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1.1 root 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;
632:
633: switch (oid) {
634: /* general oids (table 4-1) */
635: /* mandatory */
636: case OID_GEN_SUPPORTED_LIST:
637: for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
638: ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
639: return sizeof(oid_supported_list);
640:
641: /* mandatory */
642: case OID_GEN_HARDWARE_STATUS:
643: *((le32 *) outbuf) = cpu_to_le32(0);
644: return sizeof(le32);
645:
646: /* mandatory */
647: case OID_GEN_MEDIA_SUPPORTED:
648: *((le32 *) outbuf) = cpu_to_le32(s->medium);
649: return sizeof(le32);
650:
651: /* mandatory */
652: case OID_GEN_MEDIA_IN_USE:
653: *((le32 *) outbuf) = cpu_to_le32(s->medium);
654: return sizeof(le32);
655:
656: /* mandatory */
657: case OID_GEN_MAXIMUM_FRAME_SIZE:
658: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
659: return sizeof(le32);
660:
661: /* mandatory */
662: case OID_GEN_LINK_SPEED:
663: *((le32 *) outbuf) = cpu_to_le32(s->speed);
664: return sizeof(le32);
665:
666: /* mandatory */
667: case OID_GEN_TRANSMIT_BLOCK_SIZE:
668: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
669: return sizeof(le32);
670:
671: /* mandatory */
672: case OID_GEN_RECEIVE_BLOCK_SIZE:
673: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
674: return sizeof(le32);
675:
676: /* mandatory */
677: case OID_GEN_VENDOR_ID:
678: *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
679: return sizeof(le32);
680:
681: /* mandatory */
682: case OID_GEN_VENDOR_DESCRIPTION:
683: pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
684: return strlen((char *)outbuf) + 1;
685:
686: case OID_GEN_VENDOR_DRIVER_VERSION:
687: *((le32 *) outbuf) = cpu_to_le32(1);
688: return sizeof(le32);
689:
690: /* mandatory */
691: case OID_GEN_CURRENT_PACKET_FILTER:
692: *((le32 *) outbuf) = cpu_to_le32(s->filter);
693: return sizeof(le32);
694:
695: /* mandatory */
696: case OID_GEN_MAXIMUM_TOTAL_SIZE:
697: *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
698: return sizeof(le32);
699:
700: /* mandatory */
701: case OID_GEN_MEDIA_CONNECT_STATUS:
702: *((le32 *) outbuf) = cpu_to_le32(s->media_state);
703: return sizeof(le32);
704:
705: case OID_GEN_PHYSICAL_MEDIUM:
706: *((le32 *) outbuf) = cpu_to_le32(0);
707: return sizeof(le32);
708:
709: case OID_GEN_MAC_OPTIONS:
710: *((le32 *) outbuf) = cpu_to_le32(
711: NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
712: NDIS_MAC_OPTION_FULL_DUPLEX);
713: return sizeof(le32);
714:
715: /* statistics OIDs (table 4-2) */
716: /* mandatory */
717: case OID_GEN_XMIT_OK:
718: *((le32 *) outbuf) = cpu_to_le32(0);
719: return sizeof(le32);
720:
721: /* mandatory */
722: case OID_GEN_RCV_OK:
723: *((le32 *) outbuf) = cpu_to_le32(0);
724: return sizeof(le32);
725:
726: /* mandatory */
727: case OID_GEN_XMIT_ERROR:
728: *((le32 *) outbuf) = cpu_to_le32(0);
729: return sizeof(le32);
730:
731: /* mandatory */
732: case OID_GEN_RCV_ERROR:
733: *((le32 *) outbuf) = cpu_to_le32(0);
734: return sizeof(le32);
735:
736: /* mandatory */
737: case OID_GEN_RCV_NO_BUFFER:
738: *((le32 *) outbuf) = cpu_to_le32(0);
739: return sizeof(le32);
740:
741: /* ieee802.3 OIDs (table 4-3) */
742: /* mandatory */
743: case OID_802_3_PERMANENT_ADDRESS:
744: memcpy(outbuf, s->mac, 6);
745: return 6;
746:
747: /* mandatory */
