaceSubClass */
173 0x00, /* u8 bInterfaceProtocol */
174 STRING_DATA, /* u8 iInterface */
175 /* Source Endpoint */
176 0x07, /* u8 bLength */
177 USB_DT_ENDPOINT, /* u8 bDescriptorType */
178 USB_DIR_IN | 2, /* u8 bEndpointAddress */
179 USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
180 0x40, 0x00, /* le16 wMaxPacketSize */
181 0x00, /* u8 bInterval */
182 /* Sink Endpoint */
183 0x07, /* u8 bLength */
184 USB_DT_ENDPOINT, /* u8 bDescriptorType */
185 USB_DIR_OUT | 2, /* u8 bEndpointAddress */
186 USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
187 0x40, 0x00, /* le16 wMaxPacketSize */
188 0x00 /* u8 bInterval */
189 };
190
191 static const uint8_t qemu_net_cdc_config_descriptor[] = {
192 /* Configuration Descriptor */
193 0x09, /* u8 bLength */
194 USB_DT_CONFIG, /* u8 bDescriptorType */
195 0x50, 0x00, /* le16 wTotalLength */
196 0x02, /* u8 bNumInterfaces */
197 DEV_CONFIG_VALUE, /* u8 bConfigurationValue */
198 STRING_CDC, /* u8 iConfiguration */
199 0xc0, /* u8 bmAttributes */
200 0x32, /* u8 bMaxPower */
201 /* CDC Control Interface */
202 0x09, /* u8 bLength */
203 USB_DT_INTERFACE, /* u8 bDescriptorType */
204 0x00, /* u8 bInterfaceNumber */
205 0x00, /* u8 bAlternateSetting */
206 0x01, /* u8 bNumEndpoints */
207 USB_CLASS_COMM, /* u8 bInterfaceClass */
208 USB_CDC_SUBCLASS_ETHERNET, /* u8 bInterfaceSubClass */
209 USB_CDC_PROTO_NONE, /* u8 bInterfaceProtocol */
210 STRING_CONTROL, /* u8 iInterface */
211 /* Header Descriptor */
212 0x05, /* u8 bLength */
213 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
214 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
215 0x10, 0x01, /* le16 bcdCDC */
216 /* Union Descriptor */
217 0x05, /* u8 bLength */
218 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
219 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
220 0x00, /* u8 bMasterInterface0 */
221 0x01, /* u8 bSlaveInterface0 */
222 /* Ethernet Descriptor */
223 0x0d, /* u8 bLength */
224 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
225 USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */
226 STRING_ETHADDR, /* u8 iMACAddress */
227 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */
228 ETH_FRAME_LEN & 0xff, ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */
229 0x00, 0x00, /* le16 wNumberMCFilters */
230 0x00, /* u8 bNumberPowerFilters */
231 /* Status Descriptor */
232 0x07, /* u8 bLength */
233 USB_DT_ENDPOINT, /* u8 bDescriptorType */
234 USB_DIR_IN | 1, /* u8 bEndpointAddress */
235 USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
236 STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
237 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
238 /* CDC Data (nop) Interface */
239 0x09, /* u8 bLength */
240 USB_DT_INTERFACE, /* u8 bDescriptorType */
241 0x01, /* u8 bInterfaceNumber */
242 0x00, /* u8 bAlternateSetting */
243 0x00, /* u8 bNumEndpoints */
244 USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
245 0x00, /* u8 bInterfaceSubClass */
246 0x00, /* u8 bInterfaceProtocol */
247 0x00, /* u8 iInterface */
248 /* CDC Data Interface */
249 0x09, /* u8 bLength */
250 USB_DT_INTERFACE, /* u8 bDescriptorType */
251 0x01, /* u8 bInterfaceNumber */
252 0x01, /* u8 bAlternateSetting */
253 0x02, /* u8 bNumEndpoints */
254 USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
255 0x00, /* u8 bInterfaceSubClass */
256 0x00, /* u8 bInterfaceProtocol */
257 STRING_DATA, /* u8 iInterface */
258 /* Source Endpoint */
259 0x07, /* u8 bLength */
260 USB_DT_ENDPOINT, /* u8 bDescriptorType */
261 USB_DIR_IN | 2, /* u8 bEndpointAddress */
262 USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
263 0x40, 0x00, /* le16 wMaxPacketSize */
264 0x00, /* u8 bInterval */
265 /* Sink Endpoint */
266 0x07, /* u8 bLength */
267 USB_DT_ENDPOINT, /* u8 bDescriptorType */
268 USB_DIR_OUT | 2, /* u8 bEndpointAddress */
269 USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
270 0x40, 0x00, /* le16 wMaxPacketSize */
271 0x00 /* u8 bInterval */
272 };
273
274 /*
275 * RNDIS Definitions - in theory not specific to USB.
