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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 | ||
a1df4e45 | 64 | static rndis_params rndis_per_dev_params[RNDIS_MAX_CONFIGS]; |
1da177e4 LT |
65 | |
66 | /* Driver Version */ | |
a1df4e45 | 67 | static const __le32 rndis_driver_version = cpu_to_le32(1); |
1da177e4 LT |
68 | |
69 | /* Function Prototypes */ | |
a1df4e45 | 70 | static rndis_resp_t *rndis_add_response(int configNr, u32 length); |
1da177e4 LT |
71 | |
72 | ||
340600ab | 73 | /* supported OIDs */ |
a1df4e45 | 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 */ |
a1df4e45 MD |
164 | static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, |
165 | unsigned buf_len, rndis_resp_t *r) | |
1da177e4 | 166 | { |
a1df4e45 MD |
167 | int retval = -ENOTSUPP; |
168 | u32 length = 4; /* usually */ | |
169 | __le32 *outbuf; | |
170 | int i, count; | |
171 | rndis_query_cmplt_type *resp; | |
172 | struct net_device *net; | |
28172739 | 173 | struct rtnl_link_stats64 temp; |
fdb93f8a | 174 | const struct rtnl_link_stats64 *stats; |
1da177e4 LT |
175 | |
176 | if (!r) return -ENOMEM; | |
a1df4e45 | 177 | resp = (rndis_query_cmplt_type *)r->buf; |
1da177e4 LT |
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 */ | |
a1df4e45 MD |
193 | outbuf = (__le32 *)&resp[1]; |
194 | resp->InformationBufferOffset = cpu_to_le32(16); | |
340600ab | 195 | |
15b2d2b5 | 196 | net = rndis_per_dev_params[configNr].dev; |
28172739 | 197 | stats = dev_get_stats(net, &temp); |
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__); |
a1df4e45 MD |
206 | length = sizeof(oid_supported_list); |
207 | count = length / sizeof(u32); | |
1da177e4 | 208 | for (i = 0; i < count; i++) |
a1df4e45 | 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 | */ | |
a1df4e45 | 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__); |
a1df4e45 | 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) */ |
a1df4e45 | 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__); |
a1df4e45 MD |
244 | if (rndis_per_dev_params[configNr].dev) { |
245 | *outbuf = cpu_to_le32( | |
246 | rndis_per_dev_params[configNr].dev->mtu); | |
1da177e4 | 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__); |
a1df4e45 | 255 | if (rndis_per_dev_params[configNr].media_state |
340600ab | 256 | == NDIS_MEDIA_STATE_DISCONNECTED) |
a1df4e45 | 257 | *outbuf = cpu_to_le32(0); |
1da177e4 | 258 | else |
a1df4e45 MD |
259 | *outbuf = cpu_to_le32( |
260 | rndis_per_dev_params[configNr].speed); | |
1da177e4 LT |
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__); |
a1df4e45 MD |
267 | if (rndis_per_dev_params[configNr].dev) { |
268 | *outbuf = cpu_to_le32( | |
269 | rndis_per_dev_params[configNr].dev->mtu); | |
1da177e4 LT |
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__); |
a1df4e45 MD |
277 | if (rndis_per_dev_params[configNr].dev) { |
278 | *outbuf = cpu_to_le32( | |
279 | rndis_per_dev_params[configNr].dev->mtu); | |
1da177e4 LT |
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__); |
a1df4e45 MD |
287 | *outbuf = cpu_to_le32( |
288 | rndis_per_dev_params[configNr].vendorID); | |
1da177e4 LT |
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__); |
a1df4e45 MD |
295 | if (rndis_per_dev_params[configNr].vendorDescr) { |
296 | length = strlen(rndis_per_dev_params[configNr]. | |
297 | vendorDescr); | |
298 | memcpy(outbuf, | |
299 | rndis_per_dev_params[configNr].vendorDescr, | |
300 | length); | |
037d3656 MO |
301 | } else { |
302 | outbuf[0] = 0; | |
303 | } | |
1da177e4 LT |
304 | retval = 0; |
305 | break; | |
306 | ||
307 | case OID_GEN_VENDOR_DRIVER_VERSION: | |
33376c1c | 308 | pr_debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); |
1da177e4 | 309 | /* Created as LE */ |
340600ab | 310 | *outbuf = rndis_driver_version; |
1da177e4 LT |
311 | retval = 0; |
312 | break; | |
313 | ||
314 | /* mandatory */ | |
315 | case OID_GEN_CURRENT_PACKET_FILTER: | |
33376c1c | 316 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); |
a1df4e45 | 317 | *outbuf = cpu_to_le32(*rndis_per_dev_params[configNr].filter); |
1da177e4 LT |
318 | retval = 0; |
319 | break; | |
320 | ||
321 | /* mandatory */ | |
322 | case OID_GEN_MAXIMUM_TOTAL_SIZE: | |
33376c1c | 323 | pr_debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); |
35c26c2c | 324 | *outbuf = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); |
1da177e4 LT |
325 | retval = 0; |
326 | break; | |
327 | ||
328 | /* mandatory */ | |
329 | case OID_GEN_MEDIA_CONNECT_STATUS: | |
340600ab | 330 | if (rndis_debug > 1) |
33376c1c | 331 | pr_debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); |
