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qapi/error: Check format string argument in error_*prepend()
[qemu/armbru.git] / hw / usb / dev-network.c
blobc69756709b189ff91098155d9bc747de6d70ec26
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 "qapi/error.h"
28 #include "hw/qdev-properties.h"
29 #include "hw/usb.h"
30 #include "migration/vmstate.h"
31 #include "desc.h"
32 #include "net/net.h"
33 #include "qemu/error-report.h"
34 #include "qemu/queue.h"
35 #include "qemu/config-file.h"
36 #include "sysemu/sysemu.h"
37 #include "qemu/iov.h"
38 #include "qemu/module.h"
39 #include "qemu/cutils.h"
40
41 /*#define TRAFFIC_DEBUG*/
42 /* Thanks to NetChip Technologies for donating this product ID.
43 * It's for devices with only CDC Ethernet configurations.
44 */
45 #define CDC_VENDOR_NUM 0x0525 /* NetChip */
46 #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */
47 /* For hardware that can talk RNDIS and either of the above protocols,
48 * use this ID ... the windows INF files will know it.
49 */
50 #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */
51 #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */
52
53 enum usbstring_idx {
54 STRING_MANUFACTURER = 1,
55 STRING_PRODUCT,
56 STRING_ETHADDR,
57 STRING_DATA,
58 STRING_CONTROL,
59 STRING_RNDIS_CONTROL,
60 STRING_CDC,
61 STRING_SUBSET,
62 STRING_RNDIS,
63 STRING_SERIALNUMBER,
64 };
65
66 #define DEV_CONFIG_VALUE 1 /* CDC or a subset */
67 #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */
68
69 #define USB_CDC_SUBCLASS_ACM 0x02
70 #define USB_CDC_SUBCLASS_ETHERNET 0x06
71
72 #define USB_CDC_PROTO_NONE 0
73 #define USB_CDC_ACM_PROTO_VENDOR 0xff
74
75 #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
76 #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
77 #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
78 #define USB_CDC_UNION_TYPE 0x06 /* union_desc */
79 #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
80
81 #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
82 #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
83 #define USB_CDC_REQ_SET_LINE_CODING 0x20
84 #define USB_CDC_REQ_GET_LINE_CODING 0x21
85 #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
86 #define USB_CDC_REQ_SEND_BREAK 0x23
87 #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
88 #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
89 #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
90 #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
91 #define USB_CDC_GET_ETHERNET_STATISTIC 0x44
92
93 #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
94 #define STATUS_BYTECOUNT 16 /* 8 byte header + data */
95
96 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
97
98 static const USBDescStrings usb_net_stringtable = {
99 [STRING_MANUFACTURER] = "QEMU",
100 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device",
101 [STRING_ETHADDR] = "400102030405",
102 [STRING_DATA] = "QEMU USB Net Data Interface",
103 [STRING_CONTROL] = "QEMU USB Net Control Interface",
104 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface",
105 [STRING_CDC] = "QEMU USB Net CDC",
106 [STRING_SUBSET] = "QEMU USB Net Subset",
107 [STRING_RNDIS] = "QEMU USB Net RNDIS",
108 [STRING_SERIALNUMBER] = "1",
109 };
110
111 static const USBDescIface desc_iface_rndis[] = {
112 {
113 /* RNDIS Control Interface */
114 .bInterfaceNumber = 0,
115 .bNumEndpoints = 1,
116 .bInterfaceClass = USB_CLASS_COMM,
117 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
118 .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR,
119 .iInterface = STRING_RNDIS_CONTROL,
120 .ndesc = 4,
121 .descs = (USBDescOther[]) {
122 {
123 /* Header Descriptor */
124 .data = (uint8_t[]) {
125 0x05, /* u8 bLength */
126 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
127 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
128 0x10, 0x01, /* le16 bcdCDC */
129 },
130 },{
131 /* Call Management Descriptor */
132 .data = (uint8_t[]) {
133 0x05, /* u8 bLength */
134 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
135 USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
136 0x00, /* u8 bmCapabilities */
137 0x01, /* u8 bDataInterface */
138 },
139 },{
140 /* ACM Descriptor */
141 .data = (uint8_t[]) {
142 0x04, /* u8 bLength */
143 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
144 USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
145 0x00, /* u8 bmCapabilities */
146 },
147 },{
148 /* Union Descriptor */