748: case OID_802_3_CURRENT_ADDRESS:
749: memcpy(outbuf, s->mac, 6);
750: return 6;
751:
752: /* mandatory */
753: case OID_802_3_MULTICAST_LIST:
754: *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
755: return sizeof(le32);
756:
757: /* mandatory */
758: case OID_802_3_MAXIMUM_LIST_SIZE:
759: *((le32 *) outbuf) = cpu_to_le32(1);
760: return sizeof(le32);
761:
762: case OID_802_3_MAC_OPTIONS:
763: return 0;
764:
765: /* ieee802.3 statistics OIDs (table 4-4) */
766: /* mandatory */
767: case OID_802_3_RCV_ERROR_ALIGNMENT:
768: *((le32 *) outbuf) = cpu_to_le32(0);
769: return sizeof(le32);
770:
771: /* mandatory */
772: case OID_802_3_XMIT_ONE_COLLISION:
773: *((le32 *) outbuf) = cpu_to_le32(0);
774: return sizeof(le32);
775:
776: /* mandatory */
777: case OID_802_3_XMIT_MORE_COLLISIONS:
778: *((le32 *) outbuf) = cpu_to_le32(0);
779: return sizeof(le32);
780:
781: default:
782: fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
783: return 0;
784: }
785: return -1;
786: }
787:
788: static int ndis_set(USBNetState *s, uint32_t oid,
789: uint8_t *inbuf, unsigned int inlen)
790: {
791: switch (oid) {
792: case OID_GEN_CURRENT_PACKET_FILTER:
793: s->filter = le32_to_cpup((le32 *) inbuf);
794: if (s->filter) {
795: s->rndis_state = RNDIS_DATA_INITIALIZED;
796: } else {
797: s->rndis_state = RNDIS_INITIALIZED;
798: }
799: return 0;
800:
801: case OID_802_3_MULTICAST_LIST:
802: return 0;
803: }
804: return -1;
805: }
806:
807: static int rndis_get_response(USBNetState *s, uint8_t *buf)
808: {
809: int ret = 0;
810: struct rndis_response *r = s->rndis_resp.tqh_first;
811:
812: if (!r)
813: return ret;
814:
815: TAILQ_REMOVE(&s->rndis_resp, r, entries);
816: ret = r->length;
817: memcpy(buf, r->buf, r->length);
818: qemu_free(r);
819:
820: return ret;
821: }
822:
823: static void *rndis_queue_response(USBNetState *s, unsigned int length)
824: {
825: struct rndis_response *r =
826: qemu_mallocz(sizeof(struct rndis_response) + length);
827:
828: TAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
829: r->length = length;
830:
831: return &r->buf[0];
832: }
833:
834: static void rndis_clear_responsequeue(USBNetState *s)
835: {
836: struct rndis_response *r;
837:
838: while ((r = s->rndis_resp.tqh_first)) {
839: TAILQ_REMOVE(&s->rndis_resp, r, entries);
840: qemu_free(r);
841: }
842: }
843:
844: static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
845: {
846: rndis_init_cmplt_type *resp =
847: rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
848:
849: if (!resp)
850: return USB_RET_STALL;
851:
852: resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
853: resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
854: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
855: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
856: resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
857: resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
858: resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
859: resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
860: resp->MaxPacketsPerTransfer = cpu_to_le32(1);
861: resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
862: sizeof(struct rndis_packet_msg_type) + 22);
863: resp->PacketAlignmentFactor = cpu_to_le32(0);
864: resp->AFListOffset = cpu_to_le32(0);
865: resp->AFListSize = cpu_to_le32(0);
866: return 0;
867: }
868:
869: static int rndis_query_response(USBNetState *s,
870: rndis_query_msg_type *buf, unsigned int length)
871: {
872: rndis_query_cmplt_type *resp;
873: /* oid_supported_list is the largest data reply */
874: uint8_t infobuf[sizeof(oid_supported_list)];
875: uint32_t bufoffs, buflen;
876: int infobuflen;
877: unsigned int resplen;
878:
879: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
880: buflen = le32_to_cpu(buf->InformationBufferLength);
881: if (bufoffs + buflen > length)
882: return USB_RET_STALL;
883:
884: infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
885: bufoffs + (uint8_t *) buf, buflen, infobuf,
886: sizeof(infobuf));
887: resplen = sizeof(rndis_query_cmplt_type) +
888: ((infobuflen < 0) ? 0 : infobuflen);
889: resp = rndis_queue_response(s, resplen);
890: if (!resp)
891: return USB_RET_STALL;
892:
893: resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
894: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
895: resp->MessageLength = cpu_to_le32(resplen);
896:
897: if (infobuflen < 0) {
898: /* OID not supported */
899: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
900: resp->InformationBufferLength = cpu_to_le32(0);
901: resp->InformationBufferOffset = cpu_to_le32(0);
902: return 0;
903: }
904:
905: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
906: resp->InformationBufferOffset =
907: cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
908: resp->InformationBufferLength = cpu_to_le32(infobuflen);
909: memcpy(resp + 1, infobuf, infobuflen);
910:
911: return 0;
912: }
913:
914: static int rndis_set_response(USBNetState *s,
915: rndis_set_msg_type *buf, unsigned int length)
916: {
917: rndis_set_cmplt_type *resp =
918: rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
919: uint32_t bufoffs, buflen;
920: int ret;
921:
922: if (!resp)
923: return USB_RET_STALL;
924:
925: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
926: buflen = le32_to_cpu(buf->InformationBufferLength);
927: if (bufoffs + buflen > length)
928: return USB_RET_STALL;
929:
930: ret = ndis_set(s, le32_to_cpu(buf->OID),
931: bufoffs + (uint8_t *) buf, buflen);
932: resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
933: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
934: resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
935: if (ret < 0) {
936: /* OID not supported */
937: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
938: return 0;
939: }
940: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
941:
942: return 0;
943: }
944:
945: static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
946: {
947: rndis_reset_cmplt_type *resp =
948: rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
949:
950: if (!resp)
951: return USB_RET_STALL;
952:
953: resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
954: resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
955: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
956: resp->AddressingReset = cpu_to_le32(1); /* reset information */
957:
958: return 0;
959: }
960:
961: static int rndis_keepalive_response(USBNetState *s,
962: rndis_keepalive_msg_type *buf)
963: {
964: rndis_keepalive_cmplt_type *resp =
965: rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
966:
967: if (!resp)
968: return USB_RET_STALL;
969:
970: resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
971: resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
