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cuda: move unknown commands reject out of switch
[qemu/ar7.git] / hw / usb / dev-network.c
blob985a6298bf857afa33fb55297d39cf4724732686
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/osdep.h"
27 #include "qemu-common.h"
28 #include "hw/usb.h"
29 #include "hw/usb/desc.h"
30 #include "net/net.h"
31 #include "qemu/error-report.h"
32 #include "qemu/queue.h"
33 #include "qemu/config-file.h"
34 #include "sysemu/sysemu.h"
35 #include "qemu/iov.h"
36
37 /*#define TRAFFIC_DEBUG*/
38 /* Thanks to NetChip Technologies for donating this product ID.
39 * It's for devices with only CDC Ethernet configurations.
40 */
41 #define CDC_VENDOR_NUM 0x0525 /* NetChip */
42 #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */
43 /* For hardware that can talk RNDIS and either of the above protocols,
44 * use this ID ... the windows INF files will know it.
45 */
46 #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */
47 #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */
48
49 enum usbstring_idx {
50 STRING_MANUFACTURER = 1,
51 STRING_PRODUCT,
52 STRING_ETHADDR,
53 STRING_DATA,
54 STRING_CONTROL,
55 STRING_RNDIS_CONTROL,
56 STRING_CDC,
57 STRING_SUBSET,
58 STRING_RNDIS,
59 STRING_SERIALNUMBER,
60 };
61
62 #define DEV_CONFIG_VALUE 1 /* CDC or a subset */
63 #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */
64
65 #define USB_CDC_SUBCLASS_ACM 0x02
66 #define USB_CDC_SUBCLASS_ETHERNET 0x06
67
68 #define USB_CDC_PROTO_NONE 0
69 #define USB_CDC_ACM_PROTO_VENDOR 0xff
70
71 #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
72 #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
73 #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
74 #define USB_CDC_UNION_TYPE 0x06 /* union_desc */
75 #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
76
77 #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
78 #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
79 #define USB_CDC_REQ_SET_LINE_CODING 0x20
80 #define USB_CDC_REQ_GET_LINE_CODING 0x21
81 #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
82 #define USB_CDC_REQ_SEND_BREAK 0x23
83 #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
84 #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
85 #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
86 #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
87 #define USB_CDC_GET_ETHERNET_STATISTIC 0x44
88
89 #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
90 #define STATUS_BYTECOUNT 16 /* 8 byte header + data */
91
92 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
93
94 static const USBDescStrings usb_net_stringtable = {
95 [STRING_MANUFACTURER] = "QEMU",
96 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
97 [STRING_ETHADDR] = "400102030405",
98 [STRING_DATA] = "QEMU USB Net Data Interface",
99 [STRING_CONTROL] = "QEMU USB Net Control Interface",
100 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
101 [STRING_CDC] = "QEMU USB Net CDC",
102 [STRING_SUBSET] = "QEMU USB Net Subset",
103 [STRING_RNDIS] = "QEMU USB Net RNDIS",
104 [STRING_SERIALNUMBER] = "1",
105 };
106
107 static const USBDescIface desc_iface_rndis[] = {
108 {
109 /* RNDIS Control Interface */
110 .bInterfaceNumber = 0,
111 .bNumEndpoints = 1,
112 .bInterfaceClass = USB_CLASS_COMM,
113 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
114 .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR,
115 .iInterface = STRING_RNDIS_CONTROL,
116 .ndesc = 4,
117 .descs = (USBDescOther[]) {
118 {
119 /* Header Descriptor */
120 .data = (uint8_t[]) {
121 0x05, /* u8 bLength */
122 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
123 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
124 0x10, 0x01, /* le16 bcdCDC */
125 },
126 },{
127 /* Call Management Descriptor */
128 .data = (uint8_t[]) {
129 0x05, /* u8 bLength */
130 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
131 USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
132 0x00, /* u8 bmCapabilities */
133 0x01, /* u8 bDataInterface */
134 },
135 },{
136 /* ACM Descriptor */
137 .data = (uint8_t[]) {
138 0x04, /* u8 bLength */
139 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
140 USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
141 0x00, /* u8 bmCapabilities */
142 },
143 },{
144 /* Union Descriptor */
145 .data = (uint8_t[]) {
146 0x05, /* u8 bLength */
147 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
148 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
149 0x00, /* u8 bMasterInterface0 */
150 0x01, /* u8 bSlaveInterface0 */
151 },
152 },
153 },
154 .eps = (USBDescEndpoint[]) {
155 {
156 .bEndpointAddress = USB_DIR_IN | 0x01,
157 .bmAttributes = USB_ENDPOINT_XFER_INT,
158 .wMaxPacketSize = STATUS_BYTECOUNT,
159 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
160 },
161 }
162 },{
163 /* RNDIS Data Interface */
164 .bInterfaceNumber = 1,
165 .bNumEndpoints = 2,
166 .bInterfaceClass = USB_CLASS_CDC_DATA,
167 .iInterface = STRING_DATA,
168 .eps = (USBDescEndpoint[]) {
169 {
170 .bEndpointAddress = USB_DIR_IN | 0x02,
171 .bmAttributes = USB_ENDPOINT_XFER_BULK,
172 .wMaxPacketSize = 0x40,
173 },{
174 .bEndpointAddress = USB_DIR_OUT | 0x02,