149 .data = (uint8_t[]) {
150 0x05, /* u8 bLength */
151 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
152 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
153 0x00, /* u8 bMasterInterface0 */
154 0x01, /* u8 bSlaveInterface0 */
155 },
156 },
157 },
158 .eps = (USBDescEndpoint[]) {
159 {
160 .bEndpointAddress = USB_DIR_IN | 0x01,
161 .bmAttributes = USB_ENDPOINT_XFER_INT,
162 .wMaxPacketSize = STATUS_BYTECOUNT,
163 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
164 },
165 }
166 },{
167 /* RNDIS Data Interface */
168 .bInterfaceNumber = 1,
169 .bNumEndpoints = 2,
170 .bInterfaceClass = USB_CLASS_CDC_DATA,
171 .iInterface = STRING_DATA,
172 .eps = (USBDescEndpoint[]) {
173 {
174 .bEndpointAddress = USB_DIR_IN | 0x02,
175 .bmAttributes = USB_ENDPOINT_XFER_BULK,
176 .wMaxPacketSize = 0x40,
177 },{
178 .bEndpointAddress = USB_DIR_OUT | 0x02,
179 .bmAttributes = USB_ENDPOINT_XFER_BULK,
180 .wMaxPacketSize = 0x40,
181 }
182 }
183 }
184 };
185
186 static const USBDescIface desc_iface_cdc[] = {
187 {
188 /* CDC Control Interface */
189 .bInterfaceNumber = 0,
190 .bNumEndpoints = 1,
191 .bInterfaceClass = USB_CLASS_COMM,
192 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
193 .bInterfaceProtocol = USB_CDC_PROTO_NONE,
194 .iInterface = STRING_CONTROL,
195 .ndesc = 3,
196 .descs = (USBDescOther[]) {
197 {
198 /* Header Descriptor */
199 .data = (uint8_t[]) {
200 0x05, /* u8 bLength */
201 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
202 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
203 0x10, 0x01, /* le16 bcdCDC */
204 },
205 },{
206 /* Union Descriptor */
207 .data = (uint8_t[]) {
208 0x05, /* u8 bLength */
209 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
210 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
211 0x00, /* u8 bMasterInterface0 */
212 0x01, /* u8 bSlaveInterface0 */
213 },
214 },{
215 /* Ethernet Descriptor */
216 .data = (uint8_t[]) {
217 0x0d, /* u8 bLength */
218 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
219 USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */
220 STRING_ETHADDR, /* u8 iMACAddress */
221 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */
222 ETH_FRAME_LEN & 0xff,
223 ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */
224 0x00, 0x00, /* le16 wNumberMCFilters */
225 0x00, /* u8 bNumberPowerFilters */
226 },
227 },
228 },
229 .eps = (USBDescEndpoint[]) {
230 {
231 .bEndpointAddress = USB_DIR_IN | 0x01,
232 .bmAttributes = USB_ENDPOINT_XFER_INT,
233 .wMaxPacketSize = STATUS_BYTECOUNT,
234 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
235 },
236 }
237 },{
238 /* CDC Data Interface (off) */
239 .bInterfaceNumber = 1,
240 .bAlternateSetting = 0,
241 .bNumEndpoints = 0,
242 .bInterfaceClass = USB_CLASS_CDC_DATA,
243 },{
244 /* CDC Data Interface */
245 .bInterfaceNumber = 1,
246 .bAlternateSetting = 1,
247 .bNumEndpoints = 2,
248 .bInterfaceClass = USB_CLASS_CDC_DATA,
249 .iInterface = STRING_DATA,
250 .eps = (USBDescEndpoint[]) {
251 {
252 .bEndpointAddress = USB_DIR_IN | 0x02,
253 .bmAttributes = USB_ENDPOINT_XFER_BULK,
254 .wMaxPacketSize = 0x40,
255 },{
256 .bEndpointAddress = USB_DIR_OUT | 0x02,
257 .bmAttributes = USB_ENDPOINT_XFER_BULK,
258 .wMaxPacketSize = 0x40,
259 }
260 }
261 }
262 };
263
264 static const USBDescDevice desc_device_net = {
265 .bcdUSB = 0x0200,
266 .bDeviceClass = USB_CLASS_COMM,
267 .bMaxPacketSize0 = 0x40,
268 .bNumConfigurations = 2,
269 .confs = (USBDescConfig[]) {
270 {
271 .bNumInterfaces = 2,
272 .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE,
273 .iConfiguration = STRING_RNDIS,
274 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
275 .bMaxPower = 0x32,
276 .nif = ARRAY_SIZE(desc_iface_rndis),
277 .ifs = desc_iface_rndis,
278 },{
279 .bNumInterfaces = 2,
280 .bConfigurationValue = DEV_CONFIG_VALUE,
281 .iConfiguration = STRING_CDC,
282 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
283 .bMaxPower = 0x32,
284 .nif = ARRAY_SIZE(desc_iface_cdc),
285 .ifs = desc_iface_cdc,
286 }
287 },
288 };
289
290 static const USBDesc desc_net = {
291 .id = {
292 .idVendor = RNDIS_VENDOR_NUM,
293 .idProduct = RNDIS_PRODUCT_NUM,
294 .bcdDevice = 0,
295 .iManufacturer = STRING_MANUFACTURER,
296 .iProduct = STRING_PRODUCT,
297 .iSerialNumber = STRING_SERIALNUMBER,
298 },
299 .full = &desc_device_net,
300 .str = usb_net_stringtable,
301 };
302
303 /*
304 * RNDIS Definitions - in theory not specific to USB.
