Commit | Line | Data |
---|---|---|
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; |
28172739 | 174 | struct rtnl_link_stats64 temp; |
fdb93f8a | 175 | const struct rtnl_link_stats64 *stats; |
1da177e4 LT |
176 | |
177 | if (!r) return -ENOMEM; | |
178 | resp = (rndis_query_cmplt_type *) r->buf; | |
179 | ||
180 | if (!resp) return -ENOMEM; | |
340600ab DB |
181 | |
182 | if (buf_len && rndis_debug > 1) { | |
33376c1c | 183 | pr_debug("query OID %08x value, len %d:\n", OID, buf_len); |
340600ab | 184 | for (i = 0; i < buf_len; i += 16) { |
33376c1c | 185 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
a5abdeaf HH |
186 | get_unaligned_le32(&buf[i]), |
187 | get_unaligned_le32(&buf[i + 4]), | |
188 | get_unaligned_le32(&buf[i + 8]), | |
189 | get_unaligned_le32(&buf[i + 12])); | |
340600ab DB |
190 | } |
191 | } | |
192 | ||
193 | /* response goes here, right after the header */ | |
194 | outbuf = (__le32 *) &resp[1]; | |
35c26c2c | 195 | resp->InformationBufferOffset = cpu_to_le32 (16); |
340600ab | 196 | |
15b2d2b5 | 197 | net = rndis_per_dev_params[configNr].dev; |
28172739 | 198 | stats = dev_get_stats(net, &temp); |
15b2d2b5 | 199 | |
1da177e4 LT |
200 | switch (OID) { |
201 | ||
202 | /* general oids (table 4-1) */ | |
203 | ||
204 | /* mandatory */ | |
205 | case OID_GEN_SUPPORTED_LIST: | |
33376c1c | 206 | pr_debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__); |
1da177e4 LT |
207 | length = sizeof (oid_supported_list); |
208 | count = length / sizeof (u32); | |
1da177e4 | 209 | for (i = 0; i < count; i++) |
340600ab | 210 | outbuf[i] = cpu_to_le32 (oid_supported_list[i]); |
1da177e4 LT |
211 | retval = 0; |
212 | break; | |
7e27f18c | 213 | |
1da177e4 LT |
214 | /* mandatory */ |
215 | case OID_GEN_HARDWARE_STATUS: | |
33376c1c | 216 | pr_debug("%s: OID_GEN_HARDWARE_STATUS\n", __func__); |
7e27f18c | 217 | /* Bogus question! |
1da177e4 | 218 | * Hardware must be ready to receive high level protocols. |
7e27f18c | 219 | * BTW: |
1da177e4 LT |
220 | * reddite ergo quae sunt Caesaris Caesari |
221 | * et quae sunt Dei Deo! | |
222 | */ | |
35c26c2c | 223 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
224 | retval = 0; |
225 | break; | |
7e27f18c | 226 | |
1da177e4 LT |
227 | /* mandatory */ |
228 | case OID_GEN_MEDIA_SUPPORTED: | |
33376c1c | 229 | pr_debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__); |
340600ab | 230 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); |
1da177e4 LT |
231 | retval = 0; |
232 | break; | |
7e27f18c | 233 | |
1da177e4 LT |
234 | /* mandatory */ |
235 | case OID_GEN_MEDIA_IN_USE: | |
33376c1c | 236 | pr_debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__); |
1da177e4 | 237 | /* one medium, one transport... (maybe you do it better) */ |
340600ab | 238 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); |
1da177e4 LT |
239 | retval = 0; |
240 | break; | |
7e27f18c | 241 | |
1da177e4 LT |
242 | /* mandatory */ |
243 | case OID_GEN_MAXIMUM_FRAME_SIZE: | |
33376c1c | 244 | pr_debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); |
1da177e4 | 245 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 246 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
247 | rndis_per_dev_params [configNr].dev->mtu); |
248 | retval = 0; | |
1da177e4 LT |
249 | } |
250 | break; | |
7e27f18c | 251 | |
1da177e4 LT |
252 | /* mandatory */ |
253 | case OID_GEN_LINK_SPEED: | |
340600ab | 254 | if (rndis_debug > 1) |
33376c1c | 255 | pr_debug("%s: OID_GEN_LINK_SPEED\n", __func__); |
1da177e4 | 256 | if (rndis_per_dev_params [configNr].media_state |
340600ab | 257 | == NDIS_MEDIA_STATE_DISCONNECTED) |
35c26c2c | 258 | *outbuf = cpu_to_le32 (0); |
1da177e4 | 259 | else |
340600ab | 260 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
261 | rndis_per_dev_params [configNr].speed); |
262 | retval = 0; | |
263 | break; | |
264 | ||
265 | /* mandatory */ | |
266 | case OID_GEN_TRANSMIT_BLOCK_SIZE: | |
33376c1c | 267 | pr_debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); |
1da177e4 | 268 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 269 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
270 | rndis_per_dev_params [configNr].dev->mtu); |
271 | retval = 0; | |
272 | } | |
273 | break; | |
7e27f18c | 274 | |
1da177e4 LT |
275 | /* mandatory */ |
276 | case OID_GEN_RECEIVE_BLOCK_SIZE: | |
33376c1c | 277 | pr_debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); |
1da177e4 | 278 | if (rndis_per_dev_params [configNr].dev) { |
340600ab | 279 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
280 | rndis_per_dev_params [configNr].dev->mtu); |
281 | retval = 0; | |
282 | } | |
283 | break; | |
7e27f18c | 284 | |
1da177e4 LT |
285 | /* mandatory */ |
286 | case OID_GEN_VENDOR_ID: | |
33376c1c | 287 | pr_debug("%s: OID_GEN_VENDOR_ID\n", __func__); |
340600ab | 288 | *outbuf = cpu_to_le32 ( |
1da177e4 LT |
289 | rndis_per_dev_params [configNr].vendorID); |