972: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
973: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
974:
975: return 0;
976: }
977:
978: static int rndis_parse(USBNetState *s, uint8_t *data, int length)
979: {
980: uint32_t msg_type, msg_length;
981: le32 *tmp = (le32 *) data;
982:
983: msg_type = le32_to_cpup(tmp++);
984: msg_length = le32_to_cpup(tmp++);
985:
986: switch (msg_type) {
987: case RNDIS_INITIALIZE_MSG:
988: s->rndis_state = RNDIS_INITIALIZED;
989: return rndis_init_response(s, (rndis_init_msg_type *) data);
990:
991: case RNDIS_HALT_MSG:
992: s->rndis_state = RNDIS_UNINITIALIZED;
993: return 0;
994:
995: case RNDIS_QUERY_MSG:
996: return rndis_query_response(s, (rndis_query_msg_type *) data, length);
997:
998: case RNDIS_SET_MSG:
999: return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1000:
1001: case RNDIS_RESET_MSG:
1002: rndis_clear_responsequeue(s);
1003: s->out_ptr = s->in_ptr = s->in_len = 0;
1004: return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1005:
1006: case RNDIS_KEEPALIVE_MSG:
1007: /* For USB: host does this every 5 seconds */
1008: return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1009: }
1010:
1011: return USB_RET_STALL;
1012: }
1013:
1014: static void usb_net_handle_reset(USBDevice *dev)
1015: {
1016: }
1017:
1018: static const char * const usb_net_stringtable[] = {
1019: [STRING_MANUFACTURER] = "QEMU",
1020: [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
1021: [STRING_ETHADDR] = "400102030405",
1022: [STRING_DATA] = "QEMU USB Net Data Interface",
1023: [STRING_CONTROL] = "QEMU USB Net Control Interface",
1024: [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
1025: [STRING_CDC] = "QEMU USB Net CDC",
1026: [STRING_SUBSET] = "QEMU USB Net Subset",
1027: [STRING_RNDIS] = "QEMU USB Net RNDIS",
1028: [STRING_SERIALNUMBER] = "1",
1029: };
1030:
1031: static int usb_net_handle_control(USBDevice *dev, int request, int value,
1032: int index, int length, uint8_t *data)
1033: {
1034: USBNetState *s = (USBNetState *) dev;
1035: int ret = 0;
1036:
1037: switch(request) {
1038: case DeviceRequest | USB_REQ_GET_STATUS:
1039: data[0] = (1 << USB_DEVICE_SELF_POWERED) |
1040: (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
1041: data[1] = 0x00;
1042: ret = 2;
1043: break;
1044:
1045: case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
1046: if (value == USB_DEVICE_REMOTE_WAKEUP) {
1047: dev->remote_wakeup = 0;
1048: } else {
1049: goto fail;
1050: }
1051: ret = 0;
1052: break;
1053:
1054: case DeviceOutRequest | USB_REQ_SET_FEATURE:
1055: if (value == USB_DEVICE_REMOTE_WAKEUP) {
1056: dev->remote_wakeup = 1;
1057: } else {
1058: goto fail;
1059: }
1060: ret = 0;
1061: break;
1062:
1063: case DeviceOutRequest | USB_REQ_SET_ADDRESS:
1064: dev->addr = value;
1065: ret = 0;
1066: break;
1067:
1068: case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1069: if (!s->rndis || value || index != 0)
1070: goto fail;
1071: #ifdef TRAFFIC_DEBUG
1072: {
1073: unsigned int i;
1074: fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1075: for (i = 0; i < length; i++) {
1076: if (!(i & 15))
1077: fprintf(stderr, "\n%04x:", i);
1078: fprintf(stderr, " %02x", data[i]);
1079: }
1080: fprintf(stderr, "\n\n");
1081: }
1082: #endif
1083: ret = rndis_parse(s, data, length);
1084: break;
1085:
1086: case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1087: if (!s->rndis || value || index != 0)
1088: goto fail;
1089: ret = rndis_get_response(s, data);
1090: if (!ret) {
1091: data[0] = 0;
1092: ret = 1;
1093: }
1094: #ifdef TRAFFIC_DEBUG
1095: {
1096: unsigned int i;
1097: fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1098: for (i = 0; i < ret; i++) {
1099: if (!(i & 15))
1100: fprintf(stderr, "\n%04x:", i);
1101: fprintf(stderr, " %02x", data[i]);
1102: }
1103: fprintf(stderr, "\n\n");
1104: }
1105: #endif
1106: break;
1107:
1108: case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
1109: switch(value >> 8) {
1110: case USB_DT_DEVICE:
1111: ret = sizeof(qemu_net_dev_descriptor);
1112: memcpy(data, qemu_net_dev_descriptor, ret);
1113: break;
1114:
1115: case USB_DT_CONFIG:
1116: switch (value & 0xff) {
1117: case 0:
1118: ret = sizeof(qemu_net_rndis_config_descriptor);
1119: memcpy(data, qemu_net_rndis_config_descriptor, ret);
1120: break;
1121:
1122: case 1:
1123: ret = sizeof(qemu_net_cdc_config_descriptor);
1124: memcpy(data, qemu_net_cdc_config_descriptor, ret);
1125: break;
1126:
1127: default:
1128: goto fail;
1129: }
1130:
1131: data[2] = ret & 0xff;
1132: data[3] = ret >> 8;
1133: break;
1134:
1135: case USB_DT_STRING:
1136: switch (value & 0xff) {
1137: case 0:
1138: /* language ids */
1139: data[0] = 4;
1140: data[1] = 3;
1141: data[2] = 0x09;
1142: data[3] = 0x04;
1143: ret = 4;
1144: break;
1145:
1146: case STRING_ETHADDR:
1147: ret = set_usb_string(data, s->usbstring_mac);
1148: break;
1149:
1150: default:
1151: if (usb_net_stringtable[value & 0xff]) {
1152: ret = set_usb_string(data,
1153: usb_net_stringtable[value & 0xff]);
1154: break;
1155: }
1156:
1157: goto fail;
1158: }
1159: break;
1160:
1161: default:
1162: goto fail;
1163: }
1164: break;
1165:
1166: case DeviceRequest | USB_REQ_GET_CONFIGURATION:
1167: data[0] = s->rndis ? DEV_RNDIS_CONFIG_VALUE : DEV_CONFIG_VALUE;
1168: ret = 1;
1169: break;
1170:
1171: case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
1172: switch (value & 0xff) {
1173: case DEV_CONFIG_VALUE:
1174: s->rndis = 0;
1175: break;
1176:
1177: case DEV_RNDIS_CONFIG_VALUE:
1178: s->rndis = 1;
1179: break;
1180:
1181: default:
1182: goto fail;
1183: }
1184: ret = 0;
1185: break;
1186:
1187: case DeviceRequest | USB_REQ_GET_INTERFACE:
1188: case InterfaceRequest | USB_REQ_GET_INTERFACE:
1189: data[0] = 0;
1190: ret = 1;
1191: break;
1192:
1193: case DeviceOutRequest | USB_REQ_SET_INTERFACE:
1194: case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
1195: ret = 0;
1196: break;
1197:
1198: default:
1199: fail:
1200: fprintf(stderr, "usbnet: failed control transaction: "
1201: "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1202: request, value, index, length);
1203: ret = USB_RET_STALL;
1204: break;
1205: }
1206: return ret;
1207: }
1208:
1209: static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1210: {
1211: int ret = 8;
1212:
1213: if (p->len < 8)
1214: return USB_RET_STALL;
1215:
1216: ((le32 *) p->data)[0] = cpu_to_le32(1);
1217: ((le32 *) p->data)[1] = cpu_to_le32(0);
1218: if (!s->rndis_resp.tqh_first)
1219: ret = USB_RET_NAK;
1220:
1221: #ifdef TRAFFIC_DEBUG
1222: fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
1223: {
1224: int i;
1225: fprintf(stderr, ":");
1226: for (i = 0; i < ret; i++) {
1227: if (!(i & 15))
1228: fprintf(stderr, "\n%04x:", i);