305 */
306 #define RNDIS_MAXIMUM_FRAME_SIZE 1518
307 #define RNDIS_MAX_TOTAL_SIZE 1558
308
309 /* Remote NDIS Versions */
310 #define RNDIS_MAJOR_VERSION 1
311 #define RNDIS_MINOR_VERSION 0
312
313 /* Status Values */
314 #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */
315 #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */
316 #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */
317 #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */
318 #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */
319 #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */
320
321 /* Message Set for Connectionless (802.3) Devices */
322 enum {
323 RNDIS_PACKET_MSG = 1,
324 RNDIS_INITIALIZE_MSG = 2, /* Initialize device */
325 RNDIS_HALT_MSG = 3,
326 RNDIS_QUERY_MSG = 4,
327 RNDIS_SET_MSG = 5,
328 RNDIS_RESET_MSG = 6,
329 RNDIS_INDICATE_STATUS_MSG = 7,
330 RNDIS_KEEPALIVE_MSG = 8,
331 };
332
333 /* Message completion */
334 enum {
335 RNDIS_INITIALIZE_CMPLT = 0x80000002U,
336 RNDIS_QUERY_CMPLT = 0x80000004U,
337 RNDIS_SET_CMPLT = 0x80000005U,
338 RNDIS_RESET_CMPLT = 0x80000006U,
339 RNDIS_KEEPALIVE_CMPLT = 0x80000008U,
340 };
341
342 /* Device Flags */
343 enum {
344 RNDIS_DF_CONNECTIONLESS = 1,
345 RNDIS_DF_CONNECTIONORIENTED = 2,
346 };
347
348 #define RNDIS_MEDIUM_802_3 0x00000000U
349
350 /* from drivers/net/sk98lin/h/skgepnmi.h */
351 #define OID_PNP_CAPABILITIES 0xfd010100
352 #define OID_PNP_SET_POWER 0xfd010101
353 #define OID_PNP_QUERY_POWER 0xfd010102
354 #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103
355 #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104
356 #define OID_PNP_ENABLE_WAKE_UP 0xfd010106
357
358 typedef uint32_t le32;
359
360 typedef struct rndis_init_msg_type {
361 le32 MessageType;
362 le32 MessageLength;
363 le32 RequestID;
364 le32 MajorVersion;
365 le32 MinorVersion;
366 le32 MaxTransferSize;
367 } rndis_init_msg_type;
368
369 typedef struct rndis_init_cmplt_type {
370 le32 MessageType;
371 le32 MessageLength;
372 le32 RequestID;
373 le32 Status;
374 le32 MajorVersion;
375 le32 MinorVersion;
376 le32 DeviceFlags;
377 le32 Medium;
378 le32 MaxPacketsPerTransfer;
379 le32 MaxTransferSize;
380 le32 PacketAlignmentFactor;
381 le32 AFListOffset;
382 le32 AFListSize;
383 } rndis_init_cmplt_type;
384
385 typedef struct rndis_halt_msg_type {
386 le32 MessageType;
387 le32 MessageLength;
388 le32 RequestID;
389 } rndis_halt_msg_type;
390
391 typedef struct rndis_query_msg_type {
392 le32 MessageType;
393 le32 MessageLength;
394 le32 RequestID;
395 le32 OID;
396 le32 InformationBufferLength;
397 le32 InformationBufferOffset;
398 le32 DeviceVcHandle;
399 } rndis_query_msg_type;
400
401 typedef struct rndis_query_cmplt_type {
402 le32 MessageType;
403 le32 MessageLength;
404 le32 RequestID;
405 le32 Status;
406 le32 InformationBufferLength;
407 le32 InformationBufferOffset;
408 } rndis_query_cmplt_type;
409
410 typedef struct rndis_set_msg_type {
411 le32 MessageType;
412 le32 MessageLength;
413 le32 RequestID;
414 le32 OID;
415 le32 InformationBufferLength;
416 le32 InformationBufferOffset;
417 le32 DeviceVcHandle;
418 } rndis_set_msg_type;
419
420 typedef struct rndis_set_cmplt_type {
421 le32 MessageType;
422 le32 MessageLength;
423 le32 RequestID;
424 le32 Status;
425 } rndis_set_cmplt_type;
426
427 typedef struct rndis_reset_msg_type {
428 le32 MessageType;
429 le32 MessageLength;
430 le32 Reserved;
431 } rndis_reset_msg_type;
432
433 typedef struct rndis_reset_cmplt_type {
434 le32 MessageType;
435 le32 MessageLength;
436 le32 Status;
437 le32 AddressingReset;
438 } rndis_reset_cmplt_type;
439
440 typedef struct rndis_indicate_status_msg_type {
441 le32 MessageType;
442 le32 MessageLength;
443 le32 Status;
444 le32 StatusBufferLength;
445 le32 StatusBufferOffset;
446 } rndis_indicate_status_msg_type;
447
448 typedef struct rndis_keepalive_msg_type {
449 le32 MessageType;
450 le32 MessageLength;
451 le32 RequestID;
452 } rndis_keepalive_msg_type;
453
454 typedef struct rndis_keepalive_cmplt_type {
455 le32 MessageType;
456 le32 MessageLength;
457 le32 RequestID;
458 le32 Status;
459 } rndis_keepalive_cmplt_type;
460
461 struct rndis_packet_msg_type {
462 le32 MessageType;
463 le32 MessageLength;
464 le32 DataOffset;
465 le32 DataLength;
466 le32 OOBDataOffset;
467 le32 OOBDataLength;
468 le32 NumOOBDataElements;
469 le32 PerPacketInfoOffset;
470 le32 PerPacketInfoLength;
471 le32 VcHandle;
472 le32 Reserved;
473 };
474
475 struct rndis_config_parameter {
476 le32 ParameterNameOffset;
477 le32 ParameterNameLength;
478 le32 ParameterType;
479 le32 ParameterValueOffset;
480 le32 ParameterValueLength;
481 };
482
483 /* implementation specific */
484 enum rndis_state
485 {
486 RNDIS_UNINITIALIZED,
487 RNDIS_INITIALIZED,
488 RNDIS_DATA_INITIALIZED,
489 };
490
491 /* from ndis.h */
492 enum ndis_oid {
493 /* Required Object IDs (OIDs) */
494 OID_GEN_SUPPORTED_LIST = 0x00010101,
495 OID_GEN_HARDWARE_STATUS = 0x00010102,
496 OID_GEN_MEDIA_SUPPORTED = 0x00010103,
497 OID_GEN_MEDIA_IN_USE = 0x00010104,
498 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105,
499 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106,
500 OID_GEN_LINK_SPEED = 0x00010107,
501 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108,
502 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109,
503 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a,
504 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b,
505 OID_GEN_VENDOR_ID = 0x0001010c,
506 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d,