290 | retval = 0; | |
291 | break; | |
7e27f18c | 292 | |
1da177e4 LT |
293 | /* mandatory */ |
294 | case OID_GEN_VENDOR_DESCRIPTION: | |
33376c1c | 295 | pr_debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__); |
037d3656 MO |
296 | if ( rndis_per_dev_params [configNr].vendorDescr ) { |
297 | length = strlen (rndis_per_dev_params [configNr].vendorDescr); | |
298 | memcpy (outbuf, | |
299 | rndis_per_dev_params [configNr].vendorDescr, length); | |
300 | } else { | |
301 | outbuf[0] = 0; | |
302 | } | |
1da177e4 LT |
303 | retval = 0; |
304 | break; | |
305 | ||
306 | case OID_GEN_VENDOR_DRIVER_VERSION: | |
33376c1c | 307 | pr_debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); |
1da177e4 | 308 | /* Created as LE */ |
340600ab | 309 | *outbuf = rndis_driver_version; |
1da177e4 LT |
310 | retval = 0; |
311 | break; | |
312 | ||
313 | /* mandatory */ | |
314 | case OID_GEN_CURRENT_PACKET_FILTER: | |
33376c1c | 315 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); |
340600ab | 316 | *outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter); |
1da177e4 LT |
317 | retval = 0; |
318 | break; | |
319 | ||
320 | /* mandatory */ | |
321 | case OID_GEN_MAXIMUM_TOTAL_SIZE: | |
33376c1c | 322 | pr_debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); |
35c26c2c | 323 | *outbuf = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); |
1da177e4 LT |
324 | retval = 0; |
325 | break; | |
326 | ||
327 | /* mandatory */ | |
328 | case OID_GEN_MEDIA_CONNECT_STATUS: | |
340600ab | 329 | if (rndis_debug > 1) |
33376c1c | 330 | pr_debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); |
340600ab | 331 | *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr] |
1da177e4 LT |
332 | .media_state); |
333 | retval = 0; | |
334 | break; | |
335 | ||
336 | case OID_GEN_PHYSICAL_MEDIUM: | |
33376c1c | 337 | pr_debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); |
35c26c2c | 338 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
339 | retval = 0; |
340 | break; | |
341 | ||
342 | /* The RNDIS specification is incomplete/wrong. Some versions | |
343 | * of MS-Windows expect OIDs that aren't specified there. Other | |
344 | * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! | |
345 | */ | |
346 | case OID_GEN_MAC_OPTIONS: /* from WinME */ | |
33376c1c | 347 | pr_debug("%s: OID_GEN_MAC_OPTIONS\n", __func__); |
35c26c2c | 348 | *outbuf = cpu_to_le32( |
1da177e4 LT |
349 | NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
350 | | NDIS_MAC_OPTION_FULL_DUPLEX); | |
351 | retval = 0; | |
352 | break; | |
353 | ||
354 | /* statistics OIDs (table 4-2) */ | |
355 | ||
356 | /* mandatory */ | |
357 | case OID_GEN_XMIT_OK: | |
340600ab | 358 | if (rndis_debug > 1) |
33376c1c | 359 | pr_debug("%s: OID_GEN_XMIT_OK\n", __func__); |
15b2d2b5 DB |
360 | if (stats) { |
361 | *outbuf = cpu_to_le32(stats->tx_packets | |
362 | - stats->tx_errors - stats->tx_dropped); | |
1da177e4 | 363 | retval = 0; |
1da177e4 LT |
364 | } |
365 | break; | |
366 | ||
367 | /* mandatory */ | |
368 | case OID_GEN_RCV_OK: | |
340600ab | 369 | if (rndis_debug > 1) |
33376c1c | 370 | pr_debug("%s: OID_GEN_RCV_OK\n", __func__); |
15b2d2b5 DB |
371 | if (stats) { |
372 | *outbuf = cpu_to_le32(stats->rx_packets | |
373 | - stats->rx_errors - stats->rx_dropped); | |
1da177e4 | 374 | retval = 0; |
1da177e4 LT |
375 | } |
376 | break; | |
7e27f18c | 377 | |
1da177e4 LT |
378 | /* mandatory */ |
379 | case OID_GEN_XMIT_ERROR: | |
340600ab | 380 | if (rndis_debug > 1) |
33376c1c | 381 | pr_debug("%s: OID_GEN_XMIT_ERROR\n", __func__); |
15b2d2b5 DB |
382 | if (stats) { |
383 | *outbuf = cpu_to_le32(stats->tx_errors); | |
1da177e4 | 384 | retval = 0; |
1da177e4 LT |
385 | } |
386 | break; | |
7e27f18c | 387 | |
1da177e4 LT |
388 | /* mandatory */ |
389 | case OID_GEN_RCV_ERROR: | |
340600ab | 390 | if (rndis_debug > 1) |
33376c1c | 391 | pr_debug("%s: OID_GEN_RCV_ERROR\n", __func__); |
15b2d2b5 DB |
392 | if (stats) { |
393 | *outbuf = cpu_to_le32(stats->rx_errors); | |
1da177e4 | 394 | retval = 0; |
1da177e4 LT |
395 | } |
396 | break; | |
7e27f18c | 397 | |
1da177e4 LT |
398 | /* mandatory */ |
399 | case OID_GEN_RCV_NO_BUFFER: | |
33376c1c | 400 | pr_debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); |
15b2d2b5 DB |
401 | if (stats) { |
402 | *outbuf = cpu_to_le32(stats->rx_dropped); | |
1da177e4 | 403 | retval = 0; |
1da177e4 LT |
404 | } |
405 | break; | |
7e27f18c | 406 | |
1da177e4 LT |
407 | /* ieee802.3 OIDs (table 4-3) */ |
408 | ||
409 | /* mandatory */ | |
410 | case OID_802_3_PERMANENT_ADDRESS: | |
33376c1c | 411 | pr_debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__); |
1da177e4 LT |
412 | if (rndis_per_dev_params [configNr].dev) { |
413 | length = ETH_ALEN; | |
340600ab | 414 | memcpy (outbuf, |
1da177e4 LT |
415 | rndis_per_dev_params [configNr].host_mac, |
416 | length); | |
417 | retval = 0; | |
1da177e4 LT |
418 | } |