175 .bmAttributes = USB_ENDPOINT_XFER_BULK,
176 .wMaxPacketSize = 0x40,
177 }
178 }
179 }
180 };
181
182 static const USBDescIface desc_iface_cdc[] = {
183 {
184 /* CDC Control Interface */
185 .bInterfaceNumber = 0,
186 .bNumEndpoints = 1,
187 .bInterfaceClass = USB_CLASS_COMM,
188 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
189 .bInterfaceProtocol = USB_CDC_PROTO_NONE,
190 .iInterface = STRING_CONTROL,
191 .ndesc = 3,
192 .descs = (USBDescOther[]) {
193 {
194 /* Header Descriptor */
195 .data = (uint8_t[]) {
196 0x05, /* u8 bLength */
197 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
198 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
199 0x10, 0x01, /* le16 bcdCDC */
200 },
201 },{
202 /* Union Descriptor */
203 .data = (uint8_t[]) {
204 0x05, /* u8 bLength */
205 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
206 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
207 0x00, /* u8 bMasterInterface0 */
208 0x01, /* u8 bSlaveInterface0 */
209 },
210 },{
211 /* Ethernet Descriptor */
212 .data = (uint8_t[]) {
213 0x0d, /* u8 bLength */
214 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
215 USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */
216 STRING_ETHADDR, /* u8 iMACAddress */
217 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */
218 ETH_FRAME_LEN & 0xff,
219 ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */
220 0x00, 0x00, /* le16 wNumberMCFilters */
221 0x00, /* u8 bNumberPowerFilters */
222 },
223 },
224 },
225 .eps = (USBDescEndpoint[]) {
226 {
227 .bEndpointAddress = USB_DIR_IN | 0x01,
228 .bmAttributes = USB_ENDPOINT_XFER_INT,
229 .wMaxPacketSize = STATUS_BYTECOUNT,
230 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
231 },
232 }
233 },{
234 /* CDC Data Interface (off) */
235 .bInterfaceNumber = 1,
236 .bAlternateSetting = 0,
237 .bNumEndpoints = 0,
238 .bInterfaceClass = USB_CLASS_CDC_DATA,
239 },{
240 /* CDC Data Interface */
241 .bInterfaceNumber = 1,
242 .bAlternateSetting = 1,
243 .bNumEndpoints = 2,
244 .bInterfaceClass = USB_CLASS_CDC_DATA,
245 .iInterface = STRING_DATA,
246 .eps = (USBDescEndpoint[]) {
247 {
248 .bEndpointAddress = USB_DIR_IN | 0x02,
249 .bmAttributes = USB_ENDPOINT_XFER_BULK,
250 .wMaxPacketSize = 0x40,
251 },{
252 .bEndpointAddress = USB_DIR_OUT | 0x02,
253 .bmAttributes = USB_ENDPOINT_XFER_BULK,
254 .wMaxPacketSize = 0x40,
255 }
256 }
257 }
258 };
259
260 static const USBDescDevice desc_device_net = {
261 .bcdUSB = 0x0200,
262 .bDeviceClass = USB_CLASS_COMM,
263 .bMaxPacketSize0 = 0x40,
264 .bNumConfigurations = 2,
265 .confs = (USBDescConfig[]) {
266 {
267 .bNumInterfaces = 2,
268 .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE,
269 .iConfiguration = STRING_RNDIS,
270 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
271 .bMaxPower = 0x32,
272 .nif = ARRAY_SIZE(desc_iface_rndis),
273 .ifs = desc_iface_rndis,
274 },{
275 .bNumInterfaces = 2,
276 .bConfigurationValue = DEV_CONFIG_VALUE,
277 .iConfiguration = STRING_CDC,
278 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
279 .bMaxPower = 0x32,
280 .nif = ARRAY_SIZE(desc_iface_cdc),
281 .ifs = desc_iface_cdc,
282 }
283 },
284 };
285
286 static const USBDesc desc_net = {
287 .id = {
288 .idVendor = RNDIS_VENDOR_NUM,
289 .idProduct = RNDIS_PRODUCT_NUM,
290 .bcdDevice = 0,
291 .iManufacturer = STRING_MANUFACTURER,
292 .iProduct = STRING_PRODUCT,
293 .iSerialNumber = STRING_SERIALNUMBER,
294 },
295 .full = &desc_device_net,
296 .str = usb_net_stringtable,
297 };
298
299 /*
300 * RNDIS Definitions - in theory not specific to USB.
301 */
302 #define RNDIS_MAXIMUM_FRAME_SIZE 1518
303 #define RNDIS_MAX_TOTAL_SIZE 1558
304
305 /* Remote NDIS Versions */
306 #define RNDIS_MAJOR_VERSION 1
307 #define RNDIS_MINOR_VERSION 0
308
309 /* Status Values */
310 #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */
311 #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */
312 #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */
313 #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */
314 #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */
315 #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */
316
317 /* Message Set for Connectionless (802.3) Devices */
318 enum {
319 RNDIS_PACKET_MSG = 1,
320 RNDIS_INITIALIZE_MSG = 2, /* Initialize device */
321 RNDIS_HALT_MSG = 3,
322 RNDIS_QUERY_MSG = 4,
323 RNDIS_SET_MSG = 5,
324 RNDIS_RESET_MSG = 6,
325 RNDIS_INDICATE_STATUS_MSG = 7,
326 RNDIS_KEEPALIVE_MSG = 8,
327 };
328
329 /* Message completion */
330 enum {
331 RNDIS_INITIALIZE_CMPLT = 0x80000002U,
332 RNDIS_QUERY_CMPLT = 0x80000004U,
333 RNDIS_SET_CMPLT = 0x80000005U,
334 RNDIS_RESET_CMPLT = 0x80000006U,
335 RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
336 };
337
338 /* Device Flags */
339 enum {
340 RNDIS_DF_CONNECTIONLESS = 1,
341 RNDIS_DF_CONNECTIONORIENTED = 2,
342 };
343
344 #define RNDIS_MEDIUM_802_3 0x00000000U
345
346 /* from drivers/net/sk98lin/h/skgepnmi.h */
347 #define OID_PNP_CAPABILITIES 0xfd010100
348 #define OID_PNP_SET_POWER 0xfd010101
349 #define OID_PNP_QUERY_POWER 0xfd010102
350 #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
351 #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
