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Commit | Line | Data |
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7e27f18c | 1 | /* |
1da177e4 | 2 | * RNDIS MSG parser |
7e27f18c | 3 | * |
1da177e4 | 4 | * Authors: Benedikt Spranger, Pengutronix |
7e27f18c DB |
5 | * Robert Schwebel, Pengutronix |
6 | * | |
1da177e4 LT |
7 | * This program is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License | |
7e27f18c DB |
9 | * version 2, as published by the Free Software Foundation. |
10 | * | |
1da177e4 LT |
11 | * This software was originally developed in conformance with |
12 | * Microsoft's Remote NDIS Specification License Agreement. | |
7e27f18c | 13 | * |
1da177e4 LT |
14 | * 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de> |
15 | * Fixed message length bug in init_response | |
7e27f18c | 16 | * |
1da177e4 | 17 | * 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de> |
7e27f18c | 18 | * Fixed rndis_rm_hdr length bug. |
1da177e4 LT |
19 | * |
20 | * Copyright (C) 2004 by David Brownell | |
21 | * updates to merge with Linux 2.6, better match RNDIS spec | |
22 | */ | |
23 | ||
1da177e4 LT |
24 | #include <linux/module.h> |
25 | #include <linux/moduleparam.h> | |
26 | #include <linux/kernel.h> | |
27 | #include <linux/errno.h> | |
1da177e4 LT |
28 | #include <linux/init.h> |
29 | #include <linux/list.h> | |
30 | #include <linux/proc_fs.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
e184d5fc | 32 | #include <linux/seq_file.h> |
1da177e4 LT |
33 | #include <linux/netdevice.h> |
34 | ||
35 | #include <asm/io.h> | |
36 | #include <asm/byteorder.h> | |
37 | #include <asm/system.h> | |
6cdee106 | 38 | #include <asm/unaligned.h> |
1da177e4 LT |
39 | |
40 | ||
15b2d2b5 | 41 | #undef VERBOSE_DEBUG |
1da177e4 LT |
42 | |
43 | #include "rndis.h" | |
44 | ||
45 | ||
46 | /* The driver for your USB chip needs to support ep0 OUT to work with | |
47 | * RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional). | |
48 | * | |
49 | * Windows hosts need an INF file like Documentation/usb/linux.inf | |
50 | * and will be happier if you provide the host_addr module parameter. | |
51 | */ | |
52 | ||
53 | #if 0 | |
1da177e4 | 54 | static int rndis_debug = 0; |
340600ab | 55 | module_param (rndis_debug, int, 0); |
1da177e4 | 56 | MODULE_PARM_DESC (rndis_debug, "enable debugging"); |
1da177e4 | 57 | #else |
1da177e4 | 58 | #define rndis_debug 0 |
1da177e4 LT |
59 | #endif |
60 | ||
61 | #define RNDIS_MAX_CONFIGS 1 | |
62 | ||
63 | ||
64 | static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS]; | |
65 | ||
66 | /* Driver Version */ | |
35c26c2c | 67 | static const __le32 rndis_driver_version = cpu_to_le32 (1); |
1da177e4 LT |
68 | |
69 | /* Function Prototypes */ | |
1da177e4 LT |
70 | static rndis_resp_t *rndis_add_response (int configNr, u32 length); |
71 | ||
72 | ||
340600ab | 73 | /* supported OIDs */ |
7e27f18c | 74 | static const u32 oid_supported_list [] = |
340600ab DB |
75 | { |
76 | /* the general stuff */ | |
77 | OID_GEN_SUPPORTED_LIST, | |
78 | OID_GEN_HARDWARE_STATUS, | |
79 | OID_GEN_MEDIA_SUPPORTED, | |
80 | OID_GEN_MEDIA_IN_USE, | |
81 | OID_GEN_MAXIMUM_FRAME_SIZE, | |
82 | OID_GEN_LINK_SPEED, | |
83 | OID_GEN_TRANSMIT_BLOCK_SIZE, | |
84 | OID_GEN_RECEIVE_BLOCK_SIZE, | |
85 | OID_GEN_VENDOR_ID, | |
86 | OID_GEN_VENDOR_DESCRIPTION, | |
87 | OID_GEN_VENDOR_DRIVER_VERSION, | |
88 | OID_GEN_CURRENT_PACKET_FILTER, | |
89 | OID_GEN_MAXIMUM_TOTAL_SIZE, | |
90 | OID_GEN_MEDIA_CONNECT_STATUS, | |
91 | OID_GEN_PHYSICAL_MEDIUM, | |
7e27f18c | 92 | |
340600ab DB |
93 | /* the statistical stuff */ |
94 | OID_GEN_XMIT_OK, | |
95 | OID_GEN_RCV_OK, | |
96 | OID_GEN_XMIT_ERROR, | |
97 | OID_GEN_RCV_ERROR, | |
98 | OID_GEN_RCV_NO_BUFFER, | |
99 | #ifdef RNDIS_OPTIONAL_STATS | |
100 | OID_GEN_DIRECTED_BYTES_XMIT, | |
101 | OID_GEN_DIRECTED_FRAMES_XMIT, | |
102 | OID_GEN_MULTICAST_BYTES_XMIT, | |
103 | OID_GEN_MULTICAST_FRAMES_XMIT, | |
104 | OID_GEN_BROADCAST_BYTES_XMIT, | |
105 | OID_GEN_BROADCAST_FRAMES_XMIT, | |
106 | OID_GEN_DIRECTED_BYTES_RCV, | |
107 | OID_GEN_DIRECTED_FRAMES_RCV, | |
108 | OID_GEN_MULTICAST_BYTES_RCV, | |
109 | OID_GEN_MULTICAST_FRAMES_RCV, | |
110 | OID_GEN_BROADCAST_BYTES_RCV, | |
111 | OID_GEN_BROADCAST_FRAMES_RCV, | |
112 | OID_GEN_RCV_CRC_ERROR, | |
113 | OID_GEN_TRANSMIT_QUEUE_LENGTH, | |
114 | #endif /* RNDIS_OPTIONAL_STATS */ | |
115 | ||
7e27f18c | 116 | /* mandatory 802.3 */ |
340600ab DB |
117 | /* the general stuff */ |
118 | OID_802_3_PERMANENT_ADDRESS, | |
119 | OID_802_3_CURRENT_ADDRESS, | |
120 | OID_802_3_MULTICAST_LIST, | |
121 | OID_802_3_MAC_OPTIONS, | |
122 | OID_802_3_MAXIMUM_LIST_SIZE, | |
7e27f18c | 123 | |
340600ab DB |
124 | /* the statistical stuff */ |
125 | OID_802_3_RCV_ERROR_ALIGNMENT, | |
126 | OID_802_3_XMIT_ONE_COLLISION, | |
127 | OID_802_3_XMIT_MORE_COLLISIONS, | |
128 | #ifdef RNDIS_OPTIONAL_STATS | |
129 | OID_802_3_XMIT_DEFERRED, | |
130 | OID_802_3_XMIT_MAX_COLLISIONS, | |
131 | OID_802_3_RCV_OVERRUN, | |
132 | OID_802_3_XMIT_UNDERRUN, | |
133 | OID_802_3_XMIT_HEARTBEAT_FAILURE, | |
134 | OID_802_3_XMIT_TIMES_CRS_LOST, | |
135 | OID_802_3_XMIT_LATE_COLLISIONS, | |
136 | #endif /* RNDIS_OPTIONAL_STATS */ | |
137 | ||
138 | #ifdef RNDIS_PM | |
15b2d2b5 DB |
139 | /* PM and wakeup are "mandatory" for USB, but the RNDIS specs |
140 | * don't say what they mean ... and the NDIS specs are often | |
141 | * confusing and/or ambiguous in this context. (That is, more | |
142 | * so than their specs for the other OIDs.) | |
143 | * | |
144 | * FIXME someone who knows what these should do, please | |
145 | * implement them! | |
146 | */ | |
340600ab DB |
147 | |
148 | /* power management */ | |
149 | OID_PNP_CAPABILITIES, | |