419 | break; | |
7e27f18c | 420 | |
1da177e4 LT |
421 | /* mandatory */ |
422 | case OID_802_3_CURRENT_ADDRESS: | |
33376c1c | 423 | pr_debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); |
1da177e4 LT |
424 | if (rndis_per_dev_params [configNr].dev) { |
425 | length = ETH_ALEN; | |
340600ab | 426 | memcpy (outbuf, |
1da177e4 LT |
427 | rndis_per_dev_params [configNr].host_mac, |
428 | length); | |
429 | retval = 0; | |
430 | } | |
431 | break; | |
7e27f18c | 432 | |
1da177e4 LT |
433 | /* mandatory */ |
434 | case OID_802_3_MULTICAST_LIST: | |
33376c1c | 435 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 | 436 | /* Multicast base address only */ |
35c26c2c | 437 | *outbuf = cpu_to_le32 (0xE0000000); |
1da177e4 LT |
438 | retval = 0; |
439 | break; | |
7e27f18c | 440 | |
1da177e4 LT |
441 | /* mandatory */ |
442 | case OID_802_3_MAXIMUM_LIST_SIZE: | |
33376c1c | 443 | pr_debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); |
1da177e4 | 444 | /* Multicast base address only */ |
35c26c2c | 445 | *outbuf = cpu_to_le32 (1); |
1da177e4 LT |
446 | retval = 0; |
447 | break; | |
7e27f18c | 448 | |
1da177e4 | 449 | case OID_802_3_MAC_OPTIONS: |
33376c1c | 450 | pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); |
6bc2146e QC |
451 | *outbuf = cpu_to_le32(0); |
452 | retval = 0; | |
1da177e4 LT |
453 | break; |
454 | ||
455 | /* ieee802.3 statistics OIDs (table 4-4) */ | |
456 | ||
457 | /* mandatory */ | |
458 | case OID_802_3_RCV_ERROR_ALIGNMENT: | |
33376c1c | 459 | pr_debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); |
15b2d2b5 DB |
460 | if (stats) { |
461 | *outbuf = cpu_to_le32(stats->rx_frame_errors); | |
1da177e4 LT |
462 | retval = 0; |
463 | } | |
464 | break; | |
7e27f18c | 465 | |
1da177e4 LT |
466 | /* mandatory */ |
467 | case OID_802_3_XMIT_ONE_COLLISION: | |
33376c1c | 468 | pr_debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); |
35c26c2c | 469 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
470 | retval = 0; |
471 | break; | |
7e27f18c | 472 | |
1da177e4 LT |
473 | /* mandatory */ |
474 | case OID_802_3_XMIT_MORE_COLLISIONS: | |
33376c1c | 475 | pr_debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); |
35c26c2c | 476 | *outbuf = cpu_to_le32 (0); |
1da177e4 LT |
477 | retval = 0; |
478 | break; | |
7e27f18c | 479 | |
1da177e4 | 480 | default: |
00274921 | 481 | pr_warning("%s: query unknown OID 0x%08X\n", |
441b62c1 | 482 | __func__, OID); |
1da177e4 | 483 | } |
340600ab DB |
484 | if (retval < 0) |
485 | length = 0; | |
7e27f18c | 486 | |
1da177e4 | 487 | resp->InformationBufferLength = cpu_to_le32 (length); |
340600ab DB |
488 | r->length = length + sizeof *resp; |
489 | resp->MessageLength = cpu_to_le32 (r->length); | |
1da177e4 LT |
490 | return retval; |
491 | } | |
492 | ||
7e27f18c DB |
493 | static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, |
494 | rndis_resp_t *r) | |
1da177e4 LT |
495 | { |
496 | rndis_set_cmplt_type *resp; | |
7e27f18c | 497 | int i, retval = -ENOTSUPP; |
1da177e4 LT |
498 | struct rndis_params *params; |
499 | ||
500 | if (!r) | |
501 | return -ENOMEM; | |
502 | resp = (rndis_set_cmplt_type *) r->buf; | |
503 | if (!resp) | |
504 | return -ENOMEM; | |
505 | ||
340600ab | 506 | if (buf_len && rndis_debug > 1) { |
33376c1c | 507 | pr_debug("set OID %08x value, len %d:\n", OID, buf_len); |
340600ab | 508 | for (i = 0; i < buf_len; i += 16) { |
33376c1c | 509 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
a5abdeaf HH |
510 | get_unaligned_le32(&buf[i]), |
511 | get_unaligned_le32(&buf[i + 4]), | |
512 | get_unaligned_le32(&buf[i + 8]), | |
513 | get_unaligned_le32(&buf[i + 12])); | |
340600ab | 514 | } |
1da177e4 LT |
515 | } |
516 | ||
340600ab | 517 | params = &rndis_per_dev_params [configNr]; |
1da177e4 LT |
518 | switch (OID) { |
519 | case OID_GEN_CURRENT_PACKET_FILTER: | |
1da177e4 | 520 | |
340600ab DB |
521 | /* these NDIS_PACKET_TYPE_* bitflags are shared with |
522 | * cdc_filter; it's not RNDIS-specific | |
1da177e4 LT |
523 | * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in: |
524 | * PROMISCUOUS, DIRECTED, | |
525 | * MULTICAST, ALL_MULTICAST, BROADCAST | |
526 | */ | |
a5abdeaf | 527 | *params->filter = (u16)get_unaligned_le32(buf); |
33376c1c | 528 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", |
441b62c1 | 529 | __func__, *params->filter); |
1da177e4 LT |
530 | |
531 | /* this call has a significant side effect: it's | |
532 | * what makes the packet flow start and stop, like | |
533 | * activating the CDC Ethernet altsetting. | |
534 | */ | |
340600ab DB |
535 | retval = 0; |
536 | if (*params->filter) { | |
1da177e4 LT |
537 | params->state = RNDIS_DATA_INITIALIZED; |
538 | netif_carrier_on(params->dev); | |
539 | if (netif_running(params->dev)) | |
540 | netif_wake_queue (params->dev); | |
541 | } else { | |
542 | params->state = RNDIS_INITIALIZED; | |
543 | netif_carrier_off (params->dev); | |