a1df4e45 | 332 | *outbuf = cpu_to_le32(rndis_per_dev_params[configNr] |
1da177e4 LT |
333 | .media_state); |
334 | retval = 0; | |
335 | break; | |
336 | ||
337 | case OID_GEN_PHYSICAL_MEDIUM: | |
33376c1c | 338 | pr_debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); |
a1df4e45 | 339 | *outbuf = cpu_to_le32(0); |
1da177e4 LT |
340 | retval = 0; |
341 | break; | |
342 | ||
343 | /* The RNDIS specification is incomplete/wrong. Some versions | |
344 | * of MS-Windows expect OIDs that aren't specified there. Other | |
345 | * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! | |
346 | */ | |
347 | case OID_GEN_MAC_OPTIONS: /* from WinME */ | |
33376c1c | 348 | pr_debug("%s: OID_GEN_MAC_OPTIONS\n", __func__); |
35c26c2c | 349 | *outbuf = cpu_to_le32( |
1da177e4 LT |
350 | NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
351 | | NDIS_MAC_OPTION_FULL_DUPLEX); | |
352 | retval = 0; | |
353 | break; | |
354 | ||
355 | /* statistics OIDs (table 4-2) */ | |
356 | ||
357 | /* mandatory */ | |
358 | case OID_GEN_XMIT_OK: | |
340600ab | 359 | if (rndis_debug > 1) |
33376c1c | 360 | pr_debug("%s: OID_GEN_XMIT_OK\n", __func__); |
15b2d2b5 DB |
361 | if (stats) { |
362 | *outbuf = cpu_to_le32(stats->tx_packets | |
363 | - stats->tx_errors - stats->tx_dropped); | |
1da177e4 | 364 | retval = 0; |
1da177e4 LT |
365 | } |
366 | break; | |
367 | ||
368 | /* mandatory */ | |
369 | case OID_GEN_RCV_OK: | |
340600ab | 370 | if (rndis_debug > 1) |
33376c1c | 371 | pr_debug("%s: OID_GEN_RCV_OK\n", __func__); |
15b2d2b5 DB |
372 | if (stats) { |
373 | *outbuf = cpu_to_le32(stats->rx_packets | |
374 | - stats->rx_errors - stats->rx_dropped); | |
1da177e4 | 375 | retval = 0; |
1da177e4 LT |
376 | } |
377 | break; | |
7e27f18c | 378 | |
1da177e4 LT |
379 | /* mandatory */ |
380 | case OID_GEN_XMIT_ERROR: | |
340600ab | 381 | if (rndis_debug > 1) |
33376c1c | 382 | pr_debug("%s: OID_GEN_XMIT_ERROR\n", __func__); |
15b2d2b5 DB |
383 | if (stats) { |
384 | *outbuf = cpu_to_le32(stats->tx_errors); | |
1da177e4 | 385 | retval = 0; |
1da177e4 LT |
386 | } |
387 | break; | |
7e27f18c | 388 | |
1da177e4 LT |
389 | /* mandatory */ |
390 | case OID_GEN_RCV_ERROR: | |
340600ab | 391 | if (rndis_debug > 1) |
33376c1c | 392 | pr_debug("%s: OID_GEN_RCV_ERROR\n", __func__); |
15b2d2b5 DB |
393 | if (stats) { |
394 | *outbuf = cpu_to_le32(stats->rx_errors); | |
1da177e4 | 395 | retval = 0; |
1da177e4 LT |
396 | } |
397 | break; | |
7e27f18c | 398 | |
1da177e4 LT |
399 | /* mandatory */ |
400 | case OID_GEN_RCV_NO_BUFFER: | |
33376c1c | 401 | pr_debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); |
15b2d2b5 DB |
402 | if (stats) { |
403 | *outbuf = cpu_to_le32(stats->rx_dropped); | |
1da177e4 | 404 | retval = 0; |
1da177e4 LT |
405 | } |
406 | break; | |
7e27f18c | 407 | |
1da177e4 LT |
408 | /* ieee802.3 OIDs (table 4-3) */ |
409 | ||
410 | /* mandatory */ | |
411 | case OID_802_3_PERMANENT_ADDRESS: | |
33376c1c | 412 | pr_debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__); |
a1df4e45 | 413 | if (rndis_per_dev_params[configNr].dev) { |
1da177e4 | 414 | length = ETH_ALEN; |
a1df4e45 MD |
415 | memcpy(outbuf, |
416 | rndis_per_dev_params[configNr].host_mac, | |
1da177e4 LT |
417 | length); |
418 | retval = 0; | |
1da177e4 LT |
419 | } |
420 | break; | |
7e27f18c | 421 | |
1da177e4 LT |
422 | /* mandatory */ |
423 | case OID_802_3_CURRENT_ADDRESS: | |
33376c1c | 424 | pr_debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); |
a1df4e45 | 425 | if (rndis_per_dev_params[configNr].dev) { |
1da177e4 | 426 | length = ETH_ALEN; |
a1df4e45 | 427 | memcpy(outbuf, |
1da177e4 LT |
428 | rndis_per_dev_params [configNr].host_mac, |
429 | length); | |
430 | retval = 0; | |
431 | } | |
432 | break; | |
7e27f18c | 433 | |
1da177e4 LT |
434 | /* mandatory */ |
435 | case OID_802_3_MULTICAST_LIST: | |
33376c1c | 436 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 | 437 | /* Multicast base address only */ |
a1df4e45 | 438 | *outbuf = cpu_to_le32(0xE0000000); |
1da177e4 LT |
439 | retval = 0; |
440 | break; | |
7e27f18c | 441 | |
1da177e4 LT |
442 | /* mandatory */ |
443 | case OID_802_3_MAXIMUM_LIST_SIZE: | |
33376c1c | 444 | pr_debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); |
1da177e4 | 445 | /* Multicast base address only */ |
a1df4e45 | 446 | *outbuf = cpu_to_le32(1); |
1da177e4 LT |
447 | retval = 0; |
448 | break; | |
7e27f18c | 449 | |
1da177e4 | 450 | case OID_802_3_MAC_OPTIONS: |
33376c1c | 451 | pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); |
6bc2146e QC |
452 | *outbuf = cpu_to_le32(0); |
453 | retval = 0; | |
1da177e4 LT |
454 | break; |
455 | ||