352 #define OID_PNP_ENABLE_WAKE_UP 0xfd010106
353
354 typedef uint32_t le32;
355
356 typedef struct rndis_init_msg_type {
357 le32 MessageType;
358 le32 MessageLength;
359 le32 RequestID;
360 le32 MajorVersion;
361 le32 MinorVersion;
362 le32 MaxTransferSize;
363 } rndis_init_msg_type;
364
365 typedef struct rndis_init_cmplt_type {
366 le32 MessageType;
367 le32 MessageLength;
368 le32 RequestID;
369 le32 Status;
370 le32 MajorVersion;
371 le32 MinorVersion;
372 le32 DeviceFlags;
373 le32 Medium;
374 le32 MaxPacketsPerTransfer;
375 le32 MaxTransferSize;
376 le32 PacketAlignmentFactor;
377 le32 AFListOffset;
378 le32 AFListSize;
379 } rndis_init_cmplt_type;
380
381 typedef struct rndis_halt_msg_type {
382 le32 MessageType;
383 le32 MessageLength;
384 le32 RequestID;
385 } rndis_halt_msg_type;
386
387 typedef struct rndis_query_msg_type {
388 le32 MessageType;
389 le32 MessageLength;
390 le32 RequestID;
391 le32 OID;
392 le32 InformationBufferLength;
393 le32 InformationBufferOffset;
394 le32 DeviceVcHandle;
395 } rndis_query_msg_type;
396
397 typedef struct rndis_query_cmplt_type {
398 le32 MessageType;
399 le32 MessageLength;
400 le32 RequestID;
401 le32 Status;
402 le32 InformationBufferLength;
403 le32 InformationBufferOffset;
404 } rndis_query_cmplt_type;
405
406 typedef struct rndis_set_msg_type {
407 le32 MessageType;
408 le32 MessageLength;
409 le32 RequestID;
410 le32 OID;
411 le32 InformationBufferLength;
412 le32 InformationBufferOffset;
413 le32 DeviceVcHandle;
414 } rndis_set_msg_type;
415
416 typedef struct rndis_set_cmplt_type {
417 le32 MessageType;
418 le32 MessageLength;
419 le32 RequestID;
420 le32 Status;
421 } rndis_set_cmplt_type;
422
423 typedef struct rndis_reset_msg_type {
424 le32 MessageType;
425 le32 MessageLength;
426 le32 Reserved;
427 } rndis_reset_msg_type;
428
429 typedef struct rndis_reset_cmplt_type {
430 le32 MessageType;
431 le32 MessageLength;
432 le32 Status;
433 le32 AddressingReset;
434 } rndis_reset_cmplt_type;
435
436 typedef struct rndis_indicate_status_msg_type {
437 le32 MessageType;
438 le32 MessageLength;
439 le32 Status;
440 le32 StatusBufferLength;
441 le32 StatusBufferOffset;
442 } rndis_indicate_status_msg_type;
443
444 typedef struct rndis_keepalive_msg_type {
445 le32 MessageType;
446 le32 MessageLength;
447 le32 RequestID;
448 } rndis_keepalive_msg_type;
449
450 typedef struct rndis_keepalive_cmplt_type {
451 le32 MessageType;
452 le32 MessageLength;
453 le32 RequestID;
454 le32 Status;
455 } rndis_keepalive_cmplt_type;
456
457 struct rndis_packet_msg_type {
458 le32 MessageType;
459 le32 MessageLength;
460 le32 DataOffset;
461 le32 DataLength;
462 le32 OOBDataOffset;
463 le32 OOBDataLength;
464 le32 NumOOBDataElements;
465 le32 PerPacketInfoOffset;
466 le32 PerPacketInfoLength;
467 le32 VcHandle;
468 le32 Reserved;
469 };
470
471 struct rndis_config_parameter {
472 le32 ParameterNameOffset;
473 le32 ParameterNameLength;
474 le32 ParameterType;
475 le32 ParameterValueOffset;
476 le32 ParameterValueLength;
477 };
478
479 /* implementation specific */
480 enum rndis_state
481 {
482 RNDIS_UNINITIALIZED,
483 RNDIS_INITIALIZED,
484 RNDIS_DATA_INITIALIZED,
485 };
486
487 /* from ndis.h */
488 enum ndis_oid {
489 /* Required Object IDs (OIDs) */
490 OID_GEN_SUPPORTED_LIST = 0x00010101,
491 OID_GEN_HARDWARE_STATUS = 0x00010102,
492 OID_GEN_MEDIA_SUPPORTED = 0x00010103,
493 OID_GEN_MEDIA_IN_USE = 0x00010104,
494 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
495 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
496 OID_GEN_LINK_SPEED = 0x00010107,
497 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
498 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
499 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
500 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
501 OID_GEN_VENDOR_ID = 0x0001010c,
502 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
503 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
504 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
505 OID_GEN_DRIVER_VERSION = 0x00010110,
506 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
507 OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
508 OID_GEN_MAC_OPTIONS = 0x00010113,
509 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
510 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
511 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
512 OID_GEN_SUPPORTED_GUIDS = 0x00010117,
513 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
514 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
515 OID_GEN_MACHINE_NAME = 0x0001021a,
516 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
517 OID_GEN_VLAN_ID = 0x0001021c,
518
519 /* Optional OIDs */
520 OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
521 OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
522
523 /* Required statistics OIDs */
524 OID_GEN_XMIT_OK = 0x00020101,
525 OID_GEN_RCV_OK = 0x00020102,
526 OID_GEN_XMIT_ERROR = 0x00020103,
527 OID_GEN_RCV_ERROR = 0x00020104,
528 OID_GEN_RCV_NO_BUFFER = 0x00020105,
529
530 /* Optional statistics OIDs */
531 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
532 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