276 */
277 #define RNDIS_MAXIMUM_FRAME_SIZE 1518
278 #define RNDIS_MAX_TOTAL_SIZE 1558
279
280 /* Remote NDIS Versions */
281 #define RNDIS_MAJOR_VERSION 1
282 #define RNDIS_MINOR_VERSION 0
283
284 /* Status Values */
285 #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */
286 #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */
287 #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */
288 #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */
289 #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */
290 #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */
291
292 /* Message Set for Connectionless (802.3) Devices */
293 enum {
294 RNDIS_PACKET_MSG = 1,
295 RNDIS_INITIALIZE_MSG = 2, /* Initialize device */
296 RNDIS_HALT_MSG = 3,
297 RNDIS_QUERY_MSG = 4,
298 RNDIS_SET_MSG = 5,
299 RNDIS_RESET_MSG = 6,
300 RNDIS_INDICATE_STATUS_MSG = 7,
301 RNDIS_KEEPALIVE_MSG = 8,
302 };
303
304 /* Message completion */
305 enum {
306 RNDIS_INITIALIZE_CMPLT = 0x80000002U,
307 RNDIS_QUERY_CMPLT = 0x80000004U,
308 RNDIS_SET_CMPLT = 0x80000005U,
309 RNDIS_RESET_CMPLT = 0x80000006U,
310 RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
311 };
312
313 /* Device Flags */
314 enum {
315 RNDIS_DF_CONNECTIONLESS = 1,
316 RNDIS_DF_CONNECTIONORIENTED = 2,
317 };
318
319 #define RNDIS_MEDIUM_802_3 0x00000000U
320
321 /* from drivers/net/sk98lin/h/skgepnmi.h */
322 #define OID_PNP_CAPABILITIES 0xfd010100
323 #define OID_PNP_SET_POWER 0xfd010101
324 #define OID_PNP_QUERY_POWER 0xfd010102
325 #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
326 #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
327 #define OID_PNP_ENABLE_WAKE_UP 0xfd010106
328
329 typedef uint32_t le32;
330
331 typedef struct rndis_init_msg_type {
332 le32 MessageType;
333 le32 MessageLength;
334 le32 RequestID;
335 le32 MajorVersion;
336 le32 MinorVersion;
337 le32 MaxTransferSize;
338 } rndis_init_msg_type;
339
340 typedef struct rndis_init_cmplt_type {
341 le32 MessageType;
342 le32 MessageLength;
343 le32 RequestID;
344 le32 Status;
345 le32 MajorVersion;
346 le32 MinorVersion;
347 le32 DeviceFlags;
348 le32 Medium;
349 le32 MaxPacketsPerTransfer;
350 le32 MaxTransferSize;
351 le32 PacketAlignmentFactor;
352 le32 AFListOffset;
353 le32 AFListSize;
354 } rndis_init_cmplt_type;
355
356 typedef struct rndis_halt_msg_type {
357 le32 MessageType;
358 le32 MessageLength;
359 le32 RequestID;
360 } rndis_halt_msg_type;
361
362 typedef struct rndis_query_msg_type {
363 le32 MessageType;
364 le32 MessageLength;
365 le32 RequestID;
366 le32 OID;
367 le32 InformationBufferLength;
368 le32 InformationBufferOffset;
369 le32 DeviceVcHandle;
370 } rndis_query_msg_type;
371
372 typedef struct rndis_query_cmplt_type {
373 le32 MessageType;
374 le32 MessageLength;
375 le32 RequestID;
376 le32 Status;
377 le32 InformationBufferLength;
378 le32 InformationBufferOffset;
379 } rndis_query_cmplt_type;
380
381 typedef struct rndis_set_msg_type {
382 le32 MessageType;
383 le32 MessageLength;
384 le32 RequestID;
385 le32 OID;
386 le32 InformationBufferLength;
387 le32 InformationBufferOffset;
388 le32 DeviceVcHandle;
389 } rndis_set_msg_type;
390
391 typedef struct rndis_set_cmplt_type {
392 le32 MessageType;
393 le32 MessageLength;
394 le32 RequestID;
395 le32 Status;
396 } rndis_set_cmplt_type;
397
398 typedef struct rndis_reset_msg_type {
399 le32 MessageType;
400 le32 MessageLength;
401 le32 Reserved;
402 } rndis_reset_msg_type;
403
404 typedef struct rndis_reset_cmplt_type {
405 le32 MessageType;
406 le32 MessageLength;
407 le32 Status;
408 le32 AddressingReset;
409 } rndis_reset_cmplt_type;
410
411 typedef struct rndis_indicate_status_msg_type {
412 le32 MessageType;
413 le32 MessageLength;
414 le32 Status;
415 le32 StatusBufferLength;
416 le32 StatusBufferOffset;
417 } rndis_indicate_status_msg_type;
418
419 typedef struct rndis_keepalive_msg_type {
420 le32 MessageType;
421 le32 MessageLength;
422 le32 RequestID;
423 } rndis_keepalive_msg_type;
424
425 typedef struct rndis_keepalive_cmplt_type {
426 le32 MessageType;
427 le32 MessageLength;
428 le32 RequestID;
429 le32 Status;
430 } rndis_keepalive_cmplt_type;
431
432 struct rndis_packet_msg_type {
433 le32 MessageType;
434 le32 MessageLength;
435 le32 DataOffset;
436 le32 DataLength;
437 le32 OOBDataOffset;
438 le32 OOBDataLength;
439 le32 NumOOBDataElements;
440 le32 PerPacketInfoOffset;
441 le32 PerPacketInfoLength;
442 le32 VcHandle;
443 le32 Reserved;
444 };
445
446 struct rndis_config_parameter {
447 le32 ParameterNameOffset;
448 le32 ParameterNameLength;
449 le32 ParameterType;
450 le32 ParameterValueOffset;
451 le32 ParameterValueLength;
452 };
453
454 /* implementation specific */
455 enum rndis_state
456 {
457 RNDIS_UNINITIALIZED,
458 RNDIS_INITIALIZED,
459 RNDIS_DATA_INITIALIZED,
460 };
461