456 | /* ieee802.3 statistics OIDs (table 4-4) */ | |
457 | ||
458 | /* mandatory */ | |
459 | case OID_802_3_RCV_ERROR_ALIGNMENT: | |
33376c1c | 460 | pr_debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); |
15b2d2b5 DB |
461 | if (stats) { |
462 | *outbuf = cpu_to_le32(stats->rx_frame_errors); | |
1da177e4 LT |
463 | retval = 0; |
464 | } | |
465 | break; | |
7e27f18c | 466 | |
1da177e4 LT |
467 | /* mandatory */ |
468 | case OID_802_3_XMIT_ONE_COLLISION: | |
33376c1c | 469 | pr_debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); |
a1df4e45 | 470 | *outbuf = cpu_to_le32(0); |
1da177e4 LT |
471 | retval = 0; |
472 | break; | |
7e27f18c | 473 | |
1da177e4 LT |
474 | /* mandatory */ |
475 | case OID_802_3_XMIT_MORE_COLLISIONS: | |
33376c1c | 476 | pr_debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); |
a1df4e45 | 477 | *outbuf = cpu_to_le32(0); |
1da177e4 LT |
478 | retval = 0; |
479 | break; | |
7e27f18c | 480 | |
1da177e4 | 481 | default: |
00274921 | 482 | pr_warning("%s: query unknown OID 0x%08X\n", |
441b62c1 | 483 | __func__, OID); |
1da177e4 | 484 | } |
340600ab DB |
485 | if (retval < 0) |
486 | length = 0; | |
7e27f18c | 487 | |
a1df4e45 MD |
488 | resp->InformationBufferLength = cpu_to_le32(length); |
489 | r->length = length + sizeof(*resp); | |
490 | resp->MessageLength = cpu_to_le32(r->length); | |
1da177e4 LT |
491 | return retval; |
492 | } | |
493 | ||
a1df4e45 MD |
494 | static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len, |
495 | rndis_resp_t *r) | |
1da177e4 | 496 | { |
a1df4e45 MD |
497 | rndis_set_cmplt_type *resp; |
498 | int i, retval = -ENOTSUPP; | |
499 | struct rndis_params *params; | |
1da177e4 LT |
500 | |
501 | if (!r) | |
502 | return -ENOMEM; | |
a1df4e45 | 503 | resp = (rndis_set_cmplt_type *)r->buf; |
1da177e4 LT |
504 | if (!resp) |
505 | return -ENOMEM; | |
506 | ||
340600ab | 507 | if (buf_len && rndis_debug > 1) { |
33376c1c | 508 | pr_debug("set OID %08x value, len %d:\n", OID, buf_len); |
340600ab | 509 | for (i = 0; i < buf_len; i += 16) { |
33376c1c | 510 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
a5abdeaf HH |
511 | get_unaligned_le32(&buf[i]), |
512 | get_unaligned_le32(&buf[i + 4]), | |
513 | get_unaligned_le32(&buf[i + 8]), | |
514 | get_unaligned_le32(&buf[i + 12])); | |
340600ab | 515 | } |
1da177e4 LT |
516 | } |
517 | ||
a1df4e45 | 518 | params = &rndis_per_dev_params[configNr]; |
1da177e4 LT |
519 | switch (OID) { |
520 | case OID_GEN_CURRENT_PACKET_FILTER: | |
1da177e4 | 521 | |
340600ab DB |
522 | /* these NDIS_PACKET_TYPE_* bitflags are shared with |
523 | * cdc_filter; it's not RNDIS-specific | |
1da177e4 LT |
524 | * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in: |
525 | * PROMISCUOUS, DIRECTED, | |
526 | * MULTICAST, ALL_MULTICAST, BROADCAST | |
527 | */ | |
a5abdeaf | 528 | *params->filter = (u16)get_unaligned_le32(buf); |
33376c1c | 529 | pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", |
441b62c1 | 530 | __func__, *params->filter); |
1da177e4 LT |
531 | |
532 | /* this call has a significant side effect: it's | |
533 | * what makes the packet flow start and stop, like | |
534 | * activating the CDC Ethernet altsetting. | |
535 | */ | |
340600ab DB |
536 | retval = 0; |
537 | if (*params->filter) { | |
1da177e4 LT |
538 | params->state = RNDIS_DATA_INITIALIZED; |
539 | netif_carrier_on(params->dev); | |
540 | if (netif_running(params->dev)) | |
a1df4e45 | 541 | netif_wake_queue(params->dev); |
1da177e4 LT |
542 | } else { |
543 | params->state = RNDIS_INITIALIZED; | |
a1df4e45 MD |
544 | netif_carrier_off(params->dev); |
545 | netif_stop_queue(params->dev); | |
1da177e4 LT |
546 | } |
547 | break; | |
7e27f18c | 548 | |
1da177e4 | 549 | case OID_802_3_MULTICAST_LIST: |
7e27f18c | 550 | /* I think we can ignore this */ |
33376c1c | 551 | pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
1da177e4 LT |
552 | retval = 0; |
553 | break; | |
340600ab | 554 | |
1da177e4 | 555 | default: |
00274921 | 556 | pr_warning("%s: set unknown OID 0x%08X, size %d\n", |
441b62c1 | 557 | __func__, OID, buf_len); |
1da177e4 | 558 | } |
7e27f18c | 559 | |
1da177e4 LT |
560 | return retval; |
561 | } | |
562 | ||
7e27f18c DB |
563 | /* |
564 | * Response Functions | |
1da177e4 LT |
565 | */ |
566 | ||
a1df4e45 | 567 | static int rndis_init_response(int configNr, rndis_init_msg_type *buf) |
1da177e4 | 568 | { |
a1df4e45 MD |
569 | rndis_init_cmplt_type *resp; |
570 | rndis_resp_t *r; | |
571 | struct rndis_params *params = rndis_per_dev_params + configNr; | |
7e27f18c | 572 | |
15b2d2b5 DB |
573 | if (!params->dev) |
574 | return -ENOTSUPP; | |