544 | netif_stop_queue (params->dev); | |
545 | } | |
546 | break; | |
7e27f18c | 547 | |
1da177e4 | 548 | case OID_802_3_MULTICAST_LIST: |
7e27f18c | 549 | /* I think we can ignore this */ |
33376c1c | 550 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 LT |
551 | retval = 0; |
552 | break; | |
340600ab | 553 | |
1da177e4 | 554 | default: |
00274921 | 555 | pr_warning("%s: set unknown OID 0x%08X, size %d\n", |
441b62c1 | 556 | __func__, OID, buf_len); |
1da177e4 | 557 | } |
7e27f18c | 558 | |
1da177e4 LT |
559 | return retval; |
560 | } | |
561 | ||
7e27f18c DB |
562 | /* |
563 | * Response Functions | |
1da177e4 LT |
564 | */ |
565 | ||
566 | static int rndis_init_response (int configNr, rndis_init_msg_type *buf) | |
567 | { | |
7e27f18c | 568 | rndis_init_cmplt_type *resp; |
1da177e4 | 569 | rndis_resp_t *r; |
15b2d2b5 | 570 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 571 | |
15b2d2b5 DB |
572 | if (!params->dev) |
573 | return -ENOTSUPP; | |
7e27f18c | 574 | |
1da177e4 | 575 | r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type)); |
340600ab DB |
576 | if (!r) |
577 | return -ENOMEM; | |
1da177e4 | 578 | resp = (rndis_init_cmplt_type *) r->buf; |
7e27f18c | 579 | |
35c26c2c | 580 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 581 | REMOTE_NDIS_INITIALIZE_CMPLT); |
35c26c2c | 582 | resp->MessageLength = cpu_to_le32 (52); |
1da177e4 | 583 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
35c26c2c HH |
584 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
585 | resp->MajorVersion = cpu_to_le32 (RNDIS_MAJOR_VERSION); | |
586 | resp->MinorVersion = cpu_to_le32 (RNDIS_MINOR_VERSION); | |
587 | resp->DeviceFlags = cpu_to_le32 (RNDIS_DF_CONNECTIONLESS); | |
588 | resp->Medium = cpu_to_le32 (RNDIS_MEDIUM_802_3); | |
589 | resp->MaxPacketsPerTransfer = cpu_to_le32 (1); | |
1da177e4 | 590 | resp->MaxTransferSize = cpu_to_le32 ( |
15b2d2b5 | 591 | params->dev->mtu |
1da177e4 LT |
592 | + sizeof (struct ethhdr) |
593 | + sizeof (struct rndis_packet_msg_type) | |
594 | + 22); | |
35c26c2c HH |
595 | resp->PacketAlignmentFactor = cpu_to_le32 (0); |
596 | resp->AFListOffset = cpu_to_le32 (0); | |
597 | resp->AFListSize = cpu_to_le32 (0); | |
7e27f18c | 598 | |
15b2d2b5 | 599 | params->resp_avail(params->v); |
1da177e4 LT |
600 | return 0; |
601 | } | |
602 | ||
603 | static int rndis_query_response (int configNr, rndis_query_msg_type *buf) | |
604 | { | |
605 | rndis_query_cmplt_type *resp; | |
606 | rndis_resp_t *r; | |
15b2d2b5 | 607 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 608 | |
33376c1c | 609 | /* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */ |
15b2d2b5 DB |
610 | if (!params->dev) |
611 | return -ENOTSUPP; | |
7e27f18c | 612 | |
8763716b ST |
613 | /* |
614 | * we need more memory: | |
615 | * gen_ndis_query_resp expects enough space for | |
616 | * rndis_query_cmplt_type followed by data. | |
617 | * oid_supported_list is the largest data reply | |
1da177e4 | 618 | */ |
8763716b ST |
619 | r = rndis_add_response (configNr, |
620 | sizeof (oid_supported_list) + sizeof(rndis_query_cmplt_type)); | |
340600ab DB |
621 | if (!r) |
622 | return -ENOMEM; | |
1da177e4 | 623 | resp = (rndis_query_cmplt_type *) r->buf; |
7e27f18c | 624 | |
35c26c2c | 625 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT); |
1da177e4 | 626 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
7e27f18c | 627 | |
340600ab DB |
628 | if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID), |
629 | le32_to_cpu(buf->InformationBufferOffset) | |
630 | + 8 + (u8 *) buf, | |
631 | le32_to_cpu(buf->InformationBufferLength), | |
632 | r)) { | |
1da177e4 | 633 | /* OID not supported */ |
35c26c2c | 634 | resp->Status = cpu_to_le32 ( |
1da177e4 | 635 | RNDIS_STATUS_NOT_SUPPORTED); |
35c26c2c HH |
636 | resp->MessageLength = cpu_to_le32 (sizeof *resp); |
637 | resp->InformationBufferLength = cpu_to_le32 (0); | |
638 | resp->InformationBufferOffset = cpu_to_le32 (0); | |
1da177e4 | 639 | } else |
35c26c2c | 640 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 641 | |
15b2d2b5 | 642 | params->resp_avail(params->v); |
1da177e4 LT |
643 | return 0; |
644 | } | |
645 | ||
646 | static int rndis_set_response (int configNr, rndis_set_msg_type *buf) | |
647 | { | |
648 | u32 BufLength, BufOffset; | |
649 | rndis_set_cmplt_type *resp; | |
650 | rndis_resp_t *r; | |
15b2d2b5 | 651 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 652 | |
1da177e4 | 653 | r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type)); |
340600ab DB |
654 | if (!r) |
655 | return -ENOMEM; | |
1da177e4 | 656 | resp = (rndis_set_cmplt_type *) r->buf; |
1da177e4 LT |
657 | |
658 | BufLength = le32_to_cpu (buf->InformationBufferLength); | |
659 | BufOffset = le32_to_cpu (buf->InformationBufferOffset); | |
660 | ||
15b2d2b5 | 661 | #ifdef VERBOSE_DEBUG |
33376c1c DB |
662 | pr_debug("%s: Length: %d\n", __func__, BufLength); |