507 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e,
508 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f,
509 OID_GEN_DRIVER_VERSION = 0x00010110,
510 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111,
511 OID_GEN_PROTOCOL_OPTIONS = 0x00010112,
512 OID_GEN_MAC_OPTIONS = 0x00010113,
513 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114,
514 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115,
515 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116,
516 OID_GEN_SUPPORTED_GUIDS = 0x00010117,
517 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118,
518 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119,
519 OID_GEN_MACHINE_NAME = 0x0001021a,
520 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b,
521 OID_GEN_VLAN_ID = 0x0001021c,
522
523 /* Optional OIDs */
524 OID_GEN_MEDIA_CAPABILITIES = 0x00010201,
525 OID_GEN_PHYSICAL_MEDIUM = 0x00010202,
526
527 /* Required statistics OIDs */
528 OID_GEN_XMIT_OK = 0x00020101,
529 OID_GEN_RCV_OK = 0x00020102,
530 OID_GEN_XMIT_ERROR = 0x00020103,
531 OID_GEN_RCV_ERROR = 0x00020104,
532 OID_GEN_RCV_NO_BUFFER = 0x00020105,
533
534 /* Optional statistics OIDs */
535 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201,
536 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202,
537 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203,
538 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204,
539 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205,
540 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206,
541 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207,
542 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208,
543 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209,
544 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a,
545 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b,
546 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c,
547 OID_GEN_RCV_CRC_ERROR = 0x0002020d,
548 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e,
549 OID_GEN_GET_TIME_CAPS = 0x0002020f,
550 OID_GEN_GET_NETCARD_TIME = 0x00020210,
551 OID_GEN_NETCARD_LOAD = 0x00020211,
552 OID_GEN_DEVICE_PROFILE = 0x00020212,
553 OID_GEN_INIT_TIME_MS = 0x00020213,
554 OID_GEN_RESET_COUNTS = 0x00020214,
555 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215,
556 OID_GEN_FRIENDLY_NAME = 0x00020216,
557 OID_GEN_MINIPORT_INFO = 0x00020217,
558 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218,
559
560 /* IEEE 802.3 (Ethernet) OIDs */
561 OID_802_3_PERMANENT_ADDRESS = 0x01010101,
562 OID_802_3_CURRENT_ADDRESS = 0x01010102,
563 OID_802_3_MULTICAST_LIST = 0x01010103,
564 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104,
565 OID_802_3_MAC_OPTIONS = 0x01010105,
566 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101,
567 OID_802_3_XMIT_ONE_COLLISION = 0x01020102,
568 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103,
569 OID_802_3_XMIT_DEFERRED = 0x01020201,
570 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202,
571 OID_802_3_RCV_OVERRUN = 0x01020203,
572 OID_802_3_XMIT_UNDERRUN = 0x01020204,
573 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205,
574 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206,
575 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207,
576 };
577
578 static const uint32_t oid_supported_list[] =
579 {
580 /* the general stuff */
581 OID_GEN_SUPPORTED_LIST,
582 OID_GEN_HARDWARE_STATUS,
583 OID_GEN_MEDIA_SUPPORTED,
584 OID_GEN_MEDIA_IN_USE,
585 OID_GEN_MAXIMUM_FRAME_SIZE,
586 OID_GEN_LINK_SPEED,
587 OID_GEN_TRANSMIT_BLOCK_SIZE,
588 OID_GEN_RECEIVE_BLOCK_SIZE,
589 OID_GEN_VENDOR_ID,
590 OID_GEN_VENDOR_DESCRIPTION,
591 OID_GEN_VENDOR_DRIVER_VERSION,
592 OID_GEN_CURRENT_PACKET_FILTER,
593 OID_GEN_MAXIMUM_TOTAL_SIZE,
594 OID_GEN_MEDIA_CONNECT_STATUS,
595 OID_GEN_PHYSICAL_MEDIUM,
596
597 /* the statistical stuff */
598 OID_GEN_XMIT_OK,
599 OID_GEN_RCV_OK,
600 OID_GEN_XMIT_ERROR,
601 OID_GEN_RCV_ERROR,
602 OID_GEN_RCV_NO_BUFFER,
603
604 /* IEEE 802.3 */
605 /* the general stuff */
606 OID_802_3_PERMANENT_ADDRESS,
607 OID_802_3_CURRENT_ADDRESS,
608 OID_802_3_MULTICAST_LIST,
609 OID_802_3_MAC_OPTIONS,
610 OID_802_3_MAXIMUM_LIST_SIZE,
611
612 /* the statistical stuff */
613 OID_802_3_RCV_ERROR_ALIGNMENT,
614 OID_802_3_XMIT_ONE_COLLISION,
615 OID_802_3_XMIT_MORE_COLLISIONS,
616 };
617
618 #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0)
619 #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1)
620 #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2)
621 #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3)
622 #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4)
623 #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5)
624 #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6)
625
626 struct rndis_response {
627 QTAILQ_ENTRY(rndis_response) entries;
628 uint32_t length;
629 uint8_t buf[];
630 };
631
632 typedef struct USBNetState {
633 USBDevice dev;
634
635 enum rndis_state rndis_state;
636 uint32_t medium;
637 uint32_t speed;
638 uint32_t media_state;
639 uint16_t filter;
640 uint32_t vendorid;
641
642 unsigned int out_ptr;
643 uint8_t out_buf[2048];
644
645 unsigned int in_ptr, in_len;
646 uint8_t in_buf[2048];
647
648 USBEndpoint *intr;
649
650 char usbstring_mac[13];
651 NICState *nic;
652 NICConf conf;
653 QTAILQ_HEAD(, rndis_response) rndis_resp;
654 } USBNetState;
655
656 #define TYPE_USB_NET "usb-net"
657 #define USB_NET(obj) OBJECT_CHECK(USBNetState, (obj), TYPE_USB_NET)
658
659 static int is_rndis(USBNetState *s)
660 {
661 return s->dev.config ?