7e27f18c | 575 | |
a1df4e45 | 576 | r = rndis_add_response(configNr, sizeof(rndis_init_cmplt_type)); |
340600ab DB |
577 | if (!r) |
578 | return -ENOMEM; | |
a1df4e45 | 579 | resp = (rndis_init_cmplt_type *)r->buf; |
7e27f18c | 580 | |
a1df4e45 MD |
581 | resp->MessageType = cpu_to_le32(REMOTE_NDIS_INITIALIZE_CMPLT); |
582 | resp->MessageLength = cpu_to_le32(52); | |
1da177e4 | 583 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
a1df4e45 MD |
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); | |
590 | resp->MaxTransferSize = cpu_to_le32( | |
15b2d2b5 | 591 | params->dev->mtu |
a1df4e45 MD |
592 | + sizeof(struct ethhdr) |
593 | + sizeof(struct rndis_packet_msg_type) | |
1da177e4 | 594 | + 22); |
a1df4e45 MD |
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 | ||
a1df4e45 | 603 | static int rndis_query_response(int configNr, rndis_query_msg_type *buf) |
1da177e4 LT |
604 | { |
605 | rndis_query_cmplt_type *resp; | |
a1df4e45 MD |
606 | rndis_resp_t *r; |
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 | */ |
a1df4e45 MD |
619 | r = rndis_add_response(configNr, |
620 | sizeof(oid_supported_list) + sizeof(rndis_query_cmplt_type)); | |
340600ab DB |
621 | if (!r) |
622 | return -ENOMEM; | |
a1df4e45 | 623 | resp = (rndis_query_cmplt_type *)r->buf; |
7e27f18c | 624 | |
a1df4e45 | 625 | resp->MessageType = cpu_to_le32(REMOTE_NDIS_QUERY_CMPLT); |
1da177e4 | 626 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
7e27f18c | 627 | |
a1df4e45 | 628 | if (gen_ndis_query_resp(configNr, le32_to_cpu(buf->OID), |
340600ab | 629 | le32_to_cpu(buf->InformationBufferOffset) |
a1df4e45 | 630 | + 8 + (u8 *)buf, |
340600ab DB |
631 | le32_to_cpu(buf->InformationBufferLength), |
632 | r)) { | |
1da177e4 | 633 | /* OID not supported */ |
a1df4e45 MD |
634 | resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); |
635 | resp->MessageLength = cpu_to_le32(sizeof *resp); | |
636 | resp->InformationBufferLength = cpu_to_le32(0); | |
637 | resp->InformationBufferOffset = cpu_to_le32(0); | |
1da177e4 | 638 | } else |
a1df4e45 | 639 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
7e27f18c | 640 | |
15b2d2b5 | 641 | params->resp_avail(params->v); |
1da177e4 LT |
642 | return 0; |
643 | } | |
644 | ||
a1df4e45 | 645 | static int rndis_set_response(int configNr, rndis_set_msg_type *buf) |
1da177e4 | 646 | { |
a1df4e45 MD |
647 | u32 BufLength, BufOffset; |
648 | rndis_set_cmplt_type *resp; | |
649 | rndis_resp_t *r; | |
650 | struct rndis_params *params = rndis_per_dev_params + configNr; | |
7e27f18c | 651 | |
a1df4e45 | 652 | r = rndis_add_response(configNr, sizeof(rndis_set_cmplt_type)); |
340600ab DB |
653 | if (!r) |
654 | return -ENOMEM; | |
a1df4e45 | 655 | resp = (rndis_set_cmplt_type *)r->buf; |
1da177e4 | 656 | |
a1df4e45 MD |
657 | BufLength = le32_to_cpu(buf->InformationBufferLength); |
658 | BufOffset = le32_to_cpu(buf->InformationBufferOffset); | |
1da177e4 | 659 | |
15b2d2b5 | 660 | #ifdef VERBOSE_DEBUG |
33376c1c DB |
661 | pr_debug("%s: Length: %d\n", __func__, BufLength); |
662 | pr_debug("%s: Offset: %d\n", __func__, BufOffset); | |
663 | pr_debug("%s: InfoBuffer: ", __func__); | |
7e27f18c | 664 | |
1da177e4 | 665 | for (i = 0; i < BufLength; i++) { |
33376c1c | 666 | pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); |
1da177e4 | 667 | } |
7e27f18c | 668 | |
33376c1c | 669 | pr_debug("\n"); |
1da177e4 | 670 | #endif |
7e27f18c | 671 | |
a1df4e45 MD |
672 | resp->MessageType = cpu_to_le32(REMOTE_NDIS_SET_CMPLT); |
673 | resp->MessageLength = cpu_to_le32(16); | |
1da177e4 | 674 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
a1df4e45 MD |
675 | if (gen_ndis_set_resp(configNr, le32_to_cpu(buf->OID), |
676 | ((u8 *)buf) + 8 + BufOffset, BufLength, r)) | |
677 | resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); | |
7e27f18c | 678 | else |
a1df4e45 | 679 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
7e27f18c | 680 | |
15b2d2b5 | 681 | params->resp_avail(params->v); |
1da177e4 LT |
682 | return 0; |
683 | } | |
684 | ||
a1df4e45 | 685 | static int rndis_reset_response(int configNr, rndis_reset_msg_type *buf) |
1da177e4 | 686 | { |
a1df4e45 MD |
687 | rndis_reset_cmplt_type *resp; |
688 | rndis_resp_t *r; | |
689 | struct rndis_params *params = rndis_per_dev_params + configNr; | |
7e27f18c | 690 | |
a1df4e45 | 691 | r = rndis_add_response(configNr, sizeof(rndis_reset_cmplt_type)); |
340600ab DB |
692 | if (!r) |
693 | return -ENOMEM; | |
a1df4e45 | 694 | resp = (rndis_reset_cmplt_type *)r->buf; |
7e27f18c | 695 | |
a1df4e45 MD |
696 | resp->MessageType = cpu_to_le32(REMOTE_NDIS_RESET_CMPLT); |
