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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"
1.1.1.4 root 29: #include "qemu-queue.h"
1.1 root 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 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: /*
92: * mostly the same descriptor as the linux gadget rndis driver
93: */
94: static const uint8_t qemu_net_dev_descriptor[] = {
95: 0x12, /* u8 bLength; */
96: USB_DT_DEVICE, /* u8 bDescriptorType; Device */
97: 0x00, 0x02, /* u16 bcdUSB; v2.0 */
98: USB_CLASS_COMM, /* u8 bDeviceClass; */
99: 0x00, /* u8 bDeviceSubClass; */
100: 0x00, /* u8 bDeviceProtocol; [ low/full only ] */
101: 0x40, /* u8 bMaxPacketSize0 */
102: RNDIS_VENDOR_NUM & 0xff, RNDIS_VENDOR_NUM >> 8, /* u16 idVendor; */
103: RNDIS_PRODUCT_NUM & 0xff, RNDIS_PRODUCT_NUM >> 8, /* u16 idProduct; */
104: 0x00, 0x00, /* u16 bcdDevice */
105: STRING_MANUFACTURER, /* u8 iManufacturer; */
106: STRING_PRODUCT, /* u8 iProduct; */
107: STRING_SERIALNUMBER, /* u8 iSerialNumber; */
108: 0x02, /* u8 bNumConfigurations; */
109: };
110:
111: static const uint8_t qemu_net_rndis_config_descriptor[] = {
112: /* Configuration Descriptor */
113: 0x09, /* u8 bLength */
114: USB_DT_CONFIG, /* u8 bDescriptorType */
115: 0x43, 0x00, /* le16 wTotalLength */
116: 0x02, /* u8 bNumInterfaces */
117: DEV_RNDIS_CONFIG_VALUE, /* u8 bConfigurationValue */
118: STRING_RNDIS, /* u8 iConfiguration */
119: 0xc0, /* u8 bmAttributes */
120: 0x32, /* u8 bMaxPower */
121: /* RNDIS Control Interface */
122: 0x09, /* u8 bLength */
123: USB_DT_INTERFACE, /* u8 bDescriptorType */
124: 0x00, /* u8 bInterfaceNumber */
125: 0x00, /* u8 bAlternateSetting */
126: 0x01, /* u8 bNumEndpoints */
127: USB_CLASS_COMM, /* u8 bInterfaceClass */
128: USB_CDC_SUBCLASS_ACM, /* u8 bInterfaceSubClass */
129: USB_CDC_ACM_PROTO_VENDOR, /* u8 bInterfaceProtocol */
130: STRING_RNDIS_CONTROL, /* u8 iInterface */
131: /* Header Descriptor */
132: 0x05, /* u8 bLength */
133: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
134: USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
135: 0x10, 0x01, /* le16 bcdCDC */
136: /* Call Management Descriptor */
137: 0x05, /* u8 bLength */
138: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
139: USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
140: 0x00, /* u8 bmCapabilities */
141: 0x01, /* u8 bDataInterface */
142: /* ACM Descriptor */
143: 0x04, /* u8 bLength */
144: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
145: USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
146: 0x00, /* u8 bmCapabilities */
147: /* Union Descriptor */
148: 0x05, /* u8 bLength */
149: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
150: USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
151: 0x00, /* u8 bMasterInterface0 */
152: 0x01, /* u8 bSlaveInterface0 */
153: /* Status Descriptor */
154: 0x07, /* u8 bLength */
155: USB_DT_ENDPOINT, /* u8 bDescriptorType */
156: USB_DIR_IN | 1, /* u8 bEndpointAddress */
157: USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
158: STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
159: 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
160: /* RNDIS Data Interface */
161: 0x09, /* u8 bLength */
162: USB_DT_INTERFACE, /* u8 bDescriptorType */
163: 0x01, /* u8 bInterfaceNumber */
164: 0x00, /* u8 bAlternateSetting */
165: 0x02, /* u8 bNumEndpoints */
166: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
167: 0x00, /* u8 bInterfaceSubClass */
168: 0x00, /* u8 bInterfaceProtocol */
169: STRING_DATA, /* u8 iInterface */
170: /* Source Endpoint */
171: 0x07, /* u8 bLength */
172: USB_DT_ENDPOINT, /* u8 bDescriptorType */
173: USB_DIR_IN | 2, /* u8 bEndpointAddress */
174: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
175: 0x40, 0x00, /* le16 wMaxPacketSize */
176: 0x00, /* u8 bInterval */
177: /* Sink Endpoint */
178: 0x07, /* u8 bLength */
179: USB_DT_ENDPOINT, /* u8 bDescriptorType */
180: USB_DIR_OUT | 2, /* u8 bEndpointAddress */
181: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
182: 0x40, 0x00, /* le16 wMaxPacketSize */
183: 0x00 /* u8 bInterval */
184: };
185:
186: static const uint8_t qemu_net_cdc_config_descriptor[] = {
187: /* Configuration Descriptor */
188: 0x09, /* u8 bLength */
189: USB_DT_CONFIG, /* u8 bDescriptorType */
190: 0x50, 0x00, /* le16 wTotalLength */
191: 0x02, /* u8 bNumInterfaces */
192: DEV_CONFIG_VALUE, /* u8 bConfigurationValue */
193: STRING_CDC, /* u8 iConfiguration */
194: 0xc0, /* u8 bmAttributes */
195: 0x32, /* u8 bMaxPower */
196: /* CDC Control Interface */
197: 0x09, /* u8 bLength */
198: USB_DT_INTERFACE, /* u8 bDescriptorType */
199: 0x00, /* u8 bInterfaceNumber */
200: 0x00, /* u8 bAlternateSetting */
201: 0x01, /* u8 bNumEndpoints */
202: USB_CLASS_COMM, /* u8 bInterfaceClass */
203: USB_CDC_SUBCLASS_ETHERNET, /* u8 bInterfaceSubClass */
204: USB_CDC_PROTO_NONE, /* u8 bInterfaceProtocol */
205: STRING_CONTROL, /* u8 iInterface */
206: /* Header Descriptor */
207: 0x05, /* u8 bLength */
208: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
209: USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
210: 0x10, 0x01, /* le16 bcdCDC */
211: /* Union Descriptor */
212: 0x05, /* u8 bLength */
213: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
214: USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
215: 0x00, /* u8 bMasterInterface0 */
216: 0x01, /* u8 bSlaveInterface0 */
217: /* Ethernet Descriptor */
218: 0x0d, /* u8 bLength */
219: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
220: USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */
221: STRING_ETHADDR, /* u8 iMACAddress */
222: 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */
223: ETH_FRAME_LEN & 0xff, ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */
224: 0x00, 0x00, /* le16 wNumberMCFilters */
225: 0x00, /* u8 bNumberPowerFilters */
226: /* Status Descriptor */
227: 0x07, /* u8 bLength */
228: USB_DT_ENDPOINT, /* u8 bDescriptorType */
229: USB_DIR_IN | 1, /* u8 bEndpointAddress */
230: USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
231: STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
232: 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
233: /* CDC Data (nop) Interface */
234: 0x09, /* u8 bLength */
235: USB_DT_INTERFACE, /* u8 bDescriptorType */
236: 0x01, /* u8 bInterfaceNumber */
237: 0x00, /* u8 bAlternateSetting */
238: 0x00, /* u8 bNumEndpoints */
239: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
240: 0x00, /* u8 bInterfaceSubClass */
241: 0x00, /* u8 bInterfaceProtocol */
242: 0x00, /* u8 iInterface */
243: /* CDC Data Interface */
244: 0x09, /* u8 bLength */
245: USB_DT_INTERFACE, /* u8 bDescriptorType */
246: 0x01, /* u8 bInterfaceNumber */
247: 0x01, /* u8 bAlternateSetting */
248: 0x02, /* u8 bNumEndpoints */
249: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
250: 0x00, /* u8 bInterfaceSubClass */
251: 0x00, /* u8 bInterfaceProtocol */
252: STRING_DATA, /* u8 iInterface */
253: /* Source Endpoint */
254: 0x07, /* u8 bLength */
255: USB_DT_ENDPOINT, /* u8 bDescriptorType */
256: USB_DIR_IN | 2, /* u8 bEndpointAddress */
257: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
258: 0x40, 0x00, /* le16 wMaxPacketSize */
259: 0x00, /* u8 bInterval */
260: /* Sink Endpoint */
261: 0x07, /* u8 bLength */
262: USB_DT_ENDPOINT, /* u8 bDescriptorType */
263: USB_DIR_OUT | 2, /* u8 bEndpointAddress */
264: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
265: 0x40, 0x00, /* le16 wMaxPacketSize */
266: 0x00 /* u8 bInterval */
267: };
268:
269: /*
270: * RNDIS Definitions - in theory not specific to USB.
271: */
272: #define RNDIS_MAXIMUM_FRAME_SIZE 1518
273: #define RNDIS_MAX_TOTAL_SIZE 1558
274:
275: /* Remote NDIS Versions */
276: #define RNDIS_MAJOR_VERSION 1
277: #define RNDIS_MINOR_VERSION 0
278:
279: /* Status Values */
280: #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */
281: #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */
282: #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */
283: #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */
284: #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */
285: #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */
286:
287: /* Message Set for Connectionless (802.3) Devices */
288: enum {
289: RNDIS_PACKET_MSG = 1,
290: RNDIS_INITIALIZE_MSG = 2, /* Initialize device */
291: RNDIS_HALT_MSG = 3,
292: RNDIS_QUERY_MSG = 4,
293: RNDIS_SET_MSG = 5,
294: RNDIS_RESET_MSG = 6,
295: RNDIS_INDICATE_STATUS_MSG = 7,
296: RNDIS_KEEPALIVE_MSG = 8,
297: };
298:
299: /* Message completion */
300: enum {
301: RNDIS_INITIALIZE_CMPLT = 0x80000002U,
302: RNDIS_QUERY_CMPLT = 0x80000004U,
303: RNDIS_SET_CMPLT = 0x80000005U,
304: RNDIS_RESET_CMPLT = 0x80000006U,
305: RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
306: };
307:
308: /* Device Flags */
309: enum {
310: RNDIS_DF_CONNECTIONLESS = 1,
311: RNDIS_DF_CONNECTIONORIENTED = 2,
312: };
313:
314: #define RNDIS_MEDIUM_802_3 0x00000000U
315:
316: /* from drivers/net/sk98lin/h/skgepnmi.h */
317: #define OID_PNP_CAPABILITIES 0xfd010100
318: #define OID_PNP_SET_POWER 0xfd010101
319: #define OID_PNP_QUERY_POWER 0xfd010102
320: #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
321: #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
322: #define OID_PNP_ENABLE_WAKE_UP 0xfd010106
323:
324: typedef uint32_t le32;
325:
326: typedef struct rndis_init_msg_type {
327: le32 MessageType;
328: le32 MessageLength;
329: le32 RequestID;
330: le32 MajorVersion;
331: le32 MinorVersion;
332: le32 MaxTransferSize;
333: } rndis_init_msg_type;
334:
335: typedef struct rndis_init_cmplt_type {
336: le32 MessageType;
337: le32 MessageLength;
338: le32 RequestID;
339: le32 Status;
340: le32 MajorVersion;
341: le32 MinorVersion;
342: le32 DeviceFlags;
343: le32 Medium;
344: le32 MaxPacketsPerTransfer;
345: le32 MaxTransferSize;
346: le32 PacketAlignmentFactor;
347: le32 AFListOffset;
348: le32 AFListSize;
349: } rndis_init_cmplt_type;
350:
351: typedef struct rndis_halt_msg_type {
352: le32 MessageType;
353: le32 MessageLength;
354: le32 RequestID;
355: } rndis_halt_msg_type;
356:
357: typedef struct rndis_query_msg_type {
358: le32 MessageType;
359: le32 MessageLength;
360: le32 RequestID;
361: le32 OID;
362: le32 InformationBufferLength;
363: le32 InformationBufferOffset;
364: le32 DeviceVcHandle;
365: } rndis_query_msg_type;
366:
367: typedef struct rndis_query_cmplt_type {
368: le32 MessageType;
369: le32 MessageLength;
370: le32 RequestID;
371: le32 Status;
372: le32 InformationBufferLength;
373: le32 InformationBufferOffset;
374: } rndis_query_cmplt_type;
375:
376: typedef struct rndis_set_msg_type {
377: le32 MessageType;
378: le32 MessageLength;
379: le32 RequestID;
380: le32 OID;
381: le32 InformationBufferLength;
382: le32 InformationBufferOffset;
383: le32 DeviceVcHandle;
384: } rndis_set_msg_type;
385:
386: typedef struct rndis_set_cmplt_type {
387: le32 MessageType;
388: le32 MessageLength;
389: le32 RequestID;
390: le32 Status;
391: } rndis_set_cmplt_type;
392:
393: typedef struct rndis_reset_msg_type {
394: le32 MessageType;
395: le32 MessageLength;
396: le32 Reserved;