662 s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE : 0;
663 }
664
665 static int ndis_query(USBNetState *s, uint32_t oid,
666 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
667 size_t outlen)
668 {
669 unsigned int i;
670
671 switch (oid) {
672 /* general oids (table 4-1) */
673 /* mandatory */
674 case OID_GEN_SUPPORTED_LIST:
675 for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++) {
676 stl_le_p(outbuf + (i * sizeof(le32)), oid_supported_list[i]);
677 }
678 return sizeof(oid_supported_list);
679
680 /* mandatory */
681 case OID_GEN_HARDWARE_STATUS:
682 stl_le_p(outbuf, 0);
683 return sizeof(le32);
684
685 /* mandatory */
686 case OID_GEN_MEDIA_SUPPORTED:
687 stl_le_p(outbuf, s->medium);
688 return sizeof(le32);
689
690 /* mandatory */
691 case OID_GEN_MEDIA_IN_USE:
692 stl_le_p(outbuf, s->medium);
693 return sizeof(le32);
694
695 /* mandatory */
696 case OID_GEN_MAXIMUM_FRAME_SIZE:
697 stl_le_p(outbuf, ETH_FRAME_LEN);
698 return sizeof(le32);
699
700 /* mandatory */
701 case OID_GEN_LINK_SPEED:
702 stl_le_p(outbuf, s->speed);
703 return sizeof(le32);
704
705 /* mandatory */
706 case OID_GEN_TRANSMIT_BLOCK_SIZE:
707 stl_le_p(outbuf, ETH_FRAME_LEN);
708 return sizeof(le32);
709
710 /* mandatory */
711 case OID_GEN_RECEIVE_BLOCK_SIZE:
712 stl_le_p(outbuf, ETH_FRAME_LEN);
713 return sizeof(le32);
714
715 /* mandatory */
716 case OID_GEN_VENDOR_ID:
717 stl_le_p(outbuf, s->vendorid);
718 return sizeof(le32);
719
720 /* mandatory */
721 case OID_GEN_VENDOR_DESCRIPTION:
722 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
723 return strlen((char *)outbuf) + 1;
724
725 case OID_GEN_VENDOR_DRIVER_VERSION:
726 stl_le_p(outbuf, 1);
727 return sizeof(le32);
728
729 /* mandatory */
730 case OID_GEN_CURRENT_PACKET_FILTER:
731 stl_le_p(outbuf, s->filter);
732 return sizeof(le32);
733
734 /* mandatory */
735 case OID_GEN_MAXIMUM_TOTAL_SIZE:
736 stl_le_p(outbuf, RNDIS_MAX_TOTAL_SIZE);
737 return sizeof(le32);
738
739 /* mandatory */
740 case OID_GEN_MEDIA_CONNECT_STATUS:
741 stl_le_p(outbuf, s->media_state);
742 return sizeof(le32);
743
744 case OID_GEN_PHYSICAL_MEDIUM:
745 stl_le_p(outbuf, 0);
746 return sizeof(le32);
747
748 case OID_GEN_MAC_OPTIONS:
749 stl_le_p(outbuf, NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
750 NDIS_MAC_OPTION_FULL_DUPLEX);
751 return sizeof(le32);
752
753 /* statistics OIDs (table 4-2) */
754 /* mandatory */
755 case OID_GEN_XMIT_OK:
756 stl_le_p(outbuf, 0);
757 return sizeof(le32);
758
759 /* mandatory */
760 case OID_GEN_RCV_OK:
761 stl_le_p(outbuf, 0);
762 return sizeof(le32);
763
764 /* mandatory */
765 case OID_GEN_XMIT_ERROR:
766 stl_le_p(outbuf, 0);
767 return sizeof(le32);
768
769 /* mandatory */
770 case OID_GEN_RCV_ERROR:
771 stl_le_p(outbuf, 0);
772 return sizeof(le32);
773
774 /* mandatory */
775 case OID_GEN_RCV_NO_BUFFER:
776 stl_le_p(outbuf, 0);
777 return sizeof(le32);
778
779 /* ieee802.3 OIDs (table 4-3) */
780 /* mandatory */
781 case OID_802_3_PERMANENT_ADDRESS:
782 memcpy(outbuf, s->conf.macaddr.a, 6);
783 return 6;
784
785 /* mandatory */
786 case OID_802_3_CURRENT_ADDRESS:
787 memcpy(outbuf, s->conf.macaddr.a, 6);
788 return 6;
789
790 /* mandatory */
791 case OID_802_3_MULTICAST_LIST:
792 stl_le_p(outbuf, 0xe0000000);
793 return sizeof(le32);
794
795 /* mandatory */
796 case OID_802_3_MAXIMUM_LIST_SIZE:
797 stl_le_p(outbuf, 1);
798 return sizeof(le32);
799
800 case OID_802_3_MAC_OPTIONS:
801 return 0;
802
803 /* ieee802.3 statistics OIDs (table 4-4) */
804 /* mandatory */
805 case OID_802_3_RCV_ERROR_ALIGNMENT:
806 stl_le_p(outbuf, 0);
807 return sizeof(le32);
808
809 /* mandatory */
810 case OID_802_3_XMIT_ONE_COLLISION:
811 stl_le_p(outbuf, 0);
812 return sizeof(le32);
813
814 /* mandatory */
815 case OID_802_3_XMIT_MORE_COLLISIONS:
816 stl_le_p(outbuf, 0);
817 return sizeof(le32);
818
819 default:
820 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
821 return 0;
822 }
823 return -1;
824 }
825
826 static int ndis_set(USBNetState *s, uint32_t oid,
827 uint8_t *inbuf, unsigned int inlen)
828 {
829 switch (oid) {
830 case OID_GEN_CURRENT_PACKET_FILTER:
831 s->filter = ldl_le_p(inbuf);
832 if (s->filter) {
833 s->rndis_state = RNDIS_DATA_INITIALIZED;
834 } else {
835 s->rndis_state = RNDIS_INITIALIZED;
836 }
837 return 0;
838
839 case OID_802_3_MULTICAST_LIST:
840 return 0;
841 }
842 return -1;
843 }
844
845 static int rndis_get_response(USBNetState *s, uint8_t *buf)
846 {
847 int ret = 0;
848 struct rndis_response *r = s->rndis_resp.tqh_first;
849
850 if (!r)
851 return ret;
852
853 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
854 ret = r->length;
855 memcpy(buf, r->buf, r->length);
856 g_free(r);
857
858 return ret;
859 }
860
861 static void *rndis_queue_response(USBNetState *s, unsigned int length)
862 {
863 struct rndis_response *r =
864 g_malloc0(sizeof(struct rndis_response) + length);
865
866 if (QTAILQ_EMPTY(&s->rndis_resp)) {
867 usb_wakeup(s->intr, 0);
868 }
869
870 QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
871 r->length = length;
872
873 return &r->buf[0];
874 }
875
876 static void rndis_clear_responsequeue(USBNetState *s)
877 {
878 struct rndis_response *r;
879