150 | OID_PNP_QUERY_POWER, | |
151 | OID_PNP_SET_POWER, | |
152 | ||
153 | #ifdef RNDIS_WAKEUP | |
154 | /* wake up host */ | |
155 | OID_PNP_ENABLE_WAKE_UP, | |
156 | OID_PNP_ADD_WAKE_UP_PATTERN, | |
157 | OID_PNP_REMOVE_WAKE_UP_PATTERN, | |
158 | #endif /* RNDIS_WAKEUP */ | |
159 | #endif /* RNDIS_PM */ | |
160 | }; | |
161 | ||
162 | ||
1da177e4 | 163 | /* NDIS Functions */ |
340600ab DB |
164 | static int |
165 | gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, | |
166 | rndis_resp_t *r) | |
1da177e4 | 167 | { |
7e27f18c DB |
168 | int retval = -ENOTSUPP; |
169 | u32 length = 4; /* usually */ | |
340600ab | 170 | __le32 *outbuf; |
1da177e4 LT |
171 | int i, count; |
172 | rndis_query_cmplt_type *resp; | |
15b2d2b5 | 173 | struct net_device *net; |
b5556498 | 174 | const struct net_device_stats *stats; |
1da177e4 LT |
175 | |
176 | if (!r) return -ENOMEM; | |
177 | resp = (rndis_query_cmplt_type *) r->buf; | |
178 | ||
179 | if (!resp) return -ENOMEM; | |
340600ab DB |
180 | |
181 | if (buf_len && rndis_debug > 1) { | |
33376c1c | 182 | pr_debug("query OID %08x value, len %d:\n", OID, buf_len); |
340600ab | 183 | for (i = 0; i < buf_len; i += 16) { |
33376c1c | 184 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
a5abdeaf HH |
185 | get_unaligned_le32(&buf[i]), |
186 | get_unaligned_le32(&buf[i + 4]), | |
187 | get_unaligned_le32(&buf[i + 8]), | |
188 | get_unaligned_le32(&buf[i + 12])); | |
340600ab DB |
189 | } |
190 | } | |
191 | ||
192 | /* response goes here, right after the header */ | |
193 | outbuf = (__le32 *) &resp[1]; | |
35c26c2c | 194 | resp->InformationBufferOffset = cpu_to_le32 (16); |
340600ab | 195 | |
15b2d2b5 | 196 | net = rndis_per_dev_params[configNr].dev; |
b5556498 | 197 | stats = dev_get_stats(net); |
15b2d2b5 | 198 | |
1da177e4 LT |
199 | switch (OID) { |
200 | ||
201 | /* general oids (table 4-1) */ | |
202 | ||
203 | /* mandatory */ | |
204 | case OID_GEN_SUPPORTED_LIST: | |
33376c1c | 205 | pr_debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__); |
1da177e4 LT |
206 | length = sizeof (oid_supported_list); |
207 | count = length / sizeof (u32); | |
1da177e4 | 208 | for (i = 0; i < count; i++) |
340600ab | 209 | outbuf[i] = cpu_to_le32 (oid_supported_list[i]); |
1da177e4 LT |
210 | retval = 0; |
211 | break; | |
7e27f18c | 212 | |
1da177e4 LT |
213 | /* mandatory */ |
214 | case OID_GEN_HARDWARE_STATUS: | |
33376c1c | 215 | pr_debug("%s: OID_GEN_HARDWARE_STATUS\n", __func__); |
7e27f18c | 216 | /* Bogus question! |
1da177e4 | 217 | * Hardware must be ready to receive high level protocols. |
7e27f18c | 218 | * BTW: |
1da177e4 LT |
219 | * reddite ergo quae sunt Caesaris Caesari |
220 | * et quae sunt Dei Deo! | |
221 | */ | |
35c26c2c | 222 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
223 | retval = 0; |
224 | break; | |
7e27f18c | 225 | |
1da177e4 LT |
226 | /* mandatory */ |
227 | case OID_GEN_MEDIA_SUPPORTED: | |
33376c1c | 228 | pr_debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__); |
340600ab | 229 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); |
1da177e4 LT |
230 | retval = 0; |
231 | break; | |
7e27f18c | 232 | |
1da177e4 LT |
233 | /* mandatory */ |
234 | case OID_GEN_MEDIA_IN_USE: | |
33376c1c | 235 | pr_debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__); |
1da177e4 | 236 | /* one medium, one transport... (maybe you do it better) */ |
340600ab | 237 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); |
1da177e4 LT |
238 | retval = 0; |
239 | break; | |
7e27f18c | 240 | |
1da177e4 LT |
241 | /* mandatory */ |
242 | case OID_GEN_MAXIMUM_FRAME_SIZE: | |
33376c1c | 243 | pr_debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); |
1da177e4 | 244 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 245 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
246 | rndis_per_dev_params [configNr].dev->mtu); |
247 | retval = 0; | |
1da177e4 LT |
248 | } |
249 | break; | |
7e27f18c | 250 | |
1da177e4 LT |
251 | /* mandatory */ |
252 | case OID_GEN_LINK_SPEED: | |
340600ab | 253 | if (rndis_debug > 1) |
33376c1c | 254 | pr_debug("%s: OID_GEN_LINK_SPEED\n", __func__); |
1da177e4 | 255 | if (rndis_per_dev_params [configNr].media_state |
340600ab | 256 | == NDIS_MEDIA_STATE_DISCONNECTED) |
35c26c2c | 257 | *outbuf = cpu_to_le32 (0); |
1da177e4 | 258 | else |
340600ab | 259 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
260 | rndis_per_dev_params [configNr].speed); |
261 | retval = 0; | |
262 | break; | |
263 | ||
264 | /* mandatory */ | |
265 | case OID_GEN_TRANSMIT_BLOCK_SIZE: | |
33376c1c | 266 | pr_debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); |
1da177e4 | 267 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 268 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
269 | rndis_per_dev_params [configNr].dev->mtu); |
270 | retval = 0; | |
271 | } | |
272 | break; | |
7e27f18c | 273 | |
1da177e4 LT |
274 | /* mandatory */ |
275 | case OID_GEN_RECEIVE_BLOCK_SIZE: | |
33376c1c | 276 | pr_debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); |
1da177e4 | 277 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 278 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
279 | rndis_per_dev_params [configNr].dev->mtu); |
280 | retval = 0; | |
281 | } | |
282 | break; | |
7e27f18c | 283 | |
1da177e4 LT |
284 | /* mandatory */ |
285 | case OID_GEN_VENDOR_ID: | |
33376c1c | 286 | pr_debug("%s: OID_GEN_VENDOR_ID\n", __func__); |
340600ab | 287 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
288 | rndis_per_dev_params [configNr].vendorID); |
289 | retval = 0; | |
290 | break; | |
7e27f18c | 291 | |
1da177e4 LT |
292 | /* mandatory */ |
293 | case OID_GEN_VENDOR_DESCRIPTION: | |