697 | resp->MessageLength = cpu_to_le32(16); | |
698 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); | |
1da177e4 | 699 | /* resent information */ |
a1df4e45 | 700 | resp->AddressingReset = cpu_to_le32(1); |
7e27f18c | 701 | |
15b2d2b5 | 702 | params->resp_avail(params->v); |
1da177e4 LT |
703 | return 0; |
704 | } | |
705 | ||
a1df4e45 MD |
706 | static int rndis_keepalive_response(int configNr, |
707 | rndis_keepalive_msg_type *buf) | |
1da177e4 | 708 | { |
a1df4e45 MD |
709 | rndis_keepalive_cmplt_type *resp; |
710 | rndis_resp_t *r; | |
711 | struct rndis_params *params = rndis_per_dev_params + configNr; | |
1da177e4 LT |
712 | |
713 | /* host "should" check only in RNDIS_DATA_INITIALIZED state */ | |
714 | ||
a1df4e45 | 715 | r = rndis_add_response(configNr, sizeof(rndis_keepalive_cmplt_type)); |
340600ab DB |
716 | if (!r) |
717 | return -ENOMEM; | |
a1df4e45 | 718 | resp = (rndis_keepalive_cmplt_type *)r->buf; |
7e27f18c | 719 | |
a1df4e45 | 720 | resp->MessageType = cpu_to_le32( |
1da177e4 | 721 | REMOTE_NDIS_KEEPALIVE_CMPLT); |
a1df4e45 | 722 | resp->MessageLength = cpu_to_le32(16); |
1da177e4 | 723 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
a1df4e45 | 724 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
7e27f18c | 725 | |
15b2d2b5 | 726 | params->resp_avail(params->v); |
1da177e4 LT |
727 | return 0; |
728 | } | |
729 | ||
730 | ||
7e27f18c DB |
731 | /* |
732 | * Device to Host Comunication | |
1da177e4 | 733 | */ |
a1df4e45 | 734 | static int rndis_indicate_status_msg(int configNr, u32 status) |
1da177e4 | 735 | { |
a1df4e45 MD |
736 | rndis_indicate_status_msg_type *resp; |
737 | rndis_resp_t *r; | |
738 | struct rndis_params *params = rndis_per_dev_params + configNr; | |
7e27f18c | 739 | |
15b2d2b5 | 740 | if (params->state == RNDIS_UNINITIALIZED) |
7e27f18c DB |
741 | return -ENOTSUPP; |
742 | ||
a1df4e45 MD |
743 | r = rndis_add_response(configNr, |
744 | sizeof(rndis_indicate_status_msg_type)); | |
340600ab DB |
745 | if (!r) |
746 | return -ENOMEM; | |
a1df4e45 | 747 | resp = (rndis_indicate_status_msg_type *)r->buf; |
7e27f18c | 748 | |
a1df4e45 MD |
749 | resp->MessageType = cpu_to_le32(REMOTE_NDIS_INDICATE_STATUS_MSG); |
750 | resp->MessageLength = cpu_to_le32(20); | |
751 | resp->Status = cpu_to_le32(status); | |
752 | resp->StatusBufferLength = cpu_to_le32(0); | |
753 | resp->StatusBufferOffset = cpu_to_le32(0); | |
7e27f18c | 754 | |
15b2d2b5 | 755 | params->resp_avail(params->v); |
1da177e4 LT |
756 | return 0; |
757 | } | |
758 | ||
a1df4e45 | 759 | int rndis_signal_connect(int configNr) |
1da177e4 | 760 | { |
a1df4e45 | 761 | rndis_per_dev_params[configNr].media_state |
1da177e4 | 762 | = NDIS_MEDIA_STATE_CONNECTED; |
a1df4e45 | 763 | return rndis_indicate_status_msg(configNr, |
1da177e4 LT |
764 | RNDIS_STATUS_MEDIA_CONNECT); |
765 | } | |
766 | ||
a1df4e45 | 767 | int rndis_signal_disconnect(int configNr) |
1da177e4 | 768 | { |
a1df4e45 | 769 | rndis_per_dev_params[configNr].media_state |
1da177e4 | 770 | = NDIS_MEDIA_STATE_DISCONNECTED; |
a1df4e45 | 771 | return rndis_indicate_status_msg(configNr, |
1da177e4 LT |
772 | RNDIS_STATUS_MEDIA_DISCONNECT); |
773 | } | |
774 | ||
a1df4e45 | 775 | void rndis_uninit(int configNr) |
340600ab | 776 | { |
486e2df6 DB |
777 | u8 *buf; |
778 | u32 length; | |
779 | ||
340600ab DB |
780 | if (configNr >= RNDIS_MAX_CONFIGS) |
781 | return; | |
a1df4e45 | 782 | rndis_per_dev_params[configNr].state = RNDIS_UNINITIALIZED; |
486e2df6 DB |
783 | |
784 | /* drain the response queue */ | |
785 | while ((buf = rndis_get_next_response(configNr, &length))) | |
786 | rndis_free_response(configNr, buf); | |
340600ab DB |
787 | } |
788 | ||
a1df4e45 | 789 | void rndis_set_host_mac(int configNr, const u8 *addr) |
1da177e4 | 790 | { |
a1df4e45 | 791 | rndis_per_dev_params[configNr].host_mac = addr; |
1da177e4 LT |
792 | } |
793 | ||
7e27f18c DB |
794 | /* |
795 | * Message Parser | |
1da177e4 | 796 | */ |
a1df4e45 | 797 | int rndis_msg_parser(u8 configNr, u8 *buf) |
1da177e4 LT |
798 | { |
799 | u32 MsgType, MsgLength; | |
800 | __le32 *tmp; | |
a1df4e45 | 801 | struct rndis_params *params; |
7e27f18c | 802 | |
1da177e4 LT |
803 | if (!buf) |
804 | return -ENOMEM; | |
7e27f18c | 805 | |
a1df4e45 | 806 | tmp = (__le32 *)buf; |
a5abdeaf HH |
807 | MsgType = get_unaligned_le32(tmp++); |
808 | MsgLength = get_unaligned_le32(tmp++); | |
7e27f18c | 809 | |
1da177e4 LT |
810 | if (configNr >= RNDIS_MAX_CONFIGS) |
811 | return -ENOTSUPP; | |
a1df4e45 | 812 | params = &rndis_per_dev_params[configNr]; |
7e27f18c | 813 | |
340600ab DB |
814 | /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for |