1229: fprintf(stderr, " %02x", p->data[i]);
1230: }
1231: fprintf(stderr, "\n\n");
1232: }
1233: #endif
1234:
1235: return ret;
1236: }
1237:
1238: static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
1239: {
1240: int ret = USB_RET_NAK;
1241:
1242: if (s->in_ptr > s->in_len) {
1243: s->in_ptr = s->in_len = 0;
1244: ret = USB_RET_NAK;
1245: return ret;
1246: }
1247: if (!s->in_len) {
1248: ret = USB_RET_NAK;
1249: return ret;
1250: }
1251: ret = s->in_len - s->in_ptr;
1252: if (ret > p->len)
1253: ret = p->len;
1254: memcpy(p->data, &s->in_buf[s->in_ptr], ret);
1255: s->in_ptr += ret;
1256: if (s->in_ptr >= s->in_len &&
1257: (s->rndis || (s->in_len & (64 - 1)) || !ret)) {
1258: /* no short packet necessary */
1259: s->in_ptr = s->in_len = 0;
1260: }
1261:
1262: #ifdef TRAFFIC_DEBUG
1263: fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
1264: {
1265: int i;
1266: fprintf(stderr, ":");
1267: for (i = 0; i < ret; i++) {
1268: if (!(i & 15))
1269: fprintf(stderr, "\n%04x:", i);
1270: fprintf(stderr, " %02x", p->data[i]);
1271: }
1272: fprintf(stderr, "\n\n");
1273: }
1274: #endif
1275:
1276: return ret;
1277: }
1278:
1279: static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1280: {
1281: int ret = p->len;
1282: int sz = sizeof(s->out_buf) - s->out_ptr;
1283: struct rndis_packet_msg_type *msg =
1284: (struct rndis_packet_msg_type *) s->out_buf;
1285: uint32_t len;
1286:
1287: #ifdef TRAFFIC_DEBUG
1288: fprintf(stderr, "usbnet: data out len %u\n", p->len);
1289: {
1290: int i;
1291: fprintf(stderr, ":");
1292: for (i = 0; i < p->len; i++) {
1293: if (!(i & 15))
1294: fprintf(stderr, "\n%04x:", i);
1295: fprintf(stderr, " %02x", p->data[i]);
1296: }
1297: fprintf(stderr, "\n\n");
1298: }
1299: #endif
1300:
1301: if (sz > ret)
1302: sz = ret;
1303: memcpy(&s->out_buf[s->out_ptr], p->data, sz);
1304: s->out_ptr += sz;
1305:
1306: if (!s->rndis) {
1307: if (ret < 64) {
1308: qemu_send_packet(s->vc, s->out_buf, s->out_ptr);
1309: s->out_ptr = 0;
1310: }
1311: return ret;
1312: }
1313: len = le32_to_cpu(msg->MessageLength);
1314: if (s->out_ptr < 8 || s->out_ptr < len)
1315: return ret;
1316: if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1317: uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1318: uint32_t size = le32_to_cpu(msg->DataLength);
1319: if (offs + size <= len)
1320: qemu_send_packet(s->vc, s->out_buf + offs, size);
1321: }
1322: s->out_ptr -= len;
1323: memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1324:
1325: return ret;
1326: }
1327:
1328: static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
1329: {
1330: USBNetState *s = (USBNetState *) dev;
1331: int ret = 0;
1332:
1333: switch(p->pid) {
1334: case USB_TOKEN_IN:
1335: switch (p->devep) {
1336: case 1:
1337: ret = usb_net_handle_statusin(s, p);
1338: break;
1339:
1340: case 2:
1341: ret = usb_net_handle_datain(s, p);
1342: break;
1343:
1344: default:
1345: goto fail;
1346: }
1347: break;
1348:
1349: case USB_TOKEN_OUT:
1350: switch (p->devep) {
1351: case 2:
1352: ret = usb_net_handle_dataout(s, p);
1353: break;
1354:
1355: default:
1356: goto fail;
1357: }
1358: break;
1359:
1360: default:
1361: fail:
1362: ret = USB_RET_STALL;
1363: break;
1364: }
1365: if (ret == USB_RET_STALL)
1366: fprintf(stderr, "usbnet: failed data transaction: "
1367: "pid 0x%x ep 0x%x len 0x%x\n",
1368: p->pid, p->devep, p->len);