33376c1c | 294 | pr_debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__); |
1da177e4 | 295 | length = strlen (rndis_per_dev_params [configNr].vendorDescr); |
340600ab | 296 | memcpy (outbuf, |
1da177e4 LT |
297 | rndis_per_dev_params [configNr].vendorDescr, length); |
298 | retval = 0; | |
299 | break; | |
300 | ||
301 | case OID_GEN_VENDOR_DRIVER_VERSION: | |
33376c1c | 302 | pr_debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); |
1da177e4 | 303 | /* Created as LE */ |
340600ab | 304 | *outbuf = rndis_driver_version; |
1da177e4 LT |
305 | retval = 0; |
306 | break; | |
307 | ||
308 | /* mandatory */ | |
309 | case OID_GEN_CURRENT_PACKET_FILTER: | |
33376c1c | 310 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); |
340600ab | 311 | *outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter); |
1da177e4 LT |
312 | retval = 0; |
313 | break; | |
314 | ||
315 | /* mandatory */ | |
316 | case OID_GEN_MAXIMUM_TOTAL_SIZE: | |
33376c1c | 317 | pr_debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); |
35c26c2c | 318 | *outbuf = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); |
1da177e4 LT |
319 | retval = 0; |
320 | break; | |
321 | ||
322 | /* mandatory */ | |
323 | case OID_GEN_MEDIA_CONNECT_STATUS: | |
340600ab | 324 | if (rndis_debug > 1) |
33376c1c | 325 | pr_debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); |
340600ab | 326 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr] |
1da177e4 LT |
327 | .media_state); |
328 | retval = 0; | |
329 | break; | |
330 | ||
331 | case OID_GEN_PHYSICAL_MEDIUM: | |
33376c1c | 332 | pr_debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); |
35c26c2c | 333 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
334 | retval = 0; |
335 | break; | |
336 | ||
337 | /* The RNDIS specification is incomplete/wrong. Some versions | |
338 | * of MS-Windows expect OIDs that aren't specified there. Other | |
339 | * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! | |
340 | */ | |
341 | case OID_GEN_MAC_OPTIONS: /* from WinME */ | |
33376c1c | 342 | pr_debug("%s: OID_GEN_MAC_OPTIONS\n", __func__); |
35c26c2c | 343 | *outbuf = cpu_to_le32( |
1da177e4 LT |
344 | NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
345 | | NDIS_MAC_OPTION_FULL_DUPLEX); | |
346 | retval = 0; | |
347 | break; | |
348 | ||
349 | /* statistics OIDs (table 4-2) */ | |
350 | ||
351 | /* mandatory */ | |
352 | case OID_GEN_XMIT_OK: | |
340600ab | 353 | if (rndis_debug > 1) |
33376c1c | 354 | pr_debug("%s: OID_GEN_XMIT_OK\n", __func__); |
15b2d2b5 DB |
355 | if (stats) { |
356 | *outbuf = cpu_to_le32(stats->tx_packets | |
357 | - stats->tx_errors - stats->tx_dropped); | |
1da177e4 | 358 | retval = 0; |
1da177e4 LT |
359 | } |
360 | break; | |
361 | ||
362 | /* mandatory */ | |
363 | case OID_GEN_RCV_OK: | |
340600ab | 364 | if (rndis_debug > 1) |
33376c1c | 365 | pr_debug("%s: OID_GEN_RCV_OK\n", __func__); |
15b2d2b5 DB |
366 | if (stats) { |
367 | *outbuf = cpu_to_le32(stats->rx_packets | |
368 | - stats->rx_errors - stats->rx_dropped); | |
1da177e4 | 369 | retval = 0; |
1da177e4 LT |
370 | } |
371 | break; | |
7e27f18c | 372 | |
1da177e4 LT |
373 | /* mandatory */ |
374 | case OID_GEN_XMIT_ERROR: | |
340600ab | 375 | if (rndis_debug > 1) |
33376c1c | 376 | pr_debug("%s: OID_GEN_XMIT_ERROR\n", __func__); |
15b2d2b5 DB |
377 | if (stats) { |
378 | *outbuf = cpu_to_le32(stats->tx_errors); | |
1da177e4 | 379 | retval = 0; |
1da177e4 LT |
380 | } |
381 | break; | |
7e27f18c | 382 | |
1da177e4 LT |
383 | /* mandatory */ |
384 | case OID_GEN_RCV_ERROR: | |
340600ab | 385 | if (rndis_debug > 1) |
33376c1c | 386 | pr_debug("%s: OID_GEN_RCV_ERROR\n", __func__); |
15b2d2b5 DB |
387 | if (stats) { |
388 | *outbuf = cpu_to_le32(stats->rx_errors); | |
1da177e4 | 389 | retval = 0; |
1da177e4 LT |
390 | } |
391 | break; | |
7e27f18c | 392 | |
1da177e4 LT |
393 | /* mandatory */ |
394 | case OID_GEN_RCV_NO_BUFFER: | |
33376c1c | 395 | pr_debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); |
15b2d2b5 DB |
396 | if (stats) { |
397 | *outbuf = cpu_to_le32(stats->rx_dropped); | |
1da177e4 | 398 | retval = 0; |
1da177e4 LT |
399 | } |
400 | break; | |
7e27f18c | 401 | |
1da177e4 LT |
402 | /* ieee802.3 OIDs (table 4-3) */ |
403 | ||
404 | /* mandatory */ | |
405 | case OID_802_3_PERMANENT_ADDRESS: | |
33376c1c | 406 | pr_debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__); |
1da177e4 LT |
407 | if (rndis_per_dev_params [configNr].dev) { |
408 | length = ETH_ALEN; | |
340600ab | 409 | memcpy (outbuf, |
1da177e4 LT |
410 | rndis_per_dev_params [configNr].host_mac, |
411 | length); | |
412 | retval = 0; | |
1da177e4 LT |
413 | } |
414 | break; | |
7e27f18c | 415 | |
1da177e4 LT |
416 | /* mandatory */ |
417 | case OID_802_3_CURRENT_ADDRESS: | |
33376c1c | 418 | pr_debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); |
1da177e4 LT |
419 | if (rndis_per_dev_params [configNr].dev) { |
420 | length = ETH_ALEN; | |
340600ab | 421 | memcpy (outbuf, |
1da177e4 LT |
422 | rndis_per_dev_params [configNr].host_mac, |
423 | length); | |
424 | retval = 0; | |
425 | } | |
426 | break; | |
7e27f18c | 427 | |
1da177e4 LT |
428 | /* mandatory */ |
429 | case OID_802_3_MULTICAST_LIST: | |
33376c1c | 430 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 | 431 | /* Multicast base address only */ |
35c26c2c | 432 | *outbuf = cpu_to_le32 (0xE0000000); |
1da177e4 LT |
433 | retval = 0; |
434 | break; | |
7e27f18c | 435 | |
1da177e4 LT |
436 | /* mandatory */ |
437 | case OID_802_3_MAXIMUM_LIST_SIZE: | |
33376c1c | 438 | pr_debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); |
1da177e4 | 439 | /* Multicast base address only */ |