533 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
534 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
535 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
536 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
537 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
538 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
539 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
540 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
541 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
542 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
543 OID_GEN_RCV_CRC_ERROR = 0x0002020d,
544 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
545 OID_GEN_GET_TIME_CAPS = 0x0002020f,
546 OID_GEN_GET_NETCARD_TIME = 0x00020210,
547 OID_GEN_NETCARD_LOAD = 0x00020211,
548 OID_GEN_DEVICE_PROFILE = 0x00020212,
549 OID_GEN_INIT_TIME_MS = 0x00020213,
550 OID_GEN_RESET_COUNTS = 0x00020214,
551 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
552 OID_GEN_FRIENDLY_NAME = 0x00020216,
553 OID_GEN_MINIPORT_INFO = 0x00020217,
554 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
555
556 /* IEEE 802.3 (Ethernet) OIDs */
557 OID_802_3_PERMANENT_ADDRESS = 0x01010101,
558 OID_802_3_CURRENT_ADDRESS = 0x01010102,
559 OID_802_3_MULTICAST_LIST = 0x01010103,
560 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
561 OID_802_3_MAC_OPTIONS = 0x01010105,
562 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
563 OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
564 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
565 OID_802_3_XMIT_DEFERRED = 0x01020201,
566 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
567 OID_802_3_RCV_OVERRUN = 0x01020203,
568 OID_802_3_XMIT_UNDERRUN = 0x01020204,
569 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
570 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
571 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
572 };
573
574 static const uint32_t oid_supported_list[] =
575 {
576 /* the general stuff */
577 OID_GEN_SUPPORTED_LIST,
578 OID_GEN_HARDWARE_STATUS,
579 OID_GEN_MEDIA_SUPPORTED,
580 OID_GEN_MEDIA_IN_USE,
581 OID_GEN_MAXIMUM_FRAME_SIZE,
582 OID_GEN_LINK_SPEED,
583 OID_GEN_TRANSMIT_BLOCK_SIZE,
584 OID_GEN_RECEIVE_BLOCK_SIZE,
585 OID_GEN_VENDOR_ID,
586 OID_GEN_VENDOR_DESCRIPTION,
587 OID_GEN_VENDOR_DRIVER_VERSION,
588 OID_GEN_CURRENT_PACKET_FILTER,
589 OID_GEN_MAXIMUM_TOTAL_SIZE,
590 OID_GEN_MEDIA_CONNECT_STATUS,
591 OID_GEN_PHYSICAL_MEDIUM,
592
593 /* the statistical stuff */
594 OID_GEN_XMIT_OK,
595 OID_GEN_RCV_OK,
596 OID_GEN_XMIT_ERROR,
597 OID_GEN_RCV_ERROR,
598 OID_GEN_RCV_NO_BUFFER,
599
600 /* IEEE 802.3 */
601 /* the general stuff */
602 OID_802_3_PERMANENT_ADDRESS,
603 OID_802_3_CURRENT_ADDRESS,
604 OID_802_3_MULTICAST_LIST,
605 OID_802_3_MAC_OPTIONS,
606 OID_802_3_MAXIMUM_LIST_SIZE,
607
608 /* the statistical stuff */
609 OID_802_3_RCV_ERROR_ALIGNMENT,
610 OID_802_3_XMIT_ONE_COLLISION,
611 OID_802_3_XMIT_MORE_COLLISIONS,
612 };
613
614 #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
615 #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
616 #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
617 #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
618 #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
619 #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
620 #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
621
622 struct rndis_response {
623 QTAILQ_ENTRY(rndis_response) entries;
624 uint32_t length;
625 uint8_t buf[0];
626 };
627
628 typedef struct USBNetState {
629 USBDevice dev;
630
631 enum rndis_state rndis_state;
632 uint32_t medium;
633 uint32_t speed;
634 uint32_t media_state;
635 uint16_t filter;
636 uint32_t vendorid;
637
638 unsigned int out_ptr;
639 uint8_t out_buf[2048];
640
641 unsigned int in_ptr, in_len;
642 uint8_t in_buf[2048];
643
644 USBEndpoint *intr;
645
646 char usbstring_mac[13];
647 NICState *nic;
648 NICConf conf;
649 QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
650 } USBNetState;
651
652 #define TYPE_USB_NET "usb-net"
653 #define USB_NET(obj) OBJECT_CHECK(USBNetState, (obj), TYPE_USB_NET)
654
655 static int is_rndis(USBNetState *s)
656 {
657 return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
658 }
659
660 static int ndis_query(USBNetState *s, uint32_t oid,
661 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
662 size_t outlen)
663 {
664 unsigned int i;
665
666 switch (oid) {
667 /* general oids (table 4-1) */
668 /* mandatory */
669 case OID_GEN_SUPPORTED_LIST:
670 for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
671 ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
672 return sizeof(oid_supported_list);
673
674 /* mandatory */
675 case OID_GEN_HARDWARE_STATUS:
676 *((le32 *) outbuf) = cpu_to_le32(0);
677 return sizeof(le32);
678
679 /* mandatory */
680 case OID_GEN_MEDIA_SUPPORTED:
681 *((le32 *) outbuf) = cpu_to_le32(s->medium);
682 return sizeof(le32);
683
684 /* mandatory */
685 case OID_GEN_MEDIA_IN_USE:
686 *((le32 *) outbuf) = cpu_to_le32(s->medium);
687 return sizeof(le32);
688
689 /* mandatory */
690 case OID_GEN_MAXIMUM_FRAME_SIZE:
691 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
692 return sizeof(le32);
693