1369: return ret;
1370: }
1371:
1372: static void usbnet_receive(void *opaque, const uint8_t *buf, int size)
1373: {
1374: USBNetState *s = opaque;
1375: struct rndis_packet_msg_type *msg;
1376:
1377: if (s->rndis) {
1378: msg = (struct rndis_packet_msg_type *) s->in_buf;
1379: if (!s->rndis_state == RNDIS_DATA_INITIALIZED)
1380: return;
1381: if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
1382: return;
1383:
1384: memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1385: msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1386: msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
1387: msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
1388: msg->DataLength = cpu_to_le32(size);
1389: /* msg->OOBDataOffset;
1390: * msg->OOBDataLength;
1391: * msg->NumOOBDataElements;
1392: * msg->PerPacketInfoOffset;
1393: * msg->PerPacketInfoLength;
1394: * msg->VcHandle;
1395: * msg->Reserved;
1396: */
1397: memcpy(msg + 1, buf, size);
1398: s->in_len = size + sizeof(struct rndis_packet_msg_type);
1399: } else {
1400: if (size > sizeof(s->in_buf))
1401: return;
1402: memcpy(s->in_buf, buf, size);
1403: s->in_len = size;
1404: }
1405: s->in_ptr = 0;
1406: }
1407:
1408: static int usbnet_can_receive(void *opaque)
1409: {
1410: USBNetState *s = opaque;
1411:
1412: if (s->rndis && !s->rndis_state == RNDIS_DATA_INITIALIZED)
1413: return 1;
1414:
1415: return !s->in_len;
1416: }
1417:
1.1.1.2 ! root 1418: static void usbnet_cleanup(VLANClientState *vc)
! 1419: {
! 1420: USBNetState *s = vc->opaque;
! 1421:
! 1422: rndis_clear_responsequeue(s);
! 1423: qemu_free(s);
! 1424: }
! 1425:
1.1 root 1426: static void usb_net_handle_destroy(USBDevice *dev)
1427: {
1428: USBNetState *s = (USBNetState *) dev;
1429:
1430: /* TODO: remove the nd_table[] entry */
1431: qemu_del_vlan_client(s->vc);
1432: }
1433:
1434: USBDevice *usb_net_init(NICInfo *nd)
1435: {
1436: USBNetState *s;
1437:
1438: s = qemu_mallocz(sizeof(USBNetState));
1439: s->dev.speed = USB_SPEED_FULL;
1440: s->dev.handle_packet = usb_generic_handle_packet;
1441:
1442: s->dev.handle_reset = usb_net_handle_reset;
1443: s->dev.handle_control = usb_net_handle_control;
1444: s->dev.handle_data = usb_net_handle_data;
1445: s->dev.handle_destroy = usb_net_handle_destroy;
1446:
1447: s->rndis = 1;
1448: s->rndis_state = RNDIS_UNINITIALIZED;
1449: s->medium = 0; /* NDIS_MEDIUM_802_3 */
1450: s->speed = 1000000; /* 100MBps, in 100Bps units */
1451: s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1452: s->filter = 0;
1453: s->vendorid = 0x1234;
1454:
1455: memcpy(s->mac, nd->macaddr, 6);
1456: TAILQ_INIT(&s->rndis_resp);
1457:
1458: pstrcpy(s->dev.devname, sizeof(s->dev.devname),
1459: "QEMU USB Network Interface");
1460: s->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
1.1.1.2 ! root 1461: usbnet_receive,
! 1462: usbnet_can_receive,
! 1463: usbnet_cleanup, s);
1.1 root 1464:
1465: qemu_format_nic_info_str(s->vc, s->mac);
1466:
1467: snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1468: "%02x%02x%02x%02x%02x%02x",
1469: 0x40, s->mac[1], s->mac[2],
1470: s->mac[3], s->mac[4], s->mac[5]);
1471: fprintf(stderr, "usbnet: initialized mac %02x:%02x:%02x:%02x:%02x:%02x\n",
1472: s->mac[0], s->mac[1], s->mac[2],
1473: s->mac[3], s->mac[4], s->mac[5]);
1474:
1475: return (USBDevice *) s;
1476: }
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