397: } rndis_reset_msg_type;
398:
399: typedef struct rndis_reset_cmplt_type {
400: le32 MessageType;
401: le32 MessageLength;
402: le32 Status;
403: le32 AddressingReset;
404: } rndis_reset_cmplt_type;
405:
406: typedef struct rndis_indicate_status_msg_type {
407: le32 MessageType;
408: le32 MessageLength;
409: le32 Status;
410: le32 StatusBufferLength;
411: le32 StatusBufferOffset;
412: } rndis_indicate_status_msg_type;
413:
414: typedef struct rndis_keepalive_msg_type {
415: le32 MessageType;
416: le32 MessageLength;
417: le32 RequestID;
418: } rndis_keepalive_msg_type;
419:
420: typedef struct rndis_keepalive_cmplt_type {
421: le32 MessageType;
422: le32 MessageLength;
423: le32 RequestID;
424: le32 Status;
425: } rndis_keepalive_cmplt_type;
426:
427: struct rndis_packet_msg_type {
428: le32 MessageType;
429: le32 MessageLength;
430: le32 DataOffset;
431: le32 DataLength;
432: le32 OOBDataOffset;
433: le32 OOBDataLength;
434: le32 NumOOBDataElements;
435: le32 PerPacketInfoOffset;
436: le32 PerPacketInfoLength;
437: le32 VcHandle;
438: le32 Reserved;
439: };
440:
441: struct rndis_config_parameter {
442: le32 ParameterNameOffset;
443: le32 ParameterNameLength;
444: le32 ParameterType;
445: le32 ParameterValueOffset;
446: le32 ParameterValueLength;
447: };
448:
449: /* implementation specific */
450: enum rndis_state
451: {
452: RNDIS_UNINITIALIZED,
453: RNDIS_INITIALIZED,
454: RNDIS_DATA_INITIALIZED,
455: };
456:
457: /* from ndis.h */
458: enum ndis_oid {
459: /* Required Object IDs (OIDs) */
460: OID_GEN_SUPPORTED_LIST = 0x00010101,
461: OID_GEN_HARDWARE_STATUS = 0x00010102,
462: OID_GEN_MEDIA_SUPPORTED = 0x00010103,
463: OID_GEN_MEDIA_IN_USE = 0x00010104,
464: OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
465: OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
466: OID_GEN_LINK_SPEED = 0x00010107,
467: OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
468: OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
469: OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
470: OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
471: OID_GEN_VENDOR_ID = 0x0001010c,
472: OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
473: OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
474: OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
475: OID_GEN_DRIVER_VERSION = 0x00010110,
476: OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
477: OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
478: OID_GEN_MAC_OPTIONS = 0x00010113,
479: OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
480: OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
481: OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
482: OID_GEN_SUPPORTED_GUIDS = 0x00010117,
483: OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
484: OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
485: OID_GEN_MACHINE_NAME = 0x0001021a,
486: OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
487: OID_GEN_VLAN_ID = 0x0001021c,
488:
489: /* Optional OIDs */
490: OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
491: OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
492:
493: /* Required statistics OIDs */
494: OID_GEN_XMIT_OK = 0x00020101,
495: OID_GEN_RCV_OK = 0x00020102,
496: OID_GEN_XMIT_ERROR = 0x00020103,
497: OID_GEN_RCV_ERROR = 0x00020104,
498: OID_GEN_RCV_NO_BUFFER = 0x00020105,
499:
500: /* Optional statistics OIDs */
501: OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
502: OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
503: OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
504: OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
505: OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
506: OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
507: OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
508: OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
509: OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
510: OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
511: OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
512: OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
513: OID_GEN_RCV_CRC_ERROR = 0x0002020d,
514: OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
515: OID_GEN_GET_TIME_CAPS = 0x0002020f,
516: OID_GEN_GET_NETCARD_TIME = 0x00020210,
517: OID_GEN_NETCARD_LOAD = 0x00020211,
518: OID_GEN_DEVICE_PROFILE = 0x00020212,
519: OID_GEN_INIT_TIME_MS = 0x00020213,
520: OID_GEN_RESET_COUNTS = 0x00020214,
521: OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
522: OID_GEN_FRIENDLY_NAME = 0x00020216,
523: OID_GEN_MINIPORT_INFO = 0x00020217,
524: OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
525:
526: /* IEEE 802.3 (Ethernet) OIDs */
527: OID_802_3_PERMANENT_ADDRESS = 0x01010101,
528: OID_802_3_CURRENT_ADDRESS = 0x01010102,
529: OID_802_3_MULTICAST_LIST = 0x01010103,
530: OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
531: OID_802_3_MAC_OPTIONS = 0x01010105,
532: OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
533: OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
534: OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
535: OID_802_3_XMIT_DEFERRED = 0x01020201,
536: OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
537: OID_802_3_RCV_OVERRUN = 0x01020203,
538: OID_802_3_XMIT_UNDERRUN = 0x01020204,
539: OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
540: OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
541: OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
542: };
543:
544: static const uint32_t oid_supported_list[] =
545: {