815 | * rx/tx statistics and link status, in addition to KEEPALIVE traffic | |
816 | * and normal HC level polling to see if there's any IN traffic. | |
817 | */ | |
818 | ||
1da177e4 | 819 | /* For USB: responses may take up to 10 seconds */ |
340600ab | 820 | switch (MsgType) { |
1da177e4 | 821 | case REMOTE_NDIS_INITIALIZE_MSG: |
33376c1c | 822 | pr_debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", |
a1df4e45 | 823 | __func__); |
1da177e4 | 824 | params->state = RNDIS_INITIALIZED; |
a1df4e45 MD |
825 | return rndis_init_response(configNr, |
826 | (rndis_init_msg_type *)buf); | |
7e27f18c | 827 | |
1da177e4 | 828 | case REMOTE_NDIS_HALT_MSG: |
33376c1c | 829 | pr_debug("%s: REMOTE_NDIS_HALT_MSG\n", |
a1df4e45 | 830 | __func__); |
1da177e4 LT |
831 | params->state = RNDIS_UNINITIALIZED; |
832 | if (params->dev) { | |
a1df4e45 MD |
833 | netif_carrier_off(params->dev); |
834 | netif_stop_queue(params->dev); | |
1da177e4 LT |
835 | } |
836 | return 0; | |
7e27f18c | 837 | |
1da177e4 | 838 | case REMOTE_NDIS_QUERY_MSG: |
a1df4e45 MD |
839 | return rndis_query_response(configNr, |
840 | (rndis_query_msg_type *)buf); | |
7e27f18c | 841 | |
1da177e4 | 842 | case REMOTE_NDIS_SET_MSG: |
a1df4e45 MD |
843 | return rndis_set_response(configNr, |
844 | (rndis_set_msg_type *)buf); | |
7e27f18c | 845 | |
1da177e4 | 846 | case REMOTE_NDIS_RESET_MSG: |
33376c1c | 847 | pr_debug("%s: REMOTE_NDIS_RESET_MSG\n", |
a1df4e45 MD |
848 | __func__); |
849 | return rndis_reset_response(configNr, | |
850 | (rndis_reset_msg_type *)buf); | |
1da177e4 LT |
851 | |
852 | case REMOTE_NDIS_KEEPALIVE_MSG: | |
853 | /* For USB: host does this every 5 seconds */ | |
340600ab | 854 | if (rndis_debug > 1) |
33376c1c | 855 | pr_debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", |
a1df4e45 MD |
856 | __func__); |
857 | return rndis_keepalive_response(configNr, | |
7e27f18c | 858 | (rndis_keepalive_msg_type *) |
1da177e4 | 859 | buf); |
7e27f18c DB |
860 | |
861 | default: | |
1da177e4 LT |
862 | /* At least Windows XP emits some undefined RNDIS messages. |
863 | * In one case those messages seemed to relate to the host | |
864 | * suspending itself. | |
865 | */ | |
00274921 | 866 | pr_warning("%s: unknown RNDIS message 0x%08X len %d\n", |
a1df4e45 | 867 | __func__, MsgType, MsgLength); |
1da177e4 LT |
868 | { |
869 | unsigned i; | |
870 | for (i = 0; i < MsgLength; i += 16) { | |
33376c1c | 871 | pr_debug("%03d: " |
1da177e4 LT |
872 | " %02x %02x %02x %02x" |
873 | " %02x %02x %02x %02x" | |
874 | " %02x %02x %02x %02x" | |
875 | " %02x %02x %02x %02x" | |
876 | "\n", | |
877 | i, | |
878 | buf[i], buf [i+1], | |
879 | buf[i+2], buf[i+3], | |
880 | buf[i+4], buf [i+5], | |
881 | buf[i+6], buf[i+7], | |
882 | buf[i+8], buf [i+9], | |
883 | buf[i+10], buf[i+11], | |
884 | buf[i+12], buf [i+13], | |
885 | buf[i+14], buf[i+15]); | |
886 | } | |
887 | } | |
888 | break; | |
889 | } | |
7e27f18c | 890 | |
1da177e4 LT |
891 | return -ENOTSUPP; |
892 | } | |
893 | ||
15b2d2b5 | 894 | int rndis_register(void (*resp_avail)(void *v), void *v) |
1da177e4 LT |
895 | { |
896 | u8 i; | |
7e27f18c | 897 | |
15b2d2b5 DB |
898 | if (!resp_avail) |
899 | return -EINVAL; | |
900 | ||
1da177e4 | 901 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
a1df4e45 MD |
902 | if (!rndis_per_dev_params[i].used) { |
903 | rndis_per_dev_params[i].used = 1; | |
904 | rndis_per_dev_params[i].resp_avail = resp_avail; | |
905 | rndis_per_dev_params[i].v = v; | |
33376c1c | 906 | pr_debug("%s: configNr = %d\n", __func__, i); |
1da177e4 LT |
907 | return i; |
908 | } | |
909 | } | |
33376c1c | 910 | pr_debug("failed\n"); |
7e27f18c | 911 | |
15b2d2b5 | 912 | return -ENODEV; |
1da177e4 LT |
913 | } |
914 | ||
a1df4e45 | 915 | void rndis_deregister(int configNr) |
1da177e4 | 916 | { |
a1df4e45 | 917 | pr_debug("%s:\n", __func__); |
7e27f18c | 918 | |
1da177e4 | 919 | if (configNr >= RNDIS_MAX_CONFIGS) return; |
a1df4e45 | 920 | rndis_per_dev_params[configNr].used = 0; |
1da177e4 LT |
921 | } |
922 | ||
15b2d2b5 | 923 | int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) |
1da177e4 | 924 | { |
33376c1c | 925 | pr_debug("%s:\n", __func__); |
15b2d2b5 DB |
926 | if (!dev) |
927 | return -EINVAL; | |
1da177e4 | 928 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 929 | |
a1df4e45 MD |
930 | rndis_per_dev_params[configNr].dev = dev; |
931 | rndis_per_dev_params[configNr].filter = cdc_filter; | |
7e27f18c | 932 | |
1da177e4 LT |
933 | return 0; |
934 | } | |
935 | ||
a1df4e45 | 936 | int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr) |
1da177e4 | 937 | { |