462 /* from ndis.h */
463 enum ndis_oid {
464 /* Required Object IDs (OIDs) */
465 OID_GEN_SUPPORTED_LIST = 0x00010101,
466 OID_GEN_HARDWARE_STATUS = 0x00010102,
467 OID_GEN_MEDIA_SUPPORTED = 0x00010103,
468 OID_GEN_MEDIA_IN_USE = 0x00010104,
469 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
470 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
471 OID_GEN_LINK_SPEED = 0x00010107,
472 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
473 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
474 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
475 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
476 OID_GEN_VENDOR_ID = 0x0001010c,
477 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
478 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
479 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
480 OID_GEN_DRIVER_VERSION = 0x00010110,
481 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
482 OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
483 OID_GEN_MAC_OPTIONS = 0x00010113,
484 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
485 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
486 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
487 OID_GEN_SUPPORTED_GUIDS = 0x00010117,
488 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
489 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
490 OID_GEN_MACHINE_NAME = 0x0001021a,
491 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
492 OID_GEN_VLAN_ID = 0x0001021c,
493
494 /* Optional OIDs */
495 OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
496 OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
497
498 /* Required statistics OIDs */
499 OID_GEN_XMIT_OK = 0x00020101,
500 OID_GEN_RCV_OK = 0x00020102,
501 OID_GEN_XMIT_ERROR = 0x00020103,
502 OID_GEN_RCV_ERROR = 0x00020104,
503 OID_GEN_RCV_NO_BUFFER = 0x00020105,
504
505 /* Optional statistics OIDs */
506 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
507 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
508 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
509 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
510 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
511 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
512 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
513 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
514 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
515 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
516 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
517 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
518 OID_GEN_RCV_CRC_ERROR = 0x0002020d,
519 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
520 OID_GEN_GET_TIME_CAPS = 0x0002020f,
521 OID_GEN_GET_NETCARD_TIME = 0x00020210,
522 OID_GEN_NETCARD_LOAD = 0x00020211,
523 OID_GEN_DEVICE_PROFILE = 0x00020212,
524 OID_GEN_INIT_TIME_MS = 0x00020213,
525 OID_GEN_RESET_COUNTS = 0x00020214,
526 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
527 OID_GEN_FRIENDLY_NAME = 0x00020216,
528 OID_GEN_MINIPORT_INFO = 0x00020217,
529 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
530
531 /* IEEE 802.3 (Ethernet) OIDs */
532 OID_802_3_PERMANENT_ADDRESS = 0x01010101,
533 OID_802_3_CURRENT_ADDRESS = 0x01010102,
534 OID_802_3_MULTICAST_LIST = 0x01010103,
535 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
536 OID_802_3_MAC_OPTIONS = 0x01010105,
537 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
538 OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
539 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
540 OID_802_3_XMIT_DEFERRED = 0x01020201,
541 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
542 OID_802_3_RCV_OVERRUN = 0x01020203,
543 OID_802_3_XMIT_UNDERRUN = 0x01020204,
544 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
545 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
546 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
547 };
548
549 static const uint32_t oid_supported_list[] =
550 {
551 /* the general stuff */
552 OID_GEN_SUPPORTED_LIST,
553 OID_GEN_HARDWARE_STATUS,
554 OID_GEN_MEDIA_SUPPORTED,
555 OID_GEN_MEDIA_IN_USE,
556 OID_GEN_MAXIMUM_FRAME_SIZE,
557 OID_GEN_LINK_SPEED,
558 OID_GEN_TRANSMIT_BLOCK_SIZE,
559 OID_GEN_RECEIVE_BLOCK_SIZE,
560 OID_GEN_VENDOR_ID,
561 OID_GEN_VENDOR_DESCRIPTION,
562 OID_GEN_VENDOR_DRIVER_VERSION,
563 OID_GEN_CURRENT_PACKET_FILTER,
564 OID_GEN_MAXIMUM_TOTAL_SIZE,
565 OID_GEN_MEDIA_CONNECT_STATUS,
566 OID_GEN_PHYSICAL_MEDIUM,
567
568 /* the statistical stuff */
569 OID_GEN_XMIT_OK,
570 OID_GEN_RCV_OK,
571 OID_GEN_XMIT_ERROR,
572 OID_GEN_RCV_ERROR,
573 OID_GEN_RCV_NO_BUFFER,
574
575 /* IEEE 802.3 */
576 /* the general stuff */
577 OID_802_3_PERMANENT_ADDRESS,
578 OID_802_3_CURRENT_ADDRESS,
579 OID_802_3_MULTICAST_LIST,
580 OID_802_3_MAC_OPTIONS,