546: /* the general stuff */
547: OID_GEN_SUPPORTED_LIST,
548: OID_GEN_HARDWARE_STATUS,
549: OID_GEN_MEDIA_SUPPORTED,
550: OID_GEN_MEDIA_IN_USE,
551: OID_GEN_MAXIMUM_FRAME_SIZE,
552: OID_GEN_LINK_SPEED,
553: OID_GEN_TRANSMIT_BLOCK_SIZE,
554: OID_GEN_RECEIVE_BLOCK_SIZE,
555: OID_GEN_VENDOR_ID,
556: OID_GEN_VENDOR_DESCRIPTION,
557: OID_GEN_VENDOR_DRIVER_VERSION,
558: OID_GEN_CURRENT_PACKET_FILTER,
559: OID_GEN_MAXIMUM_TOTAL_SIZE,
560: OID_GEN_MEDIA_CONNECT_STATUS,
561: OID_GEN_PHYSICAL_MEDIUM,
562:
563: /* the statistical stuff */
564: OID_GEN_XMIT_OK,
565: OID_GEN_RCV_OK,
566: OID_GEN_XMIT_ERROR,
567: OID_GEN_RCV_ERROR,
568: OID_GEN_RCV_NO_BUFFER,
569:
570: /* IEEE 802.3 */
571: /* the general stuff */
572: OID_802_3_PERMANENT_ADDRESS,
573: OID_802_3_CURRENT_ADDRESS,
574: OID_802_3_MULTICAST_LIST,
575: OID_802_3_MAC_OPTIONS,
576: OID_802_3_MAXIMUM_LIST_SIZE,
577:
578: /* the statistical stuff */
579: OID_802_3_RCV_ERROR_ALIGNMENT,
580: OID_802_3_XMIT_ONE_COLLISION,
581: OID_802_3_XMIT_MORE_COLLISIONS,
582: };
583:
584: #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
585: #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
586: #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
587: #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
588: #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
589: #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
590: #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
591:
592: struct rndis_response {
1.1.1.4 root 593: QTAILQ_ENTRY(rndis_response) entries;
1.1 root 594: uint32_t length;
595: uint8_t buf[0];
596: };
597:
598: typedef struct USBNetState {
599: USBDevice dev;
600:
601: unsigned int rndis;
602: enum rndis_state rndis_state;
603: uint32_t medium;
604: uint32_t speed;
605: uint32_t media_state;
606: uint16_t filter;
607: uint32_t vendorid;
608:
609: unsigned int out_ptr;
610: uint8_t out_buf[2048];
611:
612: USBPacket *inpkt;
613: unsigned int in_ptr, in_len;
614: uint8_t in_buf[2048];
615:
616: char usbstring_mac[13];
1.1.1.4 root 617: NICState *nic;
618: NICConf conf;
619: QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
1.1 root 620: } USBNetState;
621:
622: static int ndis_query(USBNetState *s, uint32_t oid,
623: uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
624: size_t outlen)
625: {
626: unsigned int i;
627:
628: switch (oid) {
629: /* general oids (table 4-1) */
630: /* mandatory */
631: case OID_GEN_SUPPORTED_LIST:
632: for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
633: ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
634: return sizeof(oid_supported_list);
635:
636: /* mandatory */
637: case OID_GEN_HARDWARE_STATUS:
638: *((le32 *) outbuf) = cpu_to_le32(0);
639: return sizeof(le32);
640:
641: /* mandatory */
642: case OID_GEN_MEDIA_SUPPORTED:
643: *((le32 *) outbuf) = cpu_to_le32(s->medium);
644: return sizeof(le32);
645:
646: /* mandatory */
647: case OID_GEN_MEDIA_IN_USE:
648: *((le32 *) outbuf) = cpu_to_le32(s->medium);
649: return sizeof(le32);
650:
651: /* mandatory */
652: case OID_GEN_MAXIMUM_FRAME_SIZE:
653: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
654: return sizeof(le32);
655:
656: /* mandatory */
657: case OID_GEN_LINK_SPEED:
658: *((le32 *) outbuf) = cpu_to_le32(s->speed);
659: return sizeof(le32);
660:
661: /* mandatory */
662: case OID_GEN_TRANSMIT_BLOCK_SIZE:
663: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
664: return sizeof(le32);
665:
666: /* mandatory */
667: case OID_GEN_RECEIVE_BLOCK_SIZE:
668: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
669: return sizeof(le32);
670:
671: /* mandatory */
672: case OID_GEN_VENDOR_ID:
673: *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
674: return sizeof(le32);
675:
676: /* mandatory */
677: case OID_GEN_VENDOR_DESCRIPTION:
678: pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
679: return strlen((char *)outbuf) + 1;
680:
681: case OID_GEN_VENDOR_DRIVER_VERSION:
682: *((le32 *) outbuf) = cpu_to_le32(1);
683: return sizeof(le32);
684:
685: /* mandatory */
686: case OID_GEN_CURRENT_PACKET_FILTER:
687: *((le32 *) outbuf) = cpu_to_le32(s->filter);
688: return sizeof(le32);
689:
690: /* mandatory */
691: case OID_GEN_MAXIMUM_TOTAL_SIZE:
692: *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
693: return sizeof(le32);
694:
695: /* mandatory */
696: case OID_GEN_MEDIA_CONNECT_STATUS:
697: *((le32 *) outbuf) = cpu_to_le32(s->media_state);
698: return sizeof(le32);
699:
700: case OID_GEN_PHYSICAL_MEDIUM:
701: *((le32 *) outbuf) = cpu_to_le32(0);
702: return sizeof(le32);
703:
704: case OID_GEN_MAC_OPTIONS:
705: *((le32 *) outbuf) = cpu_to_le32(
706: NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
707: NDIS_MAC_OPTION_FULL_DUPLEX);
708: return sizeof(le32);
709:
710: /* statistics OIDs (table 4-2) */
711: /* mandatory */
712: case OID_GEN_XMIT_OK:
713: *((le32 *) outbuf) = cpu_to_le32(0);
714: return sizeof(le32);
715:
716: /* mandatory */
717: case OID_GEN_RCV_OK:
718: *((le32 *) outbuf) = cpu_to_le32(0);
719: return sizeof(le32);
720:
721: /* mandatory */
722: case OID_GEN_XMIT_ERROR:
723: *((le32 *) outbuf) = cpu_to_le32(0);
724: return sizeof(le32);
725:
726: /* mandatory */
727: case OID_GEN_RCV_ERROR:
728: *((le32 *) outbuf) = cpu_to_le32(0);
729: return sizeof(le32);
730:
731: /* mandatory */
732: case OID_GEN_RCV_NO_BUFFER:
733: *((le32 *) outbuf) = cpu_to_le32(0);
734: return sizeof(le32);
735:
736: /* ieee802.3 OIDs (table 4-3) */
737: /* mandatory */
738: case OID_802_3_PERMANENT_ADDRESS:
1.1.1.4 root 739: memcpy(outbuf, s->conf.macaddr.a, 6);