880 while ((r = s->rndis_resp.tqh_first)) {
881 QTAILQ_REMOVE(&s->rndis_resp, r, entries);
882 g_free(r);
883 }
884 }
885
886 static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
887 {
888 rndis_init_cmplt_type *resp =
889 rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
890
891 if (!resp)
892 return USB_RET_STALL;
893
894 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
895 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
896 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
897 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
898 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
899 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
900 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
901 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
902 resp->MaxPacketsPerTransfer = cpu_to_le32(1);
903 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
904 sizeof(struct rndis_packet_msg_type) + 22);
905 resp->PacketAlignmentFactor = cpu_to_le32(0);
906 resp->AFListOffset = cpu_to_le32(0);
907 resp->AFListSize = cpu_to_le32(0);
908 return 0;
909 }
910
911 static int rndis_query_response(USBNetState *s,
912 rndis_query_msg_type *buf, unsigned int length)
913 {
914 rndis_query_cmplt_type *resp;
915 /* oid_supported_list is the largest data reply */
916 uint8_t infobuf[sizeof(oid_supported_list)];
917 uint32_t bufoffs, buflen;
918 int infobuflen;
919 unsigned int resplen;
920
921 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
922 buflen = le32_to_cpu(buf->InformationBufferLength);
923 if (buflen > length || bufoffs >= length || bufoffs + buflen > length) {
924 return USB_RET_STALL;
925 }
926
927 infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
928 bufoffs + (uint8_t *) buf, buflen, infobuf,
929 sizeof(infobuf));
930 resplen = sizeof(rndis_query_cmplt_type) +
931 ((infobuflen < 0) ? 0 : infobuflen);
932 resp = rndis_queue_response(s, resplen);
933 if (!resp)
934 return USB_RET_STALL;
935
936 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
937 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
938 resp->MessageLength = cpu_to_le32(resplen);
939
940 if (infobuflen < 0) {
941 /* OID not supported */
942 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
943 resp->InformationBufferLength = cpu_to_le32(0);
944 resp->InformationBufferOffset = cpu_to_le32(0);
945 return 0;
946 }
947
948 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
949 resp->InformationBufferOffset =
950 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
951 resp->InformationBufferLength = cpu_to_le32(infobuflen);
952 memcpy(resp + 1, infobuf, infobuflen);
953
954 return 0;
955 }
956
957 static int rndis_set_response(USBNetState *s,
958 rndis_set_msg_type *buf, unsigned int length)
959 {
960 rndis_set_cmplt_type *resp =
961 rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
962 uint32_t bufoffs, buflen;
963 int ret;
964
965 if (!resp)
966 return USB_RET_STALL;
967
968 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
969 buflen = le32_to_cpu(buf->InformationBufferLength);
970 if (buflen > length || bufoffs >= length || bufoffs + buflen > length) {
971 return USB_RET_STALL;
972 }
973
974 ret = ndis_set(s, le32_to_cpu(buf->OID),
975 bufoffs + (uint8_t *) buf, buflen);
976 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
977 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
978 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
979 if (ret < 0) {
980 /* OID not supported */
981 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
982 return 0;
983 }
984 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
985
986 return 0;
987 }
988
989 static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
990 {
991 rndis_reset_cmplt_type *resp =
992 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
993
994 if (!resp)
995 return USB_RET_STALL;
996
997 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
998 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
999 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1000 resp->AddressingReset = cpu_to_le32(1); /* reset information */
1001
1002 return 0;
1003 }
1004
1005 static int rndis_keepalive_response(USBNetState *s,
1006 rndis_keepalive_msg_type *buf)
1007 {
1008 rndis_keepalive_cmplt_type *resp =
1009 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
1010
1011 if (!resp)
1012 return USB_RET_STALL;
1013
1014 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
1015 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
1016 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
1017 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1018
1019 return 0;
1020 }
1021
1022 /* Prepare to receive the next packet */
1023 static void usb_net_reset_in_buf(USBNetState *s)
1024 {
1025 s->in_ptr = s->in_len = 0;
1026 qemu_flush_queued_packets(qemu_get_queue(s->nic));
1027 }
1028
1029 static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1030 {
1031 uint32_t msg_type = ldl_le_p(data);
1032
1033 switch (msg_type) {
1034 case RNDIS_INITIALIZE_MSG:
1035 s->rndis_state = RNDIS_INITIALIZED;
1036 return rndis_init_response(s, (rndis_init_msg_type *) data);
1037
1038 case RNDIS_HALT_MSG:
1039 s->rndis_state = RNDIS_UNINITIALIZED;