35c26c2c | 440 | *outbuf = cpu_to_le32 (1); |
1da177e4 LT |
441 | retval = 0; |
442 | break; | |
7e27f18c | 443 | |
1da177e4 | 444 | case OID_802_3_MAC_OPTIONS: |
33376c1c | 445 | pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); |
6bc2146e QC |
446 | *outbuf = cpu_to_le32(0); |
447 | retval = 0; | |
1da177e4 LT |
448 | break; |
449 | ||
450 | /* ieee802.3 statistics OIDs (table 4-4) */ | |
451 | ||
452 | /* mandatory */ | |
453 | case OID_802_3_RCV_ERROR_ALIGNMENT: | |
33376c1c | 454 | pr_debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); |
15b2d2b5 DB |
455 | if (stats) { |
456 | *outbuf = cpu_to_le32(stats->rx_frame_errors); | |
1da177e4 LT |
457 | retval = 0; |
458 | } | |
459 | break; | |
7e27f18c | 460 | |
1da177e4 LT |
461 | /* mandatory */ |
462 | case OID_802_3_XMIT_ONE_COLLISION: | |
33376c1c | 463 | pr_debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); |
35c26c2c | 464 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
465 | retval = 0; |
466 | break; | |
7e27f18c | 467 | |
1da177e4 LT |
468 | /* mandatory */ |
469 | case OID_802_3_XMIT_MORE_COLLISIONS: | |
33376c1c | 470 | pr_debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); |
35c26c2c | 471 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
472 | retval = 0; |
473 | break; | |
7e27f18c | 474 | |
1da177e4 | 475 | default: |
00274921 | 476 | pr_warning("%s: query unknown OID 0x%08X\n", |
441b62c1 | 477 | __func__, OID); |
1da177e4 | 478 | } |
340600ab DB |
479 | if (retval < 0) |
480 | length = 0; | |
7e27f18c | 481 | |
1da177e4 | 482 | resp->InformationBufferLength = cpu_to_le32 (length); |
340600ab DB |
483 | r->length = length + sizeof *resp; |
484 | resp->MessageLength = cpu_to_le32 (r->length); | |
1da177e4 LT |
485 | return retval; |
486 | } | |
487 | ||
7e27f18c DB |
488 | static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, |
489 | rndis_resp_t *r) | |
1da177e4 LT |
490 | { |
491 | rndis_set_cmplt_type *resp; | |
7e27f18c | 492 | int i, retval = -ENOTSUPP; |
1da177e4 LT |
493 | struct rndis_params *params; |
494 | ||
495 | if (!r) | |
496 | return -ENOMEM; | |
497 | resp = (rndis_set_cmplt_type *) r->buf; | |
498 | if (!resp) | |
499 | return -ENOMEM; | |
500 | ||
340600ab | 501 | if (buf_len && rndis_debug > 1) { |
33376c1c | 502 | pr_debug("set OID %08x value, len %d:\n", OID, buf_len); |
340600ab | 503 | for (i = 0; i < buf_len; i += 16) { |
33376c1c | 504 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
a5abdeaf HH |
505 | get_unaligned_le32(&buf[i]), |
506 | get_unaligned_le32(&buf[i + 4]), | |
507 | get_unaligned_le32(&buf[i + 8]), | |
508 | get_unaligned_le32(&buf[i + 12])); | |
340600ab | 509 | } |
1da177e4 LT |
510 | } |
511 | ||
340600ab | 512 | params = &rndis_per_dev_params [configNr]; |
1da177e4 LT |
513 | switch (OID) { |
514 | case OID_GEN_CURRENT_PACKET_FILTER: | |
1da177e4 | 515 | |
340600ab DB |
516 | /* these NDIS_PACKET_TYPE_* bitflags are shared with |
517 | * cdc_filter; it's not RNDIS-specific | |
1da177e4 LT |
518 | * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in: |
519 | * PROMISCUOUS, DIRECTED, | |
520 | * MULTICAST, ALL_MULTICAST, BROADCAST | |
521 | */ | |
a5abdeaf | 522 | *params->filter = (u16)get_unaligned_le32(buf); |
33376c1c | 523 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", |
441b62c1 | 524 | __func__, *params->filter); |
1da177e4 LT |
525 | |
526 | /* this call has a significant side effect: it's | |
527 | * what makes the packet flow start and stop, like | |
528 | * activating the CDC Ethernet altsetting. | |
529 | */ | |
340600ab DB |
530 | retval = 0; |
531 | if (*params->filter) { | |
1da177e4 LT |
532 | params->state = RNDIS_DATA_INITIALIZED; |
533 | netif_carrier_on(params->dev); | |
534 | if (netif_running(params->dev)) | |
535 | netif_wake_queue (params->dev); | |
536 | } else { | |
537 | params->state = RNDIS_INITIALIZED; | |
538 | netif_carrier_off (params->dev); | |
539 | netif_stop_queue (params->dev); | |
540 | } | |
541 | break; | |
7e27f18c | 542 | |
1da177e4 | 543 | case OID_802_3_MULTICAST_LIST: |
7e27f18c | 544 | /* I think we can ignore this */ |
33376c1c | 545 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 LT |
546 | retval = 0; |
547 | break; | |
340600ab | 548 | |
1da177e4 | 549 | default: |
00274921 | 550 | pr_warning("%s: set unknown OID 0x%08X, size %d\n", |
441b62c1 | 551 | __func__, OID, buf_len); |
1da177e4 | 552 | } |
7e27f18c | 553 | |
1da177e4 LT |
554 | return retval; |
555 | } | |
556 | ||
7e27f18c DB |
557 | /* |
558 | * Response Functions | |
1da177e4 LT |
559 | */ |
560 | ||
561 | static int rndis_init_response (int configNr, rndis_init_msg_type *buf) | |
562 | { | |
7e27f18c | 563 | rndis_init_cmplt_type *resp; |
1da177e4 | 564 | rndis_resp_t *r; |
15b2d2b5 | 565 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 566 | |
15b2d2b5 DB |
567 | if (!params->dev) |
568 | return -ENOTSUPP; | |
7e27f18c | 569 | |
1da177e4 | 570 | r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type)); |
340600ab DB |
571 | if (!r) |
572 | return -ENOMEM; | |
1da177e4 | 573 | resp = (rndis_init_cmplt_type *) r->buf; |
7e27f18c | 574 | |
35c26c2c | 575 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 576 | REMOTE_NDIS_INITIALIZE_CMPLT); |
35c26c2c | 577 | resp->MessageLength = cpu_to_le32 (52); |
1da177e4 | 578 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
35c26c2c HH |
579 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
580 | resp->MajorVersion = cpu_to_le32 (RNDIS_MAJOR_VERSION); | |
581 | resp->MinorVersion = cpu_to_le32 (RNDIS_MINOR_VERSION); | |
582 | resp->DeviceFlags = cpu_to_le32 (RNDIS_DF_CONNECTIONLESS); | |
583 | resp->Medium = cpu_to_le32 (RNDIS_MEDIUM_802_3); | |