1.1 root 740: return 6;
741:
742: /* mandatory */
743: case OID_802_3_CURRENT_ADDRESS:
1.1.1.4 root 744: memcpy(outbuf, s->conf.macaddr.a, 6);
1.1 root 745: return 6;
746:
747: /* mandatory */
748: case OID_802_3_MULTICAST_LIST:
749: *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
750: return sizeof(le32);
751:
752: /* mandatory */
753: case OID_802_3_MAXIMUM_LIST_SIZE:
754: *((le32 *) outbuf) = cpu_to_le32(1);
755: return sizeof(le32);
756:
757: case OID_802_3_MAC_OPTIONS:
758: return 0;
759:
760: /* ieee802.3 statistics OIDs (table 4-4) */
761: /* mandatory */
762: case OID_802_3_RCV_ERROR_ALIGNMENT:
763: *((le32 *) outbuf) = cpu_to_le32(0);
764: return sizeof(le32);
765:
766: /* mandatory */
767: case OID_802_3_XMIT_ONE_COLLISION:
768: *((le32 *) outbuf) = cpu_to_le32(0);
769: return sizeof(le32);
770:
771: /* mandatory */
772: case OID_802_3_XMIT_MORE_COLLISIONS:
773: *((le32 *) outbuf) = cpu_to_le32(0);
774: return sizeof(le32);
775:
776: default:
777: fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
778: return 0;
779: }
780: return -1;
781: }
782:
783: static int ndis_set(USBNetState *s, uint32_t oid,
784: uint8_t *inbuf, unsigned int inlen)
785: {
786: switch (oid) {
787: case OID_GEN_CURRENT_PACKET_FILTER:
788: s->filter = le32_to_cpup((le32 *) inbuf);
789: if (s->filter) {
790: s->rndis_state = RNDIS_DATA_INITIALIZED;
791: } else {
792: s->rndis_state = RNDIS_INITIALIZED;
793: }
794: return 0;
795:
796: case OID_802_3_MULTICAST_LIST:
797: return 0;
798: }
799: return -1;
800: }
801:
802: static int rndis_get_response(USBNetState *s, uint8_t *buf)
803: {
804: int ret = 0;
805: struct rndis_response *r = s->rndis_resp.tqh_first;
806:
807: if (!r)
808: return ret;
809:
1.1.1.4 root 810: QTAILQ_REMOVE(&s->rndis_resp, r, entries);
1.1 root 811: ret = r->length;
812: memcpy(buf, r->buf, r->length);
813: qemu_free(r);
814:
815: return ret;
816: }
817:
818: static void *rndis_queue_response(USBNetState *s, unsigned int length)
819: {
820: struct rndis_response *r =
821: qemu_mallocz(sizeof(struct rndis_response) + length);
822:
1.1.1.4 root 823: QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
1.1 root 824: r->length = length;
825:
826: return &r->buf[0];
827: }
828:
829: static void rndis_clear_responsequeue(USBNetState *s)
830: {
831: struct rndis_response *r;
832:
833: while ((r = s->rndis_resp.tqh_first)) {
1.1.1.4 root 834: QTAILQ_REMOVE(&s->rndis_resp, r, entries);
1.1 root 835: qemu_free(r);
836: }
837: }
838:
839: static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
840: {
841: rndis_init_cmplt_type *resp =
842: rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
843:
844: if (!resp)
845: return USB_RET_STALL;
846:
847: resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
848: resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
849: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
850: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
851: resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
852: resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
853: resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
854: resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
855: resp->MaxPacketsPerTransfer = cpu_to_le32(1);
856: resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
857: sizeof(struct rndis_packet_msg_type) + 22);
858: resp->PacketAlignmentFactor = cpu_to_le32(0);
859: resp->AFListOffset = cpu_to_le32(0);
860: resp->AFListSize = cpu_to_le32(0);
861: return 0;
862: }
863:
864: static int rndis_query_response(USBNetState *s,
865: rndis_query_msg_type *buf, unsigned int length)
866: {
867: rndis_query_cmplt_type *resp;
868: /* oid_supported_list is the largest data reply */
869: uint8_t infobuf[sizeof(oid_supported_list)];
870: uint32_t bufoffs, buflen;
871: int infobuflen;
872: unsigned int resplen;
873:
874: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
875: buflen = le32_to_cpu(buf->InformationBufferLength);
876: if (bufoffs + buflen > length)
877: return USB_RET_STALL;
878:
879: infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
880: bufoffs + (uint8_t *) buf, buflen, infobuf,
881: sizeof(infobuf));
882: resplen = sizeof(rndis_query_cmplt_type) +
883: ((infobuflen < 0) ? 0 : infobuflen);
884: resp = rndis_queue_response(s, resplen);
885: if (!resp)
886: return USB_RET_STALL;
887:
888: resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
889: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
890: resp->MessageLength = cpu_to_le32(resplen);
891:
892: if (infobuflen < 0) {
893: /* OID not supported */
894: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
895: resp->InformationBufferLength = cpu_to_le32(0);
896: resp->InformationBufferOffset = cpu_to_le32(0);
897: return 0;
898: }
899:
900: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
901: resp->InformationBufferOffset =
902: cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
903: resp->InformationBufferLength = cpu_to_le32(infobuflen);
904: memcpy(resp + 1, infobuf, infobuflen);
905:
906: return 0;
907: }
908:
909: static int rndis_set_response(USBNetState *s,
910: rndis_set_msg_type *buf, unsigned int length)
911: {
912: rndis_set_cmplt_type *resp =
913: rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
914: uint32_t bufoffs, buflen;
915: int ret;
916:
917: if (!resp)
918: return USB_RET_STALL;
919:
920: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
921: buflen = le32_to_cpu(buf->InformationBufferLength);
922: if (bufoffs + buflen > length)
923: return USB_RET_STALL;
924:
925: ret = ndis_set(s, le32_to_cpu(buf->OID),