581 OID_802_3_MAXIMUM_LIST_SIZE,
582
583 /* the statistical stuff */
584 OID_802_3_RCV_ERROR_ALIGNMENT,
585 OID_802_3_XMIT_ONE_COLLISION,
586 OID_802_3_XMIT_MORE_COLLISIONS,
587 };
588
589 #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
590 #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
591 #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
592 #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
593 #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
594 #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
595 #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
596
597 struct rndis_response {
598 TAILQ_ENTRY(rndis_response) entries;
599 uint32_t length;
600 uint8_t buf[0];
601 };
602
603 typedef struct USBNetState {
604 USBDevice dev;
605
606 unsigned int rndis;
607 enum rndis_state rndis_state;
608 uint32_t medium;
609 uint32_t speed;
610 uint32_t media_state;
611 uint16_t filter;
612 uint32_t vendorid;
613 uint8_t mac[6];
614
615 unsigned int out_ptr;
616 uint8_t out_buf[2048];
617
618 USBPacket *inpkt;
619 unsigned int in_ptr, in_len;
620 uint8_t in_buf[2048];
621
622 char usbstring_mac[13];
623 VLANClientState *vc;
624 TAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
625 } USBNetState;
626
627 static int ndis_query(USBNetState *s, uint32_t oid,
628 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
629 size_t outlen)
630 {
631 unsigned int i, count;
632
633 switch (oid) {
634 /* general oids (table 4-1) */
635 /* mandatory */
636 case OID_GEN_SUPPORTED_LIST:
637 count = sizeof(oid_supported_list) / sizeof(uint32_t);
638 for (i = 0; i < count; i++)
639 ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
640 return sizeof(oid_supported_list);
641
642 /* mandatory */
643 case OID_GEN_HARDWARE_STATUS:
644 *((le32 *) outbuf) = cpu_to_le32(0);
645 return sizeof(le32);
646
647 /* mandatory */
648 case OID_GEN_MEDIA_SUPPORTED:
649 *((le32 *) outbuf) = cpu_to_le32(s->medium);
650 return sizeof(le32);
651
652 /* mandatory */
653 case OID_GEN_MEDIA_IN_USE:
654 *((le32 *) outbuf) = cpu_to_le32(s->medium);
655 return sizeof(le32);
656
657 /* mandatory */
658 case OID_GEN_MAXIMUM_FRAME_SIZE:
659 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
660 return sizeof(le32);
661
662 /* mandatory */
663 case OID_GEN_LINK_SPEED:
664 *((le32 *) outbuf) = cpu_to_le32(s->speed);
665 return sizeof(le32);
666
667 /* mandatory */
668 case OID_GEN_TRANSMIT_BLOCK_SIZE:
669 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
670 return sizeof(le32);
671
672 /* mandatory */
673 case OID_GEN_RECEIVE_BLOCK_SIZE:
674 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
675 return sizeof(le32);
676
677 /* mandatory */
678 case OID_GEN_VENDOR_ID:
679 *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
680 return sizeof(le32);
681
682 /* mandatory */
683 case OID_GEN_VENDOR_DESCRIPTION:
684 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
685 return strlen((char *)outbuf) + 1;
686
687 case OID_GEN_VENDOR_DRIVER_VERSION:
688 *((le32 *) outbuf) = cpu_to_le32(1);
689 return sizeof(le32);
690
691 /* mandatory */
692 case OID_GEN_CURRENT_PACKET_FILTER:
693 *((le32 *) outbuf) = cpu_to_le32(s->filter);
694 return sizeof(le32);
695
696 /* mandatory */
697 case OID_GEN_MAXIMUM_TOTAL_SIZE:
698 *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
699 return sizeof(le32);
700
701 /* mandatory */
702 case OID_GEN_MEDIA_CONNECT_STATUS:
703 *((le32 *) outbuf) = cpu_to_le32(s->media_state);
704 return sizeof(le32);
705
706 case OID_GEN_PHYSICAL_MEDIUM:
707 *((le32 *) outbuf) = cpu_to_le32(0);
708 return sizeof(le32);
709
710 case OID_GEN_MAC_OPTIONS:
711 *((le32 *) outbuf) = cpu_to_le32(
712 NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
713 NDIS_MAC_OPTION_FULL_DUPLEX);
714 return sizeof(le32);
715
716 /* statistics OIDs (table 4-2) */
717 /* mandatory */
718 case OID_GEN_XMIT_OK:
719 *((le32 *) outbuf) = cpu_to_le32(0);
720 return sizeof(le32);
721
722 /* mandatory */
723 case OID_GEN_RCV_OK:
724 *((le32 *) outbuf) = cpu_to_le32(0);
725 return sizeof(le32);
726
727 /* mandatory */
728 case OID_GEN_XMIT_ERROR:
729 *((le32 *) outbuf) = cpu_to_le32(0);
730 return sizeof(le32);
731
732 /* mandatory */
733 case OID_GEN_RCV_ERROR:
734 *((le32 *) outbuf) = cpu_to_le32(0);
735 return sizeof(le32);
736
737 /* mandatory */
738 case OID_GEN_RCV_NO_BUFFER:
739 *((le32 *) outbuf) = cpu_to_le32(0);
740 return sizeof(le32);
741
742 /* ieee802.3 OIDs (table 4-3) */
743 /* mandatory */
744 case OID_802_3_PERMANENT_ADDRESS:
745 memcpy(outbuf, s->mac, 6);
746 return 6;
747
748 /* mandatory */
749 case OID_802_3_CURRENT_ADDRESS:
750 memcpy(outbuf, s->mac, 6);
751 return 6;
752
753 /* mandatory */
754 case OID_802_3_MULTICAST_LIST:
755 *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
756 return sizeof(le32);