1040 return 0;
1041
1042 case RNDIS_QUERY_MSG:
1043 return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1044
1045 case RNDIS_SET_MSG:
1046 return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1047
1048 case RNDIS_RESET_MSG:
1049 rndis_clear_responsequeue(s);
1050 s->out_ptr = 0;
1051 usb_net_reset_in_buf(s);
1052 return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1053
1054 case RNDIS_KEEPALIVE_MSG:
1055 /* For USB: host does this every 5 seconds */
1056 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1057 }
1058
1059 return USB_RET_STALL;
1060 }
1061
1062 static void usb_net_handle_reset(USBDevice *dev)
1063 {
1064 }
1065
1066 static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
1067 int request, int value, int index, int length, uint8_t *data)
1068 {
1069 USBNetState *s = (USBNetState *) dev;
1070 int ret;
1071
1072 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
1073 if (ret >= 0) {
1074 return;
1075 }
1076
1077 switch(request) {
1078 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1079 if (!is_rndis(s) || value || index != 0) {
1080 goto fail;
1081 }
1082 #ifdef TRAFFIC_DEBUG
1083 {
1084 unsigned int i;
1085 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1086 for (i = 0; i < length; i++) {
1087 if (!(i & 15))
1088 fprintf(stderr, "\n%04x:", i);
1089 fprintf(stderr, " %02x", data[i]);
1090 }
1091 fprintf(stderr, "\n\n");
1092 }
1093 #endif
1094 ret = rndis_parse(s, data, length);
1095 if (ret < 0) {
1096 p->status = ret;
1097 }
1098 break;
1099
1100 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1101 if (!is_rndis(s) || value || index != 0) {
1102 goto fail;
1103 }
1104 p->actual_length = rndis_get_response(s, data);
1105 if (p->actual_length == 0) {
1106 data[0] = 0;
1107 p->actual_length = 1;
1108 }
1109 #ifdef TRAFFIC_DEBUG
1110 {
1111 unsigned int i;
1112 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1113 for (i = 0; i < p->actual_length; i++) {
1114 if (!(i & 15))
1115 fprintf(stderr, "\n%04x:", i);
1116 fprintf(stderr, " %02x", data[i]);
1117 }
1118 fprintf(stderr, "\n\n");
1119 }
1120 #endif
1121 break;
1122
1123 default:
1124 fail:
1125 fprintf(stderr, "usbnet: failed control transaction: "
1126 "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1127 request, value, index, length);
1128 p->status = USB_RET_STALL;
1129 break;
1130 }
1131 }
1132
1133 static void usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1134 {
1135 le32 buf[2];
1136
1137 if (p->iov.size < 8) {
1138 p->status = USB_RET_STALL;
1139 return;
1140 }
1141
1142 buf[0] = cpu_to_le32(1);
1143 buf[1] = cpu_to_le32(0);
1144 usb_packet_copy(p, buf, 8);
1145 if (!s->rndis_resp.tqh_first) {
1146 p->status = USB_RET_NAK;
1147 }
1148
1149 #ifdef TRAFFIC_DEBUG
1150 fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
1151 p->iov.size, p->status);
1152 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status);
1153 #endif
1154 }
1155
1156 static void usb_net_handle_datain(USBNetState *s, USBPacket *p)
1157 {
1158 int len;
1159
1160 if (s->in_ptr > s->in_len) {
1161 usb_net_reset_in_buf(s);
1162 p->status = USB_RET_NAK;
1163 return;
1164 }
1165 if (!s->in_len) {
1166 p->status = USB_RET_NAK;
1167 return;
1168 }
1169 len = s->in_len - s->in_ptr;
1170 if (len > p->iov.size) {
1171 len = p->iov.size;
1172 }
1173 usb_packet_copy(p, &s->in_buf[s->in_ptr], len);
1174 s->in_ptr += len;
1175 if (s->in_ptr >= s->in_len &&
1176 (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) {
1177 /* no short packet necessary */
1178 usb_net_reset_in_buf(s);
1179 }
1180
1181 #ifdef TRAFFIC_DEBUG
1182 fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len);
1183 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len);
1184 #endif
1185 }
1186
1187 static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1188 {
1189 int sz = sizeof(s->out_buf) - s->out_ptr;
1190 struct rndis_packet_msg_type *msg =
1191 (struct rndis_packet_msg_type *) s->out_buf;
1192 uint32_t len;
1193
1194 #ifdef TRAFFIC_DEBUG
1195 fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
1196 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
1197 #endif
1198
1199 if (sz > p->iov.size) {
1200 sz = p->iov.size;
1201 }
1202 usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
1203 s->out_ptr += sz;
1204
1205 if (!is_rndis(s)) {
1206 if (p->iov.size < 64) {
1207 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr);
1208 s->out_ptr = 0;
1209 }
1210 return;
1211 }
1212 len = le32_to_cpu(msg->MessageLength);
1213 if (s->out_ptr < 8 || s->out_ptr < len) {
1214 return;
1215 }
1216 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1217 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1218 uint32_t size = le32_to_cpu(msg->DataLength);
1219 if (offs < len && size < len && offs + size <= len) {
1220 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size);
1221 }
1222 }
1223 s->out_ptr -= len;
1224 memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1225 }
1226
1227 static void usb_net_handle_data(USBDevice *dev, USBPacket *p)
1228 {
1229 USBNetState *s = (USBNetState *) dev;
1230
1231 switch(p->pid) {
1232 case USB_TOKEN_IN:
1233 switch (p->ep->nr) {
1234 case 1:
1235 usb_net_handle_statusin(s, p);
1236 break;
1237
1238 case 2:
1239 usb_net_handle_datain(s, p);
1240 break;
1241
1242 default:
1243 goto fail;
1244 }
1245 break;
1246
1247 case USB_TOKEN_OUT:
1248 switch (p->ep->nr) {
1249 case 2:
1250 usb_net_handle_dataout(s, p);
1251 break;
1252
1253 default:
1254 goto fail;
1255 }
1256 break;
1257
1258 default:
1259 fail:
1260 p->status = USB_RET_STALL;
1261 break;
1262 }
1263
1264 if (p->status == USB_RET_STALL) {
1265 fprintf(stderr, "usbnet: failed data transaction: "
1266 "pid 0x%x ep 0x%x len 0x%zx\n",
1267 p->pid, p->ep->nr, p->iov.size);
1268 }
1269 }
1270
1271 static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
1272 {
1273 USBNetState *s = qemu_get_nic_opaque(nc);
1274 uint8_t *in_buf = s->in_buf;
1275 size_t total_size = size;
1276
1277 if (!s->dev.config) {
1278 return -1;
1279 }
1280
1281 if (is_rndis(s)) {
1282 if (s->rndis_state != RNDIS_DATA_INITIALIZED) {
1283 return -1;
1284 }
1285 total_size += sizeof(struct rndis_packet_msg_type);
1286 }
1287 if (total_size > sizeof(s->in_buf)) {
1288 return -1;
1289 }
1290
1291 /* Only accept packet if input buffer is empty */
1292 if (s->in_len > 0) {
1293 return 0;
1294 }
1295
1296 if (is_rndis(s)) {
1297 struct rndis_packet_msg_type *msg;
1298
1299 msg = (struct rndis_packet_msg_type *)in_buf;
1300 memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1301 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1302 msg->MessageLength = cpu_to_le32(size + sizeof(*msg));
1303 msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8);
1304 msg->DataLength = cpu_to_le32(size);
1305 /* msg->OOBDataOffset;
1306 * msg->OOBDataLength;
1307 * msg->NumOOBDataElements;
1308 * msg->PerPacketInfoOffset;
1309 * msg->PerPacketInfoLength;
1310 * msg->VcHandle;
1311 * msg->Reserved;
1312 */
1313 in_buf += sizeof(*msg);
1314 }
1315
1316 memcpy(in_buf, buf, size);
1317 s->in_len = total_size;
1318 s->in_ptr = 0;
1319 return size;
1320 }
1321
1322 static void usbnet_cleanup(NetClientState *nc)
1323 {
1324 USBNetState *s = qemu_get_nic_opaque(nc);
1325
1326 s->nic = NULL;
1327 }
1328
1329 static void usb_net_unrealize(USBDevice *dev)
1330 {
1331 USBNetState *s = (USBNetState *) dev;
1332
1333 /* TODO: remove the nd_table[] entry */
1334 rndis_clear_responsequeue(s);
1335 qemu_del_nic(s->nic);
1336 }
1337
1338 static NetClientInfo net_usbnet_info = {
1339 .type = NET_CLIENT_DRIVER_NIC,
1340 .size = sizeof(NICState),
1341 .receive = usbnet_receive,
1342 .cleanup = usbnet_cleanup,
1343 };
1344
1345 static void usb_net_realize(USBDevice *dev, Error **errp)
1346 {
1347 USBNetState *s = USB_NET(dev);
1348
1349 usb_desc_create_serial(dev);
1350 usb_desc_init(dev);
1351
1352 s->rndis_state = RNDIS_UNINITIALIZED;
1353 QTAILQ_INIT(&s->rndis_resp);
1354
1355 s->medium = 0; /* NDIS_MEDIUM_802_3 */
1356 s->speed = 1000000; /* 100MBps, in 100Bps units */
1357 s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
1358 s->filter = 0;
1359 s->vendorid = 0x1234;
1360 s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
1361
1362 qemu_macaddr_default_if_unset(&s->conf.macaddr);
1363 s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1364 object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
1365 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
1366 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1367 "%02x%02x%02x%02x%02x%02x",
1368 0x40,
1369 s->conf.macaddr.a[1],
1370 s->conf.macaddr.a[2],
1371 s->conf.macaddr.a[3],
1372 s->conf.macaddr.a[4],
1373 s->conf.macaddr.a[5]);
1374 usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1375 }
1376
1377 static void usb_net_instance_init(Object *obj)
1378 {
1379 USBDevice *dev = USB_DEVICE(obj);
1380 USBNetState *s = USB_NET(dev);
1381
1382 device_add_bootindex_property(obj, &s->conf.bootindex,
1383 "bootindex", "/ethernet-phy@0",
1384 &dev->qdev);
1385 }
1386
1387 static const VMStateDescription vmstate_usb_net = {
1388 .name = "usb-net",
1389 .unmigratable = 1,
1390 };
1391
1392 static Property net_properties[] = {
1393 DEFINE_NIC_PROPERTIES(USBNetState, conf),
1394 DEFINE_PROP_END_OF_LIST(),
1395 };
1396
1397 static void usb_net_class_initfn(ObjectClass *klass, void *data)
1398 {
1399 DeviceClass *dc = DEVICE_CLASS(klass);
1400 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
1401
1402 uc->realize = usb_net_realize;
1403 uc->product_desc = "QEMU USB Network Interface";
1404 uc->usb_desc = &desc_net;
1405 uc->handle_reset = usb_net_handle_reset;
1406 uc->handle_control = usb_net_handle_control;
1407 uc->handle_data = usb_net_handle_data;
1408 uc->unrealize = usb_net_unrealize;
1409 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
1410 dc->fw_name = "network";
1411 dc->vmsd = &vmstate_usb_net;
1412 device_class_set_props(dc, net_properties);
1413 }
1414
1415 static const TypeInfo net_info = {
1416 .name = TYPE_USB_NET,
1417 .parent = TYPE_USB_DEVICE,
1418 .instance_size = sizeof(USBNetState),
1419 .class_init = usb_net_class_initfn,
1420 .instance_init = usb_net_instance_init,
1421 };
1422
1423 static void usb_net_register_types(void)
1424 {
1425 type_register_static(&net_info);
1426 }
1427
1428 type_init(usb_net_register_types)
armbru's QEMU hackery