926: bufoffs + (uint8_t *) buf, buflen);
927: resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
928: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
929: resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
930: if (ret < 0) {
931: /* OID not supported */
932: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
933: return 0;
934: }
935: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
936:
937: return 0;
938: }
939:
940: static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
941: {
942: rndis_reset_cmplt_type *resp =
943: rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
944:
945: if (!resp)
946: return USB_RET_STALL;
947:
948: resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
949: resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
950: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
951: resp->AddressingReset = cpu_to_le32(1); /* reset information */
952:
953: return 0;
954: }
955:
956: static int rndis_keepalive_response(USBNetState *s,
957: rndis_keepalive_msg_type *buf)
958: {
959: rndis_keepalive_cmplt_type *resp =
960: rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
961:
962: if (!resp)
963: return USB_RET_STALL;
964:
965: resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
966: resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
967: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
968: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
969:
970: return 0;
971: }
972:
973: static int rndis_parse(USBNetState *s, uint8_t *data, int length)
974: {
1.1.1.7 ! root 975: uint32_t msg_type;
1.1 root 976: le32 *tmp = (le32 *) data;
977:
1.1.1.7 ! root 978: msg_type = le32_to_cpup(tmp);
1.1 root 979:
980: switch (msg_type) {
981: case RNDIS_INITIALIZE_MSG:
982: s->rndis_state = RNDIS_INITIALIZED;
983: return rndis_init_response(s, (rndis_init_msg_type *) data);
984:
985: case RNDIS_HALT_MSG:
986: s->rndis_state = RNDIS_UNINITIALIZED;
987: return 0;
988:
989: case RNDIS_QUERY_MSG:
990: return rndis_query_response(s, (rndis_query_msg_type *) data, length);
991:
992: case RNDIS_SET_MSG:
993: return rndis_set_response(s, (rndis_set_msg_type *) data, length);
994:
995: case RNDIS_RESET_MSG:
996: rndis_clear_responsequeue(s);
997: s->out_ptr = s->in_ptr = s->in_len = 0;
998: return rndis_reset_response(s, (rndis_reset_msg_type *) data);
999:
1000: case RNDIS_KEEPALIVE_MSG:
1001: /* For USB: host does this every 5 seconds */
1002: return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1003: }
1004:
1005: return USB_RET_STALL;
1006: }
1007:
1008: static void usb_net_handle_reset(USBDevice *dev)
1009: {
1010: }
1011:
1012: static const char * const usb_net_stringtable[] = {
1013: [STRING_MANUFACTURER] = "QEMU",
1014: [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
1015: [STRING_ETHADDR] = "400102030405",
1016: [STRING_DATA] = "QEMU USB Net Data Interface",
1017: [STRING_CONTROL] = "QEMU USB Net Control Interface",
1018: [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
1019: [STRING_CDC] = "QEMU USB Net CDC",
1020: [STRING_SUBSET] = "QEMU USB Net Subset",
1021: [STRING_RNDIS] = "QEMU USB Net RNDIS",
1022: [STRING_SERIALNUMBER] = "1",
1023: };
1024:
1025: static int usb_net_handle_control(USBDevice *dev, int request, int value,
1026: int index, int length, uint8_t *data)
1027: {
1028: USBNetState *s = (USBNetState *) dev;
1029: int ret = 0;
1030:
1031: switch(request) {
1032: case DeviceRequest | USB_REQ_GET_STATUS:
1033: data[0] = (1 << USB_DEVICE_SELF_POWERED) |
1034: (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
1035: data[1] = 0x00;
1036: ret = 2;
1037: break;
1038:
1039: case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
1040: if (value == USB_DEVICE_REMOTE_WAKEUP) {
1041: dev->remote_wakeup = 0;
1042: } else {
1043: goto fail;
1044: }
1045: ret = 0;
1046: break;
1047:
1048: case DeviceOutRequest | USB_REQ_SET_FEATURE:
1049: if (value == USB_DEVICE_REMOTE_WAKEUP) {
1050: dev->remote_wakeup = 1;
1051: } else {
1052: goto fail;
1053: }
1054: ret = 0;
1055: break;
1056:
1057: case DeviceOutRequest | USB_REQ_SET_ADDRESS:
1058: dev->addr = value;
1059: ret = 0;
1060: break;
1061:
1062: case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1063: if (!s->rndis || value || index != 0)
1064: goto fail;
1065: #ifdef TRAFFIC_DEBUG
1066: {
1067: unsigned int i;
1068: fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1069: for (i = 0; i < length; i++) {
1070: if (!(i & 15))
1071: fprintf(stderr, "\n%04x:", i);
1072: fprintf(stderr, " %02x", data[i]);
1073: }
1074: fprintf(stderr, "\n\n");
1075: }
1076: #endif
1077: ret = rndis_parse(s, data, length);
1078: break;
1079:
1080: case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1081: if (!s->rndis || value || index != 0)
1082: goto fail;
1083: ret = rndis_get_response(s, data);
1084: if (!ret) {
1085: data[0] = 0;
1086: ret = 1;
1087: }
1088: #ifdef TRAFFIC_DEBUG
1089: {
1090: unsigned int i;
1091: fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1092: for (i = 0; i < ret; i++) {
1093: if (!(i & 15))
1094: fprintf(stderr, "\n%04x:", i);
1095: fprintf(stderr, " %02x", data[i]);
1096: }
1097: fprintf(stderr, "\n\n");
1098: }
1099: #endif
1100: break;
1101:
1102: case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
1103: switch(value >> 8) {
1104: case USB_DT_DEVICE:
1105: ret = sizeof(qemu_net_dev_descriptor);
1106: memcpy(data, qemu_net_dev_descriptor, ret);
1107: break;
1108:
1109: case USB_DT_CONFIG:
1110: switch (value & 0xff) {
1111: case 0:
1112: ret = sizeof(qemu_net_rndis_config_descriptor);