757
758 /* mandatory */
759 case OID_802_3_MAXIMUM_LIST_SIZE:
760 *((le32 *) outbuf) = cpu_to_le32(1);
761 return sizeof(le32);
762
763 case OID_802_3_MAC_OPTIONS:
764 return 0;
765
766 /* ieee802.3 statistics OIDs (table 4-4) */
767 /* mandatory */
768 case OID_802_3_RCV_ERROR_ALIGNMENT:
769 *((le32 *) outbuf) = cpu_to_le32(0);
770 return sizeof(le32);
771
772 /* mandatory */
773 case OID_802_3_XMIT_ONE_COLLISION:
774 *((le32 *) outbuf) = cpu_to_le32(0);
775 return sizeof(le32);
776
777 /* mandatory */
778 case OID_802_3_XMIT_MORE_COLLISIONS:
779 *((le32 *) outbuf) = cpu_to_le32(0);
780 return sizeof(le32);
781
782 default:
783 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
784 return 0;
785 }
786 return -1;
787 }
788
789 static int ndis_set(USBNetState *s, uint32_t oid,
790 uint8_t *inbuf, unsigned int inlen)
791 {
792 switch (oid) {
793 case OID_GEN_CURRENT_PACKET_FILTER:
794 s->filter = le32_to_cpup((le32 *) inbuf);
795 if (s->filter) {
796 s->rndis_state = RNDIS_DATA_INITIALIZED;
797 } else {
798 s->rndis_state = RNDIS_INITIALIZED;
799 }
800 return 0;
801
802 case OID_802_3_MULTICAST_LIST:
803 return 0;
804 }
805 return -1;
806 }
807
808 static int rndis_get_response(USBNetState *s, uint8_t *buf)
809 {
810 int ret = 0;
811 struct rndis_response *r = s->rndis_resp.tqh_first;
812
813 if (!r)
814 return ret;
815
816 TAILQ_REMOVE(&s->rndis_resp, r, entries);
817 ret = r->length;
818 memcpy(buf, r->buf, r->length);
819 qemu_free(r);
820
821 return ret;
822 }
823
824 static void *rndis_queue_response(USBNetState *s, unsigned int length)
825 {
826 struct rndis_response *r =
827 qemu_mallocz(sizeof(struct rndis_response) + length);
828
829 TAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
830 r->length = length;
831
832 return &r->buf[0];
833 }
834
835 static void rndis_clear_responsequeue(USBNetState *s)
836 {
837 struct rndis_response *r;
838
839 while ((r = s->rndis_resp.tqh_first)) {
840 TAILQ_REMOVE(&s->rndis_resp, r, entries);
841 qemu_free(r);
842 }
843 }
844
845 static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
846 {
847 rndis_init_cmplt_type *resp =
848 rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
849
850 if (!resp)
851 return USB_RET_STALL;
852
853 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
854 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
855 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
856 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
857 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
858 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
859 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
860 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
861 resp->MaxPacketsPerTransfer = cpu_to_le32(1);
862 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
863 sizeof(struct rndis_packet_msg_type) + 22);
864 resp->PacketAlignmentFactor = cpu_to_le32(0);
865 resp->AFListOffset = cpu_to_le32(0);
866 resp->AFListSize = cpu_to_le32(0);
867 return 0;
868 }
869
870 static int rndis_query_response(USBNetState *s,
871 rndis_query_msg_type *buf, unsigned int length)
872 {
873 rndis_query_cmplt_type *resp;
874 /* oid_supported_list is the largest data reply */
875 uint8_t infobuf[sizeof(oid_supported_list)];
876 uint32_t bufoffs, buflen;
877 int infobuflen;
878 unsigned int resplen;
879
880 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
881 buflen = le32_to_cpu(buf->InformationBufferLength);
882 if (bufoffs + buflen > length)
883 return USB_RET_STALL;
884
885 infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
886 bufoffs + (uint8_t *) buf, buflen, infobuf,
887 sizeof(infobuf));
888 resplen = sizeof(rndis_query_cmplt_type) +
889 ((infobuflen < 0) ? 0 : infobuflen);
890 resp = rndis_queue_response(s, resplen);
891 if (!resp)
892 return USB_RET_STALL;
893
894 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
895 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
896 resp->MessageLength = cpu_to_le32(resplen);
897
898 if (infobuflen < 0) {
899 /* OID not supported */
900 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
901 resp->InformationBufferLength = cpu_to_le32(0);
902 resp->InformationBufferOffset = cpu_to_le32(0);
903 return 0;
904 }
905
906 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
907 resp->InformationBufferOffset =
908 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
909 resp->InformationBufferLength = cpu_to_le32(infobuflen);
910 memcpy(resp + 1, infobuf, infobuflen);
911
912 return 0;
913 }
914
915 static int rndis_set_response(USBNetState *s,
916 rndis_set_msg_type *buf, unsigned int length)
917 {
918 rndis_set_cmplt_type *resp =
919 rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
920 uint32_t bufoffs, buflen;
921 int ret;
922
923 if (!resp)
924 return USB_RET_STALL;
925