663 | pr_debug("%s: Offset: %d\n", __func__, BufOffset); | |
664 | pr_debug("%s: InfoBuffer: ", __func__); | |
7e27f18c | 665 | |
1da177e4 | 666 | for (i = 0; i < BufLength; i++) { |
33376c1c | 667 | pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); |
1da177e4 | 668 | } |
7e27f18c | 669 | |
33376c1c | 670 | pr_debug("\n"); |
1da177e4 | 671 | #endif |
7e27f18c | 672 | |
35c26c2c HH |
673 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_SET_CMPLT); |
674 | resp->MessageLength = cpu_to_le32 (16); | |
1da177e4 | 675 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
7e27f18c DB |
676 | if (gen_ndis_set_resp (configNr, le32_to_cpu (buf->OID), |
677 | ((u8 *) buf) + 8 + BufOffset, BufLength, r)) | |
35c26c2c | 678 | resp->Status = cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED); |
7e27f18c | 679 | else |
35c26c2c | 680 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 681 | |
15b2d2b5 | 682 | params->resp_avail(params->v); |
1da177e4 LT |
683 | return 0; |
684 | } | |
685 | ||
686 | static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf) | |
687 | { | |
688 | rndis_reset_cmplt_type *resp; | |
689 | rndis_resp_t *r; | |
15b2d2b5 | 690 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 691 | |
1da177e4 | 692 | r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type)); |
340600ab DB |
693 | if (!r) |
694 | return -ENOMEM; | |
1da177e4 | 695 | resp = (rndis_reset_cmplt_type *) r->buf; |
7e27f18c | 696 | |
35c26c2c HH |
697 | resp->MessageType = cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT); |
698 | resp->MessageLength = cpu_to_le32 (16); | |
699 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); | |
1da177e4 | 700 | /* resent information */ |
35c26c2c | 701 | resp->AddressingReset = cpu_to_le32 (1); |
7e27f18c | 702 | |
15b2d2b5 | 703 | params->resp_avail(params->v); |
1da177e4 LT |
704 | return 0; |
705 | } | |
706 | ||
707 | static int rndis_keepalive_response (int configNr, | |
7e27f18c | 708 | rndis_keepalive_msg_type *buf) |
1da177e4 LT |
709 | { |
710 | rndis_keepalive_cmplt_type *resp; | |
711 | rndis_resp_t *r; | |
15b2d2b5 | 712 | struct rndis_params *params = rndis_per_dev_params + configNr; |
1da177e4 LT |
713 | |
714 | /* host "should" check only in RNDIS_DATA_INITIALIZED state */ | |
715 | ||
716 | r = rndis_add_response (configNr, sizeof (rndis_keepalive_cmplt_type)); | |
340600ab DB |
717 | if (!r) |
718 | return -ENOMEM; | |
1da177e4 | 719 | resp = (rndis_keepalive_cmplt_type *) r->buf; |
7e27f18c | 720 | |
35c26c2c | 721 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 722 | REMOTE_NDIS_KEEPALIVE_CMPLT); |
35c26c2c | 723 | resp->MessageLength = cpu_to_le32 (16); |
1da177e4 | 724 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
35c26c2c | 725 | resp->Status = cpu_to_le32 (RNDIS_STATUS_SUCCESS); |
7e27f18c | 726 | |
15b2d2b5 | 727 | params->resp_avail(params->v); |
1da177e4 LT |
728 | return 0; |
729 | } | |
730 | ||
731 | ||
7e27f18c DB |
732 | /* |
733 | * Device to Host Comunication | |
1da177e4 LT |
734 | */ |
735 | static int rndis_indicate_status_msg (int configNr, u32 status) | |
736 | { | |
7e27f18c | 737 | rndis_indicate_status_msg_type *resp; |
1da177e4 | 738 | rndis_resp_t *r; |
15b2d2b5 | 739 | struct rndis_params *params = rndis_per_dev_params + configNr; |
7e27f18c | 740 | |
15b2d2b5 | 741 | if (params->state == RNDIS_UNINITIALIZED) |
7e27f18c DB |
742 | return -ENOTSUPP; |
743 | ||
744 | r = rndis_add_response (configNr, | |
1da177e4 | 745 | sizeof (rndis_indicate_status_msg_type)); |
340600ab DB |
746 | if (!r) |
747 | return -ENOMEM; | |
1da177e4 | 748 | resp = (rndis_indicate_status_msg_type *) r->buf; |
7e27f18c | 749 | |
35c26c2c | 750 | resp->MessageType = cpu_to_le32 ( |
1da177e4 | 751 | REMOTE_NDIS_INDICATE_STATUS_MSG); |
35c26c2c | 752 | resp->MessageLength = cpu_to_le32 (20); |
1da177e4 | 753 | resp->Status = cpu_to_le32 (status); |
35c26c2c HH |
754 | resp->StatusBufferLength = cpu_to_le32 (0); |
755 | resp->StatusBufferOffset = cpu_to_le32 (0); | |
7e27f18c | 756 | |
15b2d2b5 | 757 | params->resp_avail(params->v); |
1da177e4 LT |
758 | return 0; |
759 | } | |
760 | ||
761 | int rndis_signal_connect (int configNr) | |
762 | { | |
763 | rndis_per_dev_params [configNr].media_state | |
764 | = NDIS_MEDIA_STATE_CONNECTED; | |
7e27f18c | 765 | return rndis_indicate_status_msg (configNr, |
1da177e4 LT |
766 | RNDIS_STATUS_MEDIA_CONNECT); |
767 | } | |
768 | ||
769 | int rndis_signal_disconnect (int configNr) | |
770 | { | |
771 | rndis_per_dev_params [configNr].media_state | |
772 | = NDIS_MEDIA_STATE_DISCONNECTED; | |
773 | return rndis_indicate_status_msg (configNr, | |
774 | RNDIS_STATUS_MEDIA_DISCONNECT); | |
775 | } | |
776 | ||
340600ab DB |
777 | void rndis_uninit (int configNr) |
778 | { | |
486e2df6 DB |
779 | u8 *buf; |
780 | u32 length; | |
781 | ||
340600ab DB |
782 | if (configNr >= RNDIS_MAX_CONFIGS) |
783 | return; | |