1113: memcpy(data, qemu_net_rndis_config_descriptor, ret);
1114: break;
1115:
1116: case 1:
1117: ret = sizeof(qemu_net_cdc_config_descriptor);
1118: memcpy(data, qemu_net_cdc_config_descriptor, ret);
1119: break;
1120:
1121: default:
1122: goto fail;
1123: }
1124:
1125: data[2] = ret & 0xff;
1126: data[3] = ret >> 8;
1127: break;
1128:
1129: case USB_DT_STRING:
1130: switch (value & 0xff) {
1131: case 0:
1132: /* language ids */
1133: data[0] = 4;
1134: data[1] = 3;
1135: data[2] = 0x09;
1136: data[3] = 0x04;
1137: ret = 4;
1138: break;
1139:
1140: case STRING_ETHADDR:
1141: ret = set_usb_string(data, s->usbstring_mac);
1142: break;
1143:
1144: default:
1145: if (usb_net_stringtable[value & 0xff]) {
1146: ret = set_usb_string(data,
1147: usb_net_stringtable[value & 0xff]);
1148: break;
1149: }
1150:
1151: goto fail;
1152: }
1153: break;
1154:
1155: default:
1156: goto fail;
1157: }
1158: break;
1159:
1160: case DeviceRequest | USB_REQ_GET_CONFIGURATION:
1161: data[0] = s->rndis ? DEV_RNDIS_CONFIG_VALUE : DEV_CONFIG_VALUE;
1162: ret = 1;
1163: break;
1164:
1165: case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
1166: switch (value & 0xff) {
1167: case DEV_CONFIG_VALUE:
1168: s->rndis = 0;
1169: break;
1170:
1171: case DEV_RNDIS_CONFIG_VALUE:
1172: s->rndis = 1;
1173: break;
1174:
1175: default:
1176: goto fail;
1177: }
1178: ret = 0;
1179: break;
1180:
1181: case DeviceRequest | USB_REQ_GET_INTERFACE:
1182: case InterfaceRequest | USB_REQ_GET_INTERFACE:
1183: data[0] = 0;
1184: ret = 1;
1185: break;
1186:
1187: case DeviceOutRequest | USB_REQ_SET_INTERFACE:
1188: case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
1189: ret = 0;
1190: break;
1191:
1192: default:
1193: fail:
1194: fprintf(stderr, "usbnet: failed control transaction: "
1195: "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1196: request, value, index, length);
1197: ret = USB_RET_STALL;
1198: break;
1199: }
1200: return ret;
1201: }
1202:
1203: static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1204: {
1205: int ret = 8;
1206:
1207: if (p->len < 8)
1208: return USB_RET_STALL;
1209:
1210: ((le32 *) p->data)[0] = cpu_to_le32(1);
1211: ((le32 *) p->data)[1] = cpu_to_le32(0);
1212: if (!s->rndis_resp.tqh_first)
1213: ret = USB_RET_NAK;
1214:
1215: #ifdef TRAFFIC_DEBUG
1216: fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
1217: {
1218: int i;
1219: fprintf(stderr, ":");
1220: for (i = 0; i < ret; i++) {
1221: if (!(i & 15))
1222: fprintf(stderr, "\n%04x:", i);
1223: fprintf(stderr, " %02x", p->data[i]);
1224: }
1225: fprintf(stderr, "\n\n");
1226: }
1227: #endif
1228:
1229: return ret;
1230: }
1231:
1232: static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
1233: {
1234: int ret = USB_RET_NAK;
1235:
1236: if (s->in_ptr > s->in_len) {
1237: s->in_ptr = s->in_len = 0;
1238: ret = USB_RET_NAK;
1239: return ret;
1240: }
1241: if (!s->in_len) {
1242: ret = USB_RET_NAK;
1243: return ret;
1244: }
1245: ret = s->in_len - s->in_ptr;
1246: if (ret > p->len)
1247: ret = p->len;
1248: memcpy(p->data, &s->in_buf[s->in_ptr], ret);
1249: s->in_ptr += ret;
1250: if (s->in_ptr >= s->in_len &&
1251: (s->rndis || (s->in_len & (64 - 1)) || !ret)) {
1252: /* no short packet necessary */
1253: s->in_ptr = s->in_len = 0;
1254: }
1255:
1256: #ifdef TRAFFIC_DEBUG
1257: fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
1258: {
1259: int i;
1260: fprintf(stderr, ":");
1261: for (i = 0; i < ret; i++) {
1262: if (!(i & 15))
1263: fprintf(stderr, "\n%04x:", i);
1264: fprintf(stderr, " %02x", p->data[i]);
1265: }
1266: fprintf(stderr, "\n\n");
1267: }
1268: #endif
1269:
1270: return ret;
1271: }
1272:
1273: static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1274: {
1275: int ret = p->len;
1276: int sz = sizeof(s->out_buf) - s->out_ptr;
1277: struct rndis_packet_msg_type *msg =
1278: (struct rndis_packet_msg_type *) s->out_buf;
1279: uint32_t len;
1280:
1281: #ifdef TRAFFIC_DEBUG
1282: fprintf(stderr, "usbnet: data out len %u\n", p->len);
1283: {
1284: int i;
1285: fprintf(stderr, ":");
1286: for (i = 0; i < p->len; i++) {
1287: if (!(i & 15))
1288: fprintf(stderr, "\n%04x:", i);
1289: fprintf(stderr, " %02x", p->data[i]);
1290: }
1291: fprintf(stderr, "\n\n");
1292: }
1293: #endif
1294:
1295: if (sz > ret)
1296: sz = ret;
1297: memcpy(&s->out_buf[s->out_ptr], p->data, sz);
1298: s->out_ptr += sz;
1299:
1300: if (!s->rndis) {
1301: if (ret < 64) {
1.1.1.4 root 1302: qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr);
1.1 root 1303: s->out_ptr = 0;
1304: }
1305: return ret;
1306: }
1307: len = le32_to_cpu(msg->MessageLength);
1308: if (s->out_ptr < 8 || s->out_ptr < len)
1309: return ret;
1310: if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1311: uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1312: uint32_t size = le32_to_cpu(msg->DataLength);
1313: if (offs + size <= len)
1.1.1.4 root 1314: qemu_send_packet(&s->nic->nc, s->out_buf + offs, size);
1.1 root 1315: }
1316: s->out_ptr -= len;
1317: memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1318:
1319: return ret;
1320: }
1321:
1322: static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
1323: {
1324: USBNetState *s = (USBNetState *) dev;
1325: int ret = 0;
1326:
1327: switch(p->pid) {
1328: case USB_TOKEN_IN:
1329: switch (p->devep) {
1330: case 1:
1331: ret = usb_net_handle_statusin(s, p);
1332: break;
1333:
1334: case 2:
1335: ret = usb_net_handle_datain(s, p);
1336: break;
1337:
1338: default:
1339: goto fail;
1340: }
1341: break;
1342:
1343: case USB_TOKEN_OUT:
1344: switch (p->devep) {
1345: case 2:
1346: ret = usb_net_handle_dataout(s, p);
1347: break;
1348:
1349: default:
1350: goto fail;
1351: }
1352: break;
1353:
1354: default:
1355: fail:
1356: ret = USB_RET_STALL;
1357: break;
1358: }
1359: if (ret == USB_RET_STALL)
1360: fprintf(stderr, "usbnet: failed data transaction: "
1361: "pid 0x%x ep 0x%x len 0x%x\n",
1362: p->pid, p->devep, p->len);
1363: return ret;
1364: }
1365:
1.1.1.4 root 1366: static ssize_t usbnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
1.1 root 1367: {
1.1.1.4 root 1368: USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1.1 root 1369: struct rndis_packet_msg_type *msg;
1370:
1371: if (s->rndis) {
1372: msg = (struct rndis_packet_msg_type *) s->in_buf;
1373: if (!s->rndis_state == RNDIS_DATA_INITIALIZED)
1.1.1.3 root 1374: return -1;
1.1 root 1375: if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
1.1.1.3 root 1376: return -1;
1.1 root 1377:
1378: memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1379: msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1380: msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
1381: msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
1382: msg->DataLength = cpu_to_le32(size);
1383: /* msg->OOBDataOffset;
1384: * msg->OOBDataLength;
1385: * msg->NumOOBDataElements;
1386: * msg->PerPacketInfoOffset;
1387: * msg->PerPacketInfoLength;
1388: * msg->VcHandle;
1389: * msg->Reserved;
1390: */
1391: memcpy(msg + 1, buf, size);
1392: s->in_len = size + sizeof(struct rndis_packet_msg_type);
1393: } else {
1394: if (size > sizeof(s->in_buf))
1.1.1.3 root 1395: return -1;
1.1 root 1396: memcpy(s->in_buf, buf, size);
1397: s->in_len = size;
1398: }
1399: s->in_ptr = 0;
1.1.1.3 root 1400: return size;
1.1 root 1401: }
1402:
1.1.1.4 root 1403: static int usbnet_can_receive(VLANClientState *nc)
1.1 root 1404: {
1.1.1.4 root 1405: USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1.1 root 1406:
1407: if (s->rndis && !s->rndis_state == RNDIS_DATA_INITIALIZED)
1408: return 1;
1409:
1410: return !s->in_len;
1411: }
1412:
1.1.1.4 root 1413: static void usbnet_cleanup(VLANClientState *nc)
1.1.1.2 root 1414: {
1.1.1.4 root 1415: USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1.1.1.2 root 1416:
1.1.1.4 root 1417: s->nic = NULL;
1.1.1.2 root 1418: }
1419:
1.1 root 1420: static void usb_net_handle_destroy(USBDevice *dev)
1421: {
1422: USBNetState *s = (USBNetState *) dev;
1423:
1424: /* TODO: remove the nd_table[] entry */
1.1.1.4 root 1425: rndis_clear_responsequeue(s);
1426: qemu_del_vlan_client(&s->nic->nc);
1.1 root 1427: }
1428:
1.1.1.4 root 1429: static NetClientInfo net_usbnet_info = {
1430: .type = NET_CLIENT_TYPE_NIC,
1431: .size = sizeof(NICState),
1432: .can_receive = usbnet_can_receive,
1433: .receive = usbnet_receive,
1434: .cleanup = usbnet_cleanup,
1435: };
1.1 root 1436:
1.1.1.4 root 1437: static int usb_net_initfn(USBDevice *dev)
1438: {
1439: USBNetState *s = DO_UPCAST(USBNetState, dev, dev);
1.1 root 1440:
1.1.1.4 root 1441: s->dev.speed = USB_SPEED_FULL;
1.1 root 1442:
1443: s->rndis = 1;
1444: s->rndis_state = RNDIS_UNINITIALIZED;
1.1.1.4 root 1445: QTAILQ_INIT(&s->rndis_resp);
1446:
1.1 root 1447: s->medium = 0; /* NDIS_MEDIUM_802_3 */
1448: s->speed = 1000000; /* 100MBps, in 100Bps units */
1449: s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1450: s->filter = 0;
1451: s->vendorid = 0x1234;
1452:
1.1.1.4 root 1453: qemu_macaddr_default_if_unset(&s->conf.macaddr);
1454: s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1455: s->dev.qdev.info->name, s->dev.qdev.id, s);
1456: qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
1457: snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1458: "%02x%02x%02x%02x%02x%02x",
1459: 0x40,
1460: s->conf.macaddr.a[1],
1461: s->conf.macaddr.a[2],
1462: s->conf.macaddr.a[3],
1463: s->conf.macaddr.a[4],
1464: s->conf.macaddr.a[5]);
1.1 root 1465:
1.1.1.4 root 1466: return 0;
1467: }
1.1 root 1468:
1.1.1.4 root 1469: static USBDevice *usb_net_init(const char *cmdline)
1470: {
1471: USBDevice *dev;
1472: QemuOpts *opts;
1473: int idx;
1474:
1.1.1.7 ! root 1475: opts = qemu_opts_parse(&qemu_net_opts, cmdline, 0);
1.1.1.4 root 1476: if (!opts) {
1477: return NULL;
1478: }
1479: qemu_opt_set(opts, "type", "nic");
1480: qemu_opt_set(opts, "model", "usb");
1.1 root 1481:
1.1.1.4 root 1482: idx = net_client_init(NULL, opts, 0);
1483: if (idx == -1) {
1484: return NULL;
1485: }
1.1 root 1486:
1.1.1.4 root 1487: dev = usb_create(NULL /* FIXME */, "usb-net");
1.1.1.6 root 1488: if (!dev) {
1489: return NULL;
1490: }
1.1.1.4 root 1491: qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1.1.1.5 root 1492: qdev_init_nofail(&dev->qdev);
1.1.1.4 root 1493: return dev;
1494: }
1495:
1496: static struct USBDeviceInfo net_info = {
1497: .product_desc = "QEMU USB Network Interface",
1498: .qdev.name = "usb-net",
1499: .qdev.size = sizeof(USBNetState),
1500: .init = usb_net_initfn,
1501: .handle_packet = usb_generic_handle_packet,
1502: .handle_reset = usb_net_handle_reset,
1503: .handle_control = usb_net_handle_control,
1504: .handle_data = usb_net_handle_data,
1505: .handle_destroy = usb_net_handle_destroy,
1506: .usbdevice_name = "net",
1507: .usbdevice_init = usb_net_init,
1508: .qdev.props = (Property[]) {
1509: DEFINE_NIC_PROPERTIES(USBNetState, conf),
1510: DEFINE_PROP_END_OF_LIST(),
1511: }
1512: };
1513:
1514: static void usb_net_register_devices(void)
1515: {
1516: usb_qdev_register(&net_info);
1.1 root 1517: }
1.1.1.4 root 1518: device_init(usb_net_register_devices)
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