584 | resp->MaxPacketsPerTransfer = cpu_to_le32 (1); | |
1da177e4 | 585 | resp->MaxTransferSize = cpu_to_le32 ( |
15b2d2b5 | 586 | params->dev->mtu |
1da177e4 LT |
587 | + sizeof (struct ethhdr) |
588 | + sizeof (struct rndis_packet_msg_type) | |
589 | + 22); | |
35c26c2c HH |
590 | resp->PacketAlignmentFactor = cpu_to_le32 (0); |
591 | resp->AFListOffset = cpu_to_le32 (0); | |
592 | resp->AFListSize = cpu_to_le32 (0); | |
7e27f18c | 593 | |
15b2d2b5 | 594 | params->resp_avail(params->v); |
1da177e4 LT |
595 | return 0; |
596 | } | |
597 | ||
598 | static int rndis_query_response (int configNr, rndis_query_msg_type *buf) | |
599 | { | |
600 | rndis_query_cmplt_type *resp; | |
601 | rndis_resp_t *r; | |
15b2d2b5 | 602 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 603 | |
33376c1c | 604 | /* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */ |
15b2d2b5 DB |
605 | if (!params->dev) |
606 | return -ENOTSUPP; | |
7e27f18c | 607 | |
8763716b ST |
608 | /* |
609 | * we need more memory: | |
610 | * gen_ndis_query_resp expects enough space for | |
611 | * rndis_query_cmplt_type followed by data. | |
612 | * oid_supported_list is the largest data reply | |
1da177e4 | 613 | */ |
8763716b ST |
614 | r = rndis_add_response (configNr, |
615 | sizeof (oid_supported_list) + sizeof(rndis_query_cmplt_type)); | |
340600ab DB |
616 | if (!r) |
617 | return -ENOMEM; | |
1da177e4 | 618 | resp = (rndis_query_cmplt_type *) r->buf; |
7e27f18c | 619 | |
35c26c2c | 620 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT); |
1da177e4 | 621 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
7e27f18c | 622 | |
340600ab DB |
623 | if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID), |
624 | le32_to_cpu(buf->InformationBufferOffset) | |
625 | + 8 + (u8 *) buf, | |
626 | le32_to_cpu(buf->InformationBufferLength), | |
627 | r)) { | |
1da177e4 | 628 | /* OID not supported */ |
35c26c2c | 629 | resp->Status = cpu_to_le32 ( |
1da177e4 | 630 | RNDIS_STATUS_NOT_SUPPORTED); |
35c26c2c HH |
631 | resp->MessageLength = cpu_to_le32 (sizeof *resp); |
632 | resp->InformationBufferLength = cpu_to_le32 (0); | |
633 | resp->InformationBufferOffset = cpu_to_le32 (0); | |
1da177e4 | 634 | } else |
35c26c2c | 635 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 636 | |
15b2d2b5 | 637 | params->resp_avail(params->v); |
1da177e4 LT |
638 | return 0; |
639 | } | |
640 | ||
641 | static int rndis_set_response (int configNr, rndis_set_msg_type *buf) | |
642 | { | |
643 | u32 BufLength, BufOffset; | |
644 | rndis_set_cmplt_type *resp; | |
645 | rndis_resp_t *r; | |
15b2d2b5 | 646 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 647 | |
1da177e4 | 648 | r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type)); |
340600ab DB |
649 | if (!r) |
650 | return -ENOMEM; | |
1da177e4 | 651 | resp = (rndis_set_cmplt_type *) r->buf; |
1da177e4 LT |
652 | |
653 | BufLength = le32_to_cpu (buf->InformationBufferLength); | |
654 | BufOffset = le32_to_cpu (buf->InformationBufferOffset); | |
655 | ||
15b2d2b5 | 656 | #ifdef VERBOSE_DEBUG |
33376c1c DB |
657 | pr_debug("%s: Length: %d\n", __func__, BufLength); |
658 | pr_debug("%s: Offset: %d\n", __func__, BufOffset); | |
659 | pr_debug("%s: InfoBuffer: ", __func__); | |
7e27f18c | 660 | |
1da177e4 | 661 | for (i = 0; i < BufLength; i++) { |
33376c1c | 662 | pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); |
1da177e4 | 663 | } |
7e27f18c | 664 | |
33376c1c | 665 | pr_debug("\n"); |
1da177e4 | 666 | #endif |
7e27f18c | 667 | |
35c26c2c HH |
668 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_SET_CMPLT); |
669 | resp->MessageLength = cpu_to_le32 (16); | |
1da177e4 | 670 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
7e27f18c DB |
671 | if (gen_ndis_set_resp (configNr, le32_to_cpu (buf->OID), |
672 | ((u8 *) buf) + 8 + BufOffset, BufLength, r)) | |
35c26c2c | 673 | resp->Status = cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED); |
7e27f18c | 674 | else |
35c26c2c | 675 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 676 | |
15b2d2b5 | 677 | params->resp_avail(params->v); |
1da177e4 LT |
678 | return 0; |
679 | } | |
680 | ||
681 | static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf) | |
682 | { | |
683 | rndis_reset_cmplt_type *resp; | |
684 | rndis_resp_t *r; | |
15b2d2b5 | 685 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 686 | |
1da177e4 | 687 | r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type)); |
340600ab DB |
688 | if (!r) |
689 | return -ENOMEM; | |
1da177e4 | 690 | resp = (rndis_reset_cmplt_type *) r->buf; |
7e27f18c | 691 | |
35c26c2c HH |
692 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT); |
693 | resp->MessageLength = cpu_to_le32 (16); | |
694 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); | |
1da177e4 | 695 | /* resent information */ |
35c26c2c | 696 | resp->AddressingReset = cpu_to_le32 (1); |
7e27f18c | 697 | |
15b2d2b5 | 698 | params->resp_avail(params->v); |
1da177e4 LT |
699 | return 0; |
700 | } | |
701 | ||
702 | static int rndis_keepalive_response (int configNr, | |
7e27f18c | 703 | rndis_keepalive_msg_type *buf) |
1da177e4 LT |
704 | { |
705 | rndis_keepalive_cmplt_type *resp; | |
706 | rndis_resp_t *r; | |
15b2d2b5 | 707 | struct rndis_params *params = rndis_per_dev_params + configNr; |
1da177e4 LT |
708 | |
709 | /* host "should" check only in RNDIS_DATA_INITIALIZED state */ | |
710 | ||
711 | r = rndis_add_response (configNr, sizeof (rndis_keepalive_cmplt_type)); | |
340600ab DB |
712 | if (!r) |
713 | return -ENOMEM; | |
1da177e4 | 714 | resp = (rndis_keepalive_cmplt_type *) r->buf; |
7e27f18c | 715 | |
35c26c2c | 716 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 717 | REMOTE_NDIS_KEEPALIVE_CMPLT); |