340600ab | 784 | rndis_per_dev_params [configNr].state = RNDIS_UNINITIALIZED; |
486e2df6 DB |
785 | |
786 | /* drain the response queue */ | |
787 | while ((buf = rndis_get_next_response(configNr, &length))) | |
788 | rndis_free_response(configNr, buf); | |
340600ab DB |
789 | } |
790 | ||
1da177e4 LT |
791 | void rndis_set_host_mac (int configNr, const u8 *addr) |
792 | { | |
793 | rndis_per_dev_params [configNr].host_mac = addr; | |
794 | } | |
795 | ||
7e27f18c DB |
796 | /* |
797 | * Message Parser | |
1da177e4 LT |
798 | */ |
799 | int rndis_msg_parser (u8 configNr, u8 *buf) | |
800 | { | |
801 | u32 MsgType, MsgLength; | |
802 | __le32 *tmp; | |
803 | struct rndis_params *params; | |
7e27f18c | 804 | |
1da177e4 LT |
805 | if (!buf) |
806 | return -ENOMEM; | |
7e27f18c DB |
807 | |
808 | tmp = (__le32 *) buf; | |
a5abdeaf HH |
809 | MsgType = get_unaligned_le32(tmp++); |
810 | MsgLength = get_unaligned_le32(tmp++); | |
7e27f18c | 811 | |
1da177e4 LT |
812 | if (configNr >= RNDIS_MAX_CONFIGS) |
813 | return -ENOTSUPP; | |
814 | params = &rndis_per_dev_params [configNr]; | |
7e27f18c | 815 | |
340600ab DB |
816 | /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for |
817 | * rx/tx statistics and link status, in addition to KEEPALIVE traffic | |
818 | * and normal HC level polling to see if there's any IN traffic. | |
819 | */ | |
820 | ||
1da177e4 | 821 | /* For USB: responses may take up to 10 seconds */ |
340600ab | 822 | switch (MsgType) { |
1da177e4 | 823 | case REMOTE_NDIS_INITIALIZE_MSG: |
33376c1c | 824 | pr_debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", |
441b62c1 | 825 | __func__ ); |
1da177e4 LT |
826 | params->state = RNDIS_INITIALIZED; |
827 | return rndis_init_response (configNr, | |
7e27f18c DB |
828 | (rndis_init_msg_type *) buf); |
829 | ||
1da177e4 | 830 | case REMOTE_NDIS_HALT_MSG: |
33376c1c | 831 | pr_debug("%s: REMOTE_NDIS_HALT_MSG\n", |
441b62c1 | 832 | __func__ ); |
1da177e4 LT |
833 | params->state = RNDIS_UNINITIALIZED; |
834 | if (params->dev) { | |
835 | netif_carrier_off (params->dev); | |
836 | netif_stop_queue (params->dev); | |
837 | } | |
838 | return 0; | |
7e27f18c | 839 | |
1da177e4 | 840 | case REMOTE_NDIS_QUERY_MSG: |
7e27f18c DB |
841 | return rndis_query_response (configNr, |
842 | (rndis_query_msg_type *) buf); | |
843 | ||
1da177e4 | 844 | case REMOTE_NDIS_SET_MSG: |
7e27f18c DB |
845 | return rndis_set_response (configNr, |
846 | (rndis_set_msg_type *) buf); | |
847 | ||
1da177e4 | 848 | case REMOTE_NDIS_RESET_MSG: |
33376c1c | 849 | pr_debug("%s: REMOTE_NDIS_RESET_MSG\n", |
441b62c1 | 850 | __func__ ); |
1da177e4 | 851 | return rndis_reset_response (configNr, |
7e27f18c | 852 | (rndis_reset_msg_type *) buf); |
1da177e4 LT |
853 | |
854 | case REMOTE_NDIS_KEEPALIVE_MSG: | |
855 | /* For USB: host does this every 5 seconds */ | |
340600ab | 856 | if (rndis_debug > 1) |
33376c1c | 857 | pr_debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", |
441b62c1 | 858 | __func__ ); |
1da177e4 | 859 | return rndis_keepalive_response (configNr, |
7e27f18c | 860 | (rndis_keepalive_msg_type *) |
1da177e4 | 861 | buf); |
7e27f18c DB |
862 | |
863 | default: | |
1da177e4 LT |
864 | /* At least Windows XP emits some undefined RNDIS messages. |
865 | * In one case those messages seemed to relate to the host | |
866 | * suspending itself. | |
867 | */ | |
00274921 | 868 | pr_warning("%s: unknown RNDIS message 0x%08X len %d\n", |
441b62c1 | 869 | __func__ , MsgType, MsgLength); |
1da177e4 LT |
870 | { |
871 | unsigned i; | |
872 | for (i = 0; i < MsgLength; i += 16) { | |
33376c1c | 873 | pr_debug("%03d: " |
1da177e4 LT |
874 | " %02x %02x %02x %02x" |
875 | " %02x %02x %02x %02x" | |
876 | " %02x %02x %02x %02x" | |
877 | " %02x %02x %02x %02x" | |
878 | "\n", | |
879 | i, | |
880 | buf[i], buf [i+1], | |
881 | buf[i+2], buf[i+3], | |
882 | buf[i+4], buf [i+5], | |
883 | buf[i+6], buf[i+7], | |
884 | buf[i+8], buf [i+9], | |
885 | buf[i+10], buf[i+11], | |
886 | buf[i+12], buf [i+13], | |
887 | buf[i+14], buf[i+15]); | |
888 | } | |
889 | } | |
890 | break; | |
891 | } | |
7e27f18c | 892 | |
1da177e4 LT |
893 | return -ENOTSUPP; |
894 | } | |
895 | ||
15b2d2b5 | 896 | int rndis_register(void (*resp_avail)(void *v), void *v) |
1da177e4 LT |
897 | { |
898 | u8 i; | |
7e27f18c | 899 | |
15b2d2b5 DB |
900 | if (!resp_avail) |
901 | return -EINVAL; | |
902 | ||
1da177e4 LT |
903 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
904 | if (!rndis_per_dev_params [i].used) { | |
905 | rndis_per_dev_params [i].used = 1; | |
15b2d2b5 DB |
906 | rndis_per_dev_params [i].resp_avail = resp_avail; |
907 | rndis_per_dev_params [i].v = v; | |
33376c1c | 908 | pr_debug("%s: configNr = %d\n", __func__, i); |
1da177e4 LT |
909 | return i; |
910 | } | |
911 | } | |
33376c1c | 912 | pr_debug("failed\n"); |
7e27f18c | 913 | |
15b2d2b5 | 914 | return -ENODEV; |
1da177e4 LT |
915 | } |
916 | ||