694 /* mandatory */
695 case OID_GEN_LINK_SPEED:
696 *((le32 *) outbuf) = cpu_to_le32(s->speed);
697 return sizeof(le32);
698
699 /* mandatory */
700 case OID_GEN_TRANSMIT_BLOCK_SIZE:
701 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
702 return sizeof(le32);
703
704 /* mandatory */
705 case OID_GEN_RECEIVE_BLOCK_SIZE:
706 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
707 return sizeof(le32);
708
709 /* mandatory */
710 case OID_GEN_VENDOR_ID:
711 *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
712 return sizeof(le32);
713
714 /* mandatory */
715 case OID_GEN_VENDOR_DESCRIPTION:
716 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
717 return strlen((char *)outbuf) + 1;
718
719 case OID_GEN_VENDOR_DRIVER_VERSION:
720 *((le32 *) outbuf) = cpu_to_le32(1);
721 return sizeof(le32);
722
723 /* mandatory */
724 case OID_GEN_CURRENT_PACKET_FILTER:
725 *((le32 *) outbuf) = cpu_to_le32(s->filter);
726 return sizeof(le32);
727
728 /* mandatory */
729 case OID_GEN_MAXIMUM_TOTAL_SIZE:
730 *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
731 return sizeof(le32);
732
733 /* mandatory */
734 case OID_GEN_MEDIA_CONNECT_STATUS:
735 *((le32 *) outbuf) = cpu_to_le32(s->media_state);
736 return sizeof(le32);
737
738 case OID_GEN_PHYSICAL_MEDIUM:
739 *((le32 *) outbuf) = cpu_to_le32(0);
740 return sizeof(le32);
741
742 case OID_GEN_MAC_OPTIONS:
743 *((le32 *) outbuf) = cpu_to_le32(
744 NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
745 NDIS_MAC_OPTION_FULL_DUPLEX);
746 return sizeof(le32);
747
748 /* statistics OIDs (table 4-2) */
749 /* mandatory */
750 case OID_GEN_XMIT_OK:
751 *((le32 *) outbuf) = cpu_to_le32(0);
752 return sizeof(le32);
753
754 /* mandatory */
755 case OID_GEN_RCV_OK:
756 *((le32 *) outbuf) = cpu_to_le32(0);
757 return sizeof(le32);
758
759 /* mandatory */
760 case OID_GEN_XMIT_ERROR:
761 *((le32 *) outbuf) = cpu_to_le32(0);
762 return sizeof(le32);
763
764 /* mandatory */
765 case OID_GEN_RCV_ERROR:
766 *((le32 *) outbuf) = cpu_to_le32(0);
767 return sizeof(le32);
768
769 /* mandatory */
770 case OID_GEN_RCV_NO_BUFFER:
771 *((le32 *) outbuf) = cpu_to_le32(0);
772 return sizeof(le32);
773
774 /* ieee802.3 OIDs (table 4-3) */
775 /* mandatory */
776 case OID_802_3_PERMANENT_ADDRESS:
777 memcpy(outbuf, s->conf.macaddr.a, 6);
778 return 6;
779
780 /* mandatory */
781 case OID_802_3_CURRENT_ADDRESS:
782 memcpy(outbuf, s->conf.macaddr.a, 6);
783 return 6;
784
785 /* mandatory */
786 case OID_802_3_MULTICAST_LIST:
787 *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
788 return sizeof(le32);
789
790 /* mandatory */
791 case OID_802_3_MAXIMUM_LIST_SIZE:
792 *((le32 *) outbuf) = cpu_to_le32(1);
793 return sizeof(le32);
794
795 case OID_802_3_MAC_OPTIONS:
796 return 0;
797
798 /* ieee802.3 statistics OIDs (table 4-4) */
799 /* mandatory */
800 case OID_802_3_RCV_ERROR_ALIGNMENT:
801 *((le32 *) outbuf) = cpu_to_le32(0);
802 return sizeof(le32);
803
804 /* mandatory */
805 case OID_802_3_XMIT_ONE_COLLISION:
806 *((le32 *) outbuf) = cpu_to_le32(0);
807 return sizeof(le32);
808
809 /* mandatory */
810 case OID_802_3_XMIT_MORE_COLLISIONS:
811 *((le32 *) outbuf) = cpu_to_le32(0);
812 return sizeof(le32);
813
814 default:
815 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
816 return 0;
817 }
818 return -1;
819 }
820
821 static int ndis_set(USBNetState *s, uint32_t oid,
822 uint8_t *inbuf, unsigned int inlen)
823 {
824 switch (oid) {
825 case OID_GEN_CURRENT_PACKET_FILTER:
826 s->filter = le32_to_cpup((le32 *) inbuf);
827 if (s->filter) {
828 s->rndis_state = RNDIS_DATA_INITIALIZED;
829 } else {
830 s->rndis_state = RNDIS_INITIALIZED;
831 }
832 return 0;
833
834 case OID_802_3_MULTICAST_LIST:
835 return 0;
836 }
837 return -1;
838 }
839
840 static int rndis_get_response(USBNetState *s, uint8_t *buf)
841 {
842 int ret = 0;
843 struct rndis_response *r = s->rndis_resp.tqh_first;
844
845 if (!r)
846 return ret;
847
848 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
849 ret = r->length;
850 memcpy(buf, r->buf, r->length);
851 g_free(r);
852
853 return ret;
854 }
855
856 static void *rndis_queue_response(USBNetState *s, unsigned int length)
857 {
858 struct rndis_response *r =
859 g_malloc0(sizeof(struct rndis_response) + length);
860
861 if (QTAILQ_EMPTY(&s->rndis_resp)) {
862 usb_wakeup(s->intr, 0);
863 }
864
865 QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
866 r->length = length;
867
868 return &r->buf[0];
869 }
870
871 static void rndis_clear_responsequeue(USBNetState *s)
872 {
873 struct rndis_response *r;
874
875 while ((r = s->rndis_resp.tqh_first)) {
876 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
877 g_free(r);
878 }
879 }
880
881 static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
882 {
883 rndis_init_cmplt_type *resp =
884 rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
885
886 if (!resp)
887 return USB_RET_STALL;
888
889 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
890 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
891 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
892 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
893 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