35c26c2c | 718 | resp->MessageLength = cpu_to_le32 (16); |
1da177e4 | 719 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
35c26c2c | 720 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 721 | |
15b2d2b5 | 722 | params->resp_avail(params->v); |
1da177e4 LT |
723 | return 0; |
724 | } | |
725 | ||
726 | ||
7e27f18c DB |
727 | /* |
728 | * Device to Host Comunication | |
1da177e4 LT |
729 | */ |
730 | static int rndis_indicate_status_msg (int configNr, u32 status) | |
731 | { | |
7e27f18c | 732 | rndis_indicate_status_msg_type *resp; |
1da177e4 | 733 | rndis_resp_t *r; |
15b2d2b5 | 734 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 735 | |
15b2d2b5 | 736 | if (params->state == RNDIS_UNINITIALIZED) |
7e27f18c DB |
737 | return -ENOTSUPP; |
738 | ||
739 | r = rndis_add_response (configNr, | |
1da177e4 | 740 | sizeof (rndis_indicate_status_msg_type)); |
340600ab DB |
741 | if (!r) |
742 | return -ENOMEM; | |
1da177e4 | 743 | resp = (rndis_indicate_status_msg_type *) r->buf; |
7e27f18c | 744 | |
35c26c2c | 745 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 746 | REMOTE_NDIS_INDICATE_STATUS_MSG); |
35c26c2c | 747 | resp->MessageLength = cpu_to_le32 (20); |
1da177e4 | 748 | resp->Status = cpu_to_le32 (status); |
35c26c2c HH |
749 | resp->StatusBufferLength = cpu_to_le32 (0); |
750 | resp->StatusBufferOffset = cpu_to_le32 (0); | |
7e27f18c | 751 | |
15b2d2b5 | 752 | params->resp_avail(params->v); |
1da177e4 LT |
753 | return 0; |
754 | } | |
755 | ||
756 | int rndis_signal_connect (int configNr) | |
757 | { | |
758 | rndis_per_dev_params [configNr].media_state | |
759 | = NDIS_MEDIA_STATE_CONNECTED; | |
7e27f18c | 760 | return rndis_indicate_status_msg (configNr, |
1da177e4 LT |
761 | RNDIS_STATUS_MEDIA_CONNECT); |
762 | } | |
763 | ||
764 | int rndis_signal_disconnect (int configNr) | |
765 | { | |
766 | rndis_per_dev_params [configNr].media_state | |
767 | = NDIS_MEDIA_STATE_DISCONNECTED; | |
768 | return rndis_indicate_status_msg (configNr, | |
769 | RNDIS_STATUS_MEDIA_DISCONNECT); | |
770 | } | |
771 | ||
340600ab DB |
772 | void rndis_uninit (int configNr) |
773 | { | |
486e2df6 DB |
774 | u8 *buf; |
775 | u32 length; | |
776 | ||
340600ab DB |
777 | if (configNr >= RNDIS_MAX_CONFIGS) |
778 | return; | |
340600ab | 779 | rndis_per_dev_params [configNr].state = RNDIS_UNINITIALIZED; |
486e2df6 DB |
780 | |
781 | /* drain the response queue */ | |
782 | while ((buf = rndis_get_next_response(configNr, &length))) | |
783 | rndis_free_response(configNr, buf); | |
340600ab DB |
784 | } |
785 | ||
1da177e4 LT |
786 | void rndis_set_host_mac (int configNr, const u8 *addr) |
787 | { | |
788 | rndis_per_dev_params [configNr].host_mac = addr; | |
789 | } | |
790 | ||
7e27f18c DB |
791 | /* |
792 | * Message Parser | |
1da177e4 LT |
793 | */ |
794 | int rndis_msg_parser (u8 configNr, u8 *buf) | |
795 | { | |
796 | u32 MsgType, MsgLength; | |
797 | __le32 *tmp; | |
798 | struct rndis_params *params; | |
7e27f18c | 799 | |
1da177e4 LT |
800 | if (!buf) |
801 | return -ENOMEM; | |
7e27f18c DB |
802 | |
803 | tmp = (__le32 *) buf; | |
a5abdeaf HH |
804 | MsgType = get_unaligned_le32(tmp++); |
805 | MsgLength = get_unaligned_le32(tmp++); | |
7e27f18c | 806 | |
1da177e4 LT |
807 | if (configNr >= RNDIS_MAX_CONFIGS) |
808 | return -ENOTSUPP; | |
809 | params = &rndis_per_dev_params [configNr]; | |
7e27f18c | 810 | |
340600ab DB |
811 | /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for |
812 | * rx/tx statistics and link status, in addition to KEEPALIVE traffic | |
813 | * and normal HC level polling to see if there's any IN traffic. | |
814 | */ | |
815 | ||
1da177e4 | 816 | /* For USB: responses may take up to 10 seconds */ |
340600ab | 817 | switch (MsgType) { |
1da177e4 | 818 | case REMOTE_NDIS_INITIALIZE_MSG: |
33376c1c | 819 | pr_debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", |
441b62c1 | 820 | __func__ ); |
1da177e4 LT |
821 | params->state = RNDIS_INITIALIZED; |
822 | return rndis_init_response (configNr, | |
7e27f18c DB |
823 | (rndis_init_msg_type *) buf); |
824 | ||
1da177e4 | 825 | case REMOTE_NDIS_HALT_MSG: |
33376c1c | 826 | pr_debug("%s: REMOTE_NDIS_HALT_MSG\n", |
441b62c1 | 827 | __func__ ); |
1da177e4 LT |
828 | params->state = RNDIS_UNINITIALIZED; |
829 | if (params->dev) { | |
830 | netif_carrier_off (params->dev); | |
831 | netif_stop_queue (params->dev); | |
832 | } | |
833 | return 0; | |
7e27f18c | 834 | |
1da177e4 | 835 | case REMOTE_NDIS_QUERY_MSG: |
7e27f18c DB |
836 | return rndis_query_response (configNr, |
837 | (rndis_query_msg_type *) buf); | |
838 | ||
1da177e4 | 839 | case REMOTE_NDIS_SET_MSG: |
7e27f18c DB |
840 | return rndis_set_response (configNr, |
841 | (rndis_set_msg_type *) buf); | |
842 | ||
1da177e4 | 843 | case REMOTE_NDIS_RESET_MSG: |
33376c1c | 844 | pr_debug("%s: REMOTE_NDIS_RESET_MSG\n", |
441b62c1 | 845 | __func__ ); |
1da177e4 | 846 | return rndis_reset_response (configNr, |
7e27f18c | 847 | (rndis_reset_msg_type *) buf); |
1da177e4 LT |
848 | |
849 | case REMOTE_NDIS_KEEPALIVE_MSG: | |
850 | /* For USB: host does this every 5 seconds */ | |
340600ab | 851 | if (rndis_debug > 1) |
33376c1c | 852 | pr_debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", |
441b62c1 | 853 | __func__ ); |
1da177e4 | 854 | return rndis_keepalive_response (configNr, |
7e27f18c | 855 | (rndis_keepalive_msg_type *) |
1da177e4 | 856 | buf); |
7e27f18c DB |
857 | |
858 | default: | |
1da177e4 LT |
859 | /* At least Windows XP emits some undefined RNDIS messages. |
860 | * In one case those messages seemed to relate to the host | |
861 | * suspending itself. | |
862 | */ | |