917 | void rndis_deregister (int configNr) | |
918 | { | |
33376c1c | 919 | pr_debug("%s: \n", __func__); |
7e27f18c | 920 | |
1da177e4 LT |
921 | if (configNr >= RNDIS_MAX_CONFIGS) return; |
922 | rndis_per_dev_params [configNr].used = 0; | |
7e27f18c | 923 | |
1da177e4 LT |
924 | return; |
925 | } | |
926 | ||
15b2d2b5 | 927 | int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) |
1da177e4 | 928 | { |
33376c1c | 929 | pr_debug("%s:\n", __func__); |
15b2d2b5 DB |
930 | if (!dev) |
931 | return -EINVAL; | |
1da177e4 | 932 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 933 | |
1da177e4 | 934 | rndis_per_dev_params [configNr].dev = dev; |
340600ab | 935 | rndis_per_dev_params [configNr].filter = cdc_filter; |
7e27f18c | 936 | |
1da177e4 LT |
937 | return 0; |
938 | } | |
939 | ||
940 | int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr) | |
941 | { | |
33376c1c | 942 | pr_debug("%s:\n", __func__); |
1da177e4 LT |
943 | if (!vendorDescr) return -1; |
944 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; | |
7e27f18c | 945 | |
1da177e4 LT |
946 | rndis_per_dev_params [configNr].vendorID = vendorID; |
947 | rndis_per_dev_params [configNr].vendorDescr = vendorDescr; | |
7e27f18c | 948 | |
1da177e4 LT |
949 | return 0; |
950 | } | |
951 | ||
952 | int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed) | |
953 | { | |
33376c1c | 954 | pr_debug("%s: %u %u\n", __func__, medium, speed); |
1da177e4 | 955 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 956 | |
1da177e4 LT |
957 | rndis_per_dev_params [configNr].medium = medium; |
958 | rndis_per_dev_params [configNr].speed = speed; | |
7e27f18c | 959 | |
1da177e4 LT |
960 | return 0; |
961 | } | |
962 | ||
963 | void rndis_add_hdr (struct sk_buff *skb) | |
964 | { | |
965 | struct rndis_packet_msg_type *header; | |
966 | ||
967 | if (!skb) | |
968 | return; | |
969 | header = (void *) skb_push (skb, sizeof *header); | |
970 | memset (header, 0, sizeof *header); | |
35c26c2c | 971 | header->MessageType = cpu_to_le32(REMOTE_NDIS_PACKET_MSG); |
1da177e4 | 972 | header->MessageLength = cpu_to_le32(skb->len); |
35c26c2c | 973 | header->DataOffset = cpu_to_le32 (36); |
6cdee106 | 974 | header->DataLength = cpu_to_le32(skb->len - sizeof *header); |
1da177e4 LT |
975 | } |
976 | ||
977 | void rndis_free_response (int configNr, u8 *buf) | |
978 | { | |
979 | rndis_resp_t *r; | |
980 | struct list_head *act, *tmp; | |
7e27f18c DB |
981 | |
982 | list_for_each_safe (act, tmp, | |
983 | &(rndis_per_dev_params [configNr].resp_queue)) | |
1da177e4 LT |
984 | { |
985 | r = list_entry (act, rndis_resp_t, list); | |
986 | if (r && r->buf == buf) { | |
987 | list_del (&r->list); | |
988 | kfree (r); | |
989 | } | |
990 | } | |
991 | } | |
992 | ||
993 | u8 *rndis_get_next_response (int configNr, u32 *length) | |
994 | { | |
995 | rndis_resp_t *r; | |
7e27f18c DB |
996 | struct list_head *act, *tmp; |
997 | ||
1da177e4 | 998 | if (!length) return NULL; |
7e27f18c DB |
999 | |
1000 | list_for_each_safe (act, tmp, | |
1001 | &(rndis_per_dev_params [configNr].resp_queue)) | |
1da177e4 LT |
1002 | { |
1003 | r = list_entry (act, rndis_resp_t, list); | |
1004 | if (!r->send) { | |
1005 | r->send = 1; | |
1006 | *length = r->length; | |
1007 | return r->buf; | |
1008 | } | |
1009 | } | |
7e27f18c | 1010 | |
1da177e4 LT |
1011 | return NULL; |
1012 | } | |
1013 | ||
1014 | static rndis_resp_t *rndis_add_response (int configNr, u32 length) | |
1015 | { | |
1016 | rndis_resp_t *r; | |
7e27f18c | 1017 | |
340600ab | 1018 | /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ |
1da177e4 LT |
1019 | r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC); |
1020 | if (!r) return NULL; | |
7e27f18c | 1021 | |
1da177e4 LT |
1022 | r->buf = (u8 *) (r + 1); |
1023 | r->length = length; | |
1024 | r->send = 0; | |
7e27f18c DB |
1025 | |
1026 | list_add_tail (&r->list, | |
1027 | &(rndis_per_dev_params [configNr].resp_queue)); | |
1da177e4 LT |
1028 | return r; |
1029 | } | |
1030 | ||
9b39e9dd BN |
1031 | int rndis_rm_hdr(struct gether *port, |
1032 | struct sk_buff *skb, | |
1033 | struct sk_buff_head *list) | |
1da177e4 | 1034 | { |
6cdee106 DB |
1035 | /* tmp points to a struct rndis_packet_msg_type */ |
1036 | __le32 *tmp = (void *) skb->data; | |
1da177e4 | 1037 | |
6cdee106 | 1038 | /* MessageType, MessageLength */ |
35c26c2c | 1039 | if (cpu_to_le32(REMOTE_NDIS_PACKET_MSG) |
9b39e9dd BN |
1040 | != get_unaligned(tmp++)) { |
1041 | dev_kfree_skb_any(skb); | |
6cdee106 | 1042 | return -EINVAL; |
9b39e9dd | 1043 | } |
6cdee106 DB |
1044 | tmp++; |
1045 | ||
1046 | /* DataOffset, DataLength */ | |
9b39e9dd BN |
1047 | if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) { |
1048 | dev_kfree_skb_any(skb); | |
6cdee106 | 1049 | return -EOVERFLOW; |
9b39e9dd | 1050 | } |
a5abdeaf | 1051 | skb_trim(skb, get_unaligned_le32(tmp++)); |
1da177e4 | 1052 | |
9b39e9dd | 1053 | skb_queue_tail(list, skb); |