926 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
927 buflen = le32_to_cpu(buf->InformationBufferLength);
928 if (bufoffs + buflen > length)
929 return USB_RET_STALL;
930
931 ret = ndis_set(s, le32_to_cpu(buf->OID),
932 bufoffs + (uint8_t *) buf, buflen);
933 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
934 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
935 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
936 if (ret < 0) {
937 /* OID not supported */
938 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
939 return 0;
940 }
941 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
942
943 return 0;
944 }
945
946 static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
947 {
948 rndis_reset_cmplt_type *resp =
949 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
950
951 if (!resp)
952 return USB_RET_STALL;
953
954 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
955 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
956 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
957 resp->AddressingReset = cpu_to_le32(1); /* reset information */
958
959 return 0;
960 }
961
962 static int rndis_keepalive_response(USBNetState *s,
963 rndis_keepalive_msg_type *buf)
964 {
965 rndis_keepalive_cmplt_type *resp =
966 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
967
968 if (!resp)
969 return USB_RET_STALL;
970
971 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
972 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
973 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
974 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
975
976 return 0;
977 }
978
979 static int rndis_parse(USBNetState *s, uint8_t *data, int length)
980 {
981 uint32_t msg_type, msg_length;
982 le32 *tmp = (le32 *) data;
983
984 msg_type = le32_to_cpup(tmp++);
985 msg_length = le32_to_cpup(tmp++);
986
987 switch (msg_type) {
988 case RNDIS_INITIALIZE_MSG:
989 s->rndis_state = RNDIS_INITIALIZED;
990 return rndis_init_response(s, (rndis_init_msg_type *) data);
991
992 case RNDIS_HALT_MSG:
993 s->rndis_state = RNDIS_UNINITIALIZED;
994 return 0;
995
996 case RNDIS_QUERY_MSG:
997 return rndis_query_response(s, (rndis_query_msg_type *) data, length);
998
999 case RNDIS_SET_MSG:
1000 return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1001
1002 case RNDIS_RESET_MSG:
1003 rndis_clear_responsequeue(s);
1004 s->out_ptr = s->in_ptr = s->in_len = 0;
1005 return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1006
1007 case RNDIS_KEEPALIVE_MSG:
1008 /* For USB: host does this every 5 seconds */
1009 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1010 }
1011
1012 return USB_RET_STALL;
1013 }
1014
1015 static void usb_net_handle_reset(USBDevice *dev)
1016 {
1017 }
1018
1019 static const char * const usb_net_stringtable[] = {
1020 [STRING_MANUFACTURER] = "QEMU",
1021 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
1022 [STRING_ETHADDR] = "400102030405",
1023 [STRING_DATA] = "QEMU USB Net Data Interface",
1024 [STRING_CONTROL] = "QEMU USB Net Control Interface",
1025 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
1026 [STRING_CDC] = "QEMU USB Net CDC",
1027 [STRING_SUBSET] = "QEMU USB Net Subset",
1028 [STRING_RNDIS] = "QEMU USB Net RNDIS",
1029 [STRING_SERIALNUMBER] = "1",
1030 };
1031
1032 static int usb_net_handle_control(USBDevice *dev, int request, int value,
1033 int index, int length, uint8_t *data)
1034 {
1035 USBNetState *s = (USBNetState *) dev;
1036 int ret = 0;
1037
1038 switch(request) {
1039 case DeviceRequest | USB_REQ_GET_STATUS:
1040 data[0] = (1 << USB_DEVICE_SELF_POWERED) |
1041 (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
1042 data[1] = 0x00;
1043 ret = 2;
1044 break;
1045
1046 case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
1047 if (value == USB_DEVICE_REMOTE_WAKEUP) {
1048 dev->remote_wakeup = 0;
1049 } else {
1050 goto fail;
1051 }
1052 ret = 0;
1053 break;
1054
1055 case DeviceOutRequest | USB_REQ_SET_FEATURE:
1056 if (value == USB_DEVICE_REMOTE_WAKEUP) {
1057 dev->remote_wakeup = 1;
1058 } else {
1059 goto fail;
1060 }
1061 ret = 0;
1062 break;
1063
1064 case DeviceOutRequest | USB_REQ_SET_ADDRESS:
1065 dev->addr = value;
1066 ret = 0;
1067 break;
1068
1069 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1070 if (!s->rndis || value || index != 0)
1071 goto fail;
1072 #ifdef TRAFFIC_DEBUG
1073 {
1074 unsigned int i;
1075 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1076 for (i = 0; i < length; i++) {
1077 if (!(i & 15))
1078 fprintf(stderr, "\n%04x:", i);
1079 fprintf(stderr, " %02x", data[i]);
1080 }
1081 fprintf(stderr, "\n\n");
1082 }
1083 #endif
1084 ret = rndis_parse(s, data, length);
1085 break;
1086
1087 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1088 if (!s->rndis || value || index != 0)
1089 goto fail;