894 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
895 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
896 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
897 resp->MaxPacketsPerTransfer = cpu_to_le32(1);
898 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
899 sizeof(struct rndis_packet_msg_type) + 22);
900 resp->PacketAlignmentFactor = cpu_to_le32(0);
901 resp->AFListOffset = cpu_to_le32(0);
902 resp->AFListSize = cpu_to_le32(0);
903 return 0;
904 }
905
906 static int rndis_query_response(USBNetState *s,
907 rndis_query_msg_type *buf, unsigned int length)
908 {
909 rndis_query_cmplt_type *resp;
910 /* oid_supported_list is the largest data reply */
911 uint8_t infobuf[sizeof(oid_supported_list)];
912 uint32_t bufoffs, buflen;
913 int infobuflen;
914 unsigned int resplen;
915
916 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
917 buflen = le32_to_cpu(buf->InformationBufferLength);
918 if (bufoffs + buflen > length)
919 return USB_RET_STALL;
920
921 infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
922 bufoffs + (uint8_t *) buf, buflen, infobuf,
923 sizeof(infobuf));
924 resplen = sizeof(rndis_query_cmplt_type) +
925 ((infobuflen < 0) ? 0 : infobuflen);
926 resp = rndis_queue_response(s, resplen);
927 if (!resp)
928 return USB_RET_STALL;
929
930 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
931 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
932 resp->MessageLength = cpu_to_le32(resplen);
933
934 if (infobuflen < 0) {
935 /* OID not supported */
936 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
937 resp->InformationBufferLength = cpu_to_le32(0);
938 resp->InformationBufferOffset = cpu_to_le32(0);
939 return 0;
940 }
941
942 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
943 resp->InformationBufferOffset =
944 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
945 resp->InformationBufferLength = cpu_to_le32(infobuflen);
946 memcpy(resp + 1, infobuf, infobuflen);
947
948 return 0;
949 }
950
951 static int rndis_set_response(USBNetState *s,
952 rndis_set_msg_type *buf, unsigned int length)
953 {
954 rndis_set_cmplt_type *resp =
955 rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
956 uint32_t bufoffs, buflen;
957 int ret;
958
959 if (!resp)
960 return USB_RET_STALL;
961
962 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
963 buflen = le32_to_cpu(buf->InformationBufferLength);
964 if (bufoffs + buflen > length)
965 return USB_RET_STALL;
966
967 ret = ndis_set(s, le32_to_cpu(buf->OID),
968 bufoffs + (uint8_t *) buf, buflen);
969 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
970 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
971 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
972 if (ret < 0) {
973 /* OID not supported */
974 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
975 return 0;
976 }
977 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
978
979 return 0;
980 }
981
982 static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
983 {
984 rndis_reset_cmplt_type *resp =
985 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
986
987 if (!resp)
988 return USB_RET_STALL;
989
990 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
991 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
992 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
993 resp->AddressingReset = cpu_to_le32(1); /* reset information */
994
995 return 0;
996 }
997
998 static int rndis_keepalive_response(USBNetState *s,
999 rndis_keepalive_msg_type *buf)
1000 {
1001 rndis_keepalive_cmplt_type *resp =
1002 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
1003
1004 if (!resp)
1005 return USB_RET_STALL;
1006
1007 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
1008 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
1009 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
1010 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1011
1012 return 0;
1013 }
1014
1015 /* Prepare to receive the next packet */
1016 static void usb_net_reset_in_buf(USBNetState *s)
1017 {
1018 s->in_ptr = s->in_len = 0;
1019 qemu_flush_queued_packets(qemu_get_queue(s->nic));
1020 }
1021
1022 static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1023 {
1024 uint32_t msg_type;
1025 le32 *tmp = (le32 *) data;
1026
1027 msg_type = le32_to_cpup(tmp);
1028
1029 switch (msg_type) {
1030 case RNDIS_INITIALIZE_MSG:
1031 s->rndis_state = RNDIS_INITIALIZED;
1032 return rndis_init_response(s, (rndis_init_msg_type *) data);
1033
1034 case RNDIS_HALT_MSG:
1035 s->rndis_state = RNDIS_UNINITIALIZED;
1036 return 0;
1037
1038 case RNDIS_QUERY_MSG:
1039 return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1040
1041 case RNDIS_SET_MSG:
1042 return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1043
1044 case RNDIS_RESET_MSG:
1045 rndis_clear_responsequeue(s);
1046 s->out_ptr = 0;
1047 usb_net_reset_in_buf(s);
1048 return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1049
1050 case RNDIS_KEEPALIVE_MSG:
1051 /* For USB: host does this every 5 seconds */
1052 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1053 }
1054
1055 return USB_RET_STALL;
1056 }
1057
1058 static void usb_net_handle_reset(USBDevice *dev)
1059 {
1060 }
1061