33376c1c | 938 | pr_debug("%s:\n", __func__); |
1da177e4 LT |
939 | if (!vendorDescr) return -1; |
940 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; | |
7e27f18c | 941 | |
a1df4e45 MD |
942 | rndis_per_dev_params[configNr].vendorID = vendorID; |
943 | rndis_per_dev_params[configNr].vendorDescr = vendorDescr; | |
7e27f18c | 944 | |
1da177e4 LT |
945 | return 0; |
946 | } | |
947 | ||
a1df4e45 | 948 | int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed) |
1da177e4 | 949 | { |
33376c1c | 950 | pr_debug("%s: %u %u\n", __func__, medium, speed); |
1da177e4 | 951 | if (configNr >= RNDIS_MAX_CONFIGS) return -1; |
7e27f18c | 952 | |
a1df4e45 MD |
953 | rndis_per_dev_params[configNr].medium = medium; |
954 | rndis_per_dev_params[configNr].speed = speed; | |
7e27f18c | 955 | |
1da177e4 LT |
956 | return 0; |
957 | } | |
958 | ||
a1df4e45 | 959 | void rndis_add_hdr(struct sk_buff *skb) |
1da177e4 | 960 | { |
a1df4e45 | 961 | struct rndis_packet_msg_type *header; |
1da177e4 LT |
962 | |
963 | if (!skb) | |
964 | return; | |
a1df4e45 MD |
965 | header = (void *)skb_push(skb, sizeof(*header)); |
966 | memset(header, 0, sizeof *header); | |
35c26c2c | 967 | header->MessageType = cpu_to_le32(REMOTE_NDIS_PACKET_MSG); |
1da177e4 | 968 | header->MessageLength = cpu_to_le32(skb->len); |
a1df4e45 MD |
969 | header->DataOffset = cpu_to_le32(36); |
970 | header->DataLength = cpu_to_le32(skb->len - sizeof(*header)); | |
1da177e4 LT |
971 | } |
972 | ||
a1df4e45 | 973 | void rndis_free_response(int configNr, u8 *buf) |
1da177e4 | 974 | { |
a1df4e45 MD |
975 | rndis_resp_t *r; |
976 | struct list_head *act, *tmp; | |
7e27f18c | 977 | |
a1df4e45 MD |
978 | list_for_each_safe(act, tmp, |
979 | &(rndis_per_dev_params[configNr].resp_queue)) | |
1da177e4 | 980 | { |
a1df4e45 | 981 | r = list_entry(act, rndis_resp_t, list); |
1da177e4 | 982 | if (r && r->buf == buf) { |
a1df4e45 MD |
983 | list_del(&r->list); |
984 | kfree(r); | |
1da177e4 LT |
985 | } |
986 | } | |
987 | } | |
988 | ||
a1df4e45 | 989 | u8 *rndis_get_next_response(int configNr, u32 *length) |
1da177e4 | 990 | { |
a1df4e45 MD |
991 | rndis_resp_t *r; |
992 | struct list_head *act, *tmp; | |
7e27f18c | 993 | |
1da177e4 | 994 | if (!length) return NULL; |
7e27f18c | 995 | |
a1df4e45 MD |
996 | list_for_each_safe(act, tmp, |
997 | &(rndis_per_dev_params[configNr].resp_queue)) | |
1da177e4 | 998 | { |
a1df4e45 | 999 | r = list_entry(act, rndis_resp_t, list); |
1da177e4 LT |
1000 | if (!r->send) { |
1001 | r->send = 1; | |
1002 | *length = r->length; | |
1003 | return r->buf; | |
1004 | } | |
1005 | } | |
7e27f18c | 1006 | |
1da177e4 LT |
1007 | return NULL; |
1008 | } | |
1009 | ||
a1df4e45 | 1010 | static rndis_resp_t *rndis_add_response(int configNr, u32 length) |
1da177e4 | 1011 | { |
a1df4e45 | 1012 | rndis_resp_t *r; |
7e27f18c | 1013 | |
a1df4e45 MD |
1014 | /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ |
1015 | r = kmalloc(sizeof(rndis_resp_t) + length, GFP_ATOMIC); | |
1da177e4 | 1016 | if (!r) return NULL; |
7e27f18c | 1017 | |
a1df4e45 | 1018 | r->buf = (u8 *)(r + 1); |
1da177e4 LT |
1019 | r->length = length; |
1020 | r->send = 0; | |
7e27f18c | 1021 | |
a1df4e45 MD |
1022 | list_add_tail(&r->list, |
1023 | &(rndis_per_dev_params[configNr].resp_queue)); | |
1da177e4 LT |
1024 | return r; |
1025 | } | |
1026 | ||
9b39e9dd BN |
1027 | int rndis_rm_hdr(struct gether *port, |
1028 | struct sk_buff *skb, | |
1029 | struct sk_buff_head *list) | |
1da177e4 | 1030 | { |
6cdee106 | 1031 | /* tmp points to a struct rndis_packet_msg_type */ |
a1df4e45 | 1032 | __le32 *tmp = (void *)skb->data; |
1da177e4 | 1033 | |
6cdee106 | 1034 | /* MessageType, MessageLength */ |
35c26c2c | 1035 | if (cpu_to_le32(REMOTE_NDIS_PACKET_MSG) |
9b39e9dd BN |
1036 | != get_unaligned(tmp++)) { |
1037 | dev_kfree_skb_any(skb); | |
6cdee106 | 1038 | return -EINVAL; |
9b39e9dd | 1039 | } |
6cdee106 DB |
1040 | tmp++; |
1041 | ||
1042 | /* DataOffset, DataLength */ | |
9b39e9dd BN |
1043 | if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) { |
1044 | dev_kfree_skb_any(skb); | |
6cdee106 | 1045 | return -EOVERFLOW; |
9b39e9dd | 1046 | } |
a5abdeaf | 1047 | skb_trim(skb, get_unaligned_le32(tmp++)); |
1da177e4 | 1048 | |
9b39e9dd | 1049 | skb_queue_tail(list, skb); |
1da177e4 LT |
1050 | return 0; |
1051 | } | |
1052 | ||
a1df4e45 | 1053 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
1da177e4 | 1054 | |
e184d5fc | 1055 | static int rndis_proc_show(struct seq_file *m, void *v) |
1da177e4 | 1056 | { |
e184d5fc | 1057 | rndis_params *param = m->private; |
7e27f18c | 1058 | |
e184d5fc | 1059 | seq_printf(m, |
1da177e4 LT |