1090 ret = rndis_get_response(s, data);
1091 if (!ret) {
1092 data[0] = 0;
1093 ret = 1;
1094 }
1095 #ifdef TRAFFIC_DEBUG
1096 {
1097 unsigned int i;
1098 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1099 for (i = 0; i < ret; i++) {
1100 if (!(i & 15))
1101 fprintf(stderr, "\n%04x:", i);
1102 fprintf(stderr, " %02x", data[i]);
1103 }
1104 fprintf(stderr, "\n\n");
1105 }
1106 #endif
1107 break;
1108
1109 case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
1110 switch(value >> 8) {
1111 case USB_DT_DEVICE:
1112 ret = sizeof(qemu_net_dev_descriptor);
1113 memcpy(data, qemu_net_dev_descriptor, ret);
1114 break;
1115
1116 case USB_DT_CONFIG:
1117 switch (value & 0xff) {
1118 case 0:
1119 ret = sizeof(qemu_net_rndis_config_descriptor);
1120 memcpy(data, qemu_net_rndis_config_descriptor, ret);
1121 break;
1122
1123 case 1:
1124 ret = sizeof(qemu_net_cdc_config_descriptor);
1125 memcpy(data, qemu_net_cdc_config_descriptor, ret);
1126 break;
1127
1128 default:
1129 goto fail;
1130 }
1131
1132 data[2] = ret & 0xff;
1133 data[3] = ret >> 8;
1134 break;
1135
1136 case USB_DT_STRING:
1137 switch (value & 0xff) {
1138 case 0:
1139 /* language ids */
1140 data[0] = 4;
1141 data[1] = 3;
1142 data[2] = 0x09;
1143 data[3] = 0x04;
1144 ret = 4;
1145 break;
1146
1147 case STRING_ETHADDR:
1148 ret = set_usb_string(data, s->usbstring_mac);
1149 break;
1150
1151 default:
1152 if (usb_net_stringtable[value & 0xff]) {
1153 ret = set_usb_string(data,
1154 usb_net_stringtable[value & 0xff]);
1155 break;
1156 }
1157
1158 goto fail;
1159 }
1160 break;
1161
1162 default:
1163 goto fail;
1164 }
1165 break;
1166
1167 case DeviceRequest | USB_REQ_GET_CONFIGURATION:
1168 data[0] = s->rndis ? DEV_RNDIS_CONFIG_VALUE : DEV_CONFIG_VALUE;
1169 ret = 1;
1170 break;
1171
1172 case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
1173 switch (value & 0xff) {
1174 case DEV_CONFIG_VALUE:
1175 s->rndis = 0;
1176 break;
1177
1178 case DEV_RNDIS_CONFIG_VALUE:
1179 s->rndis = 1;
1180 break;
1181
1182 default:
1183 goto fail;
1184 }
1185 ret = 0;
1186 break;
1187
1188 case DeviceRequest | USB_REQ_GET_INTERFACE:
1189 case InterfaceRequest | USB_REQ_GET_INTERFACE:
1190 data[0] = 0;
1191 ret = 1;
1192 break;
1193
1194 case DeviceOutRequest | USB_REQ_SET_INTERFACE:
1195 case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
1196 ret = 0;
1197 break;
1198
1199 default:
1200 fail:
1201 fprintf(stderr, "usbnet: failed control transaction: "
1202 "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1203 request, value, index, length);
1204 ret = USB_RET_STALL;
1205 break;
1206 }
1207 return ret;
1208 }
1209
1210 static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1211 {
1212 int ret = 8;
1213
1214 if (p->len < 8)
1215 return USB_RET_STALL;
1216
1217 ((le32 *) p->data)[0] = cpu_to_le32(1);
1218 ((le32 *) p->data)[1] = cpu_to_le32(0);
1219 if (!s->rndis_resp.tqh_first)
1220 ret = USB_RET_NAK;
1221
1222 #ifdef TRAFFIC_DEBUG
1223 fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
1224 {
1225 int i;
1226 fprintf(stderr, ":");
1227 for (i = 0; i < ret; i++) {
1228 if (!(i & 15))
1229 fprintf(stderr, "\n%04x:", i);
1230 fprintf(stderr, " %02x", p->data[i]);
1231 }
1232 fprintf(stderr, "\n\n");
1233 }
1234 #endif
1235
1236 return ret;
1237 }
1238
1239 static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
1240 {
1241 int ret = USB_RET_NAK;
1242
1243 if (s->in_ptr > s->in_len) {
1244 s->in_ptr = s->in_len = 0;
1245 ret = USB_RET_NAK;
1246 return ret;
1247 }
1248 if (!s->in_len) {
1249 ret = USB_RET_NAK;
1250 return ret;
1251 }
1252 ret = s->in_len - s->in_ptr;
1253 if (ret > p->len)
1254 ret = p->len;
1255 memcpy(p->data, &s->in_buf[s->in_ptr], ret);
1256 s->in_ptr += ret;
1257 if (s->in_ptr >= s->in_len &&
1258 (s->rndis || (s->in_len & (64 - 1)) || !ret)) {
1259 /* no short packet necessary */
1260 s->in_ptr = s->in_len = 0;
1261 }
1262
1263 #ifdef TRAFFIC_DEBUG
1264 fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
1265 {
1266 int i;
1267 fprintf(stderr, ":");
1268 for (i = 0; i < ret; i++) {
1269 if (!(i & 15))
1270 fprintf(stderr, "\n%04x:", i);
1271 fprintf(stderr, " %02x", p->data[i]);
1272 }
1273 fprintf(stderr, "\n\n");
1274 }
1275 #endif
1276
1277 return ret;
1278 }
1279
1280 static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1281 {
1282 int ret = p->len;
1283 int sz = sizeof(s->out_buf) - s->out_ptr;
1284 struct rndis_packet_msg_type *msg =
1285 (struct rndis_packet_msg_type *) s->out_buf;
1286 uint32_t len;
1287
1288 #ifdef TRAFFIC_DEBUG
1289 fprintf(stderr, "usbnet: data out len %u\n", p->len);
1290 {
1291 int i;
1292 fprintf(stderr, ":");
1293 for (i = 0; i < p->len; i++) {
1294 if (!(i & 15))
1295 fprintf(stderr, "\n%04x:", i);
1296 fprintf(stderr, " %02x", p->data[i]);
1297 }
1298 fprintf(stderr, "\n\n");