1062 static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
1063 int request, int value, int index, int length, uint8_t *data)
1064 {
1065 USBNetState *s = (USBNetState *) dev;
1066 int ret;
1067
1068 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
1069 if (ret >= 0) {
1070 return;
1071 }
1072
1073 switch(request) {
1074 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1075 if (!is_rndis(s) || value || index != 0) {
1076 goto fail;
1077 }
1078 #ifdef TRAFFIC_DEBUG
1079 {
1080 unsigned int i;
1081 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1082 for (i = 0; i < length; i++) {
1083 if (!(i & 15))
1084 fprintf(stderr, "\n%04x:", i);
1085 fprintf(stderr, " %02x", data[i]);
1086 }
1087 fprintf(stderr, "\n\n");
1088 }
1089 #endif
1090 ret = rndis_parse(s, data, length);
1091 if (ret < 0) {
1092 p->status = ret;
1093 }
1094 break;
1095
1096 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1097 if (!is_rndis(s) || value || index != 0) {
1098 goto fail;
1099 }
1100 p->actual_length = rndis_get_response(s, data);
1101 if (p->actual_length == 0) {
1102 data[0] = 0;
1103 p->actual_length = 1;
1104 }
1105 #ifdef TRAFFIC_DEBUG
1106 {
1107 unsigned int i;
1108 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1109 for (i = 0; i < p->actual_length; i++) {
1110 if (!(i & 15))
1111 fprintf(stderr, "\n%04x:", i);
1112 fprintf(stderr, " %02x", data[i]);
1113 }
1114 fprintf(stderr, "\n\n");
1115 }
1116 #endif
1117 break;
1118
1119 default:
1120 fail:
1121 fprintf(stderr, "usbnet: failed control transaction: "
1122 "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1123 request, value, index, length);
1124 p->status = USB_RET_STALL;
1125 break;
1126 }
1127 }
1128
1129 static void usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1130 {
1131 le32 buf[2];
1132
1133 if (p->iov.size < 8) {
1134 p->status = USB_RET_STALL;
1135 return;
1136 }
1137
1138 buf[0] = cpu_to_le32(1);
1139 buf[1] = cpu_to_le32(0);
1140 usb_packet_copy(p, buf, 8);
1141 if (!s->rndis_resp.tqh_first) {
1142 p->status = USB_RET_NAK;
1143 }
1144
1145 #ifdef TRAFFIC_DEBUG
1146 fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
1147 p->iov.size, p->status);
1148 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status);
1149 #endif
1150 }
1151
1152 static void usb_net_handle_datain(USBNetState *s, USBPacket *p)
1153 {
1154 int len;
1155
1156 if (s->in_ptr > s->in_len) {
1157 usb_net_reset_in_buf(s);
1158 p->status = USB_RET_NAK;
1159 return;
1160 }
1161 if (!s->in_len) {
1162 p->status = USB_RET_NAK;
1163 return;
1164 }
1165 len = s->in_len - s->in_ptr;
1166 if (len > p->iov.size) {
1167 len = p->iov.size;
1168 }
1169 usb_packet_copy(p, &s->in_buf[s->in_ptr], len);
1170 s->in_ptr += len;
1171 if (s->in_ptr >= s->in_len &&
1172 (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) {
1173 /* no short packet necessary */
1174 usb_net_reset_in_buf(s);
1175 }
1176
1177 #ifdef TRAFFIC_DEBUG
1178 fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len);
1179 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len);
1180 #endif
1181 }
1182
1183 static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1184 {
1185 int sz = sizeof(s->out_buf) - s->out_ptr;
1186 struct rndis_packet_msg_type *msg =
1187 (struct rndis_packet_msg_type *) s->out_buf;
1188 uint32_t len;
1189
1190 #ifdef TRAFFIC_DEBUG
1191 fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
1192 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
1193 #endif
1194
1195 if (sz > p->iov.size) {
1196 sz = p->iov.size;
1197 }
1198 usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
1199 s->out_ptr += sz;
1200
1201 if (!is_rndis(s)) {
1202 if (p->iov.size < 64) {
1203 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr);
1204 s->out_ptr = 0;
1205 }
1206 return;
1207 }
1208 len = le32_to_cpu(msg->MessageLength);
1209 if (s->out_ptr < 8 || s->out_ptr < len) {
1210 return;
1211 }
1212 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1213 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1214 uint32_t size = le32_to_cpu(msg->DataLength);
1215 if (offs + size <= len)
1216 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size);
1217 }
1218 s->out_ptr -= len;
1219 memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1220 }
1221
1222 static void usb_net_handle_data(USBDevice *dev, USBPacket *p)
1223 {
1224 USBNetState *s = (USBNetState *) dev;
1225
1226 switch(p->pid) {
1227 case USB_TOKEN_IN:
1228 switch (p->ep->nr) {
1229 case 1:
1230 usb_net_handle_statusin(s, p);
1231 break;
1232
1233 case 2:
1234 usb_net_handle_datain(s, p);
1235 break;
1236
1237 default:
1238 goto fail;
1239 }
1240 break;
1241
1242 case USB_TOKEN_OUT:
1243 switch (p->ep->nr) {
1244 case 2:
1245 usb_net_handle_dataout(s, p);
1246 break;
1247
1248 default:
1249 goto fail;
1250 }
1251 break;
1252
1253 default:
1254 fail:
1255 p->status = USB_RET_STALL;
1256 break;
1257 }
1258
1259 if (p->status == USB_RET_STALL) {
1260 fprintf(stderr, "usbnet: failed data transaction: "
1261 "pid 0x%x ep 0x%x len 0x%zx\n",
1262 p->pid, p->ep->nr, p->iov.size);
1263 }
1264 }
1265
1266 static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
1267 {
1268 USBNetState *s = qemu_get_nic_opaque(nc);