1060 | "Config Nr. %d\n" |
1061 | "used : %s\n" | |
1062 | "state : %s\n" | |
1063 | "medium : 0x%08X\n" | |
1064 | "speed : %d\n" | |
1065 | "cable : %s\n" | |
1066 | "vendor ID : 0x%08X\n" | |
7e27f18c DB |
1067 | "vendor : %s\n", |
1068 | param->confignr, (param->used) ? "y" : "n", | |
1da177e4 LT |
1069 | ({ char *s = "?"; |
1070 | switch (param->state) { | |
1071 | case RNDIS_UNINITIALIZED: | |
1072 | s = "RNDIS_UNINITIALIZED"; break; | |
1073 | case RNDIS_INITIALIZED: | |
1074 | s = "RNDIS_INITIALIZED"; break; | |
1075 | case RNDIS_DATA_INITIALIZED: | |
1076 | s = "RNDIS_DATA_INITIALIZED"; break; | |
1077 | }; s; }), | |
7e27f18c DB |
1078 | param->medium, |
1079 | (param->media_state) ? 0 : param->speed*100, | |
1da177e4 | 1080 | (param->media_state) ? "disconnected" : "connected", |
7e27f18c | 1081 | param->vendorID, param->vendorDescr); |
e184d5fc | 1082 | return 0; |
1da177e4 LT |
1083 | } |
1084 | ||
e184d5fc | 1085 | static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, |
a1df4e45 | 1086 | size_t count, loff_t *ppos) |
1da177e4 | 1087 | { |
e184d5fc | 1088 | rndis_params *p = PDE(file->f_path.dentry->d_inode)->data; |
1da177e4 LT |
1089 | u32 speed = 0; |
1090 | int i, fl_speed = 0; | |
7e27f18c | 1091 | |
1da177e4 LT |
1092 | for (i = 0; i < count; i++) { |
1093 | char c; | |
1094 | if (get_user(c, buffer)) | |
1095 | return -EFAULT; | |
1096 | switch (c) { | |
1097 | case '0': | |
1098 | case '1': | |
1099 | case '2': | |
1100 | case '3': | |
1101 | case '4': | |
1102 | case '5': | |
1103 | case '6': | |
1104 | case '7': | |
1105 | case '8': | |
1106 | case '9': | |
1107 | fl_speed = 1; | |
a1df4e45 | 1108 | speed = speed * 10 + c - '0'; |
1da177e4 LT |
1109 | break; |
1110 | case 'C': | |
1111 | case 'c': | |
a1df4e45 | 1112 | rndis_signal_connect(p->confignr); |
1da177e4 LT |
1113 | break; |
1114 | case 'D': | |
1115 | case 'd': | |
1116 | rndis_signal_disconnect(p->confignr); | |
1117 | break; | |
7e27f18c | 1118 | default: |
1da177e4 | 1119 | if (fl_speed) p->speed = speed; |
33376c1c | 1120 | else pr_debug("%c is not valid\n", c); |
1da177e4 LT |
1121 | break; |
1122 | } | |
7e27f18c | 1123 | |
1da177e4 LT |
1124 | buffer++; |
1125 | } | |
7e27f18c | 1126 | |
1da177e4 LT |
1127 | return count; |
1128 | } | |
1129 | ||
e184d5fc AD |
1130 | static int rndis_proc_open(struct inode *inode, struct file *file) |
1131 | { | |
1132 | return single_open(file, rndis_proc_show, PDE(inode)->data); | |
1133 | } | |
1134 | ||
1135 | static const struct file_operations rndis_proc_fops = { | |
1136 | .owner = THIS_MODULE, | |
1137 | .open = rndis_proc_open, | |
1138 | .read = seq_read, | |
1139 | .llseek = seq_lseek, | |
1140 | .release = single_release, | |
1141 | .write = rndis_proc_write, | |
1142 | }; | |
1143 | ||
a1df4e45 | 1144 | #define NAME_TEMPLATE "driver/rndis-%03d" |
1da177e4 LT |
1145 | |
1146 | static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS]; | |
1147 | ||
a1df4e45 | 1148 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |
1da177e4 LT |
1149 | |
1150 | ||
793f03aa | 1151 | int rndis_init(void) |
1da177e4 LT |
1152 | { |
1153 | u8 i; | |
1154 | ||
1155 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { | |
1156 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES | |
1157 | char name [20]; | |
1158 | ||
a1df4e45 MD |
1159 | sprintf(name, NAME_TEMPLATE, i); |
1160 | rndis_connect_state[i] = proc_create_data(name, 0660, NULL, | |
e184d5fc | 1161 | &rndis_proc_fops, |
a1df4e45 MD |
1162 | (void *)(rndis_per_dev_params + i)); |
1163 | if (!rndis_connect_state[i]) { | |
1164 | pr_debug("%s: remove entries", __func__); | |
1da177e4 | 1165 | while (i) { |
a1df4e45 MD |
1166 | sprintf(name, NAME_TEMPLATE, --i); |
1167 | remove_proc_entry(name, NULL); | |
1da177e4 | 1168 | } |
33376c1c | 1169 | pr_debug("\n"); |
1da177e4 LT |
1170 | return -EIO; |
1171 | } | |
1da177e4 | 1172 | #endif |
a1df4e45 MD |
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 | |
1da177e4 | 1177 | = NDIS_MEDIA_STATE_DISCONNECTED; |
a1df4e45 | 1178 | INIT_LIST_HEAD(&(rndis_per_dev_params[i].resp_queue)); |
1da177e4 | 1179 | } |
7e27f18c | 1180 | |
1da177e4 LT |
1181 | return 0; |
1182 | } | |
1183 | ||
a1df4e45 | 1184 | void rndis_exit(void) |
1da177e4 | 1185 | { |
a1df4e45 | 1186 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
1da177e4 | 1187 | u8 i; |
a1df4e45 | 1188 | char name[20]; |
7e27f18c | 1189 | |
1da177e4 | 1190 | for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
a1df4e45 MD |
1191 | sprintf(name, NAME_TEMPLATE, i); |
1192 | remove_proc_entry(name, NULL); | |
1da177e4 LT |
1193 | } |
1194 | #endif | |
1195 | } |