1299 }
1300 #endif
1301
1302 if (sz > ret)
1303 sz = ret;
1304 memcpy(&s->out_buf[s->out_ptr], p->data, sz);
1305 s->out_ptr += sz;
1306
1307 if (!s->rndis) {
1308 if (ret < 64) {
1309 qemu_send_packet(s->vc, s->out_buf, s->out_ptr);
1310 s->out_ptr = 0;
1311 }
1312 return ret;
1313 }
1314 len = le32_to_cpu(msg->MessageLength);
1315 if (s->out_ptr < 8 || s->out_ptr < len)
1316 return ret;
1317 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1318 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1319 uint32_t size = le32_to_cpu(msg->DataLength);
1320 if (offs + size <= len)
1321 qemu_send_packet(s->vc, s->out_buf + offs, size);
1322 }
1323 s->out_ptr -= len;
1324 memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1325
1326 return ret;
1327 }
1328
1329 static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
1330 {
1331 USBNetState *s = (USBNetState *) dev;
1332 int ret = 0;
1333
1334 switch(p->pid) {
1335 case USB_TOKEN_IN:
1336 switch (p->devep) {
1337 case 1:
1338 ret = usb_net_handle_statusin(s, p);
1339 break;
1340
1341 case 2:
1342 ret = usb_net_handle_datain(s, p);
1343 break;
1344
1345 default:
1346 goto fail;
1347 }
1348 break;
1349
1350 case USB_TOKEN_OUT:
1351 switch (p->devep) {
1352 case 2:
1353 ret = usb_net_handle_dataout(s, p);
1354 break;
1355
1356 default:
1357 goto fail;
1358 }
1359 break;
1360
1361 default:
1362 fail:
1363 ret = USB_RET_STALL;
1364 break;
1365 }
1366 if (ret == USB_RET_STALL)
1367 fprintf(stderr, "usbnet: failed data transaction: "
1368 "pid 0x%x ep 0x%x len 0x%x\n",
1369 p->pid, p->devep, p->len);
1370 return ret;
1371 }
1372
1373 static void usbnet_receive(void *opaque, const uint8_t *buf, int size)
1374 {
1375 USBNetState *s = opaque;
1376 struct rndis_packet_msg_type *msg;
1377
1378 if (s->rndis) {
1379 msg = (struct rndis_packet_msg_type *) s->in_buf;
1380 if (!s->rndis_state == RNDIS_DATA_INITIALIZED)
1381 return;
1382 if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
1383 return;
1384
1385 memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1386 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1387 msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
1388 msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
1389 msg->DataLength = cpu_to_le32(size);
1390 /* msg->OOBDataOffset;
1391 * msg->OOBDataLength;
1392 * msg->NumOOBDataElements;
1393 * msg->PerPacketInfoOffset;
1394 * msg->PerPacketInfoLength;
1395 * msg->VcHandle;
1396 * msg->Reserved;
1397 */
1398 memcpy(msg + 1, buf, size);
1399 s->in_len = size + sizeof(struct rndis_packet_msg_type);
1400 } else {
1401 if (size > sizeof(s->in_buf))
1402 return;
1403 memcpy(s->in_buf, buf, size);
1404 s->in_len = size;
1405 }
1406 s->in_ptr = 0;
1407 }
1408
1409 static int usbnet_can_receive(void *opaque)
1410 {
1411 USBNetState *s = opaque;
1412
1413 if (s->rndis && !s->rndis_state == RNDIS_DATA_INITIALIZED)
1414 return 1;
1415
1416 return !s->in_len;
1417 }
1418
1419 static void usb_net_handle_destroy(USBDevice *dev)
1420 {
1421 USBNetState *s = (USBNetState *) dev;
1422
1423 /* TODO: remove the nd_table[] entry */
1424 qemu_del_vlan_client(s->vc);
1425 rndis_clear_responsequeue(s);
1426 qemu_free(s);
1427 }
1428
1429 USBDevice *usb_net_init(NICInfo *nd)
1430 {
1431 USBNetState *s;
1432
1433 s = qemu_mallocz(sizeof(USBNetState));
1434 if (!s)
1435 return NULL;
1436 s->dev.speed = USB_SPEED_FULL;
1437 s->dev.handle_packet = usb_generic_handle_packet;
1438
1439 s->dev.handle_reset = usb_net_handle_reset;
1440 s->dev.handle_control = usb_net_handle_control;
1441 s->dev.handle_data = usb_net_handle_data;
1442 s->dev.handle_destroy = usb_net_handle_destroy;
1443
1444 s->rndis = 1;
1445 s->rndis_state = RNDIS_UNINITIALIZED;
1446 s->medium = 0; /* NDIS_MEDIUM_802_3 */
1447 s->speed = 1000000; /* 100MBps, in 100Bps units */
1448 s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1449 s->filter = 0;
1450 s->vendorid = 0x1234;
1451
1452 memcpy(s->mac, nd->macaddr, 6);
1453 TAILQ_INIT(&s->rndis_resp);
1454
1455 pstrcpy(s->dev.devname, sizeof(s->dev.devname),
1456 "QEMU USB Network Interface");
1457 s->vc = qemu_new_vlan_client(nd->vlan,
1458 usbnet_receive, usbnet_can_receive, s);
1459
1460 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1461 "%02x%02x%02x%02x%02x%02x",
1462 0x40, s->mac[1], s->mac[2],
1463 s->mac[3], s->mac[4], s->mac[5]);
1464 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
1465 "usbnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
1466 s->mac[0], s->mac[1], s->mac[2],
1467 s->mac[3], s->mac[4], s->mac[5]);
1468 fprintf(stderr, "usbnet: initialized mac %02x:%02x:%02x:%02x:%02x:%02x\n",
1469 s->mac[0], s->mac[1], s->mac[2],
1470 s->mac[3], s->mac[4], s->mac[5]);
1471
1472 return (USBDevice *) s;
1473 }
Samsung s3c2440 and arm920t support for the mini2440 dev board