1269 uint8_t *in_buf = s->in_buf;
1270 size_t total_size = size;
1271
1272 if (!s->dev.config) {
1273 return -1;
1274 }
1275
1276 if (is_rndis(s)) {
1277 if (s->rndis_state != RNDIS_DATA_INITIALIZED) {
1278 return -1;
1279 }
1280 total_size += sizeof(struct rndis_packet_msg_type);
1281 }
1282 if (total_size > sizeof(s->in_buf)) {
1283 return -1;
1284 }
1285
1286 /* Only accept packet if input buffer is empty */
1287 if (s->in_len > 0) {
1288 return 0;
1289 }
1290
1291 if (is_rndis(s)) {
1292 struct rndis_packet_msg_type *msg;
1293
1294 msg = (struct rndis_packet_msg_type *)in_buf;
1295 memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1296 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1297 msg->MessageLength = cpu_to_le32(size + sizeof(*msg));
1298 msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8);
1299 msg->DataLength = cpu_to_le32(size);
1300 /* msg->OOBDataOffset;
1301 * msg->OOBDataLength;
1302 * msg->NumOOBDataElements;
1303 * msg->PerPacketInfoOffset;
1304 * msg->PerPacketInfoLength;
1305 * msg->VcHandle;
1306 * msg->Reserved;
1307 */
1308 in_buf += sizeof(*msg);
1309 }
1310
1311 memcpy(in_buf, buf, size);
1312 s->in_len = total_size;
1313 s->in_ptr = 0;
1314 return size;
1315 }
1316
1317 static void usbnet_cleanup(NetClientState *nc)
1318 {
1319 USBNetState *s = qemu_get_nic_opaque(nc);
1320
1321 s->nic = NULL;
1322 }
1323
1324 static void usb_net_handle_destroy(USBDevice *dev)
1325 {
1326 USBNetState *s = (USBNetState *) dev;
1327
1328 /* TODO: remove the nd_table[] entry */
1329 rndis_clear_responsequeue(s);
1330 qemu_del_nic(s->nic);
1331 }
1332
1333 static NetClientInfo net_usbnet_info = {
1334 .type = NET_CLIENT_OPTIONS_KIND_NIC,
1335 .size = sizeof(NICState),
1336 .receive = usbnet_receive,
1337 .cleanup = usbnet_cleanup,
1338 };
1339
1340 static void usb_net_realize(USBDevice *dev, Error **errrp)
1341 {
1342 USBNetState *s = USB_NET(dev);
1343
1344 usb_desc_create_serial(dev);
1345 usb_desc_init(dev);
1346
1347 s->rndis_state = RNDIS_UNINITIALIZED;
1348 QTAILQ_INIT(&s->rndis_resp);
1349
1350 s->medium = 0; /* NDIS_MEDIUM_802_3 */
1351 s->speed = 1000000; /* 100MBps, in 100Bps units */
1352 s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1353 s->filter = 0;
1354 s->vendorid = 0x1234;
1355 s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
1356
1357 qemu_macaddr_default_if_unset(&s->conf.macaddr);
1358 s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1359 object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
1360 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
1361 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1362 "%02x%02x%02x%02x%02x%02x",
1363 0x40,
1364 s->conf.macaddr.a[1],
1365 s->conf.macaddr.a[2],
1366 s->conf.macaddr.a[3],
1367 s->conf.macaddr.a[4],
1368 s->conf.macaddr.a[5]);
1369 usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1370 }
1371
1372 static void usb_net_instance_init(Object *obj)
1373 {
1374 USBDevice *dev = USB_DEVICE(obj);
1375 USBNetState *s = USB_NET(dev);
1376
1377 device_add_bootindex_property(obj, &s->conf.bootindex,
1378 "bootindex", "/ethernet-phy@0",
1379 &dev->qdev, NULL);
1380 }
1381
1382 static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
1383 {
1384 Error *local_err = NULL;
1385 USBDevice *dev;
1386 QemuOpts *opts;
1387 int idx;
1388
1389 opts = qemu_opts_parse_noisily(qemu_find_opts("net"), cmdline, false);
1390 if (!opts) {
1391 return NULL;
1392 }
1393 qemu_opt_set(opts, "type", "nic", &error_abort);
1394 qemu_opt_set(opts, "model", "usb", &error_abort);
1395
1396 idx = net_client_init(opts, 0, &local_err);
1397 if (local_err) {
1398 error_report_err(local_err);
1399 return NULL;
1400 }
1401
1402 dev = usb_create(bus, "usb-net");
1403 qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1404 return dev;
1405 }
1406
1407 static const VMStateDescription vmstate_usb_net = {
1408 .name = "usb-net",
1409 .unmigratable = 1,
1410 };
1411
1412 static Property net_properties[] = {
1413 DEFINE_NIC_PROPERTIES(USBNetState, conf),
1414 DEFINE_PROP_END_OF_LIST(),
1415 };
1416
1417 static void usb_net_class_initfn(ObjectClass *klass, void *data)
1418 {
1419 DeviceClass *dc = DEVICE_CLASS(klass);
1420 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
1421
1422 uc->realize = usb_net_realize;
1423 uc->product_desc = "QEMU USB Network Interface";
1424 uc->usb_desc = &desc_net;
1425 uc->handle_reset = usb_net_handle_reset;
1426 uc->handle_control = usb_net_handle_control;
1427 uc->handle_data = usb_net_handle_data;
1428 uc->handle_destroy = usb_net_handle_destroy;
1429 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
1430 dc->fw_name = "network";
1431 dc->vmsd = &vmstate_usb_net;
1432 dc->props = net_properties;
1433 }
1434
1435 static const TypeInfo net_info = {
1436 .name = TYPE_USB_NET,
1437 .parent = TYPE_USB_DEVICE,
1438 .instance_size = sizeof(USBNetState),
1439 .class_init = usb_net_class_initfn,
1440 .instance_init = usb_net_instance_init,
1441 };
1442
1443 static void usb_net_register_types(void)
1444 {
1445 type_register_static(&net_info);
1446 usb_legacy_register(TYPE_USB_NET, "net", usb_net_init);
1447 }
1448
1449 type_init(usb_net_register_types)
AR7 emulation for QEMU