00274921 | 863 | pr_warning("%s: unknown RNDIS message 0x%08X len %d\n", |
441b62c1 | 864 | __func__ , MsgType, MsgLength); |
1da177e4 LT |
865 | { |
866 | unsigned i; | |
867 | for (i = 0; i < MsgLength; i += 16) { | |
33376c1c | 868 | pr_debug("%03d: " |
1da177e4 LT |
869 | " %02x %02x %02x %02x" |
870 | " %02x %02x %02x %02x" | |
871 | " %02x %02x %02x %02x" | |
872 | " %02x %02x %02x %02x" | |
873 | "\n", | |
874 | i, | |
875 | buf[i], buf [i+1], | |
876 | buf[i+2], buf[i+3], | |
877 | buf[i+4], buf [i+5], | |
878 | buf[i+6], buf[i+7], | |
879 | buf[i+8], buf [i+9], | |
880 | buf[i+10], buf[i+11], | |
881 | buf[i+12], buf [i+13], | |
882 | buf[i+14], buf[i+15]); | |
883 | } | |
884 | } | |
885 | break; | |
886 | } | |
7e27f18c | 887 | |
1da177e4 LT |
888 | return -ENOTSUPP; |
889 | } | |
890 | ||
15b2d2b5 | 891 | int rndis_register(void (*resp_avail)(void *v), void *v) |
1da177e4 LT |
892 | { |
893 | u8 i; | |
7e27f18c | 894 | |
15b2d2b5 DB |
895 | if (!resp_avail) |
896 | return -EINVAL; | |
897 | ||
1da177e4 LT |
898 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
899 | if (!rndis_per_dev_params [i].used) { | |
900 | rndis_per_dev_params [i].used = 1; | |
15b2d2b5 DB |
901 | rndis_per_dev_params [i].resp_avail = resp_avail; |
902 | rndis_per_dev_params [i].v = v; | |
33376c1c | 903 | pr_debug("%s: configNr = %d\n", __func__, i); |
1da177e4 LT |
904 | return i; |
905 | } | |
906 | } | |
33376c1c | 907 | pr_debug("failed\n"); |
7e27f18c | 908 | |
15b2d2b5 | 909 | return -ENODEV; |
1da177e4 LT |
910 | } |
911 | ||
912 | void rndis_deregister (int configNr) | |
913 | { | |
33376c1c | 914 | pr_debug("%s: \n", __func__); |
7e27f18c | 915 | |
1da177e4 LT |
916 | if (configNr >= RNDIS_MAX_CONFIGS) return; |
917 | rndis_per_dev_params [configNr].used = 0; | |
7e27f18c | 918 | |
1da177e4 LT |
919 | return; |
920 | } | |
921 | ||
15b2d2b5 | 922 | int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) |
1da177e4 | 923 | { |
33376c1c | 924 | pr_debug("%s:\n", __func__); |
15b2d2b5 DB |
925 | if (!dev) |
926 | return -EINVAL; | |
1da177e4 | 927 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 928 | |
1da177e4 | 929 | rndis_per_dev_params [configNr].dev = dev; |
340600ab | 930 | rndis_per_dev_params [configNr].filter = cdc_filter; |
7e27f18c | 931 | |
1da177e4 LT |
932 | return 0; |
933 | } | |
934 | ||
935 | int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr) | |
936 | { | |
33376c1c | 937 | pr_debug("%s:\n", __func__); |
1da177e4 LT |
938 | if (!vendorDescr) return -1; |
939 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; | |
7e27f18c | 940 | |
1da177e4 LT |
941 | rndis_per_dev_params [configNr].vendorID = vendorID; |
942 | rndis_per_dev_params [configNr].vendorDescr = vendorDescr; | |
7e27f18c | 943 | |
1da177e4 LT |
944 | return 0; |
945 | } | |
946 | ||
947 | int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed) | |
948 | { | |
33376c1c | 949 | pr_debug("%s: %u %u\n", __func__, medium, speed); |
1da177e4 | 950 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 951 | |
1da177e4 LT |
952 | rndis_per_dev_params [configNr].medium = medium; |
953 | rndis_per_dev_params [configNr].speed = speed; | |
7e27f18c | 954 | |
1da177e4 LT |
955 | return 0; |
956 | } | |
957 | ||
958 | void rndis_add_hdr (struct sk_buff *skb) | |
959 | { | |
960 | struct rndis_packet_msg_type *header; | |
961 | ||
962 | if (!skb) | |
963 | return; | |
964 | header = (void *) skb_push (skb, sizeof *header); | |
965 | memset (header, 0, sizeof *header); | |
35c26c2c | 966 | header->MessageType = cpu_to_le32(REMOTE_NDIS_PACKET_MSG); |
1da177e4 | 967 | header->MessageLength = cpu_to_le32(skb->len); |
35c26c2c | 968 | header->DataOffset = cpu_to_le32 (36); |
6cdee106 | 969 | header->DataLength = cpu_to_le32(skb->len - sizeof *header); |
1da177e4 LT |
970 | } |
971 | ||
972 | void rndis_free_response (int configNr, u8 *buf) | |
973 | { | |
974 | rndis_resp_t *r; | |
975 | struct list_head *act, *tmp; | |
7e27f18c DB |
976 | |
977 | list_for_each_safe (act, tmp, | |
978 | &(rndis_per_dev_params [configNr].resp_queue)) | |
1da177e4 LT |
979 | { |
980 | r = list_entry (act, rndis_resp_t, list); | |
981 | if (r && r->buf == buf) { | |
982 | list_del (&r->list); | |
983 | kfree (r); | |
984 | } | |
985 | } | |
986 | } | |
987 | ||
988 | u8 *rndis_get_next_response (int configNr, u32 *length) | |
989 | { | |
990 | rndis_resp_t *r; | |
7e27f18c DB |
991 | struct list_head *act, *tmp; |
992 | ||
1da177e4 | 993 | if (!length) return NULL; |
7e27f18c DB |
994 | |
995 | list_for_each_safe (act, tmp, | |
996 | &(rndis_per_dev_params [configNr].resp_queue)) | |
1da177e4 LT |
997 | { |
998 | r = list_entry (act, rndis_resp_t, list); | |
999 | if (!r->send) { | |
1000 | r->send = 1; | |
1001 | *length = r->length; | |
1002 | return r->buf; | |
1003 | } | |
1004 | } | |
7e27f18c | 1005 | |
1da177e4 LT |
1006 | return NULL; |
1007 | } | |
1008 | ||
1009 | static rndis_resp_t *rndis_add_response (int configNr, u32 length) | |
1010 | { | |
1011 | rndis_resp_t *r; | |
7e27f18c | 1012 | |
340600ab | 1013 | /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ |
1da177e4 LT |
1014 | r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC); |
1015 | if (!r) return NULL; | |
7e27f18c | 1016 | |
1da177e4 LT |
1017 | r->buf = (u8 *) (r + 1); |
1018 | r->length = length; | |
1019 | r->send = 0; | |
7e27f18c DB |
1020 | |
1021 | list_add_tail (&r->list, | |
1022 | &(rndis_per_dev_params [configNr].resp_queue)); | |
1da177e4 LT |
1023 | return r; |
1024 | } | |
1025 | ||
9b39e9dd BN |
1026 | int rndis_rm_hdr(struct gether *port, |
1027 | struct sk_buff *skb, | |
1028 | struct sk_buff_head *list) | |
1da177e4 | 1029 | { |
6cdee106 DB |