1da177e4 LT |
1054 | return 0; |
1055 | } | |
1056 | ||
1057 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1058 | ||
e184d5fc | 1059 | static int rndis_proc_show(struct seq_file *m, void *v) |
1da177e4 | 1060 | { |
e184d5fc | 1061 | rndis_params *param = m->private; |
7e27f18c | 1062 | |
e184d5fc | 1063 | seq_printf(m, |
1da177e4 LT |
1064 | "Config Nr. %d\n" |
1065 | "used : %s\n" | |
1066 | "state : %s\n" | |
1067 | "medium : 0x%08X\n" | |
1068 | "speed : %d\n" | |
1069 | "cable : %s\n" | |
1070 | "vendor ID : 0x%08X\n" | |
7e27f18c DB |
1071 | "vendor : %s\n", |
1072 | param->confignr, (param->used) ? "y" : "n", | |
1da177e4 LT |
1073 | ({ char *s = "?"; |
1074 | switch (param->state) { | |
1075 | case RNDIS_UNINITIALIZED: | |
1076 | s = "RNDIS_UNINITIALIZED"; break; | |
1077 | case RNDIS_INITIALIZED: | |
1078 | s = "RNDIS_INITIALIZED"; break; | |
1079 | case RNDIS_DATA_INITIALIZED: | |
1080 | s = "RNDIS_DATA_INITIALIZED"; break; | |
1081 | }; s; }), | |
7e27f18c DB |
1082 | param->medium, |
1083 | (param->media_state) ? 0 : param->speed*100, | |
1da177e4 | 1084 | (param->media_state) ? "disconnected" : "connected", |
7e27f18c | 1085 | param->vendorID, param->vendorDescr); |
e184d5fc | 1086 | return 0; |
1da177e4 LT |
1087 | } |
1088 | ||
e184d5fc AD |
1089 | static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, |
1090 | size_t count, loff_t *ppos) | |
1da177e4 | 1091 | { |
e184d5fc | 1092 | rndis_params *p = PDE(file->f_path.dentry->d_inode)->data; |
1da177e4 LT |
1093 | u32 speed = 0; |
1094 | int i, fl_speed = 0; | |
7e27f18c | 1095 | |
1da177e4 LT |
1096 | for (i = 0; i < count; i++) { |
1097 | char c; | |
1098 | if (get_user(c, buffer)) | |
1099 | return -EFAULT; | |
1100 | switch (c) { | |
1101 | case '0': | |
1102 | case '1': | |
1103 | case '2': | |
1104 | case '3': | |
1105 | case '4': | |
1106 | case '5': | |
1107 | case '6': | |
1108 | case '7': | |
1109 | case '8': | |
1110 | case '9': | |
1111 | fl_speed = 1; | |
1112 | speed = speed*10 + c - '0'; | |
1113 | break; | |
1114 | case 'C': | |
1115 | case 'c': | |
1116 | rndis_signal_connect (p->confignr); | |
1117 | break; | |
1118 | case 'D': | |
1119 | case 'd': | |
1120 | rndis_signal_disconnect(p->confignr); | |
1121 | break; | |
7e27f18c | 1122 | default: |
1da177e4 | 1123 | if (fl_speed) p->speed = speed; |
33376c1c | 1124 | else pr_debug("%c is not valid\n", c); |
1da177e4 LT |
1125 | break; |
1126 | } | |
7e27f18c | 1127 | |
1da177e4 LT |
1128 | buffer++; |
1129 | } | |
7e27f18c | 1130 | |
1da177e4 LT |
1131 | return count; |
1132 | } | |
1133 | ||
e184d5fc AD |
1134 | static int rndis_proc_open(struct inode *inode, struct file *file) |
1135 | { | |
1136 | return single_open(file, rndis_proc_show, PDE(inode)->data); | |
1137 | } | |
1138 | ||
1139 | static const struct file_operations rndis_proc_fops = { | |
1140 | .owner = THIS_MODULE, | |
1141 | .open = rndis_proc_open, | |
1142 | .read = seq_read, | |
1143 | .llseek = seq_lseek, | |
1144 | .release = single_release, | |
1145 | .write = rndis_proc_write, | |
1146 | }; | |
1147 | ||
1da177e4 LT |
1148 | #define NAME_TEMPLATE "driver/rndis-%03d" |
1149 | ||
1150 | static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS]; | |
1151 | ||
1152 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ | |
1153 | ||
1154 | ||
793f03aa | 1155 | int rndis_init(void) |
1da177e4 LT |
1156 | { |
1157 | u8 i; | |
1158 | ||
1159 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { | |
1160 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1161 | char name [20]; | |
1162 | ||
1163 | sprintf (name, NAME_TEMPLATE, i); | |
1164 | if (!(rndis_connect_state [i] | |
e184d5fc AD |
1165 | = proc_create_data(name, 0660, NULL, |
1166 | &rndis_proc_fops, | |
1167 | (void *)(rndis_per_dev_params + i)))) | |
1da177e4 | 1168 | { |
33376c1c | 1169 | pr_debug("%s :remove entries", __func__); |
1da177e4 LT |
1170 | while (i) { |
1171 | sprintf (name, NAME_TEMPLATE, --i); | |
1172 | remove_proc_entry (name, NULL); | |
1173 | } | |
33376c1c | 1174 | pr_debug("\n"); |
1da177e4 LT |
1175 | return -EIO; |
1176 | } | |
1da177e4 LT |
1177 | #endif |
1178 | rndis_per_dev_params [i].confignr = i; | |
1179 | rndis_per_dev_params [i].used = 0; | |
1180 | rndis_per_dev_params [i].state = RNDIS_UNINITIALIZED; | |
1181 | rndis_per_dev_params [i].media_state | |
1182 | = NDIS_MEDIA_STATE_DISCONNECTED; | |
1183 | INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue)); | |
1184 | } | |
7e27f18c | 1185 | |
1da177e4 LT |
1186 | return 0; |
1187 | } | |
1188 | ||
1189 | void rndis_exit (void) | |
1190 | { | |
1191 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1192 | u8 i; | |
1193 | char name [20]; | |
7e27f18c | 1194 | |
1da177e4 LT |
1195 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
1196 | sprintf (name, NAME_TEMPLATE, i); | |
1197 | remove_proc_entry (name, NULL); | |
1198 | } | |
1199 | #endif | |
1200 | } | |
1201 |