1030 | /* tmp points to a struct rndis_packet_msg_type */ |
1031 | __le32 *tmp = (void *) skb->data; | |
1da177e4 | 1032 | |
6cdee106 | 1033 | /* MessageType, MessageLength */ |
35c26c2c | 1034 | if (cpu_to_le32(REMOTE_NDIS_PACKET_MSG) |
9b39e9dd BN |
1035 | != get_unaligned(tmp++)) { |
1036 | dev_kfree_skb_any(skb); | |
6cdee106 | 1037 | return -EINVAL; |
9b39e9dd | 1038 | } |
6cdee106 DB |
1039 | tmp++; |
1040 | ||
1041 | /* DataOffset, DataLength */ | |
9b39e9dd BN |
1042 | if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) { |
1043 | dev_kfree_skb_any(skb); | |
6cdee106 | 1044 | return -EOVERFLOW; |
9b39e9dd | 1045 | } |
a5abdeaf | 1046 | skb_trim(skb, get_unaligned_le32(tmp++)); |
1da177e4 | 1047 | |
9b39e9dd | 1048 | skb_queue_tail(list, skb); |
1da177e4 LT |
1049 | return 0; |
1050 | } | |
1051 | ||
1052 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1053 | ||
e184d5fc | 1054 | static int rndis_proc_show(struct seq_file *m, void *v) |
1da177e4 | 1055 | { |
e184d5fc | 1056 | rndis_params *param = m->private; |
7e27f18c | 1057 | |
e184d5fc | 1058 | seq_printf(m, |
1da177e4 LT |
1059 | "Config Nr. %d\n" |
1060 | "used : %s\n" | |
1061 | "state : %s\n" | |
1062 | "medium : 0x%08X\n" | |
1063 | "speed : %d\n" | |
1064 | "cable : %s\n" | |
1065 | "vendor ID : 0x%08X\n" | |
7e27f18c DB |
1066 | "vendor : %s\n", |
1067 | param->confignr, (param->used) ? "y" : "n", | |
1da177e4 LT |
1068 | ({ char *s = "?"; |
1069 | switch (param->state) { | |
1070 | case RNDIS_UNINITIALIZED: | |
1071 | s = "RNDIS_UNINITIALIZED"; break; | |
1072 | case RNDIS_INITIALIZED: | |
1073 | s = "RNDIS_INITIALIZED"; break; | |
1074 | case RNDIS_DATA_INITIALIZED: | |
1075 | s = "RNDIS_DATA_INITIALIZED"; break; | |
1076 | }; s; }), | |
7e27f18c DB |
1077 | param->medium, |
1078 | (param->media_state) ? 0 : param->speed*100, | |
1da177e4 | 1079 | (param->media_state) ? "disconnected" : "connected", |
7e27f18c | 1080 | param->vendorID, param->vendorDescr); |
e184d5fc | 1081 | return 0; |
1da177e4 LT |
1082 | } |
1083 | ||
e184d5fc AD |
1084 | static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, |
1085 | size_t count, loff_t *ppos) | |
1da177e4 | 1086 | { |
e184d5fc | 1087 | rndis_params *p = PDE(file->f_path.dentry->d_inode)->data; |
1da177e4 LT |
1088 | u32 speed = 0; |
1089 | int i, fl_speed = 0; | |
7e27f18c | 1090 | |
1da177e4 LT |
1091 | for (i = 0; i < count; i++) { |
1092 | char c; | |
1093 | if (get_user(c, buffer)) | |
1094 | return -EFAULT; | |
1095 | switch (c) { | |
1096 | case '0': | |
1097 | case '1': | |
1098 | case '2': | |
1099 | case '3': | |
1100 | case '4': | |
1101 | case '5': | |
1102 | case '6': | |
1103 | case '7': | |
1104 | case '8': | |
1105 | case '9': | |
1106 | fl_speed = 1; | |
1107 | speed = speed*10 + c - '0'; | |
1108 | break; | |
1109 | case 'C': | |
1110 | case 'c': | |
1111 | rndis_signal_connect (p->confignr); | |
1112 | break; | |
1113 | case 'D': | |
1114 | case 'd': | |
1115 | rndis_signal_disconnect(p->confignr); | |
1116 | break; | |
7e27f18c | 1117 | default: |
1da177e4 | 1118 | if (fl_speed) p->speed = speed; |
33376c1c | 1119 | else pr_debug("%c is not valid\n", c); |
1da177e4 LT |
1120 | break; |
1121 | } | |
7e27f18c | 1122 | |
1da177e4 LT |
1123 | buffer++; |
1124 | } | |
7e27f18c | 1125 | |
1da177e4 LT |
1126 | return count; |
1127 | } | |
1128 | ||
e184d5fc AD |
1129 | static int rndis_proc_open(struct inode *inode, struct file *file) |
1130 | { | |
1131 | return single_open(file, rndis_proc_show, PDE(inode)->data); | |
1132 | } | |
1133 | ||
1134 | static const struct file_operations rndis_proc_fops = { | |
1135 | .owner = THIS_MODULE, | |
1136 | .open = rndis_proc_open, | |
1137 | .read = seq_read, | |
1138 | .llseek = seq_lseek, | |
1139 | .release = single_release, | |
1140 | .write = rndis_proc_write, | |
1141 | }; | |
1142 | ||
1da177e4 LT |
1143 | #define NAME_TEMPLATE "driver/rndis-%03d" |
1144 | ||
1145 | static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS]; | |
1146 | ||
1147 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ | |
1148 | ||
1149 | ||
0e530b45 | 1150 | int __init rndis_init (void) |
1da177e4 LT |
1151 | { |
1152 | u8 i; | |
1153 | ||
1154 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { | |
1155 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1156 | char name [20]; | |
1157 | ||
1158 | sprintf (name, NAME_TEMPLATE, i); | |
1159 | if (!(rndis_connect_state [i] | |
e184d5fc AD |
1160 | = proc_create_data(name, 0660, NULL, |
1161 | &rndis_proc_fops, | |
1162 | (void *)(rndis_per_dev_params + i)))) | |
1da177e4 | 1163 | { |
33376c1c | 1164 | pr_debug("%s :remove entries", __func__); |
1da177e4 LT |
1165 | while (i) { |
1166 | sprintf (name, NAME_TEMPLATE, --i); | |
1167 | remove_proc_entry (name, NULL); | |
1168 | } | |
33376c1c | 1169 | pr_debug("\n"); |
1da177e4 LT |
1170 | return -EIO; |
1171 | } | |
1da177e4 LT |
1172 | #endif |
1173 | rndis_per_dev_params [i].confignr = i; | |
1174 | rndis_per_dev_params [i].used = 0; | |
1175 | rndis_per_dev_params [i].state = RNDIS_UNINITIALIZED; | |
1176 | rndis_per_dev_params [i].media_state | |
1177 | = NDIS_MEDIA_STATE_DISCONNECTED; | |
1178 | INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue)); | |
1179 | } | |
7e27f18c | 1180 | |
1da177e4 LT |
1181 | return 0; |
1182 | } | |
1183 | ||
1184 | void rndis_exit (void) | |
1185 | { | |
1186 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1187 | u8 i; | |
1188 | char name [20]; | |
7e27f18c | 1189 | |
1da177e4 LT |
1190 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
1191 | sprintf (name, NAME_TEMPLATE, i); | |
1192 | remove_proc_entry (name, NULL); | |
1193 | } | |
1194 | #endif | |
1195 | } | |
1196 |